ABB REB650 - Product Documentation and Lifecycle; Product Documentation Set Overview

Disconnected equipment detection...................................... 132
Power supply quality ........................................................... 132
Voltage instability mitigation................................................. 132
Backup protection for power system faults...........................132
Settings for two step undervoltage protection...................... 133
Two step overvoltage protection OV2PTOV ..................................134
Identification.............................................................................. 134
Application................................................................................. 135
Setting guidelines...................................................................... 135
Equipment protection, such as for motors, generators,
reactors and transformers.................................................... 136
Equipment protection, capacitors......................................... 136
Power supply quality............................................................ 136
High impedance earthed systems........................................ 136
The following settings can be done for the two step
overvoltage protection.......................................................... 136
Two step residual overvoltage protection ROV2PTOV ................. 139
Identification.............................................................................. 139
Application................................................................................. 139
Setting guidelines...................................................................... 139
Equipment protection, such as for motors, generators,
reactors and transformersEquipment protection for
transformers......................................................................... 140
Equipment protection, capacitors......................................... 140
Power supply quality............................................................ 140
High impedance earthed systems........................................ 140
Direct earthed system.......................................................... 141
Settings for two step residual overvoltage protection...........142
Section 9 Secondary system supervision.....................................145
Fuse failure supervision FUFSPVC................................................145
Identification.............................................................................. 145
Application................................................................................. 145
Setting guidelines...................................................................... 146
General.................................................................................146
Setting of common parameters............................................ 146
Negative sequence based....................................................147
Zero sequence based...........................................................148
Delta U and delta I ...............................................................148
Dead line detection...............................................................149
Section 10 Control..........................................................................151
Apparatus control........................................................................... 151
Application.................................................................................151
Table of contents
4 Busbar protection REB650 2.2 IEC
Application manual