GE 745 - Page 111

CHAPTER 5: SETPOINTS AUTO-CONFIGURATION
745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 5–15
Y/y0°/d30° 1 WYE 30°
lag
Y/y0°/d150° 1 WYE 150°
lag
2WYE
0°
30°
lag
2WYE
0°
150°
lag
3DELTA
30° lag
0° 3 DELTA
150° lag
0°
Y/y0°/d210° 1 WYE 210°
lag
Y/y0°/d330° 1 WYE 330°
lag
2WYE
0°
210°
lag
2WYE
0°
330°
lag
3DELTA
210° lag
0° 3 DELTA
330° lag
0°
Y/y180°/d30° 1 WYE 30°
lag
Y/y180°/
d150°
1 WYE 150°
lag
2WYE
180° lag
210°
lag
2WYE
180° lag
330°
lag
3DELTA
30° lag
0° 3 DELTA
150° lag
0°
Y/y180°/
d210°
1 WYE 210°
lag
Y/y180°/
d330°
1 WYE 330°
lag
2WYE
180° lag
30°
lag
2WYE
180° lag
150°
lag
3DELTA
210° lag
0° 3 DELTA
330° lag
0°
Y/d30°/y0° 1 WYE 30° lag Y/d30°/y180° 1 WYE 30° lag
2DELTA
30° lag
0° 2 DELTA
30° lag
0°
3WYE
0°
30° lag 3 WYE
180° lag
210° lag
Table 5–1: Transformer types (Sheet 3 of 11)
Transformer
type
Wdg. Connection Voltage
phasors
Phase
shift
Transformer
type
Wdg. Connection Voltage
phasors
Phase
shift