GE 745 - Page 119

CHAPTER 5: SETPOINTS AUTO-CONFIGURATION
745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 5–23
D/y330°/d0° 1 DELTA 0° D/y330°/
d120°
1DELTA 0°
2WYE
330° lag
30° lag 2 WYE
330° lag
30° lag
3DELTA
0°
0° 3 DELTA
120° lag
240° lag
D/y330°/
d180°
1 DELTA 0° D/y330°/
d300°
1DELTA 0°
2WYE
330° lag
30° lag 2 WYE
330° lag
30° lag
3DELTA
180° lag
180° lag 3 DELTA
300° lag
60° lag
D/y330°/
y150°
1 DELTA 0° D/y330°/
y330°
1DELTA 0°
2WYE
330° lag
30° lag 2 WYE
330° lag
30° lag
3WYE
150° lag
210° lag 3 WYE
330° lag
30° lag
Y/z30°/z30° 1 WYE 30° lag Y/y0°/y0° 1 WYE 0°
2ZIG-ZAG
30° lag
0° 2 WYE
0°
0°
3ZIG-ZAG
30° lag
0° 3 WYE
0°
0°
Table 5–1: Transformer types (Sheet 11 of 11)
Transformer
type
Wdg. Connection Voltage
phasors
Phase
shift
Transformer
type
Wdg. Connection Voltage
phasors
Phase
shift