GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual page 65

5 SETPOINTS
Table 5–1: TRANSFORMER TYPES (Sheet 11 of 26)
TRANSFORMER WDG
CONNECTION
TYPE #
WYE
1
(gnd 1/2)
DELTA
Y/d210°/
2
210° lag
d150°
DELTA
3
150° lag
WYE
1
(gnd 1/2)
DELTA
Y/d210°/
2
210° lag
d210°
DELTA
3
210° lag
WYE
1
(gnd 1/2)
DELTA
Y/d210°/
2
210° lag
d330°
DELTA
3
330° lag
WYE
1
(gnd 1/2)
DELTA
Y/d330°/y0° 2
330° lag
WYE
3 (gnd 2/3)
0°
GE Power Management
Table 5–1: TRANSFORMER TYPES (Sheet 12 of 26)
VOLTAGE PHASE TRANSFORMER
PHASORS SHIFT
210°
lag
0°
60° lag
210°
lag
Y/d330°/d30°
0°
0°
210°
lag
0°
240°
lag
330°
lag
0°
330°
lag
745 Transformer Management Relay
5.2 AUTO-CONFIGURATION
WDG
CONNECTION
TYPE #
WYE
1
(gnd 1/2)
Y/d330°/ DELTA
2
y180° 330° lag
WYE
3 (gnd 2/3)
180° lag
WYE
1
(gnd 1/2)
DELTA
2
330° lag
DELTA
3
30° lag
WYE
1
(gnd 1/2)
DELTA
Y/d330°/
2
330° lag
d150°
DELTA
3
150° lag
WYE
1
(gnd 1/2)
DELTA
Y/d330°/
2
330° lag
d210°
DELTA
3
210° lag
VOLTAGE PHASE
PHASORS SHIFT
330°
lag
0°
150°
lag
330°
lag
0°
300°
lag
5
330°
lag
0°
180°
lag
330°
lag
0°
120°
lag
5-15