GE 745 Instruction Manual page 113

CHAPTER 5: SETPOINTS
Transformer Wdg. Connection
type
Y/d210°/y0° 1
2
3
Y/d210°/d30° 1
2
3
Y/d210°/ 1
d210°
2
3
Y/d330°/y0° 1
2
3
Y/d330°/d30° 1
2
3
745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
Table 5–1: Transformer types (Sheet 5 of 11)
Voltage Phase
phasors shift
WYE 210° lag
DELTA
210° lag
WYE 210° lag
0°
WYE 210° lag
DELTA
210° lag
DELTA 180° lag
30° lag
WYE 210° lag
DELTA
210° lag
DELTA
210° lag
WYE 330° lag
DELTA
330° lag
WYE 330° lag
0°
WYE 330° lag
DELTA
330° lag
DELTA 300° lag
30° lag
Transformer Wdg.
type
Y/d210°/ 1
y180°
0° 2
3
Y/d210°/ 1
d150°
0° 2
3
Y/d210°/ 1
d330°
0° 2
0° 3
Y/d330°/ 1
y180°
0° 2
3
Y/d330°/ 1
d150°
0° 2
3
AUTO-CONFIGURATION
Connection Voltage
phasors
WYE 210° lag
DELTA
210° lag
WYE
180° lag
WYE 210° lag
DELTA
210° lag
DELTA
150° lag
WYE 210° lag
DELTA
210° lag
DELTA 240° lag
330° lag
WYE 330° lag
DELTA
330° lag
WYE 150° lag
180° lag
WYE 330° lag
DELTA
330° lag
DELTA 180° lag
150° lag
Phase
shift
0°
30° lag
0°
60° lag
0°
0°
0°
5–17