ABB RER620 - Functions, codes and symbols

1MAC309294-MB F Section
RER620 7
Technical Manual
Function block............................................................................ 213
Functionality............................................................................... 213
Operation principle..................................................................... 213
Application ................................................................................. 214
Signals ....................................................................................... 215
Settings ...................................................................................... 215
Monitored data ........................................................................... 215
Technical data............................................................................ 216
Frequency protection............................................................................ 216
Frequency protection 81O/81U, 81R .............................................. 216
Identification............................................................................... 216
Function block............................................................................ 217
Functionality............................................................................... 217
Operation principle..................................................................... 217
Application ................................................................................. 220
Signals ....................................................................................... 221
Settings ...................................................................................... 222
Monitored Data .......................................................................... 222
Technical data............................................................................ 223
Load shedding and restoration 81S ................................................ 223
Identification............................................................................... 223
Function block............................................................................ 223
Functionality............................................................................... 223
Operation principle..................................................................... 224
Application ................................................................................. 229
Signals ....................................................................................... 233
Settings ...................................................................................... 234
Monitored data ........................................................................... 234
Technical data............................................................................ 234
Other protection functions available in RER620................................... 235
Circuit breaker failure protection 50BFT ......................................... 235
Identification............................................................................... 235
Function block............................................................................ 235
Functionality............................................................................... 235
Operation principle..................................................................... 235
Application ................................................................................. 241
Signals ....................................................................................... 242
Settings ...................................................................................... 243
Monitored data ........................................................................... 243
Technical data............................................................................ 243
Single Phase Circuit breaker close failure protection 50BFC ......... 244
Identification............................................................................... 244