Settings - ABB RET650 Technical Manual

Relion 650 series transformer protection
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1MRK 504 135-UEN A
6.1.2.4
Table 26:
T2WPDIF Group settings (basic)
Name
Values (Range)
Operation
IdMin
EndSection1
EndSection2
SlopeSection2
SlopeSection3
Table continues on next page
Technical manual
Table 25:
T2WPDIF Output signals
Name
TRIP
TRIPRES
TRIPUNRE
TRNSUNR
TRNSSENS
START
STL1
STL2
STL3
BLK2H
BLK5H
BLKWAV
IDALARM
IDL1MAG
IDL2MAG
IDL3MAG
IBIAS
IDNSMAG

Settings

Unit
Off
-
On
0.10 - 0.60
IB
0.20 - 1.50
IB
1.00 - 10.00
IB
10.0 - 50.0
%
30.0 - 100.0
%
Type
Description
BOOLEAN
General trip signal
BOOLEAN
Start signal from restrained differential protection
BOOLEAN
Start signal from unrestrained differential
protection
BOOLEAN
Start signal from unrestrained negative sequence
differential protection
BOOLEAN
Start signal from sensitive negative sequence
differential protection
BOOLEAN
General start signal
BOOLEAN
Start signal from phase L1
BOOLEAN
Start signal from phase L2
BOOLEAN
Start signal from phase L3
BOOLEAN
General second harmonic block signal
BOOLEAN
General fifth harmonic block signal
BOOLEAN
General block signal from waveform criteria
BOOLEAN
General alarm for sustained differential currents
REAL
Magnitude of fundamental frequency differential
current, phase L1
REAL
Magnitude of fundamental frequency differential
current, phase L2
REAL
Magnitude of fundamental frequency differential
current, phase L3
REAL
Magnitude of the bias current, which is common to
all phases
REAL
Magnitude of the negative sequence differential
current
Step
Default
-
Off
0.01
0.30
0.01
1.25
0.01
3.00
0.1
40.0
0.1
80.0
Section 6
Differential protection
Description
Operation Off / On
Section 1 sensitivity current, usually W1
current
End of section 1, multiple of W1 rated
current
End of section 2, multiple of W1 rated
current
Slope in section 2 of operate-restrain
characteristics
Slope in section 3 of operate-restrain
characteristics
81

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