Table 64. Stabilized differential protection for two-winding transformers (TR2PTDF)
main settings
Parameter
Function
Value (Range)
Step
Restraint mode
TR2PTDF
2.h & 5.h & wav
Waveform
2.h & waveform
5.h & waveform
-
High operate value
TR2PTDF
500...3000 %
10
Low operate value
TR2PTDF
5...50 %
1
Slope section 2
TR2PTDF
10...50 %
1
End section 2
TR2PTDF
100...500 %
1
Start value 2.H
TR2PTDF
7...20 %
1
Start value 5.H
TR2PTDF
10...50 %
1
Winding 1 type
TR2PTDF
Y
YN
D
Z
ZN
-
Winding 2 type
TR2PTDF
Y
YN
D
Z
ZN
-
Zro A elimination
TR2PTDF
Not eliminated
Winding 1
Winding 2
Winding 1 and 2
-
Clock number
TR2PTDF
Clk Num 0
Clk Num 1
Clk Num 2
Clk Num 4
Clk Num 5
Clk Num 6
Clk Num 7
Clk Num 8
Clk Num 10
Clk Num 11
-
Transformer Protection and Control
1MRS756788 A
RET630
Product version: 1.0
Issued: 15.09.2009
44
ABB
Содержание RET630
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