GE 745 - Page 110

5–14 745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
AUTO-CONFIGURATION CHAPTER 5: SETPOINTS
D/y150° 1 DELTA
(gnd 1/2)
0° D/y210° 1 DELTA
(gnd 1/2)
0°
2WYE
(gnd 2/3)
150° lag
210°
lag
2WYE
(gnd 2/3)
210° lag
150°
lag
D/y330° 1 DELTA
(gnd 1/2)
0° Y/z30° 1 WYE
(gnd 1/2)
30° lag
2WYE
(gnd 2/3)
330° lag
30° lag 2 ZIG-ZAG
(gnd 2/3)
30° lag
0°
Y/z150° 1 WYE
(gnd 1/2)
150°
lag
Y/z210° 1 WYE
(gnd 1/2)
210°
lag
2ZIG-ZAG
(gnd 2/3)
150° lag
0° 2 ZIG-ZAG
(gnd 2/3)
210° lag
0°
Y/z330° 1 WYE
(gnd 1/2)
330°
lag
D/z0° 1 DELTA
(gnd 1/2)
0°
2ZIG-ZAG
(gnd 2/3)
330° lag
0° 2 ZIG-ZAG
(gnd 2/3)
0° lag
0°
D/z60° 1 DELTA
(gnd 1/2)
60° lag D/z120° 1 DELTA
(gnd 1/2)
120°
lag
2ZIG-ZAG
(gnd 2/3)
60° lag
0° 2 ZIG-ZAG
(gnd 2/3)
120° lag
0°
D/z180° 1 DELTA
(gnd 1/2)
180° lag D/z240° 1 DELTA
(gnd 1/2)
240°
lag
2ZIG-ZAG
(gnd 2/3)
180° lag
0° 2 ZIG-ZAG
(gnd 2/3)
240° lag
0°
D/z300° 1 DELTA
(gnd 1/2)
300°
lag
3W External
Correction
1WYE 0°
2ZIG-ZAG
(gnd 2/3)
300° lag
0° 2 WYE
0°
0°
3WYE
0°
0°
Table 5–1: Transformer types (Sheet 2 of 11)
Transformer
type
Wdg. Connection Voltage
phasors
Phase
shift
Transformer
type
Wdg. Connection Voltage
phasors
Phase
shift