GE Multilin 745 Instruction Manual page 88

745
Transformer Management Relay
5–14
Table 5–1: Transformer Types (Sheet 7 of 24)
Transformer Wdg # Connection Voltage
Type Phasors
Y/d30°/y0° 1 WYE
(gnd 1/2)
2 DELTA
30° lag
3 WYE
(gnd 2/3)
0°
Y/d30°/ 1 WYE
y180° (gnd 1/2)
2 DELTA
30° lag
3 WYE
(gnd 2/3)
180° lag
Y/d30°/ 1 WYE
d30° (gnd 1/2)
2 DELTA
30° lag
3 DELTA
30° lag
Y/d30°/ 1 WYE
d150° (gnd 1/2)
2 DELTA
30° lag
3 DELTA
150° lag
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Table 5–1: Transformer Types (Sheet 8 of 24)
Phase Transformer Wdg # Connection Voltage
Shift Type
30° Y/d30°/ 1
lag d210°
0° 2
30° 3
lag
30°
Y/d30°/ 1
lag
d330°
0°
2
210°
3
lag
30°
Y/d150°/ 1
lag
y0°
0°
2
0°
3
30°
Y/d150°/ 1
lag
y180°
0°
2
240°
3
lag
Auto-Configuration
Phase
Phasors Shift
WYE 30°
(gnd 1/2) lag
DELTA 0°
30° lag
DELTA 180°
210° lag lag
WYE 30°
(gnd 1/2) lag
DELTA 0°
30° lag
DELTA 60°
330° lag lag
WYE 150°
(gnd 1/2) lag
DELTA 0°
150° lag
WYE 150°
(gnd 2/3) lag
0°
WYE 150°
(gnd 1/2) lag
DELTA 0°
150° lag
WYE 330°
(gnd 2/3) lag
180° lag
GE Multilin