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GE P642 - Figure 36: Transformer Winding Connections - Part 1

GE P642
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V03125
Y
y0
Dy1
A1
B1
C1
A2
B
2
C2
a2
b
2
c2
a1
b
1
c1
yn
A2
C
2 B2
a2
c2
b2
a
b
c
A
A
2
B2C2
B
C
B
A
2
B2C2
A
C
a2
b
2
c2
HV winding LV winding Winding Connection Phase ShiftType
a2
c2
b2
0°
Dd0 0
°
-30°
Yd1
A2
C
2 B2
-30°
D
y5
B
A2
B2C2
A
C
c2
a
2
b2
-150°
Yd5
A2
C
2 B2
-150°
Dz0
Yz1
Y
z5
0°
-30°
-150°
C
2
a4
b
4
c4
a4
b
4
c4
A2
C
2 B2
A2
C
2 B2
a4
b
4
c4
A2
B2
C2
n
c3 c2 c1
b3 b2 b1
a1a2a3
A1
B
1
C1
a1
b1
c1
A2
B2
C2
YN
a2
b
2
c2
yn
A1
B
1
C1
A2
B2
C
2
a2
b
2
c2
a1
b
1
c1
a4
b
4
c4
n
c3 c2 c1
b
3 b2 b1
a1a2a3
A
A
2
B2
B
C
a4
b
4
c4
a2
b
2
c2
a
b
c
A2
B2
C
2
A1
B
1
C1
a2
b
2
c2
a1
b
1
c1
YN
a2
b
2
c2
a
b
c
A2
B2
C
2
A1
B
1
C1
YN
a1
b
1
c1
a2
b
2
c2
yn
A1
B
1
C1
A2
B
2
C2
A1
B1
C1
A2
B2
C
2
A1
B
1
C1
YN
A2
B2
C
2
A1
B
1
C1
YN
c2
b
2
a2
a1
b
1
c1
a4
b
4
c4
n
c3 c2
c1
b
3 b2
b1
a1
a2a3
Figure 36: Transformer winding connections - part 1
P64x Chapter 6 - Transformer Differential Protection
P64x-TM-EN-1.3 103

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