GE 745 - Page 116

5–20 745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
AUTO-CONFIGURATION CHAPTER 5: SETPOINTS
D/d120°/
y150°
1 DELTA 0° D/d120°/
y330°
1DELTA 0°
2DELTA
120° lag
240° lag 2 DELTA
120° lag
240° lag
3WYE
150° lag
210° lag 3 WYE
330° lag
30° lag
D/d180°/d0° 1 DELTA 180° lag D/d180°/
d120°
1 DELTA 120° lag
2DELTA
180° lag
0° 2 DELTA
180° lag
300° lag
3DELTA
0°
180° lag 3 DELTA
120° lag
0°
D/d180°/
d180°
1 DELTA 0° D/d180°/
d300°
1 DELTA 300° lag
2DELTA
180° lag
180° lag 2 DELTA
180° lag
120° lag
3DELTA
180° lag
180° lag 3 DELTA
300° lag
0°
D/d180°/
y150°
1 DELTA 0° D/d180°/
y330°
1DELTA 0°
2DELTA
180° lag
180° lag 2 DELTA
180° lag
180° lag
3WYE
150° lag
210° lag 3 WYE
330° lag
30° lag
D/d240°/d0° 1 DELTA 240° lag D/d240°/d60° 1 DELTA 240° lag
2DELTA
240° lag
0° 2 DELTA
240° lag
0°
3DELTA
0°
240° lag 3 DELTA
60° lag
180° lag
Table 5–1: Transformer types (Sheet 8 of 11)
Transformer
type
Wdg. Connection Voltage
phasors
Phase
shift
Transformer
type
Wdg. Connection Voltage
phasors
Phase
shift