ABB RES670 Technical Manual page 415

1MRK 511 408-UUS A
Phasor measurement unit RES670 2.2 ANSI
Technical manual
BLOCK
AND
L1TRIP
tEvolvingFault
L2TRIP
L3TRIP
P3PTR
IEC17000065 V2 EN-US
Figure 146: Simplified additional logic per phase, Program = 1p/3p or 1p/2p/3p
BLKLKOUT
TRIPL1
OR
TRIPL2
OR
TRIPL3
OR
OR
TRIPALL
OR
AND
AND
AND
AND
SETLKOUT
RSTLKOUT
ANSI17000066 V1 EN-US
Figure 147: Final tripping circuits
tTripMin
OR
t
t
AND
OR
-LOOP
OR
AND
OR
OR
AND
AutoLock
OR
3ms
t
-LOOP
Section 15
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
TR_A
TR_B
TR_C
TRIP
TR3P
TR1P
TR2P
CLKLKOUT
AND
ANSI17000066=1=en=Original.vsd
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