GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual page 62

5.2 AUTO-CONFIGURATION
Table 5–1: TRANSFORMER TYPES (Sheet 5 of 26)
TRANSFORMER WDG
TYPE #
1
3W External
2
Correction
3
1
2
Y/y0°/d30°
3
5
1
2
Y/y0°/d150°
3
1
2
Y/y0°/d210°
3
5-12
VOLTAGE PHASE
CONNECTION
PHASORS SHIFT
WYE
(gnd 1/2)
WYE
(gnd 2/3)
0°
WYE
0°
WYE
30°
(gnd 1/2)
WYE
30°
(gnd 2/3)
0°
DELTA
30° lag
WYE
150°
(gnd 1/2)
WYE
150°
(gnd 2/3)
0°
DELTA
150° lag
WYE
210°
(gnd 1/2)
WYE
210°
(gnd 2/3)
0°
DELTA
210° lag
745 Transformer Management Relay
Table 5–1: TRANSFORMER TYPES (Sheet 6 of 26)
TRANSFORMER WDG
TYPE
0°
0°
Y/y0°/d330°
0°
lag
lag Y/y180°/d30°
0°
lag
Y/y180°/
lag
d150°
0°
lag
Y/y180°/
lag
d210°
0°
5 SETPOINTS
VOLTAGE
CONNECTION
# PHASORS
WYE
1
(gnd 1/2)
WYE
2 (gnd 2/3)
0°
DELTA
3
330° lag
WYE
1
(gnd 1/2)
WYE
2 (gnd 2/3)
180° lag
DELTA
3
30° lag
WYE
1
(gnd 1/2)
WYE
2 (gnd 2/3)
180° lag
DELTA
3
150° lag
WYE
1
(gnd 1/2)
WYE
2 (gnd 2/3)
180° lag
DELTA
3
210° lag
GE Power Management
PHASE
SHIFT
330°
lag
330°
lag
0°
30°
lag
210°
lag
0°
150°
lag
330°
lag
0°
210°
lag
30°
lag
0°