Question

A 100 kVA, 6.6 kV/415 V single-phase transformer has an effective impedance referred to as primary is (3+j8) ohm.  Estimate the voltage regulation at 0.8 power factor lagging and leading​

Answer 1

Zol 3+j8r voltage regulation at 0.8pf lag & o. ... A 100 kVA, 6.6kV/415V, single phase transformer has an effective impedance of (3+8j) 

Answer 2

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