GE 745 - Page 117

CHAPTER 5: SETPOINTS AUTO-CONFIGURATION
745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 5–21
D/d240°/
d240°
1 DELTA 240° lag D/d240°/y30° 1 DELTA 0°
2DELTA
240° lag
0° 2 DELTA
240° lag
120° lag
3DELTA
240° lag
0° 3 WYE
30° lag
330° lag
D/d240°/
y210°
1 DELTA 0° D/d300°/d0° 1 DELTA 300° lag
2DELTA
240° lag
120° lag 2 DELTA
300° lag
0°
3WYE
210° lag
150° lag 3 DELTA
0°
300° lag
D/d300°/
d180°
1 DELTA 300° lag D/y30°/d60° 1 DELTA 0°
2DELTA
300° lag
0° 2 WYE
30° lag
330° lag
3DELTA
180° lag
120° lag 3 DELTA
60° lag
300° lag
D/y30°/d240° 1 DELTA 0° D/y30°/y30° 1 DELTA 0°
2WYE
30° lag
330° lag 2 WYE
30° lag
330° lag
3DELTA
240° lag
120° lag 3 WYE
30° lag
330° lag
D/y30°/y210° 1 DELTA 0° D/y150°/d0° 1 DELTA 0°
2WYE
30° lag
330° lag 2 WYE
150° lag
210° lag
3WYE
210° lag
150° lag 3 DELTA
0°
0°
Table 5–1: Transformer types (Sheet 9 of 11)
Transformer
type
Wdg. Connection Voltage
phasors
Phase
shift
Transformer
type
Wdg. Connection Voltage
phasors
Phase
shift