GE TRANSFORMER MANAGEMENT RELAY 745 Instruction Manual page 62

5.2 AUTO-CONFIGURATION
Table 5–1: TRANSFORMER TYPES (SHEET 5 OF 24)
TRANSFORMER WDG # CONNECTION
TYPE
Y/y0°/d30° 1
2
3
Y/y0°/d150° 1
2
3
5
Y/y0°/d210° 1
2
3
Y/y0°/d330° 1
2
3
5-12
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VOLTAGE PHASE
PHASORS SHIFT
WYE 30°
(gnd 1/2) lag
WYE 30°
(gnd 2/3) lag
0°
DELTA 0°
30° lag
WYE 150°
(gnd 1/2) lag
WYE 150°
(gnd 2/3) lag
0°
DELTA 0°
150° lag
WYE 210°
(gnd 1/2) lag
WYE 210°
(gnd 2/3) lag
0°
DELTA 0°
210° lag
WYE 330°
(gnd 1/2) lag
WYE 330°
(gnd 2/3) lag
0°
DELTA 0°
330° lag
745 Transformer Management Relay
Table 5–1: TRANSFORMER TYPES (SHEET 6 OF 24)
TRANSFORMER WDG # CONNECTION
TYPE
Y/y180°/d30° 1 WYE
(gnd 1/2)
2 WYE
(gnd 2/3)
180° lag
3 DELTA
30° lag
Y/y180°/d150° 1 WYE
(gnd 1/2)
2 WYE
(gnd 2/3)
180° lag
3 DELTA
150° lag
Y/y180°/d210° 1 WYE
(gnd 1/2)
2 WYE
(gnd 2/3)
180° lag
3 DELTA
210° lag
Y/y180°/d330° 1 WYE
(gnd 1/2)
2 WYE
(gnd 2/3)
180° lag
3 DELTA
330° lag
5 SETPOINTS
VOLTAGE PHASE
PHASORS SHIFT
30°
lag
210°
lag
0°
150°
lag
330°
lag
0°
210°
lag
30°
lag
0°
330°
lag
150°
lag
0°
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