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Question: a 230 kv line is fed through 33230kv transformer from...

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A 230 kV line is fed through 33/230kV transformer from a constant 33kV supply. A single line diagram of the 3-phase system is shown below V. V. Z- (30 +j60)2 1:ts The impedance of the line and transformer at 230 kV is (30 +j60)0 Both the transformers are equipped with tap changing facilities which are so arranged that the product of the nominal settings is unity. If the load on the system is 120MW at 0.9 p.f determine the settings of the tap changers required to maintain the voltage of the load bus bar at 33kV.

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