Identification.............................................................................. 168
Application.................................................................................168
Setting guidelines...................................................................... 169
Rate-of-change frequency protection SAPFRC .............................169
Identification.............................................................................. 170
Application.................................................................................170
Setting guidelines...................................................................... 170
Section 9 Secondary system supervision.....................................173
Current circuit supervision CCSRDIF ............................................ 173
Identification.............................................................................. 173
Application.................................................................................173
Setting guidelines...................................................................... 173
Fuse failure supervision SDDRFUF............................................... 174
Identification.............................................................................. 174
Application.................................................................................174
Setting guidelines...................................................................... 175
General.................................................................................175
Setting of common parameters............................................ 175
Negative sequence based....................................................176
Zero sequence based...........................................................177
Delta U and delta I ...............................................................177
Dead line detection...............................................................178
Breaker close/trip circuit monitoring TCSSCBR............................. 178
Identification.............................................................................. 178
Application.................................................................................179
Section 10 Control..........................................................................183
Synchrocheck, energizing check, and synchronizing SESRSYN...183
Identification.............................................................................. 183
Application.................................................................................183
Synchronizing.......................................................................183
Synchrocheck.......................................................................184
Energizing check.................................................................. 186
Voltage selection.................................................................. 187
External fuse failure..............................................................188
Application examples.................................................................189
Single circuit breaker with single busbar.............................. 190
Single circuit breaker with double busbar, external voltage
selection............................................................................... 191
Single circuit breaker with double busbar, internal voltage
selection............................................................................... 192
Setting guidelines...................................................................... 192
Autorecloser for 3-phase operation SMBRREC ............................ 197
Table of contents
6
Application manual