ABB RER670 - Page 11

Identification.............................................................................. 198
Application................................................................................. 198
Setting guidelines
...................................................................... 199
Equipment protection, transformers..................................... 199
Power supply quality............................................................ 199
The following settings can be done for the two step
overvoltage protection.......................................................... 199
Two step residual overvoltage protection ROV2PTOV ................. 201
Identification.............................................................................. 201
Application................................................................................. 201
Setting guidelines...................................................................... 201
High impedance earthed systems........................................ 202
Solidly earthed systems....................................................... 202
Settings for two step residual overvoltage protection...........202
Section 10 Frequency protection....................................................205
Underfrequency protection SAPTUF ............................................. 205
Identification.............................................................................. 205
Application................................................................................. 205
Setting guidelines...................................................................... 205
Section 11 Secondary system supervision.....................................207
Current circuit supervision CCSSPVC............................................207
Identification.............................................................................. 207
Application................................................................................. 207
Setting guidelines...................................................................... 208
Fuse failure supervision FRWSPVC...............................................208
Identification.............................................................................. 208
Application................................................................................. 208
Setting guidelines...................................................................... 209
DeltaU and DeltaI detection................................................. 209
Dead line detection...............................................................210
Sudden current and voltage change..........................................210
Section 12 Control..........................................................................211
Synchrocheck, energizing check, and synchronizing SESRSYN...211
Identification.............................................................................. 211
Application................................................................................. 211
Synchronizing.......................................................................211
Synchrocheck.......................................................................213
Energizing check.................................................................. 215
External fuse failure..............................................................216
Application examples.................................................................217
Single circuit breaker with single busbar.............................. 218
Table of contents
Railway application RER670 2.2 IEC 5
Application manual