GE 745 TRANSFORMER MANAGEMENT RELAY

GE Power Management 745 Transformer Management Relay 5-11
5 SETPOINTS 5.2 AUTO-CONFIGURATION
5
D/y30°
1DELTA 0°
2
WYE
(gnd 1/2)
30° lag
330°
lag
D/y150°
1DELTA 0°
2
WYE
(gnd 1/2)
150° lag
210°
lag
D/y210°
1DELTA 0°
2
WYE
(gnd 1/2)
210° lag
150°
lag
D/y330°
1DELTA 0°
2
WYE
(gnd 1/2)
330° lag
30° lag
Y/z30°
1
WYE
(gnd 1/2)
30° lag
2
ZIG-ZAG
(gnd 2/3)
30° lag
0°
Y/z150°
1
WYE
(gnd 1/2)
150°
lag
2
ZIG-ZAG
(gnd 2/3)
150° lag
0°
Y/z210°
1
WYE
(gnd 1/2)
210°
lag
2
ZIG-ZAG
(gnd 2/3)
210° lag
0°
Table 5–1: TRANSFORMER TYPES (Sheet 3 of 26)
TRANSFORMER
TYPE
WDG
#
CONNECTION
VOLTAGE
PHASORS
PHASE
SHIFT
Y/z330°
1
WYE
(gnd 1/2)
330°
lag
2
ZIG-ZAG
(gnd 2/3)
330° lag
0°
D/z0°
1DELTA 0°
2
ZIG-ZAG
(gnd 1/2)
0° lag
0°
D/z60°
1 DELTA 60° lag
2
ZIG-ZAG
(gnd 1/2)
60° lag
0°
D/z120°
1DELTA
120°
lag
2
ZIG-ZAG
(gnd 1/2)
120° lag
0°
D/z180°
1DELTA
180°
lag
2
ZIG-ZAG
(gnd 1/2)
180° lag
0°
D/z240°
1DELTA
240°
lag
2
ZIG-ZAG
(gnd 1/2)
240° lag
0°
D/z300°
1DELTA
300°
lag
2
ZIG-ZAG
(gnd 1/2)
300° lag
0°
Table 5–1: TRANSFORMER TYPES (Sheet 4 of 26)
TRANSFORMER
TYPE
WDG
#
CONNECTION
VOLTAGE
PHASORS
PHASE
SHIFT