GE Multilin 345 - Page 145

CHAPTER 6: SETPOINTS S2 SYSTEM SETUP
345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 6–29
Table 6-1: Transformer types
Transformer
Type
Wdg. Connection Voltage
Phasors
Phase
Shift
(Φ
comp
)
Transformer
Type
Wdg. Connection Voltage
Phasors
Phase
Shift
(Φ
comp
)
2W External
Correction
1 WYE (gnd 1/2) 0° Y/y0° 1 WYE (gnd 1/2) 0°
2 WYE (gnd 2/3) 0° 0° 2 WYE (gnd 2/3) 0° 0°
Y/y180° 1 WYE (gnd 1/2) 180° lag Y/d30° 1 WYE (gnd 1/2) 30° lag
2 WYE (gnd 2/3) 180°
lag
0° 2 DELTA (gnd 2/3)
30° lag
0°
Y/d150° 1 WYE (gnd 1/2) 150° lag Y/d210° 1 WYE (gnd 1/2) 210° lag
2 DELTA (gnd 2/3)
150° lag
0° 2 DELTA (gnd 2/3)
210° lag
0°
Y/d330° 1 WYE (gnd 1/2) 330° lag D/d0° 1 DELTA (gnd 1/2) 0°
2 DELTA (gnd 2/3)
330° lag
0° 2 DELTA (gnd 2/3) 0° 0°
D/d60° 1 DELTA (gnd 1/2) 60° lag D/d120° 1 DELTA (gnd 1/2) 120° lag
2 DELTA (gnd 2/3)
60° lag
0° 2 DELTA (gnd 2/3)
120° lag
0°