Alstom MiCOM P546 - Page 318

P54x/EN OP/La4 Operation
(OP) 5-144 MiCOM P543, P544, P545 & P546
OP
&
DDB CB Closed A ph (908)
&
DDB CB Closed C ph (910)
DDB CB Closed B ph (909)
&
DDB CB Open A ph (904)
&
DDB CB Open C ph (906)
DDB CB Open B ph (905)
DDB CB Closed 3 ph (907)
11
1
DDB CB Open 3 ph (903)
1
1
1
DDB Lockout Alarm (860)
DDB External Trip A (535)
DDB Trip Inputs A (530)
DDB External Trip B (536)
DDB Trip Inputs B (531)
DDB External Trip C (537)
DDB Trip 3Ph (526)
>1
&
=1
&
1
INTSIG AREnabled
DDB External Trip 3ph (534)
INTSIG MainProtTrip
&
&
S
R
Q
S
R
Q
&
&
Pulse to Start Timer
&
0
t
SET :
Aute-reclose Inhibit Time
DDB Seq Count =0
(846)
INTSIG SinglePhase Trip 1
INTSIG TrippingModeSingle
INTSIG TrippingModeThree
INTSIG ThreePhaseTrip 2
P1099ENJ
&
DDB Trip Inputs 3Ph (526)
INTSIG SinglePhase Trip 1
S
R
Q
1
INTSIG AR Lockout
INTSIG ThreePhaseTrip
INTSIG SinglePole AR Complete
t
0
&
&
Set Descrim Time
INTSIG Discrimination Lockout
Figure 91 Auto-reclose single/three pole tripping