Settings P54x/EN ST/La4
MiCOM P543, P544, P545, P546
(ST) 4-57
ST
Setting range
Menu text Default setting
Min. Max.
Step size
Reclaim Time 180 s 1 s 600 s 1 s
Sets the auto-reclose reclaim timer – the time after which the sequence counter will re
to zero.
set
AR Inhibit Time 5 s 0.01 s 600 s 0.01 s
With this setting, auto-reclose initiation is inhibited for a period equal to setting A/R Inhibit
Time following a manual circuit breaker closure.
Check Sync Time 5 s 0.01 s 9999 s 0.01 s
Time window during whi et System Check c
reclose. If not, AR will lockout after time has el
ch s onditions must be satisfied for a successful
apsed.
Z2T AR Block AR No action, Block AR or Initiate AR
Setting that determines impact of time delayed zone 2 on AR operation. Set Initiate AR if
iate a cycle, and Block AR if a time delayed trip should cause lockout.
one 2 tripping should exert no specific logic control on the re-closer.
dels with dis on)
the trip should init
Set No action if Z
(Only in mo tance opti
Z3T AR Block AR No action, Block AR or Initiate AR
Similar application to Z3 Selection for Zone 3 trips. T AR.
(Only in models with distance option)
ZPT AR Block AR No action, Block AR or Initiate AR
Similar application to ZP lection for ZoT AR. Se ne 3 trips.
(Only in models with distance option)
Z4T AR Block AR No action, Bloc r Initiatek AR o AR
Similar application to Z4T AR. Selection for Zone 4 trips.
(Only in models with distance option)
DEF Aided AR Block AR Block AR or Initiate AR
Setting that determines impact of aided Directional Earth Fault protection (DEF) on AR
operation.
(Only in models with distance option)
Dir Aided AR Block AR Block AR or Initiate AR
Setting that determines impact of aided Directional Comparison protection (DEF) on AR
operation.
(Only ith distan in models w ce option)
TOR AR Block AR Block AR or Initiate AR
Setting that determines t of Trip On Reclo OR) on A tion. impac se (T R opera
(Only in models with distance option)
I>1 AR No Action No action, Bloc r Initiatek AR o AR
Setting that determines impact of the first stage overcurrent protection on AR operation.
>2 to I>4 Cells as
for >1 Above
IN>1 AR No Action No action, Block AR or Initiate AR
Setting that determines im age earth fault overcurrent protection on AR pact of the first st
operation.
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