ABB REB670 Series Applications Manual page 10

Table of contents
7.4.3.1 Settings for each step .......................................................................................................... 167
7.4.3.2 Common settings for all steps............................................................................................ 169
7.5 Thermal overload protection, two time constants TRPTTR ................................................. 170
7.5.1 Identification.............................................................................................................................. 170
7.5.2 Application...................................................................................................................................171
7.5.3 Setting guideline........................................................................................................................ 171
7.5.3.1 Setting example...................................................................................................................... 173
7.6 Breaker failure protection CCRBRF.............................................................................................175
7.6.1 Identification.............................................................................................................................. 175
7.6.2 Application.................................................................................................................................. 175
7.6.3 Setting guidelines......................................................................................................................176
7.7 Breaker failure protection, single phase version CCSRBRF .................................................. 183
7.7.1 Identification.............................................................................................................................. 183
7.7.2 Application.................................................................................................................................. 183
7.7.3 Setting guidelines..................................................................................................................... 184
7.8 Directional underpower protection GUPPDUP.........................................................................191
7.8.1 Identification.............................................................................................................................. 191
7.8.2 Application.................................................................................................................................. 191
7.8.3 Setting guidelines......................................................................................................................192
7.9 Directional overpower protection GOPPDOP ..........................................................................196
7.9.1 Identification.............................................................................................................................. 196
7.9.2 Application..................................................................................................................................196
7.9.3 Setting guidelines..................................................................................................................... 198
7.10 Capacitor bank protection CBPGAPC........................................................................................ 201
7.10.1 Identification.............................................................................................................................. 201
7.10.2 Application.................................................................................................................................. 201
7.10.2.1 SCB protection....................................................................................................................... 203
7.10.3 Setting guidelines..................................................................................................................... 204
7.10.3.1 Restrike detection................................................................................................................. 206
Section 8 Voltage protection......................................................................................... 207
8.1 Two step undervoltage protection UV2PTUV ......................................................................... 207
8.1.1 Identification..............................................................................................................................207
8.1.2 Setting guidelines..................................................................................................................... 207
8.1.2.1 Equipment protection, such as for motors and generators......................................... 207
8.1.2.2 Disconnected equipment detection.................................................................................. 207
8.1.2.3 Power supply quality ............................................................................................................ 207
8.1.2.4 Voltage instability mitigation............................................................................................. 208
8.1.2.5 Backup protection for power system faults.................................................................... 208
8.1.2.6 Settings for two step undervoltage protection.............................................................. 208
8.2 Two step overvoltage protection OV2PTOV ........................................................................... 209
8.2.1 Identification..............................................................................................................................209
8.2.2 Application................................................................................................................................. 209
8.2.3 Setting guidelines......................................................................................................................210
8.2.3.1 Equipment protection, such as for motors, generators, reactors and
transformers........................................................................................................................... 210
8.2.3.2 Equipment protection, capacitors......................................................................................210
4 Busbar protection REB670
Application manual