Hitachi Relion 670 Series Applications Manual page 9
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Also See for Relion 670 Series:
- Applications manual (438 pages) ,
- Commissioning manual (284 pages) ,
- Product manual (192 pages)
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1MRK511407-UUS Rev. N
7.2
Out-of-step protection OOSPPAM (78)................................................................................... 103
7.2.1
Identification.......................................................................................................................... 103
7.2.2
Application.............................................................................................................................103
7.2.3
Setting guidelines.................................................................................................................. 106
Section 8
Current protection.......................................................................................... 109
8.1
Directional phase overcurrent protection, four steps OC4PTOC (51_67) .............................. 109
8.1.1
Function revision history........................................................................................................109
8.1.2
Identification.......................................................................................................................... 109
8.1.3
Application.............................................................................................................................109
8.1.4
Setting guidelines...................................................................................................................111
8.1.4.1
8.1.4.2
8.2
Directional residual overcurrent protection, four steps EF4PTOC (51N/67N)......................... 119
8.2.1
Function revision history........................................................................................................119
8.2.2
Identification...........................................................................................................................119
8.2.3
Setting guidelines.................................................................................................................. 120
8.2.3.1
8.2.3.2
8.2.3.3
8.2.3.4
8.2.3.5
8.2.3.6
8.3
8.3.1
Identification.......................................................................................................................... 126
8.3.2
Application.............................................................................................................................126
8.3.3
Setting guidelines.................................................................................................................. 127
8.3.3.1
8.3.3.2
8.4
Sensitive directional residual overcurrent and power protection SDEPSDE (67N).................131
8.4.1
Identification.......................................................................................................................... 131
8.4.2
Application ............................................................................................................................131
8.4.3
Setting guidelines.................................................................................................................. 132
8.5
8.5.1
Function revision history........................................................................................................140
8.5.2
Identification.......................................................................................................................... 140
8.5.3
Application.............................................................................................................................140
8.5.4
Setting guideline....................................................................................................................141
8.6
Directional underpower protection GUPPDUP (37)................................................................ 142
8.6.1
Identification.......................................................................................................................... 142
8.6.2
Application.............................................................................................................................142
8.6.3
Setting guidelines.................................................................................................................. 143
8.7
Directional overpower protection GOPPDOP (32).................................................................. 147
Phasor measurement unit RES670
Application manual
Settings for each step ......................................................................................................112
Setting example................................................................................................................115
Common settings for all steps.......................................................................................... 120
2
harmonic restrain........................................................................................................121
Parallel transformer inrush current logic...........................................................................121
Switch onto fault logic.......................................................................................................122
Settings for each step (x = 1, 2, 3 and 4) ........................................................................ 123
Phase selection element.................................................................................................. 125
Settings for each step ......................................................................................................128
Common settings for all steps.......................................................................................... 130
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