Settings - ABB RET650 Technical Manual

Relion 650 series transformer protection
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1MRK 504 135-UEN A
6.1.3.4
Table 31:
T3WPDIF Group settings (basic)
Name
Values (Range)
Operation
IdMin
EndSection1
EndSection2
SlopeSection2
SlopeSection3
IdUnre
I2/I1Ratio
I5/I1Ratio
CrossBlockEn
NegSeqDiffEn
IMinNegSeq
NegSeqROA
SOTFMode
IDiffAlarm
tAlarmDelay
Table 32:
T3WPDIF Non group settings (basic)
Name
Values (Range)
GlobalBaseSelW1
GlobalBaseSelW2
GlobalBaseSelW3
ConnectTypeW1
ConnectTypeW2
Table continues on next page
Technical manual

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
%
1.00 - 50.00
IB
5.0 - 100.0
%
5.0 - 100.0
%
Off
-
On
Off
-
On
0.02 - 0.20
IB
30.0 - 90.0
Deg
Off
-
On
0.05 - 1.00
IB
0.000 - 60.000
s
Unit
1 - 6
-
1 - 6
-
1 - 6
-
WYE (Y)
-
Delta (D)
WYE (Y)
-
Delta (D)
Step
Default
-
Off
0.01
0.30
0.01
1.25
0.01
3.00
0.1
40.0
0.1
80.0
0.01
10.00
0.1
15.0
0.1
25.0
-
On
-
On
0.01
0.04
0.1
60.0
-
On
0.01
0.20
0.001
10.000
Step
Default
1
1
1
1
1
1
-
WYE (Y)
-
WYE (Y)
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
Unrestrained protection limit, multiple of
W1 rated current
Maximum ratio of 2nd harmonic to
fundamental harmonic differential current
Maximum ratio of 5th harmonic to
fundamental harmonic differential current
Operation Off/On for cross-block logic
between phases
Operation Off/On for negative sequence
differential function
Minimum negative sequence current
Operate angle for internal/external
negative sequence fault discriminator
Operation mode for switch onto fault
function
Differential current alarm, multiple of base
current, usually W1 current
Time delay for differential current alarm
Description
Selection of one of the Global Base Value
groups, winding 1
Selection of one of the Global Base Value
groups, winding 2
Selection of one of the Global Base Value
groups, winding 3
Connection type of winding 1: Y-wye or D-
delta
Connection type of winding 2: Y-wye or D-
delta
85

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