Page 1 Relion 670 SERIES Phasor measurement unit RES670 Version 2.2 ANSI Application manual...
Page 4 Copyright This document and parts thereof must not be reproduced or copied without written permission from Hitachi Energy, and the contents thereof must not be imparted to a third party, nor used for any unauthorized purpose. The software and hardware described in this document is furnished under a license and may be used or disclosed only in accordance with the terms of such license.
Page 5 In case any errors are detected, the reader is kindly requested to notify the manufacturer. Other than under explicit contractual commitments, in no event shall Hitachi Energy be responsible or liable for any loss or damage resulting from the use of this manual or the application of the equipment.
Page 6 2004/108/EC) and concerning electrical equipment for use within specified voltage limits (Low-voltage directive 2006/95/EC). This conformity is the result of tests conducted by Hitachi Energy in accordance with the product standard EN 60255-26 for the EMC directive, and with the product standards EN 60255-1 and EN 60255-27 for the low voltage directive.
Page 7: Table Of Contents
Example on how to connect a wye connected three-phase CT set to the IED ....48 4.2.2.6 Example how to connect delta connected three-phase CT set to the IED......52 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 8 Function revision history......................93 7.1.2 Identification..........................93 7.1.3 Application..........................93 7.1.3.1 Power swing blocking......................93 7.1.3.2 Fault detection during power swing and unblocking distance protection zone....94 7.1.4 Setting guidelines........................97 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 9 Application..........................140 8.5.4 Setting guideline........................141 Directional underpower protection GUPPDUP (37)..............142 8.6.1 Identification.......................... 142 8.6.2 Application..........................142 8.6.3 Setting guidelines........................143 Directional overpower protection GOPPDOP (32)..............147 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 10 Setting guidelines........................164 10.4 Frequency time accumulation protection function FTAQFVR (81A) ........164 10.4.1 Identification.......................... 164 10.4.2 Application..........................165 10.4.3 Setting guidelines........................166 Section 11 Multipurpose protection.................169 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 11 Delta V and delta I ......................191 13.2.3.6 Dead line detection......................191 13.3 Voltage based delta supervision DELVSPVC(78V)..............191 13.3.1 Identification.......................... 191 13.3.2 Application..........................192 13.3.3 Setting guidelines........................193 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 12 15.1.2 Identification.......................... 205 15.1.3 Application..........................205 15.1.3.1 Three-pole tripping ......................206 15.1.3.2 Single- and/or three-pole tripping ..................207 15.1.3.3 Single-, two- or three-pole tripping .................. 208 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 13 Elapsed time integrator with limit transgression and overflow supervision TEIGAPC.....224 15.12.1 Identification.......................... 224 15.12.2 Application ..........................224 15.12.3 Setting guidelines........................224 15.13 Comparator for integer inputs - INTCOMP................225 15.13.1 Identification.......................... 225 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 14 Setting guidelines........................247 16.6 Disturbance report DRPRDRE....................248 16.6.1 Function revision history......................248 16.6.2 Identification.......................... 248 16.6.3 Application..........................249 16.6.4 Setting guidelines........................249 16.6.4.1 Recording times....................... 251 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 15 Function for energy calculation and demand handling ETPMMTR......... 264 17.2.1 Identification.......................... 264 17.2.2 Application..........................264 17.2.3 Setting guidelines........................265 Section 18 Ethernet-based communication..............267 18.1 Access point..........................267 18.1.1 Application..........................267 18.1.2 Setting guidelines........................267 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 16 19.6.1 Application..........................291 19.6.1.1 Functionality........................291 19.6.1.2 Design..........................291 19.6.2 Settings..........................294 19.6.2.1 Settings for RS485 and optical serial communication............294 19.6.2.2 Settings from PCM600..................... 295 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 17 Setting guidelines........................314 22.6 Summation block 3 phase 3PHSUM..................314 22.6.1 Application..........................314 22.6.2 Setting guidelines........................314 22.7 Global base values GBASVAL....................314 22.7.1 Identification.......................... 314 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 18 60044-6, class TPS and old British Standard, class X)............334 23.1.7.3 Current transformers according to ANSI/IEEE..............335 23.2 Voltage transformer requirements................... 335 23.3 SNTP server requirements......................336 23.4 PTP requirements........................336 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 19 Sample specification of communication requirements for the protection and control terminals in digital telecommunication networks..............336 23.6 IEC/UCA 61850-9-2LE Merging unit requirements ..............337 Section 24 Glossary......................339 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 21: Introduction
Application manual Technical manual Communication protocol manual Cyber security deployment guideline IEC07000220-4-en.vsd IEC07000220 V4 EN-US Figure 1: The intended use of manuals throughout the product lifecycle Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 22: Document Revision History
Ethernet ports with RJ45 connector added. 2018-03 2.2.1 Document enhancements and corrections 2018–06 2.2.2 LDCM galvanic X.21 added. Ordering section updated. Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 23: Related Documents
Installation manual ANSI: 1MRK514026-UUS Communication protocol manual, DNP3 1MRK511391-UUS Communication protocol manual, IEC 61850 Edition 2 and 1MRK511393-UEN Edition 2.1 Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 24: Document Symbols And Conventions
Abbreviations and acronyms in this manual are spelled out in the glossary. The glossary also contains definitions of important terms. • Push button navigation in the LHMI menu structure is presented by using the push button icons. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 25: Iec 61850 Edition 1, Edition 2, And Edition 2.1 Mapping
GF2PTUC GF2PTUC GF2PTUV GF2PTUV GF2PVOC GF2PVOC PH1PTRC PH1PTRC CVMMXN CVMMXN CVMMXN DELISPVC DELISPVC DELISPVC DELSPVC DELSPVC DELSPVC DELVSPVC DELVSPVC DELVSPVC Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 26 SAPFRC SAPFRC SAPTOF SAPTOF SAPTOF SAPTUF SAPTUF SAPTUF SCHLCCH SCHLCCH SCHLCCH SDEPSDE SDEPSDE SDEPSDE SDEPTOC SDEPTOV SDEPTRC SLGAPC SLGGIO SLGAPC Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 27 UV2PTUV UV2PTUV VHMMHAI VHMMHAI VHMMHAI VHMQVHA VHMQVHA VMMXU VMMXU VMMXU VMSQI VMSQI VMSQI VNMMXU VNMMXU VNMMXU VSGAPC VSGGIO VSGAPC WRNCALH WRNCALH WRNCALH ZMBURPSB ZMBURPSB ZMBURPSB Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 29: Application
PMU Phasor Measurement Unit, including all accessories for time synchronization • TCP/IP and/or UDP/IP communication network infra-structure • PDC Phasor Data Concentrator, including wide area applications Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 30 IED will remain unchanged (e.g., names on the local HMI and names in the tools). This offers significant flexibility to adapt the IED to the customers' system and standard solution. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 31: Wide Area Measurement Functions
ZMBURPSB Power swing detection, blocking and unblocking OOSPPAM Out-of-step protection Current protection OC4PTOC Directional phase overcurrent protection, four steps 51_67 Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 32: Control And Monitoring Functions
SPC8GAPC Single point generic control function, 8 signals AUTOBITS Automation bits, command function for DNP3.0 SINGLECMD Single command, 16 inputs Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 33 LLD, OR, PULSETIMER, RSMEMORY, SLGAPC, SRMEMORY, TIMERSET, VSGAPC, XOR FXDSIGN Fixed signal function block B16I Boolean to integer conversion, 16 bit Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 34 Measured value expander block SSIMG Insulation supervision for gas medium SSIML Insulation supervision for liquid medium SSCBR Circuit breaker condition monitoring 0-18 Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 35 Total number of instances for configurable logic blocks Q/T Configurable logic blocks Q/T Total number of instances ANDQT INDCOMBSPQT INDEXTSPQT INVALIDQT INVERTERQT ORQT PULSETIMERQT Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 36: Communication
DNP3.0 serial master MST1TCP, MST2TCP, DNP3.0 for TCP/IP communication protocol MST3TCP, MST4TCP DNPFREC DNP3.0 fault records for TCP/IP and EIA-485 communication protocol Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 37 RCHLCCH Access point diagnostic for redundant Ethernet ports DHCP DHCP configuration for front access point QUALEXP IEC 61850 quality expander Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 38 LDCMRecBinStat2 Receive binary status from LDCM LDCM2M_305 Receive binary status from LDCM, 2Mbit LDCM2M_312 LDCM2M_322 LDCM2M_306 Receive binary status from remote LDCM, 2Mbit LDCM2M_313 LDCM2M_323 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 39: Basic Ied Functions
Primary system values SAFEFILECOPY Safe file copy function ALTMS Time master supervision ALTIM Time management CAMCONFIG Central account management configuration Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 40 General LED indication part for LHMI OPENCLOSE_LED LHMI LEDs for open and close keys GRP1_LED1– Basic part for CP HW LED indication module GRP1_LED15 GRP2_LED1– GRP2_LED15 GRP3_LED1– GRP3_LED15 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 41: Configuration
In addition, each data stream includes 8 analog and 8 binary reporting channels over IEEE C37.118/1344 in the standard configuration. The number of analog and binary reporting channels can be extended to Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 42 RES670 A20 function library also includes additional functions, which are available but not configured. Note that RES670 A20 must be reconfigured if any additional functions are used. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 43: Description Of Configuration B20
1 to 6. There are two instances of PMU reporting functionality available in B20 configuration, meaning two independent IEEE C37.118/1344 data streams. Each instance of PMU is reporting Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 44 RES670 B20 function library also includes additional functions which are available but not configured. Note that RES670 B20 must be reconfigured if any additional functions are used. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 45 OC4 PTOC Ucos IN> VTHD UTHD Zpsb OOS PPAM SDE PSDE VHM MHAI ZMBU RPSB IEC140000123‐4‐en.vsdx IEC140000123 V4 EN-US Figure 4: Block diagram for configuration B20 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 47: Analog Inputs
For a TRM with 6 current and 6 voltage inputs the first VT channel is 7. The setting PhaseAngleRef=7 shall be used if the phase reference voltage is connected to that channel. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 48: Setting Of Current Channels
Forward always is looking towards the protected object. The following examples show the principle. 4.2.2.1 Example 1 SEMOD55055-23 v6 Two IEDs used for protection of two objects. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 49: Example 2
IEDs. With these settings, the directional functions of the line protection shall be set to Forward to look towards the line. 4.2.2.3 Example 3 SEMOD55055-35 v8 One IED used to protect two objects. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 50 The CT direction for the current channels to the line protection is set with the line as reference object and the directional functions of the line protection shall be set to Forward to protect the line. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 51 Correct setting is Correct setting is "ToObject" "ToObject" en05000462_ansi.vsd ANSI05000462 V1 EN-US Figure 9: Example how to set CT_WyePoint parameters in the IED Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 52 The main CT ratios must also be set. This is done by setting the two parameters CTsec and CTprim for each current channel. For a 1000/5 A CT, the following settings shall be used: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 53: Examples On How To Connect, Configure And Set Ct Inputs For Most Commonly Used Ct Connections
However, in some cases, the following rated secondary currents are used as well: • • The IED fully supports all of these rated secondary values. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 54: Example On How To Connect A Wye Connected Three-Phase Ct Set To The Ied
REVROT ^GRP2_A ^GRP2_B ^GRP2_C ^GRP2_N Protected Object ANSI13000002-4-en.vsdx ANSI13000002 V4 EN-US Figure 12: Wye connected three-phase CT set with wye point towards the protected object Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 55 GRP_A, GRP_B and GRP_C. If GRP2N is connected, the data reflects the measured value of GRP2N. Another alternative is to have the wye point of the three-phase CT set as shown in figure 13: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 56 IED. A third alternative is to have the residual/neutral current from the three-phase CT set connected to the IED as shown in Figure 13. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 57 Depending on the type of functions, which need this current information, more than one preprocessing block might be connected in parallel to these three CT inputs. Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 58: Example How To Connect Delta Connected Three-Phase Ct Set To The Ied
I_A-I_B SMAI2 I_B-I_C BLOCK AI3P REVROT ^GRP2_A I_C-I_A ^GRP2_B ^GRP2_C ^GRP2_N Protected Object ANSI11000027-3-en.vsdx ANSI11000027 V3 EN-US Figure 15: Delta DAB connected three-phase CT set Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 59 DFTReference shall be set accordingly. Another alternative is to have the delta connected CT set as shown in Figure 16: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 60: Example How To Connect Single-Phase Ct To The Ied
IED as well. For correct terminal designations, see the connection diagrams valid for the delivered IED. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 61: Relationships Between Setting Parameter Base Current, Ct Rated Primary Current And Minimum Pickup Of A Protection Ied
IBase parameter equal to the rated current of the protected object. However this is only recommended to do if the rated current of the protected object is within the Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 62: Setting Of Voltage Channels
(X1) (X1) (X1) (H1) (H1) (H1) (H2) (X2) (H2) (H2) (X2) (X2) ANSI11000175_1_en.vsd ANSI11000175 V1 EN-US Figure 18: Commonly used markings of VT terminals Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 63: Examples On How To Connect A Three Phase-To-Ground Connected Vt To The Ied
IED. For correct terminal designations, see the connection diagrams valid for the delivered IED. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 64 Figure 19: A Three phase-to-ground connected VT SMAI2 BLOCK AI2P ^GRP2L1 ^GRP2L2 ^GRP2L1L2 ^GRP2N IEC16000140-1-en.vsdx IEC16000140 V1 EN-US Figure 20: A two phase-to-earth connected VT Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 65: Example On How To Connect A Phase-To-Phase Connected Vt To The Ied
IED. It shall be noted that this VT connection is only used on lower voltage levels (that is, rated primary voltage below 40 kV). Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 66 VTprim=13.8 kV VTsec=120 V Please note that inside the IED only ratio of these two parameters is used. Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 67: Example On How To Connect An Open Delta Vt To The Ied For High Impedance Grounded Or Ungrounded Networks
IED as well. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 68 AI 11 (V) +3Vo ^GRP2N TYPE AI 12 (V) ANSI06000601-2-en.vsd ANSI06000601 V2 EN-US Figure 22: Open delta connected VT in high impedance grounded power system Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 69: Example How To Connect The Open Delta Vt To The Ied For Low Impedance Grounded Or Solidly Grounded Power Systems
3V to the IED. In case of a solid ground fault close to the VT location the primary value of 3Vo will be equal to: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 70 +3Vo AI11 (V) ^GRP2N TYPE AI12 (V) ANSI06000602-2-en.vsd ANSI06000602 V2 EN-US Figure 23: Open delta connected VT in low impedance or solidly grounded power system Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 71: Example On How To Connect A Neutral Point Vt To The Ied
VT to the IED. This type of VT connection presents secondary voltage proportional to V to the IED. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 72 # Not Used AI10 (V) # Not Used ^GRP2_C ^GRP2N AI11 (V) TYPE AI12 (V) ANSI06000603-2-en.vsd ANSI06000603 V2 EN-US Figure 24: Neutral point connected VT Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 73 If frequency tracking and compensation is required (this feature is typically required only for IEDs installed in the generating stations) then the setting parameters DFTReference shall be set accordingly. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 75: Local Hmi
The LHMI of the IED contains the following elements • Keypad • Display (LCD) • LED indicators • Communication port for PCM600 The LHMI is used for setting, monitoring and controlling. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 76: Display
Each function button has a LED indication that can be used as a feedback signal for the function button control action. The LED is connected to the required signal with PCM600. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 77: Leds
There are 15 programmable indication LEDs on the front of the LHMI. Each LED can indicate three states with the colors: green, yellow and red. The texts related to each three-color LED are divided into three panels. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 78: Keypad
The keypad also contains programmable push-buttons that can be configured either as menu shortcut or control buttons. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 79 1...5 Function button Close Open Escape Left Down Right Enter Remote/Local Uplink LED Not in use Multipage Menu Clear Help Communication port Programmable indication LEDs Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 80: Local Hmi Functionality
The trip indication is latching and must be reset via communication, LHMI or binary input on the LEDGEN component. To open the reset menu on the LHMI, press Flashing/blinking Configuration mode. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 81: Parameter Management
The green uplink LED on the left is lit when the cable is successfully connected to the port. • The yellow LED is not used; it is always off. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 82 Do not connect the IED front port to a LAN. Connect only a single local PC with PCM600 to the front port. It is only intended for temporary use, such as commissioning and testing. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 83: Wide Area Measurement System
STAT field of the Data frame in IEC/IEEE 60255-118 (C37.118) standard. These are predefined inputs for Frequency Trigger, Rate of Change of Frequency trigger, Magnitude High and Magnitude Low triggers. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 84 PDC clients as defined in IEEE IEC/IEEE 60255-118 (C37.118) data frame format. IEC140000120-2-en.vsd IEC140000120 V2 EN-US Figure 34: Multiple instances of ANALOGREPORT blocks Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 85: Operation Principle
PMU functionality and operation. In this figure, only one instance of PMUREPORT (PMUREPORT1) is shown. Note that connection of different signals to the PMUREPORT, Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 86: Frequency Reporting
With such settings the IED will be able to properly estimate the magnitude and the phase angle of measured current and voltage phasors in this wide frequency range. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 87: Reporting Filters
C37.118 data is slower than the data rate for internal processing. For this purpose, there is an anti-aliasing filter designed for each reporting rate. The correct Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 88: Scaling Factors For Analogreport Channels
10, so that a minimum of 0.1 scale factor can be sent over the CFG-2 frame. The resulting scale factor is rounded to the nearest decimal value. The clients Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 89 The scale factor will be sent as 3051804 on configuration frame 2, and 305180.43 on configuration frame 3. The range of analog values that can be transmitted in this case is -305181 to -10000000000 and +305181 to +10000000000. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 90: Pmu Report Function Blocks Connection Rules In Pcm600 Application Configuration Tool (Act)
PHASORREPORT blocks have similar instance number or only if all the connected PHASORREPORT blocks have similar settings for SvcClass and ReportRate. Figure shows the settings for PMUREPORT function block demonstrated by PCM600 Parameter Setting Tool (PST). Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 91 In this example, SMAI1 will adapt its filtering according to PHASORREPORT instance 1 (because of higher priority) and therefore PHASORREPORT instance 2 will receive data which does not match its performance class and report rate. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 92 SMAI3 is configured as the reference block for DFT reference external out (DFTRefExtOut) and 3PHSUM uses external DFT reference (from SMAI3). Figures show the corresponding setting parameters. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 93 An example of correct connection of 3PHSUM and PHASORREPORT blocks in ACT IEC140000130-1-en.vsd IEC140000130 V1 EN-US Figure 43: SMAI1 setting parameters example-showing that SMAI3 is selected as the DFT reference (DFTRefGrp3) Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 94 DFT reference from SMAI3, therefore If settings for PHASORREPORT1 instances 1 and 2 above differ for SvcClass or ReportRate, then 3PHSUM block will be affected by two different Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 95: Setting Guidelines
60255-118-2011 message format. It is a 16-character (128 bits) user- assigned value which can be sent with the configuration 3 message. It allows uniquely Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 96 The data sent via the FREQ field is frequency deviation from nominal frequency (50 Hz or 60 Hz), in mHz. It is ranged from –32.767 to +32.767 Hz. Integer data type for frequency- Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 97 PhasorX: The group selector for PhasorX. Here, the user can select the type of reported synchrophasor from the phasor channel X as either a 3-phase symmetrical component or a single-phase phasor. The options are as follows: • • • Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 98 AnalogXUnitType: Unit type for analog signal X. It refers to the 4-byte ANUNIT field of the configuration frames 1, 2 organization defined in 60255-118-2011 message format. The options are Single point-on-wave, RMS of analog input and Peak of analog input. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 99: Impedance Protection
The extent of the oscillations depends on the extent of the disturbances and on the natural stability of the system. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 100: Fault Detection During Power Swing And Unblocking Distance Protection Zone
PSB detection in case of faults during power swing so that the distance protection zone, if blocked because of power swing, may trip and clear faults. However, power system continuity and reliability is impacted: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 101 Operation to On in both the function blocks • set OpModePSU to Off in ZMBURPSB function block, that is, power swing unblocking feature is disabled. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 102 PSB and PDIS settings based on the power network and its operating conditions and set Operation to On in both the function blocks • set OpModePSU to On in ZMBURPSB function block, that is, activating power swing unblocking feature Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 103: Setting Guidelines
It is necessary to consider separate contributions of different connected circuits. The required data is as follows: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 104 Maximum possible consecutive frequency of power oscillation EQUATION1335 V1 EN-US The minimum load impedance at minimum expected system voltage is equal to equation 16. 144.4 1000 (Equation 16) EQUATION1736-ANSI V1 EN-US Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 105 (Equation 20) EQUATION1342 V1 EN-US The center of oscillation resides on the impedance point according to equation 21. 7.43 33.9 (Equation 21) EQUATION1341 V1 EN-US Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 106 400kV when the rated voltage of the line under consideration is higher than 400kV. The outer boundary RLdOutFw obtains in this particular case its value according to equation 22. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 107 30. (Equation 27) EQUATION1348 V1 EN-US ° × × ° × × ° = ° 360 2.5 0.030 64.5 91.5 (Equation 28) EQUATION1349 V1 EN-US Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 108 LdAngle ³ arctan LdAngle ê ú ë û KLdRFw (Equation 32) EQUATION1737-ANSI V1 EN-US Consider equation 33, ° LdAngle (Equation 33) EQUATION1739-ANSI V1 EN-US Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 109: Out-Of-Step Protection Oosppam (78)
In the case of a three-phase fault electrically close to the generator, no active power can be delivered. Almost all mechanical power from Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 110 The out-of-step condition of a generator can be caused by different reasons. Sudden events in an electrical power system such as large changes in load, fault occurrence or slow fault clearance, can Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 111 The out-of-step protection should protect a generator or motor (or two weakly connected power systems) against pole-slipping with severe consequences for the machines and stability of the power system. In particular it should: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 112: Setting Guidelines
This is not always easy, in particular with islanding. But for the two machine model as in Table 13, the most probable scenario is that only Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 113 R, X, P, Q, and so on continue without interruptions. Recommended setting of tReset is in the range of 6 to 12 seconds. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 114 (LV-side) then inversion is not necessary (InvertCTCurr = Disabled), provided that the CT’s orientation complies with Hitachi Energy recommendations, as shown in Table 13.If the currents fed to the Out-of-step protection are measured on the protected generator output terminals side (HV-side), then invertion is necessary (InvertCTCurr = Enabled), provided that the CT’s actual...
Page 115: Current Protection
TOC-REVA V2 EN-US 8.1.3 Application M15335-3 v9 Directional phase overcurrent protection, four steps OC4PTOC (51_67) is used in several applications in the power system. Some applications are: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 116 If set 1 of 3 it is sufficient to have high current in one phase only. If set 2 of 3 or 3 of 3 single-phase ground faults are not detected. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 117: Setting Guidelines
2ndHarmStab: Operate level of 2nd harmonic current restrain set in % of the fundamental current. The setting range is 5 - 100% in steps of 1%. The default setting is 20%. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 118: Settings For Each Step
Reverse. Characteristx: Selection of time characteristic for step x. Definite time delay and different types of inverse time characteristics are available according to Table 14. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 119 MultPUx: Multiplier for scaling of the current setting value. If a binary input signal ENMULTx (enableMultiplier) is activated the current operation level is increased by this setting constant. Setting range: 1.0-10.0 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 120 If the current-dependent type is used, settings pr, tr and cr must be given. tResetx: Constant reset time delay in seconds for step x. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 121: Setting Example
Pickup current Reset current The IED does not reset Time t ANSI09000146-en-1.vsd ANSI09000146 V1 EN-US Figure 55: Pickup and reset current for an overcurrent protection Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 122 DC component of the short circuit current. The lowest current setting of the fastest stage can be written according to Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 123 To assure selectivity between different protection functions in the radial network, there has to be a minimum time difference Dt between the time delays of two protections. To determine the shortest Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 124 Therefore a safety margin has to be included. With normal values the needed time difference can be calculated according to Equation 40. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 125: Directional Residual Overcurrent Protection, Four Steps Ef4Ptoc (51N/67N)
M14881-1 v7 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Directional residual overcurrent EF4PTOC 51N_67N 4(IN>) protection, four steps TEF-REVA V2 EN-US Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 126: Setting Guidelines
Relay characteristic angle given in degree In a normal transmission network a normal value of RCA is about 65°. The setting range is -180° to +180°. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 128: Switch Onto Fault Logic
The under time function has a set time delay. Below the settings for switch on to fault logics are described. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 129: Settings For Each Step (X = 1, 2, 3 And 4)
Note that the value set is the time between activation of the start and the trip outputs. Pickup"x": Operate residual current level for step x given in % of IB. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 130 Parameters for user programmable of inverse time characteristic curve. The time characteristic equation is according to equation 41: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 131: Phase Selection Element
EF4PTOC that are intended for phase selective tripping. Four step directional negative phase sequence overcurrent protection NS4PTOC (46I2) GUID-E8CF8AA2-AF54-4FD1-A379-3E55DCA2FA3A v1 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 132: Identification
To enable optimal co-ordination all overcurrent relays, to be co-ordinated against each other, should have the same time characteristic. Therefore a wide range of standardized inverse time characteristics are available: IEC and ANSI. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 133: Setting Guidelines
GlobalBaseSel: Selects the global base value group used by the function to define IBase, VBase and SBase. Note that this function will only use IBase . Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 134: Settings For Each Step
Note that the value set is the time between activation of the start and the trip outputs. TDx: Time multiplier for the dependent (inverse) characteristic. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 135 (1), IEC (2 = set constant time reset) and ANSI (3 = current dependent reset time). If the current dependent type is used settings pr, tr and cr must be given. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 136: Common Settings For All Steps
(Vpol = -) Reverse Area Vpol=-V2 AngleRCA Forward Area Iop = I2 ANSI10000031-1-en.vsd ANSI10000031 V1 EN-US Figure 63: Relay characteristic angle given in degree Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 137: Sensitive Directional Residual Overcurrent And Power Protection Sdepsde (67N)
As the magnitude of the residual current is independent of the fault location, the selectivity of the ground fault protection is achieved by time selectivity. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 138: Setting Guidelines
(zero sequence voltage) and the ground-fault current will be calculated at the desired sensitivity (fault resistance). The complex neutral point voltage (zero sequence) can be calculated as: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 139 In many systems there is also a neutral point reactor (Petersen coil) connected to one or more transformer neutral points. In such a system the impedance Z can be calculated as: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 140 Phase to ground fault en06000654_ansi.vsd ANSI06000654 V1 EN-US Figure 65: Equivalent of power system for calculation of setting The residual fault current can be written: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 141 The protection will use the power components in the characteristic angle direction for measurement, and as base for the inverse time delay. The inverse time delay is defined as: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 142 ANSI06000648 V1 EN-US Figure 66: Characteristic for RCADir equal to 0° The characteristic is for RCADir equal to -90° is shown in Figure 67. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 143 The characteristic for this OpModeSel when RCADir = 0° and ROADir = 80° is shown in figure 68. RCA = 0º ROA = 80º Operate area =-3V ANSI06000652-2-en.vsd ANSI06000652 V2 EN-US Figure 68: Characteristic for RCADir = 0° and ROADir = 80° Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 144 % of IBase. The setting should be based on calculation of the ground fault current at required sensitivity of the protection. OpINNonDir is set Enabled to activate the non-directional residual current protection. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 145 OpVN is set Enabled to activate the trip function of the residual over voltage protection. tVN is the definite time delay for the trip function of the residual voltage protection, given in s. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 146: Thermal Overload Protection, One Time Constant Fahrenheit/Celsius Lfpttr/Lcpttr (26)
In cables the insulation can be damaged as a consequence of the overtemperature. As a consequence of this phase to phase or phase to ground faults can occur. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 147: Setting Guideline
The signal is released when the estimated temperature is below the set value. This temperature value should be chosen below the alarm temperature. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 148: Directional Underpower Protection Guppdup (37)
The conditions vary from turbine to turbine and it is necessary to ask the turbine manufacturer in each case. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 149: Setting Guidelines
GlobalBaseSel: Selects the global base value group used by the function to define IBase, VBase and SBase. Note that this function will only use IBase . Operation: With the parameter Operation the function can be set Enabled/Disabled. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 150 The function gives trip if the power component in the direction defined by the setting Angle1(2) is smaller than the set pick up power value Power1(2) Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 151 The setting is given in degrees. For active power the set angle should be 0° or 180°. 0° should be used for generator low forward active power protection. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 152 The value of k=0.92 is recommended in generator applications as the trip delay is normally quite long. The calibration factors for current and voltage measurement errors are set % of rated current/voltage: IMagComp5, IMagComp30, IMagComp100 VMagComp5, VMagComp30, VMagComp100 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 153: Directional Overpower Protection Goppdop (32)
When a steam turbine rotates without steam supply, the electric power consumption will be about 2% of rated power. Even if the turbine rotates Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 154 Operating point Operating point without without turbine torque turbine torque IEC06000315-2-en.vsd IEC06000315 V2 EN-US Figure 72: Reverse power protection with underpower IED and overpower IED Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 155: Setting Guidelines
The function gives trip if the power component in the direction defined by the setting Angle1(2) is larger than the set pick up power value Power1(2) Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 156 The setting is given in degrees. For active power the set angle should be 0° or 180°. 180° should be used for generator reverse power protection. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 157 The value of TD=0.92 is recommended in generator applications as the trip delay is normally quite long. The calibration factors for current and voltage measurement errors are set % of rated current/voltage: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 158 The angle compensation is given as difference between current and voltage angle errors. The values are given for operating points 5, 30 and 100% of rated current/voltage. The values should be available from instrument transformer test protocols. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 159: Voltage Protection
There is a very wide application area where general undervoltage functions are used. All voltage-related settings are made as a percentage of the global base value VBase, which normally is set to the primary Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 160: Equipment Protection, Such As For Motors And Generators
Technical manual. The setting parameters described below are identical for the two steps (n = 1 or 2). Therefore, the setting parameters are described only once. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 161: Two Step Overvoltage Protection Ov2Ptov (59)
It is important that this delay is shorter than the trip time delay of the undervoltage protection step. Two step overvoltage protection OV2PTOV (59) IP14545-1 v3 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 162: Identification
(phase-to-phase) of the power system or the high voltage equipment under consideration. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 163: Equipment Protection, Such As For Motors, Generators, Reactors And Transformers
This means operation for phase-to-ground voltage over: > × VBase kV ) / 3 (Equation 84) EQUATION1713 V2 EN-US Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 164 Pickup> · (1.0 + CrvSatn/100). If the programmable curve is used, this parameter must be calculated so that: CrvSatn × > (Equation 86) EQUATION1448 V1 EN-US Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 165 If the function is used as control for automatic switching of reactive compensation devices the hysteresis must be set smaller than the voltage change after switching of the compensation device. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 167: Frequency Protection
The UBase value should be set as a primary phase-to- phase value. Some applications and related setting guidelines for the frequency level are given below: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 168: Overfrequency Protection Saptof (81)
The same also applies to the associated equipment, its frequency and time characteristic. There are two application areas for SAPTOF (81): Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 170: Setting Guidelines
Frequency time accumulation protection function FTAQFVR (81A) GUID-124A1F91-44C0-4DB6-8603-CC8CA19AE2A6 v3 10.4.1 Identification GUID-87605DA0-EAA6-4A6C-BF03-7FDB187E1B29 v2 Function description IEC 61850 IEC 60617 ANSI/ identification identification IEEEidentificatio Frequency time accumulation protection FTAQFVR f<> Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 171: Application
Certain differences in design and applications may result in different protective requirements. Therefore, for different type of turbine systems, different recommendations on the time restriction limits are specified by the manufacturer. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 172: Setting Guidelines
The parameters for the frequency time accumulation protection FTAQFVR (81A) are set using the local HMI or through the dedicated software tool in Protection and Control Manager (PCM600). Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 173 FreqHighLimit and FreqLowLimit setting is derived from the generator manufacturer's operating requirements. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 175: Multipurpose Protection
Depending on the type of voltage deviation and type of power system abnormal condition different over/under voltage Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 176: Current And Voltage Selection For Cvgapc Function
The user can select a current input, by a setting parameter CurrentInput, to measure one of the current quantities shown in table 21. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 177 This voltage phasor will be intentionally rotated for 180° in order to enable easier settings for the directional feature when used. Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 178: Base Quantities For Cvgapc Function
Voltage Quantity is selected from 10 to 15, as shown in table 22. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 179: Application Possibilities
Since a generator behaves similarly to an induction motor, high currents will develop in the rotor during the period it is accelerating. Although the rotor may be thermally damaged from excessive high currents, Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 180: Setting Guidelines
It shall be noted that directional negative sequence OC element offers Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 181 OC1 stage can be used to detect faults in forward direction. The built-in OC2 stage can be used to detect faults in reverse direction. However the following shall be noted for such application: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 182: Negative Sequence Overcurrent Protection
IED: × æ ö ç ÷ × è ø (Equation 89) EQUATION1741-ANSI V1 EN-US Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 183 Furthermore the other built-in protection elements can be used for other protection and alarming purposes (for example, use OC2 for negative sequence overcurrent alarm and OV1 for negative sequence overvoltage alarm). Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 184: Generator Stator Overload Protection In Accordance With Ansi Or Ieee Standards
(the correct Global Base values group shall be selected by the parameter GlobalBaseSel) Enable one overcurrent step (for example OC1) Select parameter CurveType_OC1 to value Programmable Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 185: Open Phase Protection For Transformer, Lines Or Generators And Circuit Breaker Head Flashover Protection For Generators
CVGAPC function by enabling the current restraint feature. The following shall be done in order to insure proper operation of the function: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 186: Voltage Restrained Overcurrent Protection For Generator And Unit Step-Up Transformer
10. Set VCntrlMode_OC1 to On 11. Set VDepMode_OC1 to Slope 12. Set VDepFact_OC1 to value 0.25 13. Set VHighLimit_OC1 to value 100% 14. Set VLowLimit_OC1 to value 25% Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 187: Loss Of Excitation Protection For A Generator
ROA angles will be applicable for OC2 step if directional feature is enabled for this step as well. Figure shows overall protection characteristic Furthermore the other build-in protection elements can be used for other protection and alarming purposes. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 188: Undercurrent Protection For Capacitor Bank
Set EnBlkLowl_UC1 = On Set BlkLowCurr_UC1 = 10.0 %IB Set StartCurr_UC1 = 70.0 %IB Set tDef_UC1 = 5.00 s Set tResetDef_UC1 = 0.0 s Set HarmRestr_UC1 = Off Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 189: System Protection And Control
It is recommended that the trip time delay of under voltage or under current functions is set longer than the SMAIHPAC FilterLength to allow time for the SAMIHPAC outputs to stabilize at startup. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 190: Setting Guidelines
The subsynchronous current frequency is calculated as follows: 18.5 31.5 (Equation 96) EQUATION13000030 V1 EN-US Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 191 EQUATION13000032 V1 EN-US Thus if the following rules are followed when multi-purpose overcurrent stage one is set: • in > = 300A • 35566 118.55 • 0.64 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 192 Operation_OC1 StartCurr_OC1 30.0 CurrMult_OC1 CurveType_OC1 Programmable tDef_OC1 0.00 k_OC1 1.00 tMin1 tMin_OC1 1.40 ResCrvType_OC1 Instantaneous tResetDef_OC1 0.00 P_OC1 1.000 A_OC1 118.55 B_OC1 0.640 C_OC1 0.000 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 193: Secondary System Supervision
Pickup_Block: It is normally set at 150% to block the function during transient conditions. The FAIL output is connected to the blocking input of the protection function to be blocked at faulty CT secondary circuits. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 194: Fuse Failure Supervision Fufspvc
A criterion based on delta current and delta voltage measurements can be added to the fuse failure supervision function in order to detect a three phase fuse failure. This is beneficial for example during three phase transformer switching. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 195: Setting Guidelines
The relay setting value 3V2PU is given in percentage of the base voltage VBase and should not be set lower than the value that is calculated according to equation 99. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 196: Zero Sequence Based
3I0PU is the maximal zero sequence current during normal operating conditions, plus a margin of 10...20% IBase is the base current for the function according to the setting GlobalBaseSel Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 197: Delta V And Delta I
GUID-579ED249-B8C9-4755-9E80-28E2BA8E5377 v2 13.3.1 Identification GUID-C7108931-DECA-4397-BCAF-8BFF3B57B4EF v2 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Voltage based delta supervision DELVSPVC – 7V_78V Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 199: Setting Guidelines
OpMode: To select the mode of operation. For protection applications, this should be set to Instantaneous 1 cycle old. Load supervision can be done using vector shift mode or DFT mag mode. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 200: Current Based Delta Supervision Delispvc(7I)
DFT Mag based delta mode. 13.4.3 Setting guidelines GUID-69D28046-FAC4-4EF3-9886-F7B0F6341196 v3 Operation: To enable/disable the delta supervision function. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 201: Delta Supervision Of Real Input Delspvc
Thermal heat content (ɸ) • Energy The change over time of these quantities with respect to the old value can be supervised with this function. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 203: Control
In case of a pulsed output, it gives the length of the pulse (in seconds). tDelay: The delay between the UP or DOWN activation signal positive front and the output activation. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 204: Selector Mini Switch Vsgapc
Selector mini switch (VSGAPC) function can generate pulsed or steady commands (by setting the Mode parameter). When pulsed commands are generated, the length of the pulse can be set using the tPulse Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 205: Generic Communication Function For Double Point Indication Dpgapc
Table 24: Description of the input-output relationship POSITION VALID OPEN CLOSE Value Description Intermediate Intermediate Open Closed Bad State Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 206: Setting Guidelines
PulseModex is set to Pulsed, then tPulsex will set the length of the pulse (in seconds). 14.5 AutomationBits, command function for DNP3.0 AUTOBITS SEMOD158589-1 v3 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 207: Identification
SINGLECMD via configuration logic circuit to control a high-voltage apparatus. This type of command control is normally carried out by Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 208 Function n SINGLECMD Function n CMDOUTy OUTy en04000207.vsd IEC04000207 V2 EN-US Figure 82: Application example showing a logic diagram for control of built-in functions Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 209: Setting Guidelines
1. That means the configured logic connected to the command function block may not have a cycle time longer than the cycle time for the command function block. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 211: Logic
Single-pole tripping for single-phase faults and three-pole tripping for multi-phase and evolving faults (1p/3p operating mode). • Single-pole tripping for single-pole faults, two-pole tripping for two-pole faults and three-pole tripping for three-pole faults (1p/2p/3p operating mode). Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 212: Three-Pole Tripping
FLTVCMAG FLTVCMAG FLTVCANG FLTVCANG FLTVNMAG FLTVNMAG FLTVNANG FLTVNANG GUID-40F59978-9468-4491-8A25-669567A9456F V1 EN-US Figure 84: Tripping logic SMPPTRC (94) is used for a simple three-pole tripping application Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 213: Single- And/Or Three-Pole Tripping
Other back-up functions are connected to the input TRINP_3P as described above for three-pole tripping. A typical connection for a single-pole tripping scheme is shown in figure 85. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 214: Single-, Two- Or Three-Pole Tripping
Unsuccessful autoreclosing and back-up zone tripping can in such cases be connected to initiate lockout by activating the input SETLKOUT. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 215: Example Of Directional Data
Example of directional data GUID-08AC09AB-2B2F-4095-B06E-1171CF225869 v4 An example how to connect the directional data from different application functions to the trip function is shown in Figure Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 216 All start and directional outputs are mapped to the logical node data model of the trip function and provided via the IEC 61850 attributes dirGeneral, dirPhsA, dirPhsB, dirPhsC, and dirNeut. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 217 If the signal RESET is HIGH, SMPPTRC will set all the reported current magnitudes to -1.000A, voltage magnitudes to -0.001kV, current and voltage angles to -1.000deg values respectively. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 218: Blocking Of The Function Block
2000 MVA Rated voltage (UBase) 400 kV Rated Current (IBase) 3000 A System Frequency 50 Hz VT ratio 400 kV/110 V CT ratio 3000/1 A Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 219 TripLockout Latch TRIP output when SETLKOUT input is activated AutoLock Activate CLLKOUT output when TRIP output is activated Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 220 Reported fault data on occurrence of trip event from PHPIOC function GUID-EA7E5A1A-CDAB-4B94-9A50-695877931DAA V1 EN-US Figure 90: Connection diagram of PHPIOC and SMPPTRC functions for Invalid Data Reporting Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 221: Trip Matrix Logic Tmagapc
Logic for group alarm ALMCALH GUID-64EA392C-950F-486C-8D96-6E7736B592BF v1 15.3.1 Identification GUID-64EA392C-950F-486C-8D96-6E7736B592BF v1 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Logic for group alarm ALMCALH Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 222: Application
INDCALH 15.5.1.1 Application GUID-9BAD30FB-4B75-4E14-82A8-6A59B09FA6EA v1 Group indication logic function INDCALH is used to route indication signals to different LEDs and/or output contacts on the IED. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 223: Setting Guidelines
For each cycle time, the function block is given an serial execution number. This is shown when using the ACT configuration tool with the designation of the function block and the cycle time, see example below. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 224: Fixed Signal Function Block Fxdsign
One FXDSIGN function block is included in all IEDs. Example for use of GRP_OFF signal in FXDSIGN The Restricted earth fault function (REFPDIF) (87N) can be used both for auto-transformers and normal transformers. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 225: Boolean 16 To Integer Conversion B16I
Boolean 16 to Integer conversion B16I SEMOD175715-1 v1 15.8.1 Identification SEMOD175721-2 v2 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Boolean 16 to integer conversion B16I Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 226: Application
65535. 65535 is the highest boolean value that can be converted to an integer by the B16I function block. 15.9 Boolean to integer conversion with logical node representation, 16 bit BTIGAPC SEMOD175753-1 v4 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 227: Identification
The sum of the numbers in column “Value when activated” when all INx (where 1≤x≤16) are active that is=1; is 65535. 65535 is the highest boolean value that can be converted to an integer by the BTIGAPC function block. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 228: Integer To Boolean 16 Conversion Ib16
IN12 BOOLEAN Input 12 2048 IN13 BOOLEAN Input 13 4096 IN14 BOOLEAN Input 14 8192 IN15 BOOLEAN Input 15 16384 IN16 BOOLEAN Input 16 32768 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 229: Integer To Boolean Conversion With Logical Node Representation, 16 Bit Itbgapc
Output 8 OUT9 BOOLEAN Output 9 OUT10 BOOLEAN Output 10 OUT11 BOOLEAN Output 11 1024 OUT12 BOOLEAN Output 12 2048 Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 230: Elapsed Time Integrator With Limit Transgression And Overflow Supervision Teigapc
99 999.99 seconds < tWarning ≤ 999 999.0 seconds Note that tAlarm and tWarning are independent settings, that is, there is no check if tAlarm > tWarning. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 231: Comparator For Integer Inputs - Intcomp
Set the RefSource = Input REF Similarly for Signed comparison between inputs Set the EnaAbs = Signed Set the RefSource =Input REF For absolute comparison between input and setting Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 232: Comparator For Real Inputs - Realcomp
The function gives the possibility to monitor the level of real values in the system relative to each other or to a fixed value. It is a basic arithmetic function that can be used for monitoring, supervision, interlocking and other logics. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 233: Setting Guidelines
INEQUAL will set when the INPUT is between the ranges of 95 to 105 kA. INHIGH will set when the INPUT crosses above 105 kA. INLOW will set when the INPUT crosses below 95 kA. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 234 INPUT and REF. Then the settings should be adjusted as below, EnaAbs = Absolute RefSource = Input REF EqualBandHigh = 5.0 % of reference value EqualBandLow = 5.0 % of reference value. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 235: Monitoring
P, Q, S, I, U, f SYMBOL-RR V1 EN-US Phase current measurement CMMXU SYMBOL-SS V1 EN-US Phase-phase voltage measurement VMMXU SYMBOL-UU V1 EN-US Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 236: Application
RMS filtering). By selecting the RMS mode, the reported value will be in addition to the fundamental magnitude also include harmonics. Main menu /Measurement /Monitoring /Service values /CVMMXN The measurement function, CVMMXN, provides the following power system quantities: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 237: Zero Clamping
Outputs seen on the local HMI under Main menu/Measurements /Monitoring/Servicevalues(P_Q) / CVMMXN(P_Q): Apparent three-phase power Active three-phase power Reactive three-phase power Power factor ILAG I lagging U Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 238: Setting Guidelines
5, 30 or 100. IMagCompY: Magnitude compensation to calibrate current measurements at Y% of In, where Y is equal to 5, 30 or 100. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 239 XLowLim: Low limit. Set as % of YBase (Y is SBase for S,P,Q UBase for Voltage measurement and IBase for current measurement). Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 240: Setting Examples
Measurement function (CVMMXN) application for a OHL • Measurement function (CVMMXN) application on the secondary side of a transformer • Measurement function (CVMMXN) application for a generator Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 241 (as per IED internal default direction) Mode Selection of measured current L1, L2, L3 All three phase-to-ground VT inputs are available and voltage Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 242 Magnitude factor to calibrate 0.00 current at 100% of In VAmpComp5 Magnitude factor to calibrate 0.00 voltage at 5% of Vn Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 243 Connect, in PCM600, measurement function to LV side CT & VT inputs Set the setting parameters for relevant Measurement function as shown in the following table 32: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 244 Set based on rated power Global base) Measurement function application for a generator SEMOD54481-110 v8 Single line diagram for this application is given in figure 100. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 245 Low pass filter coefficient for 0.00 Typically no additional filtering is required power measurement, V and I Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 246: Gas Medium Supervision Ssimg (63)
Binary information based on the gas pressure in the circuit breaker is used as an input signal to the function. The function generates alarms based on the received information. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 247: Setting Guidelines
If sensor quality is low, then lockout and alarm signals will get reset. 2.2.5 2.2.6 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 248: Identification
For the temperature lockout indication to reset after a set time delay in s. tResetTempAlm: For the temperature alarm indication to reset after a set time delay in s. 16.4 Breaker monitoring SSCBR 16.4.1 Identification GUID-0FC081B2-0BC8-4EB8-9529-B941E51F18EE v7 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 249: Application
Circuit breaker manufacturers provide the number of make-break operations possible at various interrupted currents. An example is shown in figure 101. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 250 10000/50 = 200 operations at the rated operating current. The remaining life of the CB would become (10000 – 200) = 9800 operations at the rated operating current after one operation at 50 kA. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 252: Setting Procedure On The Ied
Time delay for gas pressure alarm. tGasPresLO: Time delay for gas pressure lockout. DirCff: Directional coefficient for circuit breaker life calculation. RatedOpCur: Rated operating current of the circuit breaker. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 253: Event Function Event
LONChannelMask or SPAChannelMask M12811-15 v2 Definition of which part of the event function block that shall generate events: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 254: Disturbance Report Drprdre
IEC 60617 ANSI/IEEE C37.2 identification device number Disturbance report DRPRDRE Disturbance report A1RADR - A4RADR Disturbance report B1RBDR - B22RBDR Disturbance report C1RADR - C3RADR Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 255: Application
Sequential of events (SOE), Event recorder (ER) and Indication (IND) uses information from the binary input function blocks (BxRBDR). Trip value recorder (TVR) uses analog information from the analog input Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 256 The IED is in test mode Red LED: Steady light Triggered on binary signal N with SetLEDx = Trip (or Start and Trip) Flashing The IED is in configuration mode Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 257: Recording Times
However, under certain circumstances the fault condition may reoccur during the post-fault recording, for instance by automatic reclosing to a still faulty power line. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 258: Binary Input Signals
M in percent of nominal value. 16.6.4.4 Sub-function parameters M12179-389 v3 All functions are in operation as long as Disturbance report is in operation. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 259: Consideration
If nevertheless analog input triggering is used, chose settings by a sufficient margin from normal operation values. Phase voltages are not recommended for trigging. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 260: Logical Signal Status Report Binstatrep
BINSTATREP function. 16.8 Limit counter L4UFCNT GUID-22E141DB-38B3-462C-B031-73F7466DD135 v1 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 261: Identification
Settable time limits for warning and alarm are provided. The time limit for overflow indication is fixed to 99999.9 hours. At overflow the accumulated time resets and the accumulation starts from zero again. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 262: Setting Guidelines
Current distortion is limited at the point of common coupling PCC to control the harmonic current from the utility to the consumer. Thereby, the voltage distortion must be limited in order to prevent it from spreading to other facilities. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 263: Setting Guidelines
WrnLimitTDD: It defines the warning limit for the calculated total demand distortion. The difference between THD and TDD is helpful to find the harmonics level during light load conditions. According to Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 264 It defines the alarm time limit for the calculated ninth harmonic distortion which is applied after the warning signal pickup and depends on its sustainability. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 265: Voltage Harmonic Monitoring Vhmmhai(Vthd)
Hence, it is important to measure and monitor harmonics in power systems. Harmonic voltage distortions on 161 kV power Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 266: Setting Guidelines
It defines the alarm time limit for the calculated fourth harmonic distortion which is applied after the warning signal pickup and depends on its sustainability. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 267 It defines the alarm time limit for the calculated ninth harmonic distortion which is applied after the warning signal pickup and depends on its sustainability. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 269: Metering
The setting is common for all input channels on BIM, that is, if limit changes are made for inputs not connected to the pulse counter, the setting also influences the inputs on the same board used for pulse counting. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 270: Function For Energy Calculation And Demand Handling Etpmmtr
HMI in the same way and/or sent to the SA (Substation Automation) system through communication where the total energy then is calculated by summation of the energy pulses. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 271: Setting Guidelines
For the advanced user there are a number of settings for direction, zero clamping, max limit, and so on. Normally, the default values are suitable for these parameters. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 273: Ethernet-Based Communication
To select which communication protocols can be run on the respective access points, check or uncheck the check box for the relevant protocol. The protocols are not activated/deactivated in ECT, only filtered Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 274: Setting Ip Address, Subnet Mask And Default Gateway Of Access Points From Lhmi
If the user sets an IP address and Subnet mask that violates subnetting rules, then the following pop-up will be shown before the user tries to save the changes. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 275 If the user selects ‘Yes’, then the default gateway setting will be saved. • User can select ‘No’ if the user wishes to re-edit or correct the settings. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 276: Redundant Communication
PhyPortA PhyPortB PhyPortA PhyPortB Switch A Switch B PhyPortA PhyPortB PhyPortA PhyPortB Device 4 Device 3 IEC09000758 V5 EN-US Figure 107: Parallel Redundancy Protocol (PRP) Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 277: Setting Guidelines
IEC16000039-1-en.vsdx IEC16000039 V1 EN-US Figure 109: ECT screen with Redundancy set to PRP-1 on Access point 1 and HSR Access point Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 278: Merging Unit
The route specifies that when a package is sent to the destination device it should be sent through the selected router. If no route is specified the source device will not find the destination device. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 279: Setting Guidelines
Operation for the route can be set to On/Off by checking and unchecking the check-box in the operation column. Gateway specifies the address of the gateway. Destination specifies the destination. Destination subnet mask specifies the subnetwork mask of the destination. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 281: Station Communication
IEC 61850–8–1 configuration. IEC 61850–8–1 specifies only the interface to the substation LAN. The LAN itself is left to the system integrator. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 282 GOOSE peer-to-peer communication. Station HSI MicroSCADA Gateway GOOSE Control Protection Control and protection Control Protection en05000734.vsd IEC05000734 V1 EN-US Figure 112: Example of a broadcasted GOOSE message Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 283: Setting Guidelines
The GOOSE data must be received at function blocks. There are different GOOSE receiving function blocks depending on the type of the received data. Refer to the Engineering manual for more information about how to configure GOOSE. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 284: Iec/Uca 61850-9-2Le Communication Protocol
The process bus physical layout can be arranged in several ways, described in Annex B of the standard, depending on what are the needs for sampled data in a substation. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 285 The electronic part of a non-conventional measuring transducer (like a Rogowski coil or a capacitive divider) can represent a MU by itself as long as it can send sampled data over process bus. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 286: Faulty Merging Unit For Bay In Service
This can be resolved by connecting external binary input signals to the BLOCK input on the respective SMAI function blocks with the use of ACT. When the BLOCK input on a SMAI function is energized, the Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 287: Bay Out Of Service For Maintenance
0-value input values, comparable to a TRM that is not connected. A hint will be shown to inform that a merging unit is out of service. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 288: Setting Guidelines
Directional Overpower protection GOPPDOP Directional Underpower protection GUPPDUP Thermal overload protection, one time constant LCPTTR Thermal overload protection, one time constant LFPTTR Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 289: Setting Examples For Iec/Uca 61850-9-2Le And Time Synchronization
IED to be synchronized via IRIG-B or PTP. It is also possible to use an internal GPS receiver in the IED (if the external clock is using GPS). Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 290 50Hz Settings on the local HMI under Main menu/Configuration/Communication/Ethernet configuration/ Access point/AP_X: • Operation: On • PTP: On Two status monitoring signals can be: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 291 No time synchronization This example is not valid when GPS time is used for differential protection, when PTP is enabled or when the PMU report is used. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 292 MU and no TRM, parameter SyncLostMode is set to No block but parameter HwSyncSrc is still set to PPS. This maintains analog and binary data correlation in disturbance recordings without blocking protection functions if PPS is lost. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 293: Lon Communication Protocol
For more information of the bay-to-bay communication, refer to the section Multiple command function. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 294: Multicmdrcv And Multicmdsnd
The sending function block, MULTICMDSND, takes 16 binary inputs. LON enables these to be transmitted to the equivalent receiving function block, MULTICMDRCV, which has 16 binary outputs. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 295: Setting Guidelines
The SPA protocol V2.5 is an ASCII-based protocol for serial communication. The communication is based on a master-slave principle, where the IED is a slave and the PC is the master. Only one master Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 296: Setting Guidelines
Refer to technical data to determine the rated communication speed for the selected communication interfaces. The IED does not adapt its speed to the actual communication conditions because the communication speed is set on the local HMI. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 297: Iec 60870-5-103 Communication Protocol
103, Companion standard for the informative interface of protection equipment. 19.6.1.2 Design M17109-41 v1 General M17109-43 v2 The protocol implementation consists of the following functions: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 298 Function block with defined IED functions in monitor direction, I103IED. This block use PARAMETER as FUNCTION TYPE, and INFORMATION NUMBER parameter is defined for each input signal. • Function status indication in monitor direction, user-defined Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 299 The binary signals that are included in the disturbance recorder are those that are connected to the disturbance function blocks B1RBDR to B22RBDR. These function blocks include the function type Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 300: Settings
Main menu /Configuration /Communication /Station Communication /Port configuration / • RS485 port • RS485PROT:1 (off, DNP, IEC103) • SLM optical serial port • PROTOCOL:1 (off, DNP, IEC103, SPA) Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 301: Settings From Pcm600
The function type and the information number can be set to any value between 0 and 255. To get INF and FUN for the recorded binary signals, there are parameters on the disturbance Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 302 Private range Private range Private range Private range Private range Private range Private range Private range Private range Private range Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 303: Function And Information Types
19.7.1 Application GUID-EF1F0C38-9FF6-4683-8B10-AAA372D42185 v1 For more information on the application and setting guidelines for the DNP3 communication protocol refer to the DNP3 Communication protocol manual. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 305: Remote Communication
LDCM buffering and transmission delays. Thus, the application of LDCM in analog mode shall be used with caution. Important to know when connecting LDCM to SMAI function block with 3 or 8 ms cycle time. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 306: Communication Hardware Solutions
(multimode), as shown in figure 125. The protocol used is IEEE/ANSI C37.94. The distance with this solution is typical 110 km/68 miles. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 307: Setting Guidelines
OutOfService is selected, the IED should have active communication to the remote end during the whole maintenance process, that is, no restart or removal of the fiber can be done. This setting does not apply to two-end communication. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 308 Short-range LDCM: Use LowPower for fibers 0 – 1 km and HighPower for fibers greater than 1 km. Medium-range LDCM: Typical distance 80 km for HighPower. Long-range LDCM: Typical distance 120 km for HighPower. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 309 2 km 3 km 80 km 120 km Attenuation in fibre- 6 dB 9 dB 25.6 dB 25.2 dB optic cables Table continues on next page Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 310 CT-SUM transmits the sum of the two CT groups. CT-DIFF1 transmits CT group 1 minus CT group 2 and CT-DIFF2 transmits CT group 2 minus CT group 1. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 311 CompRange should be set to nearest value >/= √2* Maximum through-fault current. When the CompRange is set below the maximum through-fault current, it can create false differential current during external fault. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 313: Security
PCM600 installed and by using the Event Monitoring Tool. The PC can either be connected to the front port, or to the port at the back of the IED. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 314: Change Lock Chnglck
CHNGLCK input. If such a situation would occur in spite of these precautions, then please contact the local Hitachi Energy representative for remedial action. Phasor measurement unit RES670 Application manual ©...
Page 315: Denial Of Service Schlcch/Rchlcch
LinkStatus indicates the Ethernet link status for the front port 21.4.2 Setting guidelines GUID-CE3344E8-539B-47E0-9C19-8239988BDBCF v3 The function does not have any parameters available in the local HMI or PCM600. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 317: Basic Ied Functions
ProductionDate • IEDProdType Figure 127: IED summary This information is very helpful when interacting with Hitachi Energy product support (for example during repair and maintenance). 22.2.2 Factory defined settings M11789-39 v11 The factory defined settings are very useful for identifying a specific version and very helpful in the case of maintenance, repair, interchanging IEDs between different Substation Automation Systems and upgrading.
Page 318: Measured Values Expander Block Range_Xp
The output signals can be used as conditions in the configurable logic. 22.3.3 Setting guidelines SEMOD113223-4 v2 There are no settable parameters for the measured values expander block function. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 319: Parameter Setting Groups
The rated system frequency and phase rotation direction are set under Main menu /Configuration / Power system / Primary Values in the local HMI and PCM600 parameter setting tree. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 320: Setting Guidelines
Global base values GBASVAL GUID-2FDB0A2C-10FE-4954-B6E4-9DA2EEEF1668 v1 22.7.1 Identification GUID-0D5405BE-E669-44C8-A208-3A4C86D39115 v4 Function description IEC 61850 IEC 60617 ANSI/IEEE C37.2 identification identification device number Global base values GBASVAL Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 321: Application
The Signal matrix for binary outputs function SMBO is used within the Application Configuration tool in direct relation with the Signal Matrix tool. SMBO represents the way binary outputs are sent from one IED configuration. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 322: Setting Guidelines
(not three) of the inputs GRPx_A, GRPx_B and GRPx_C to the same voltage input as shown in figure to make SMAI calculate a positive sequence voltage. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 323: Smai Incorrect Calculated Phase-Earth
SMAI outputs give information about every aspect of the 3ph analog signals acquired (phase angle, RMS value, frequency and frequency derivates, and so on – 244 values in total). Besides Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 324 When two or more preprocessing blocks are used to feed one protection function (e.g. over- power function GOPPDOP), it is of outmost importance that parameter setting DFTReference has the same set value for all of the preprocessing blocks involved Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 325 Twelve SMAI instances are grouped within one task time. SMAI blocks are available in four different task times in the IED. Three pointed instances are used in the following examples. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 326 DFTReference = DFTRefGrp7 for SMAI1:1 to use SMAI7:7 as reference (see Figure 130) SMAI2:2 – SMAI12:12: DFTReference = DFTRefGrp7 for SMAI2:2 – SMAI12:12 to use SMAI7:7 as reference. For task time group 2 this gives the following settings: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 327 For task time group 1 this gives the following settings (see Figure for numbering): SMAI1:1 – SMAI12:12: DFTReference = ExternalDFTRef to use DFTSPFC input as reference (SMAI4:16) Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 328 Observe that positive sequence voltage is used for the frequency tracking feature. For task time group 1 this gives the following settings (see Figure for numbering): Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 329: Test Mode Functionality Testmode
The DataObject Mod of the Root LD.LNN0 can be set on the LHMI under Main menu/Test/Function test modes/Communication/Station communication /IEC61850 LD0 LLN0/LD0LLN0:1 to On, Off, TestBlocked,Test or Blocked. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 330: Setting Guidelines
IED_TEST on the TESTMODE function block is activated in the configuration. Forcing of binary input and output signals is only possible when the IED is in IED test mode. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 331: Time Synchronization Timesynchgen
1us accuracy on three levels or when using an HSR, 15 IEDs can be connected in a ring without losing a single microsecond in accuracy. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 332: Setting Guidelines
The IRIG-B parameters have to be set according to the external clock providing the IRIG-B signal to the IED. The IRIG-B parameters (IRIG-B:1) are as follows: Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 333 The PTP VLAN tag does not need to be the same on all access points in one IED. It is possible to mix as long as they are the same for all devices on each subnet. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 334: Process Bus Iec/Uca 61850-9-2Le Synchronization
If synchronization of the IED and the merging unit is based on GPS, set the parameter SyncLostMode to BlockOnLostUTC in order to provide a block of protection functions whenever the global common time is lost. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 335 10 minutes. To avoid this, configure PTP (IEEE 1588) to On for the access point where the merging unit is configured. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 337: Requirements
So far remanence factors of maximum 80% have been considered when CT requirements have been decided for Hitachi Energy IEDs. Even in the future this level of remanent flux probably will be the maximum level that will be considered when decided the CT requirements.
Page 338: Conditions
VHR type CTs (i.e. with new material) to be used together with Hitachi Energy protection IEDs. However, this may result in unacceptably big CT cores, which can be difficult to manufacture and fit in available space.
Page 339: Fault Current
The current transformer ratio is mainly selected based on power system data for example, maximum load and/or maximum fault current. It should be verified that the current to the protection is higher than the Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 340: Rated Equivalent Secondary E.m.f. Requirements
If no explicit recommendation is given for a specific function we therefore recommend contacting Hitachi Energy to confirm that the non remanence type can be used. The CT requirements for the different functions below are specified as a rated equivalent limiting secondary e.m.f.
Page 341: Current Transformers According To Ansi/Ieee
The performance of a protection function will depend on the quality of the measured input signal. Transients caused by capacitive Coupled voltage transformers (CCVTs) can affect some protection functions. Magnetic or capacitive voltage transformers can be used. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 342: Sntp Server Requirements
COMFAIL is issued after receive error >100ms. (Default). Synchronization in SDH systems with G.703 E1 or IEEE C37.94 The G.703 E1, 2 Mbit shall be set according to ITU-T G.803, G.810-13 Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 343 Thus, the accuracy of the current and voltage inputs to the merging unit and the inaccuracy added by the merging unit must be coordinated with the requirement for actual type of protection function. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 344 In principle the accuracy of the current and voltage transformers, together with the merging unit, shall have the same quality as direct input of currents and voltages. Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 345 Consultative Committee for International Telegraph and Telephony. A United Nations-sponsored standards body within the International Telecommunications Union. CAN carrier module CCVT Capacitive Coupled Voltage Transformer Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 346 Distributed Network Protocol as per IEEE Std 1815-2012 Disturbance recorder DRAM Dynamic random access memory Disturbance report handler Digital signal processor Direct transfer trip scheme Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 347 High-level data link control, protocol based on the HDLC standard HFBR connector type Plastic fiber connector HLV circuit Hazardous Live Voltage according to IEC60255-27 Human-machine interface HSAR High speed autoreclosing High-availability Seamless Redundancy High-voltage Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 348 Ingression protection, according to IEC 60529, level IP54-Dust-protected, protected against splashing water. Internal failure signal IRIG-B: InterRange Instrumentation Group Time code format B, standard 200 International Telecommunications Union Local area network Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 349 Permissive overreach transfer trip Process bus Bus or LAN used at the process level, that is, in near proximity to the measured and/or controlled components Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 350 Strömberg Protection Acquisition (SPA), a serial master/slave protocol for point- to-point and ring communication. Switch for CB ready condition Switch or push button to trip Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 351 Voltage transformer X.21 A digital signalling interface primarily used for telecom equipment Three times zero-sequence current.Often referred to as the residual or the ground-fault current Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 352 Section 24 1MRK511407-UUS Rev. N Glossary Three times the zero sequence voltage. Often referred to as the residual voltage or the neutral point voltage Phasor measurement unit RES670 Application manual © 2017 - 2023 Hitachi Energy. All rights reserved...
Page 354 Hitachi Energy Sweden AB Grid Automation Products SE-721 59 Västerås, Sweden Phone +46 (0) 10 738 00 00 https://hitachienergy.com/protection-control Scan this QR code to visit our website © 2017 - 2023 Hitachi Energy. All rights reserved...

This manual is also suitable for:

Res670

Hitachi Relion 670 Series Applications Manual

Quick Links

Related Manuals for Hitachi Relion 670 Series

Summary of Contents for Hitachi Relion 670 Series