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6.1.2.2
Function block
ANSI09000269-1-en.vsd
T3WPDIF (87T)
I3PW1CT1*
I3PW2CT1*
I3PW3CT1*
BLOCK
TRIP
TRIPRES
TRIPUNRE
TRNSUNR
TRNSSENS
PICKUP
PU_A
PU_B
PU_C
BLK2H
BLK5H
BLKWAV
IDALARM
IDMAG_A
IDMAG_B
IDMAG_C
IBIAS
IDMAG_NS
ANSI09000269 V1 EN
Figure 30:
T3WPDIF (87T) function block
6.1.2.3
Signals
Table 24:
T3WPDIF (87T) Input signals
Name
Type
Default
Description
I3PW1CT1
GROUP
SIGNAL
-
Three phase current connection winding 1 (W1) CT1
I3PW2CT1
GROUP
SIGNAL
-
Three phase current connection winding 2 (W2) CT1
I3PW3CT1
GROUP
SIGNAL
-
Three phase current connection winding 3 (W3) CT1
BLOCK
BOOLEAN
0
Block of function
Table 25:
T3WPDIF (87T) Output signals
Name
Type
Description
TRIP
BOOLEAN
Common trip signal
TRIPRES
BOOLEAN
Start signal from restrained differential protection
TRIPUNRE
BOOLEAN
Start signal from unrestrained differential protection
TRNSUNR
BOOLEAN
Start signal from unrestrained negative sequence
differential protection
TRNSSENS
BOOLEAN
Start signal from sensitive negative sequence
differential protection
PICKUP
BOOLEAN
General pickup signal
PU_A
BOOLEAN
Pickup signal from phase A
Table continues on next page
1MRK 502 048-UUS A
Section 6
Differential protection
87
Technical manual
Summary of Contents for 650 series
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