Double circuit breaker.................................................................291
Breaker-and-a-half......................................................................292
Setting guidelines............................................................................ 295
Autorecloser for 1 phase, 2 phase and/or 3 phase operation
SMBRREC (79).................................................................................... 300
Identification.................................................................................... 300
Application....................................................................................... 300
Auto-reclosing operation OFF and ON....................................... 305
Initiate auto-reclosing and conditions for initiation of a
reclosing cycle............................................................................ 305
Initiate auto-reclosing from CB open information....................... 306
Blocking of the autorecloser....................................................... 306
Control of the auto-reclosing open time for shot 1......................306
Long trip signal........................................................................... 307
Maximum number of reclosing shots..........................................307
ARMode
=
3ph,
(normal setting for a single 3 phase shot).......... 307
ARMode
=
1/2/3ph
....................................................................... 307
ARMode
=
1/2ph
, 1-phase or 2-phase reclosing in the first shot. 308
ARMode
=1ph + 1*2ph, 1-phase or 2-phase reclosing in the
first shot...................................................................................... 308
ARMode=1/2ph + 1*3ph, 1-phase, 2-phase or 3-phase
reclosing in the first shot.............................................................309
ARMode
=1ph + 1*2/3ph, 1-phase, 2-phase or 3-phase
reclosing in the first shot.............................................................309
External selection of auto-reclose mode.................................... 310
Reclosing reset timer..................................................................310
Pulsing of the CB closing command and Counter...................... 310
Transient fault.............................................................................311
Permanent fault and reclosing unsuccessful signal....................311
Lock-out initiation........................................................................311
Evolving fault.............................................................................. 312
Automatic continuation of the reclosing sequence .................... 313
Thermal overload protection holding the auto-reclosing
function back ............................................................................. 313
Setting guidelines............................................................................ 313
Configuration.............................................................................. 313
Auto-recloser parameter settings............................................... 320
Apparatus control APC......................................................................... 324
Application....................................................................................... 324
Bay control (QCBAY)..................................................................327
Switch controller (SCSWI).......................................................... 328
Table of contents
8
Application manual