The leakage reactance of a 66 kV / 11 kV oil-cooled power transformer with 40 MVA power value is 8% and the transformer has a Y-Y connection. 100 MVA as transformer base power will be put into operation in a network and the base voltage value in the current network is 154 kV. According to this; a) Transformer p.u. Calculate the reactance as. b) Calculate the base impedance value on the HV side of the transformer. c) Calculate the actual impedance value of the transformer to be measured by the HV.
The leakage reactance of a 66 kV / 11 kV oil-cooled power transformer with 40 MVA power value is 8% and the transformer has a Y-Y connection. 100 MVA as transformer base power will be put into operation in a network and the base voltage value in the current network is 154 kV. According to this; a) Transformer p.u. Calculate the reactance as. b) Calculate the base impedance value on the HV side of the transformer. c) Calculate the actual impedance value of the transformer to be measured by the HV.
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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The leakage reactance of a 66 kV / 11 kV oil-cooled power transformer with 40 MVA power value is 8% and the transformer has a Y-Y connection. 100 MVA as transformer base power will be put into operation in a network and the base voltage value in the current network is 154 kV. According to this;
a) Transformer p.u. Calculate the reactance as.
b) Calculate the base impedance value on the HV side of the transformer.
c) Calculate the actual impedance value of the transformer to be measured by the HV.
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