GE 745 Instruction Manual page 118

AUTO-CONFIGURATION
Transformer Wdg. Connection
type
D/y150°/ 1
d120°
2
3
D/y150°/ 1
d300°
2
3
D/y150°/ 1
y330°
2
3
D/y210°/d60° 1
2
3
D/y210°/y30° 1
2
3
5–22
Table 5–1: Transformer types (Sheet 10 of 11)
Voltage Phase
phasors shift
DELTA
WYE 210° lag
150° lag
DELTA 240° lag
120° lag
DELTA
WYE 210° lag
150° lag
DELTA 60° lag
300° lag
DELTA
WYE 210° lag
150° lag
WYE 30° lag
330° lag
DELTA
WYE 150° lag
210° lag
DELTA 300° lag
60° lag
DELTA
WYE 150° lag
210° lag
WYE 330° lag
30° lag
Transformer Wdg.
type
0° D/y150°/
d180°
0° D/y150°/
y150°
0° D/y210°/d0°
0° D/y210°/
d240°
0° D/y210°/
y210°
745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETPOINTS
Connection Voltage
phasors
1 DELTA
2 WYE
150° lag
3 DELTA
180° lag
1 DELTA
2 WYE
150° lag
3 WYE
150° lag
1 DELTA
2 WYE
210° lag
3 DELTA
0°
1 DELTA
2 WYE
210° lag
3 DELTA
240° lag
1 DELTA
2 WYE
210° lag
3 WYE
210° lag
Phase
shift
0°
210° lag
180° lag
0°
210° lag
210° lag
0°
150° lag
0°
0°
150° lag
120° lag
0°
150° lag
150° lag