Function Block - ABB Relion Technical Manual

1MRK 502 048-UUS A
6.1.2.2
6.1.2.3
Technical manual

Function block

T3WPDIF (87T)
I3PW1CT1* TRIP
I3PW2CT1* TRIPRES
I3PW3CT1* TRIPUNRE
BLOCK TRNSUNR
TRNSSENS
PICKUP
PU_A
PU_B
PU_C
BLK2H
BLK5H
BLKWAV
IDALARM
IDMAG_A
IDMAG_B
IDMAG_C
IBIAS
IDMAG_NS
ANSI09000269-1-en.vsd
ANSI09000269 V1 EN
Figure 30: T3WPDIF (87T) function block
Signals
Table 24: T3WPDIF (87T) Input signals
Name Type
I3PW1CT1 GROUP
SIGNAL
I3PW2CT1 GROUP
SIGNAL
I3PW3CT1 GROUP
SIGNAL
BLOCK BOOLEAN
Table 25: T3WPDIF (87T) Output signals
Name Type
TRIP BOOLEAN
TRIPRES BOOLEAN
TRIPUNRE BOOLEAN
TRNSUNR BOOLEAN
TRNSSENS BOOLEAN
PICKUP BOOLEAN
PU_A BOOLEAN
Table continues on next page
Default Description
- Three phase current connection winding 1 (W1) CT1
- Three phase current connection winding 2 (W2) CT1
- Three phase current connection winding 3 (W3) CT1
0 Block of function
Description
Common trip signal
Start signal from restrained differential protection
Start signal from unrestrained differential protection
Start signal from unrestrained negative sequence
differential protection
Start signal from sensitive negative sequence
differential protection
General pickup signal
Pickup signal from phase A
Section 6
Differential protection
87