ABB REB670 Applications Manual page 11

Application manual
Directional underpower protection GUPPDUP (37)..............................209
Identification.................................................................................... 209
Application....................................................................................... 209
Setting guidelines............................................................................ 211
Directional overpower protection GOPPDOP (32)................................215
Identification.................................................................................... 215
Application....................................................................................... 215
Setting guidelines............................................................................ 217
Capacitor bank protection CBPGAPC.................................................. 221
Identification.................................................................................... 221
Application....................................................................................... 221
SCB protection........................................................................... 224
Setting guidelines............................................................................ 226
Restrike detection.......................................................................228
Section 8 Voltage protection............................................................. 231
Two step undervoltage protection UV2PTUV (27)................................231
Identification.................................................................................... 231
Setting guidelines............................................................................ 231
Equipment protection, such as for motors and generators.........231
Disconnected equipment detection............................................ 232
Power supply quality ..................................................................232
Voltage instability mitigation....................................................... 232
Backup protection for power system faults.................................232
Settings for Two step undervoltage protection........................... 232
Two step overvoltage protection OV2PTOV (59)................................. 234
Identification.................................................................................... 234
Application....................................................................................... 235
Setting guidelines............................................................................ 235
Equipment protection, such as for motors, generators,
reactors and transformers.......................................................... 236
Equipment protection, capacitors............................................... 236
Power supply quality...................................................................236
High impedance grounded systems........................................... 236
The following settings can be done for the two step
overvoltage protection................................................................ 237
Two step residual overvoltage protection ROV2PTOV (59N)...............239
Identification.................................................................................... 239
Application....................................................................................... 239
Setting guidelines............................................................................ 239
Table of contents
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