Signals - ABB REG670 Technical Manual

Section 6
Differential protection
6.1.4
104
T3WPDIF
I3PW1CT1* TRIP
I3PW1CT2* TRIPRES
I3PW2CT1* TRIPUNRE
I3PW2CT2* TRNSUNR
I3PW3CT1* TRNSSENS
I3PW3CT2* START
TAPOLTC1 STL1
TAPOLTC2 STL2
OLTC1AL STL3
OLTC2AL BLK2H
BLOCK BLK2HL1
BLKRES BLK2HL2
BLKUNRES BLK2HL3
BLKNSUNR BLK5H
BLKNSSEN BLK5HL1
BLK5HL2
BLK5HL3
BLKWAV
BLKWAVL1
BLKWAVL2
BLKWAVL3
IDALARM
OPENCT
OPENCTAL
IDL1
IDL2
IDL3
IDL1MAG
IDL2MAG
IDL3MAG
IBIAS
IDNSMAG
IEC06000250_2_en.vsd
IEC06000250 V2 EN
Figure 31: T3WPDIF function block

Signals

Table 35: T2WPDIF Input signals
Name Type
I3PW1CT1 GROUP
SIGNAL
I3PW1CT2 GROUP
SIGNAL
I3PW2CT1 GROUP
SIGNAL
I3PW2CT2 GROUP
SIGNAL
TAPOLTC1 INTEGER
OLTC1AL BOOLEAN
BLOCK BOOLEAN
BLKRES BOOLEAN
BLKUNRES BOOLEAN
BLKNSUNR BOOLEAN
BLKNSSEN BOOLEAN
Default Description
- Three phase winding primary CT1
- Three phase winding primary CT2
- Three phase winding secondary CT1
- Three phase winding secondary CT2
1 Most recent tap position reading on OLTC 1
0 OLTC1 alarm
0 Block of function
0 Block of trip for restrained differential feature
0 Block of trip for unrestrained differential feature
0 Block of trip for unrestr. neg. seq. differential
feature
0 Block of trip for sensitive neg. seq. differential
feature
1MRK502052-UEN B
Technical manual