Question

A single phase transformer rated at 3000 KVA, 69kV, 60 Hz has a total internal impedance...

A single phase transformer rated at 3000 KVA, 69kV, 60 Hz has a total internal impedance Zp of 127ohm, referred to the primary side.

Calculate:

a) primary and secondary currents

b) voltage regulation from no load to full load for 2000 kW resistive load, knowing that the primary voltage supply is fixed at 69 kV.

c) primary and secondary currents if the secondary is accidentally short circuited.

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Homework Answers

Answer #1

To solve the above question, the voltage of secondary winding must be given. So,

Follow the same procedure if any correction happen in secondary voltage.

Thank you...!!

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