Table 36:
T2WPDIF 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 unrestr. neg. seq. diff. protection
TRNSSENS
BOOLEAN
Trip signal from sensitive neg. seq. diff. protection
START
BOOLEAN
Common start signal from any phase
STL1
BOOLEAN
Start signal from phase L1
STL2
BOOLEAN
Start signal from phase L2
STL3
BOOLEAN
Start signal from phase L3
BLK2H
BOOLEAN
Common second harmonic block signal from any
phase
BLK2HL1
BOOLEAN
Second harmonic block signal, phase L1
BLK2HL2
BOOLEAN
Second harmonic block signal, phase L2
BLK2HL3
BOOLEAN
Second harmonic block signal, phase L3
BLK5H
BOOLEAN
Common fifth harmonic block signal from any
phase
BLK5HL1
BOOLEAN
Fifth harmonic block signal, phase L1
BLK5HL2
BOOLEAN
Fifth harmonic block signal, phase L2
BLK5HL3
BOOLEAN
Fifth harmonic block signal, phase L3
BLKWAV
BOOLEAN
Common block signal, waveform criterion, from
any phase
BLKWAVL1
BOOLEAN
Block signal, waveform criterion, phase L1
BLKWAVL2
BOOLEAN
Block signal, waveform criterion, phase L2
BLKWAVL3
BOOLEAN
Block signal, waveform criterion, phase L3
IDALARM
BOOLEAN
Alarm for sustained diff currents in all three phases
OPENCT
BOOLEAN
An open CT was detected
OPENCTAL
BOOLEAN
Open CT Alarm output signal. Issued after a
delay ...
IDL1
REAL
Value of the instantaneous differential current,
phase L1
IDL2
REAL
Value of the instantaneous differential current,
phase L2
IDL3
REAL
Value of the instantaneous differential current,
phase L3
IDL1MAG
REAL
Magnitude of fundamental freq. diff. current, phase
L1
IDL2MAG
REAL
Magnitude of fundamental freq. diff. current, phase
L2
IDL3MAG
REAL
Magnitude of fundamental freq. diff. 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
1MRK502052-UEN B
Section 6
Differential protection
105
Technical manual
Summary of Contents for Relion REG670
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