GE 745 - Page 112

5–16 745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
AUTO-CONFIGURATION CHAPTER 5: SETPOINTS
Y/d30°/d30° 1 WYE 30° lag Y/d30°/d150° 1 WYE 30° lag
2DELTA
30° lag
0° 2 DELTA
30° lag
0°
3DELTA
30° lag
0° 3 DELTA
150° lag
240° lag
Y/d30°/d210° 1 WYE 30° lag Y/d30°/d330° 1 WYE 30° lag
2DELTA
30° lag
0° 2 DELTA
30° lag
0°
3DELTA
210° lag
180° lag 3 DELTA
330° lag
60° lag
Y/d150°/y0° 1 WYE 150° lag Y/d150°/
y180°
1 WYE 150° lag
2DELTA
150° lag
0° 2 DELTA
150° lag
0°
3WYE
0°
150° lag 3 WYE
180° lag
330° lag
Y/d150°/d30° 1 WYE 150° lag Y/d150°/
d150°
1 WYE 150° lag
2DELTA
150° lag
0° 2 DELTA
150° lag
0°
3DELTA
30° lag
120° lag 3 DELTA
150° lag
0°
Y/d150°/
d210°
1 WYE 150° lag Y/d150°/
d330°
1 WYE 150° lag
2DELTA
150° lag
0° 2 DELTA
150° lag
0°
3DELTA
210° lag
300° lag 3 DELTA
330° lag
180° lag
Table 5–1: Transformer types (Sheet 4 of 11)
Transformer
type
Wdg. Connection Voltage
phasors
Phase
shift
Transformer
type
Wdg. Connection Voltage
phasors
Phase
shift