ABB ret650 - Signals

6.1.3.3 Signals
Table 29: T3WPDIF 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 30: T3WPDIF Output signals
Name Type Description
TRIP BOOLEAN General 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
START BOOLEAN General start signal
STL1 BOOLEAN Start signal from phase L1
STL2 BOOLEAN Start signal from phase L2
STL3 BOOLEAN Start signal from phase L3
BLK2H BOOLEAN General second harmonic block signal
BLK5H BOOLEAN General fifth harmonic block signal
BLKWAV BOOLEAN General block signal from waveform criteria
IDALARM BOOLEAN General alarm for sustained differential currents
IDL1MAG REAL Magnitude of fundamental frequency differential
current, phase L1
IDL2MAG REAL Magnitude of fundamental frequency differential
current, phase L2
IDL3MAG REAL Magnitude of fundamental frequency differential
current, phase L3
IBIAS REAL Magnitude of the bias current, which is common to
all phases
IDNSMAG REAL Magnitude of the negative sequence differential
current
Section 6 1MRK 504 135-UEN A
Differential protection
84
Technical manual