Transformer Circulating Current Calculation 52165n

System Voltage Transformer Manufacturer Year of manufacturer Type Vector Group Rated Nominal Voltage Rated MVA Cooling Tapping Impedance at Nominal Tap 13 Impedance at Nominal Tap 01 Impedance at Nominal Tap 25 Full load secondary current Voltage at Tap 1 Voltage at Tap 25 Transformer 1 Impedance Transformer 2 Impedance Secondary Impedance of Transformer 01 Secondary Impedance of Transformer 02 ZL1 ZL2 Total Circulating current for 25 Tap DIffrence Total Circulating current for 1 Tap DIffrence Percentage Load for Each Tap Diffrence Primary Current of Transformer -01 Primary Current of Transformer -01 Primary Voltage of Transformer-01 Primary Voltage of Transformer-02 Secondary Voltage of Transformer-01 Secondary Voltage of Transformer-02 KV Voltage Diffrence for 25 Tap Diffrence KV Voltage Diffrence for 1 Tap Diffrence Volts % of Secondary Voltage

Capital Garden SS 132 11.5

Zayed 2nd E11 132 11.5

ABB

SCHORCH

1997

1995

PDOR 40000/145

TC22468

YNyn0 d11

YNyn0 d11

132kV/11.5kV

132kV/11.5kV

40/35 MVA for 132/11.5KV and ONAN/ONAF

40/31.5 MVA for 132/11.5KV and ONAN/ONAF

+/-15 % in Steps of 1.25 %

+/-15 % in Steps of 1.25 %

19.10%

17.90%

20.80%

19.60%

17.70%

16.60%

2008.23 151.80 112.20 20.80 20.80

2008.23 151.80 112.20 19.60 19.60

0.69 0.69 0.01 0.01 1464.29 58.57 2.92

0.65 0.65 0.01 0.01 1552.83 62.11 3.09

110.93 150.08 131.8 131.7 8.24 13.43 5.19 207.67 1.81

117.64 159.16