A single-phase transformer of 3 kVA, 60 Hz, has a voltage ratio on open circuit of...

A single-phase transformer of 3 kVA, 60 Hz, has a voltage ratio on open circuit of 240 / 120 V. The primary and secondary resistances are 0.25 Ω and 0.05 Ω respectively, the corresponding leakage reactance being 0.75 Ω and 0.18 Ω. The transformer delivers current to the load at a 0.9 power factor lagging.

Determine the voltage across the load.
Determine the power dissipated by the load.
Determine percentage voltage regulation referred to the secondary side.

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Expert Solution

Manojponduru answered 11 months ago

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