GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual page 70

5.2 AUTO-CONFIGURATION
Table 5–1: TRANSFORMER TYPES (Sheet 21 of 26)
TRANSFORMER WDG
TYPE #
1
2
D/y30°/y30°
3
1
2
D/y30°/y210°
3
5
1
D/y150°/d0° 2
3
1
D/y150°/
2
d120°
3
5-20
VOLTAGE PHASE
CONNECTION
PHASORS SHIFT
DELTA
WYE
330°
(gnd 1/2)
30° lag
WYE
330°
(gnd 2/3)
30° lag
DELTA
WYE
330°
(gnd 1/2)
30° lag
WYE
(gnd 2/3)
150°
210° lag
DELTA
WYE
210°
(gnd 1/2)
150° lag
DELTA
0°
DELTA
WYE
210°
(gnd 1/2)
150° lag
DELTA
240°
120° lag
745 Transformer Management Relay
Table 5–1: TRANSFORMER TYPES (Sheet 22 of 26)
TRANSFORMER WDG
TYPE
0°
D/y150°/
lag
d180°
lag
0°
D/y150°/
d300°
lag
lag
0°
D/y150°/
y150°
lag
0°
0°
D/y150°/
y330°
lag
lag
5 SETPOINTS
VOLTAGE
CONNECTION
# PHASORS
1 DELTA
WYE
2 (gnd 1/2)
150° lag
DELTA
3
180° lag
1 DELTA
WYE
2 (gnd 1/2)
150° lag
DELTA
3
300° lag
1 DELTA
WYE
2 (gnd 1/2)
150° lag
WYE
3 (gnd 2/3)
150° lag
1 DELTA
WYE
2 (gnd 1/2)
150° lag
WYE
3 (gnd 2/3)
330° lag
GE Power Management
PHASE
SHIFT
0°
210°
lag
180°
lag
0°
210°
lag
60° lag
0°
210°
lag
210°
lag
0°
210°
lag
30° lag