ABB Relion 670 Series Applications Manual page 9

1MRK 511 407-UUS Rev. J
7.1.4 Setting guidelines.........................................................................................................................105
7.2 Out-of-step protection OOSPPAM (78)....................................................................................... 111
7.2.1 Identification.................................................................................................................................. 111
7.2.2 Application...................................................................................................................................... 111
7.2.3 Setting guidelines......................................................................................................................... 114
Section 8 Current protection...........................................................................................117
8.1 Directional phase overcurrent protection, four steps OC4PTOC(51_67)............................. 117
8.1.1 Identification.................................................................................................................................. 117
8.1.2 Application...................................................................................................................................... 117
8.1.3 Setting guidelines......................................................................................................................... 118
8.1.3.1
8.1.3.2
8.2 Directional residual overcurrent protection, four steps EF4PTOC (51N/67N)................... 126
8.2.1 Function revision history............................................................................................................. 127
8.2.2 Identification..................................................................................................................................127
8.2.3 Setting guidelines......................................................................................................................... 127
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 Four step directional negative phase sequence overcurrent protection NS4PTOC (4
6I2)......................................................................................................................................................133
8.3.1 Function revision history.............................................................................................................134
8.3.2 Identification................................................................................................................................. 134
8.3.3 Application..................................................................................................................................... 134
8.3.4 Setting guidelines......................................................................................................................... 135
8.3.4.1
8.3.4.2
8.4 Sensitive directional residual overcurrent and power protection SDEPSDE (67N)........... 139
8.4.1 Identification................................................................................................................................. 139
8.4.2 Application..................................................................................................................................... 140
8.4.3 Setting guidelines......................................................................................................................... 141
8.5 Thermal overload protection, one time constant Fahrenheit/Celsius LFPTTR/
LCPTTR (26)...................................................................................................................................... 149
8.5.1 Identification................................................................................................................................. 149
8.5.2 Application..................................................................................................................................... 149
8.5.3 Setting guideline...........................................................................................................................150
8.6 Directional underpower protection GUPPDUP (37)................................................................. 150
8.6.1 Identification..................................................................................................................................151
8.6.2 Application......................................................................................................................................151
Phasor measurement unit RES670
Application manual
Settings for each step............................................................................................................ 119
Setting example....................................................................................................................... 122
Common settings for all steps............................................................................................. 128
nd
2 harmonic restrain..............................................................................................................129
Parallel transformer inrush current logic............................................................................129
Switch onto fault logic........................................................................................................... 130
Settings for each step (x = 1, 2, 3 and 4)..............................................................................131
Phase selection element.........................................................................................................133
Settings for each step ........................................................................................................... 136
Common settings for all steps............................................................................................. 138
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