A transformer rated for 5 kVA, 400 V/200 V, 50 Hz, has a leakage imped – McqOptions

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1.	A transformer rated for 5 kVA, 400 V/200 V, 50 Hz, has a leakage impedance of z = r + jx referred to HV side. Its voltage regulation at full load will be maximum at a power factor of:
A.	r/z leading
B.	r/x lagging
C.	x/z leading
D.	r/z lagging
Answer» E.

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