GE 745 TRANSFORMER MANAGEMENT RELAY

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