ABB RELION 670 Series Applications Manual page 13

Busbar protection
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Section 12 Control.................................................................................................................. 243
12.1
Synchronism check, energizing check, and synchronizing SESRSYN (25)................................ 243
12.1.1
Identification.................................................................................................................................... 243
12.1.2
Application........................................................................................................................................ 243
12.1.2.1
Synchronizing................................................................................................................................ 243
12.1.2.2
Synchronism check.......................................................................................................................244
12.1.2.3
Energizing check...........................................................................................................................246
12.1.2.4
Voltage selection.......................................................................................................................... 247
12.1.2.5
External fuse failure..................................................................................................................... 247
12.1.3
Application examples......................................................................................................................248
12.1.3.1
Single circuit breaker with single busbar................................................................................ 249
12.1.3.2
Single circuit breaker with double busbar, external voltage selection............................. 250
12.1.3.3
Single circuit breaker with double busbar, internal voltage selection...............................251
12.1.3.4
Double circuit breaker..................................................................................................................252
12.1.3.5
Breaker-and-a-half........................................................................................................................253
12.1.4
Setting guidelines............................................................................................................................ 255
12.2
Autorecloser for 1 phase, 2 phase and/or 3 phase operation SMBRREC (79)..........................260
12.2.1
Identification.................................................................................................................................... 260
12.2.2
Application........................................................................................................................................ 260
12.2.2.1
Auto-reclosing operation OFF and ON.....................................................................................263
12.2.2.2
Initiate auto-reclosing and conditions for initiation of a reclosing cycle......................... 263
12.2.2.3
Initiate auto-reclosing from CB open information................................................................ 264
12.2.2.4
Blocking of the autorecloser...................................................................................................... 264
12.2.2.5
Control of the auto-reclosing open time for shot 1...............................................................264
12.2.2.6
Long trip signal............................................................................................................................. 265
12.2.2.7
Maximum number of reclosing shots.......................................................................................265
ARMode = 3ph, (normal setting for a single 3 phase shot).................................................... 265
12.2.2.8
ARMode = 1/2/3ph ......................................................................................................................... 265
12.2.2.9
ARMode = 1/2ph , 1-phase or 2-phase reclosing in the first shot.......................................... 266
12.2.2.10
ARMode =1ph + 1*2ph, 1-phase or 2-phase reclosing in the first shot................................266
12.2.2.11
12.2.2.12
ARMode=1/2ph + 1*3ph, 1-phase, 2-phase or 3-phase reclosing in the first shot...........266
12.2.2.13
ARMode =1ph + 1*2/3ph, 1-phase, 2-phase or 3-phase reclosing in the first shot...........266
12.2.2.14
External selection of auto-reclose mode................................................................................. 267
12.2.2.15
Reclosing reset timer...................................................................................................................268
12.2.2.16
Pulsing of the CB closing command and Counter................................................................. 268
12.2.2.17
Transient fault...............................................................................................................................268
12.2.2.18
Permanent fault and reclosing unsuccessful signal.............................................................. 268
12.2.2.19
Lock-out initiation........................................................................................................................268
12.2.2.20
Evolving fault................................................................................................................................. 269
12.2.2.21
Automatic continuation of the reclosing sequence ............................................................. 270
12.2.2.22
Thermal overload protection holding the auto-reclosing function back ......................... 270
12.2.3
Setting guidelines............................................................................................................................ 270
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