ABB Relion 670 Series Applications Manual page 10

Table of contents
8.5 Four step directional negative phase sequence overcurrent protection NS4PTOC (4
6I2)......................................................................................................................................................159
8.5.1 Identification................................................................................................................................. 159
8.5.2 Application..................................................................................................................................... 159
8.5.3 Setting guidelines.........................................................................................................................160
8.5.3.1
8.5.3.2
8.6 Sensitive directional residual overcurrent and power protection SDEPSDE (67N)........... 164
8.6.1 Identification................................................................................................................................. 164
8.6.2 Application..................................................................................................................................... 165
8.6.3 Setting guidelines.........................................................................................................................166
8.7 Thermal overload protection, one time constant Fahrenheit/Celsius LFPTTR/
LCPTTR (26)...................................................................................................................................... 174
8.7.1 Identification..................................................................................................................................174
8.7.2 Application..................................................................................................................................... 174
8.7.3 Setting guideline........................................................................................................................... 175
8.8 Thermal overload protection, two time constants TRPTTR (49)...........................................175
8.8.1 Identification..................................................................................................................................176
8.8.2 Application..................................................................................................................................... 176
8.8.3 Setting guideline........................................................................................................................... 177
8.8.3.1
8.9 Breaker failure protection CCRBRF(50BF)................................................................................. 180
8.9.1 Identification..................................................................................................................................181
8.9.2 Application......................................................................................................................................181
8.9.3 Setting guidelines......................................................................................................................... 181
8.10 Stub protection STBPTOC (50STB)............................................................................................. 189
8.10.1 Identification................................................................................................................................. 189
8.10.2 Application..................................................................................................................................... 189
8.10.3 Setting guidelines.........................................................................................................................190
8.11 Pole discrepancy protection CCPDSC(52PD)............................................................................ 190
8.11.1 Identification..................................................................................................................................191
8.11.2 Application......................................................................................................................................191
8.11.3 Setting guidelines......................................................................................................................... 191
8.12 Directional underpower protection GUPPDUP (37)..................................................................192
8.12.1 Identification..................................................................................................................................192
8.12.2 Application..................................................................................................................................... 192
8.12.3 Setting guidelines.........................................................................................................................194
8.13 Directional overpower protection GOPPDOP (32).................................................................... 197
8.13.1 Identification..................................................................................................................................197
8.13.2 Application..................................................................................................................................... 197
8.13.3 Setting guidelines.........................................................................................................................199
8.14 Broken conductor check BRCPTOC (46).....................................................................................203
8.14.1 Identification................................................................................................................................. 203
4
Settings for each step ............................................................................................................161
Common settings for all steps............................................................................................. 163
Setting example....................................................................................................................... 179
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Bay control REC670
Application manual