ABB Relion 650 Series Technical Manual page 285

1MRK 511 424-UEN B
Bay control REC650 2.2 IEC
Technical manual
BLOCK
AND
L1TRIP
L2TRIP
L3TRIP
P3PTR
IEC17000065 V2 EN-US
Figure 126: Simplified additional logic per phase, Program = 1ph/3ph or
1ph/2ph/3ph
BLKLKOUT
TRIPL1
OR
TRIPL2
OR
TRIPL3
OR
OR
TRIPALL
OR
AND
AND
AND
AND
SETLKOUT
RSTLKOUT
IEC17000066 V1 EN-US
Figure 127: Final tripping circuits
tTripMin
OR
t
tEvolvingFault
t
AND
OR
-LOOP
OR
AND
OR
OR
AND
AutoLock
OR
3ms
t
-LOOP
Section 9
OR
10 ms To ensure that the
fault is single phase
AND
t
5 ms To ensure that the
fault is two phase
t
AND
OR
-LOOP
-LOOP
OR
AND
AND
TripLockout
Logic
TRIPL1
TRIP
IEC17000065-2-en.vsdx
TRL1
TRL2
TRL3
TRIP
TR3P
TR1P
TR2P
CLKLKOUT
AND
IEC17000066=1=en=Original.vsdx
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