Question: A 1 5 KVA, 6 7 5 2 7 0 - V , 6 0 H z , single - phase conventional transformer is supplying

A 15KVA,675270-V,60Hz, single-phase conventional transformer is supplying 10 KW power to a load at 0.9 Lagging power factor, and a load voltage of 270 Volts.
If Is=41.15L-25.84 Amperes and Vs=270LO Volts, Calculate the following:
The Voltage Regulation is: %VR =%.
The output power Pout= Watt.
The Copper Losses Pcu= Watt.
The Core Losses Watt.
The efficiency of the transformer is %=%.
A 1 5 KVA, 6 7 5 2 7 0 - V , 6 0 H z , single -

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