Identification.............................................................................. 203
Functionality.............................................................................. 203
Function block........................................................................... 203
Signals.......................................................................................204
Settings......................................................................................204
Operation principle.................................................................... 204
Technical data........................................................................... 206
Fuse failure supervision FUFSPVC................................................206
Identification.............................................................................. 206
Functionality.............................................................................. 207
Function block........................................................................... 207
Signals.......................................................................................208
Settings......................................................................................209
Monitored data...........................................................................210
Operation principle.................................................................... 210
Zero and negative sequence detection................................ 210
Delta current and delta voltage detection.............................212
Dead line detection...............................................................215
Main logic............................................................................. 216
Technical data........................................................................... 219
Section 9 Control..........................................................................221
Synchrocheck, energizing check, and synchronizing SESRSYN...221
Identification.............................................................................. 221
Functionality.............................................................................. 221
Function block........................................................................... 222
Signals.......................................................................................222
Settings......................................................................................225
Monitored data...........................................................................227
Operation principle.................................................................... 227
Basic functionality.................................................................227
Logic diagrams..................................................................... 228
Technical data........................................................................... 240
Autorecloser for 1 phase, 2 phase and/or 3 phase operation
SMBRREC .....................................................................................241
Identification.............................................................................. 241
Functionality.............................................................................. 241
Function block........................................................................... 242
Signals.......................................................................................242
Settings......................................................................................244
Operation principle.................................................................... 246
Terminology explanation...................................................... 246
Status descriptions............................................................... 246
Description of the status transition....................................... 247
Table of contents
6 Breaker protection REQ650 2.2 IEC
Technical manual