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GE Multilin
Table 5–1: Transformer Types (Sheet 13 of 24)
Transformer
Wdg # Connection Voltage
Type
Phasors
D/d0°/d0°
1
DELTA
2
DELTA
0°
3
DELTA
0°
D/d0°/d60°
1
DELTA
2
DELTA
0°
3
DELTA
60° lag
D/d0°/
1
DELTA
d120°
2
DELTA
0°
3
DELTA
120° lag
D/d0°/
1
DELTA
d180°
2
DELTA
0°
3
DELTA
180° lag
D/d0°/
1
DELTA
d240°
2
DELTA
0°
3
DELTA
240° lag
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Transformer Management Relay
Table 5–1: Transformer Types (Sheet 14 of 24)
Phase
Transformer
Wdg # Connection Voltage
Shift
Type
0°
D/d0°/
1
d300°
0°
2
0°
3
D/d0°/y30°
1
60°
lag
2
60°
lag
3
0°
120°
D/d0°/
1
lag
y150°
120°
2
lag
0°
3
180°
lag
D/d0°/
1
y210°
180°
lag
2
0°
3
240°
lag
D/d0°/
1
y330°
240°
lag
2
0°
3
745
Phase
Phasors
Shift
DELTA
300°
lag
DELTA
300°
0°
lag
DELTA
0°
300° lag
DELTA
0°
DELTA
0°
0°
WYE
330°
(gnd 2/3)
lag
30° lag
DELTA
0°
DELTA
0°
0°
WYE
210°
(gnd 2/3)
lag
150° lag
DELTA
0°
DELTA
0°
0°
WYE
150°
(gnd 2/3)
lag
210° lag
DELTA
0°
DELTA
0°
0°
WYE
30°
(gnd 2/3)
lag
330° lag
5–17
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