ABB RELION 670 Series Technical Manual page 655
Generator protection
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Also See for RELION 670 Series:
- Technical reference manual (1232 pages) ,
- Applications manual (944 pages) ,
- Manual (366 pages)
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1MRK 502 066-UUS B
9.5.5
Settings
Table 363: VDCPTOV (60) Group settings (basic)
Name
Values (Range)
Operation
Disabled
Enabled
BlkDiffAtVLow
No
Yes
VDTrip
2.0 - 100.0
tTrip
0.000 - 60.000
tReset
0.000 - 60.000
VDAlarm
2.0 - 100.0
tAlarm
0.000 - 60.000
V1Low
1.0 - 100.0
V2Low
1.0 - 100.0
tBlock
0.000 - 60.000
Table 364: VDCPTOV (60) Group settings (advanced)
Name
Values (Range)
RF_A
0.000 - 3.000
RF_B
0.000 - 3.000
RF_C
0.000 - 3.000
Table 365: VDCPTOV (60) Non group settings (basic)
Name
Values (Range)
GlobalBaseSel
1 - 12
9.5.6
Monitored data
Table 366: VDCPTOV (60) Monitored data
Name
VDIFF_A
VDIFF_B
VDIFF_C
Technical manual
Unit
Step
-
-
-
-
%VB
0.1
s
0.001
s
0.001
%VB
0.1
s
0.001
%VB
0.1
%VB
0.1
s
0.001
Unit
Step
-
0.001
-
0.001
-
0.001
Unit
Step
-
1
Type
Values (Range)
REAL
-
REAL
-
REAL
-
Default
Description
Disabled
Operation Disabled/Enabled
Yes
Block operation at low voltage
5.0
Operate level, in % of VBase
1.000
Time delay for voltage differential operate,
in seconds
0.000
Time delay for voltage differential reset, in
seconds
2.0
Alarm level, in % of VBase
2.000
Time delay for voltage differential alarm, in
seconds
70.0
Input 1 undervoltage level, in % of VBase
70.0
Input 2 undervoltage level, in % of VBase
0.000
Reset time for undervoltage block
Default
Description
1.000
Ratio compensation factor phase L1
U2L1*RFL1=U1L1
1.000
Ratio compensation factor phase L2
U2L2*RFL2=U1L2
1.000
Ratio compensation factor phase L3
U2L3*RFL3=U1L3
Default
Description
1
Selection of one of the Global Base Value
groups
Unit
Description
kV
Differential Voltage phase A
kV
Differential Voltage phase B
kV
Differential Voltage phase C
Section 9
Voltage protection
PID-3591-SETTINGS v5
PID-3591-MONITOREDDATA v5
649
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