GE 745 TRANSFORMER MANAGEMENT RELAY - Page 63

GE Power Management 745 Transformer Management Relay 5-13
5 SETPOINTS 5.2 AUTO-CONFIGURATION
5
Y/y180°/
d330°
1
WYE
(gnd 1/2)
330°
lag
2
WYE
(gnd 2/3)
180° lag
150°
lag
3
DELTA
330° lag
0°
Y/d30°/y0°
1
WYE
(gnd 1/2)
30° lag
2
DELTA
30° lag
0°
3
WYE
(gnd 2/3)
0°
30° lag
Y/d30°/y180°
1
WYE
(gnd 1/2)
30° lag
2
DELTA
30° lag
0°
3
WYE
(gnd 2/3)
180° lag
210°
lag
Y/d30°/d30°
1
WYE
(gnd 1/2)
30° lag
2
DELTA
30° lag
0°
3
DELTA
30° lag
0°
Table 5–1: TRANSFORMER TYPES (Sheet 7 of 26)
TRANSFORMER
TYPE
WDG
#
CONNECTION
VOLTAGE
PHASORS
PHASE
SHIFT
Y/d30°/d150°
1
WYE
(gnd 1/2)
30° lag
2
DELTA
30° lag
0°
3
DELTA
150° lag
240°
lag
Y/d30°/d210°
1
WYE
(gnd 1/2)
30° lag
2
DELTA
30° lag
0°
3
DELTA
210° lag
180°
lag
Y/d30°/d330°
1
WYE
(gnd 1/2)
30° lag
2
DELTA
30° lag
0°
3
DELTA
330° lag
60° lag
Y/d150°/y0°
1
WYE
(gnd 1/2)
150°
lag
2
DELTA
150° lag
0°
3
WYE
(gnd 2/3)
0°
150°
lag
Table 5–1: TRANSFORMER TYPES (Sheet 8 of 26)
TRANSFORMER
TYPE
WDG
#
CONNECTION
VOLTAGE
PHASORS
PHASE
SHIFT