PID-6757-INPUTSIGNALS v1
Table 47: T3WPDIF (87T) Input signals
Name
Type
Default
Description
I3PW1CT1
GROUP
SIGNAL
-
Three phase winding primary CT1
I3PW1CT2
GROUP
SIGNAL
-
Three phase winding primary CT2
I3PW2CT1
GROUP
SIGNAL
-
Three phase winding secondary CT1
I3PW2CT2
GROUP
SIGNAL
-
Three phase winding secondary CT2
I3PW3CT1
GROUP
SIGNAL
-
Three phase winding tertiary CT1
I3PW3CT2
GROUP
SIGNAL
-
Three phase winding tertiary CT2
TAPOLTC1
INTEGER
1
Most recent tap position reading on OLTC 1
TAPOLTC2
INTEGER
1
Most recent tap position reading on OLTC 2
OLTC1AL
BOOLEAN
0
OLTC1 alarm
OLTC2AL
BOOLEAN
0
OLTC2 alarm
BLOCK
BOOLEAN
0
Block of function
BLKRES
BOOLEAN
0
Block of trip for restrained differential feature
BLKUNRES
BOOLEAN
0
Block of trip for unrestrained differential feature
BLKNSUNR
BOOLEAN
0
Block of trip for unrestrained negative sequence differential
protection
BLKNSSEN
BOOLEAN
0
Block of trip for sensitive negative sequence differential
protection
PID-6757-OUTPUTSIGNALS v1
Table 48: T3WPDIF (87T) Output signals
Name
Type
Description
TRIP
BOOLEAN
General, common trip signal
TRIPRES
BOOLEAN
Trip signal from restrained differential protection
TRIPUNRE
BOOLEAN
Trip signal from unrestrained differential protection
TRNSUNR
BOOLEAN
Trip signal from unrestrained negative sequence differential
protection
TRNSSENS
BOOLEAN
Trip signal from sensitive negative sequence differential
protection
PICKUP
BOOLEAN
Common pickup signal from any phase
PU_A
BOOLEAN
Pickup signal from phase A
PU_B
BOOLEAN
Pickup signal from phase B
PU_C
BOOLEAN
Pickup signal from phase C
BLK2H
BOOLEAN
Common second harmonic block signal from any phase
BLK2H_A
BOOLEAN
Second harmonic block signal, phase A
BLK2H_B
BOOLEAN
Second harmonic block signal, phase B
Table continues on next page
1MRK 502 066-UUS B
Section 6
Differential protection
111
Technical manual
Содержание Relion 670 series
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