Table of Contents
Advertisement
5.2 AUTO-CONFIGURATION
Table 5–1: TRANSFORMER TYPES (SHEET 13 OF 24)
TRANSFORMER
WDG # CONNECTION
TYPE
D/d0°/d0°
1
2
3
D/d0°/d60°
1
2
3
5
D/d0°/d120°
1
2
3
D/d0°/d180°
1
2
3
D/d0°/d240°
1
2
3
5-16
Courtesy of NationalSwitchgear.com
VOLTAGE
PHASE
PHASORS
SHIFT
DELTA
0°
DELTA
0°
0°
DELTA
0°
0°
DELTA
60° lag
DELTA
60° lag
0°
DELTA
0°
60° lag
DELTA
120° lag
DELTA
120° lag
0°
DELTA
0°
120° lag
DELTA
180° lag
DELTA
180° lag
0°
DELTA
0°
180° lag
DELTA
240° lag
DELTA
240° lag
0°
DELTA
0°
240° lag
745 Transformer Management Relay
Table 5–1: TRANSFORMER TYPES (SHEET 14 OF 24)
TRANSFORMER
WDG # CONNECTION
TYPE
D/d0°/d300°
1
DELTA
2
DELTA
0°
3
DELTA
300° lag
D/d0°/y30°
1
DELTA
2
DELTA
0°
3
WYE
(gnd 2/3)
30° lag
D/d0°/y150°
1
DELTA
2
DELTA
0°
3
WYE
(gnd 2/3)
150° lag
D/d0°/y210°
1
DELTA
2
DELTA
0°
3
WYE
(gnd 2/3)
210° lag
D/d0°/y330°
1
DELTA
2
DELTA
0°
3
WYE
(gnd 2/3)
330° lag
5 SETPOINTS
VOLTAGE
PHASE
PHASORS
SHIFT
300° lag
300° lag
0°
0°
0°
330° lag
0°
0°
210° lag
0°
0°
150° lag
0°
0°
30° lag
GE Multilin
Advertisement
Table of Contents
Need help?
Do you have a question about the TRANSFORMER MANAGEMENT RELAY 745 and is the answer not in the manual?
Questions and answers