GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual page 64

5.2 AUTO-CONFIGURATION
Table 5–1: TRANSFORMER TYPES (Sheet 9 of 26)
TRANSFORMER WDG
TYPE #
1
Y/d150°/
2
y180°
3
1
2
Y/d150°/d30°
3
5
1
Y/d150°/
2
d150°
3
1
Y/d150°/
2
d210°
3
5-14
VOLTAGE PHASE
CONNECTION
PHASORS SHIFT
WYE
150°
(gnd 1/2)
DELTA
150° lag
WYE
330°
(gnd 2/3)
180° lag
WYE
150°
(gnd 1/2)
DELTA
150° lag
DELTA
120°
30° lag
WYE
150°
(gnd 1/2)
DELTA
150° lag
DELTA
150° lag
WYE
150°
(gnd 1/2)
DELTA
150° lag
DELTA
300°
210° lag
745 Transformer Management Relay
Table 5–1: TRANSFORMER TYPES (Sheet 10 of 26)
TRANSFORMER WDG
TYPE
lag
Y/d150°/
0°
d330°
lag
lag
0°
Y/d210°/y0°
lag
lag
Y/d210°/
0°
y180°
0°
lag
Y/d210°/d30°
0°
lag
5 SETPOINTS
VOLTAGE
CONNECTION
# PHASORS
WYE
1
(gnd 1/2)
DELTA
2
150° lag
DELTA
3
330° lag
WYE
1
(gnd 1/2)
DELTA
2
210° lag
WYE
3 (gnd 2/3)
0°
WYE
1
(gnd 1/2)
DELTA
2
210° lag
WYE
3 (gnd 2/3)
180° lag
WYE
1
(gnd 1/2)
DELTA
2
210° lag
DELTA
3
30° lag
GE Power Management
PHASE
SHIFT
150°
lag
0°
180°
lag
210°
lag
0°
210°
lag
210°
lag
0°
30° lag
210°
lag
0°
180°
lag