GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual page 67

5 SETPOINTS
Table 5–1: TRANSFORMER TYPES (Sheet 15 of 26)
TRANSFORMER WDG
CONNECTION
TYPE #
1 DELTA
DELTA
2
D/d0°/y150°
0°
WYE
3 (gnd 2/3)
150° lag
1 DELTA
DELTA
2
D/d0°/y210°
0°
WYE
3 (gnd 2/3)
210° lag
1 DELTA
DELTA
2
D/d0°/y330°
0°
WYE
3 (gnd 2/3)
330° lag
1 DELTA
DELTA
D/d60°/d0° 2
60° lag
DELTA
3
0°
GE Power Management
Table 5–1: TRANSFORMER TYPES (Sheet 16 of 26)
VOLTAGE PHASE TRANSFORMER
PHASORS SHIFT
0°
D/d60°/d60°
0°
210°
lag
0°
D/d60°/d240°
0°
150°
lag
0°
D/d60°/y30°
0°
30° lag
60° lag
D/d60°/y210°
0°
60° lag
D/d120°/d0°
745 Transformer Management Relay
5.2 AUTO-CONFIGURATION
WDG
CONNECTION
TYPE #
1 DELTA
DELTA
2
60° lag
DELTA
3
60° lag
1 DELTA
DELTA
2
60° lag
DELTA
3
240° lag
1 DELTA
DELTA
2
60° lag
WYE
3 (gnd 2/3)
30° lag
1 DELTA
DELTA
2
60° lag
WYE
3 (gnd 2/3)
210° lag
1 DELTA
DELTA
2
120° lag
DELTA
3
0°
VOLTAGE PHASE
PHASORS SHIFT
60° lag
0°
0°
240°
lag
180°
lag
0°
5
0°
300°
lag
330°
lag
0°
300°
lag
150°
lag
120°
lag
0°
120°
lag
5-17