ABB REG670 - Settings

Name Type Description
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
6.1.5 Settings
Table 39: T2WPDIF Group settings (basic)
Name
Values (Range) Unit Step Default Description
Operation Off
On
- - Off Operation Off / On
SOTFMode Off
On
- - On Operation mode for switch onto fault
tAlarmDelay 0.000 - 60.000 s 0.001 10.000 Time delay for diff currents alarm level
IDiffAlarm 0.05 - 1.00 IB 0.01 0.20 Dif. cur. alarm, multiple of base curr,
usually W1 curr.
IdMin 0.05 - 0.60 IB 0.01 0.30 Section1 sensitivity, multi. of base curr,
usually W1 curr.
IdUnre 1.00 - 100.00 IB 0.01 10.00 Unrestr. prot. limit, multiple of Winding 1
rated current
Table continues on next page
1MRK502052-UEN B Section 6
Differential protection
107
Technical manual