Common settings for all steps.................................................... 206
2nd harmonic restrain.................................................................208
Line application example1.......................................................... 208
Sensitive directional residual overcurrent and power protection
SDEPSDE (67N)...................................................................................214
Identification.................................................................................... 214
Application....................................................................................... 214
Setting guidelines............................................................................ 216
Time delayed 2-step undercurrent protection UC2PTUC (37)..............224
Identification.................................................................................... 224
Application....................................................................................... 224
Setting guidelines............................................................................ 226
Thermal overload protection, one time constant Fahrenheit/Celsius
LFPTTR/LCPTTR (26)..........................................................................227
Identification.................................................................................... 227
Application....................................................................................... 227
Setting guidelines............................................................................ 228
Breaker failure protection 3-phase activation and output CCRBRF (
50BF).................................................................................................... 229
Identification.................................................................................... 229
Application....................................................................................... 229
Setting guidelines............................................................................ 230
Breaker failure protection phase segregated activation and output
CSPRBRF (50BF).................................................................................233
Identification.................................................................................... 233
Application....................................................................................... 233
Setting guidelines............................................................................ 234
Stub protection STBPTOC (50STB)..................................................... 237
Identification.................................................................................... 237
Application....................................................................................... 237
Setting guidelines............................................................................ 238
Pole discrepancy protection CCRPLD (52PD)..................................... 239
Identification.................................................................................... 239
Application....................................................................................... 239
Setting guidelines............................................................................ 240
Broken conductor check BRCPTOC (46)............................................. 240
Identification.................................................................................... 240
Application....................................................................................... 240
Setting guidelines............................................................................ 241
Directional over-/under-power protection GOPPDOP/GUPPDUP
(32/37).................................................................................................. 241
Table of contents
6
Application manual