Find the percentage regulation and power efficiency

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Reference no: EM131025905

A 60-Hz 20-kVA 8000/240-V-rms transformer has the following equivalent-circuit parameters:

Primary resistance	R1	15Ω
Secondary resistance	R2	0.02Ω
Primary leakage reactance	X1 = ωL1	120Ω
Secondary leakage reactance	X2 =ω L2	0.15Ω
Magnetizing reactance	Xm = ωLm	30kΩ
Core-loss resistance	Rc	200kΩ

Find the percentage regulation and power efficiency for the transformer for a rated load having a lagging power factor of 0.8.

Reference no: EM131025905

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