GE 745 Instruction Manual page 117

CHAPTER 5: SETPOINTS
Transformer Wdg. Connection
type
D/d240°/ 1
d240°
2
3
D/d240°/ 1
y210°
2
3
D/d300°/ 1
d180°
2
3
D/y30°/d240° 1
2
3
D/y30°/y210° 1
2
3
745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
Table 5–1: Transformer types (Sheet 9 of 11)
Voltage Phase
phasors shift
DELTA 240° lag
DELTA
240° lag
DELTA
240° lag
DELTA
DELTA 120° lag
240° lag
WYE 150° lag
210° lag
DELTA 300° lag
DELTA
300° lag
DELTA 120° lag
180° lag
DELTA
WYE 330° lag
30° lag
DELTA 120° lag
240° lag
DELTA
WYE 330° lag
30° lag
WYE 150° lag
210° lag
Transformer Wdg.
type
D/d240°/y30° 1
0° 2
0° 3
0° D/d300°/d0° 1
2
3
D/y30°/d60° 1
0° 2
3
0° D/y30°/y30° 1
2
3
0° D/y150°/d0° 1
2
3
AUTO-CONFIGURATION
Connection Voltage
phasors
DELTA
DELTA 120° lag
240° lag
WYE 330° lag
30° lag
DELTA 300° lag
DELTA
300° lag
DELTA 300° lag
0°
DELTA
WYE 330° lag
30° lag
DELTA 300° lag
60° lag
DELTA
WYE 330° lag
30° lag
WYE 330° lag
30° lag
DELTA
WYE 210° lag
150° lag
DELTA
0°
Phase
shift
0°
0°
0°
0°
0°
0°
5–21