GE 745 Instruction Manual page 115

CHAPTER 5: SETPOINTS
Transformer Wdg. Connection
type
D/d0°/y210° 1
2
3
D/d60°/d0° 1
2
3
D/d60°/d240° 1
2
3
D/d60°/y210° 1
2
3
D/d120°/ 1
d120°
2
3
745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
Table 5–1: Transformer types (Sheet 7 of 11)
Voltage Phase
phasors shift
DELTA
DELTA
0°
WYE 150° lag
210° lag
DELTA 60° lag
DELTA
60° lag
DELTA 60° lag
0°
DELTA 240° lag
DELTA 180° lag
60° lag
DELTA
240° lag
DELTA
DELTA 300° lag
60° lag
WYE 150° lag
210° lag
DELTA 120° lag
DELTA
120° lag
DELTA
120° lag
Transformer Wdg.
type
0° D/d0°/y330° 1
0° 2
3
D/d60°/d60° 1
0° 2
3
D/d60°/y30° 1
2
0° 3
0° D/d120°/d0° 1
2
3
D/d120°/ 1
d180°
0° 2
0° 3
AUTO-CONFIGURATION
Connection Voltage
phasors
DELTA
DELTA
0°
WYE
330° lag
DELTA
DELTA
60° lag
DELTA
60° lag
DELTA
DELTA 300° lag
60° lag
WYE 330° lag
30° lag
DELTA 120° lag
DELTA
120° lag
DELTA 120° lag
0°
DELTA 120° lag
DELTA
120° lag
DELTA 300° lag
180° lag
Phase
shift
0°
0°
30° lag
60° lag
0°
0°
0°
0°
0°
5–19