GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual page 61

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