GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual page 66

5.2 AUTO-CONFIGURATION
Table 5–1: TRANSFORMER TYPES (Sheet 13 of 26)
TRANSFORMER WDG
TYPE #
1
Y/d330°/
2
d330°
3
1
D/d0°/d0° 2
3
5
1
D/d0°/d60°
2
3
1
D/d0°/d120°
2
3
5-16
VOLTAGE PHASE
CONNECTION
PHASORS SHIFT
WYE
330°
(gnd 1/2)
DELTA
330° lag
DELTA
330° lag
DELTA
DELTA
0°
DELTA
0°
DELTA 60° lag
DELTA
60° lag
0°
DELTA
60° lag
120°
DELTA
DELTA
120°
0°
DELTA
120° lag
745 Transformer Management Relay
Table 5–1: TRANSFORMER TYPES (Sheet 14 of 26)
TRANSFORMER WDG
TYPE
lag
D/d0°/d180°
0°
0°
0°
D/d0°/d240°
0°
0°
D/d0°/d300°
0°
lag
D/d0°/y30°
lag
0°
5 SETPOINTS
VOLTAGE
CONNECTION
# PHASORS
1 DELTA
DELTA
2
0°
DELTA
3
180° lag
1 DELTA
DELTA
2
0°
DELTA
3
240° lag
1 DELTA
DELTA
2
0°
DELTA
3
300° lag
1 DELTA
DELTA
2
0°
WYE
3 (gnd 2/3)
30° lag
GE Power Management
PHASE
SHIFT
180°
lag
180°
lag
0°
240°
lag
240°
lag
0°
300°
lag
300°
lag
0°
0°
0°
330°
lag