GE TRANSFORMER MANAGEMENT RELAY 745 Instruction Manual page 65

5 SETPOINTS
Table 5–1: TRANSFORMER TYPES (SHEET 11 OF 24)
TRANSFORMER WDG # CONNECTION
TYPE
Y/d210°/d210° 1
2
3
Y/d210°/d330° 1
2
3
Y/d330°/y0° 1
2
3
Y/d330°/y180° 1
2
3
GE Multilin
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VOLTAGE PHASE
PHASORS SHIFT
WYE 210° lag
(gnd 1/2)
DELTA 0°
210° lag
DELTA 0°
210° lag
WYE 210° lag
(gnd 1/2)
DELTA 0°
210° lag
DELTA 240° lag
330° lag
WYE 330° lag
(gnd 1/2)
DELTA 0°
330° lag
WYE 330° lag
(gnd 2/3)
0°
WYE 330° lag
(gnd 1/2)
DELTA 0°
330° lag
WYE 150° lag
(gnd 2/3)
180° lag
745 Transformer Management Relay
5.2 AUTO-CONFIGURATION
Table 5–1: TRANSFORMER TYPES (SHEET 12 OF 24)
TRANSFORMER WDG # CONNECTION
TYPE
Y/d330°/d30° 1 WYE
(gnd 1/2)
2 DELTA
330° lag
3 DELTA
30° lag
Y/d330°/d150° 1 WYE
(gnd 1/2)
2 DELTA
330° lag
3 DELTA
150° lag
Y/d330°/d210° 1 WYE
(gnd 1/2)
2 DELTA
330° lag
3 DELTA
210° lag
Y/d330°/d330° 1 WYE
(gnd 1/2)
2 DELTA
330° lag
3 DELTA
330° lag
VOLTAGE PHASE
PHASORS SHIFT
330° lag
0°
300° lag
330° lag
0°
180° lag
5
330° lag
0°
120° lag
330° lag
0°
0°
5-15