Determine the fraction of load for which the efficiency is, Chemical Engineering

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Determine the fraction of load for which the efficiency is

A 300-kVA transformer has a core loss of 1.5 kW and a full-load copper loss of 4.5 kW.

(a) Calculate its efficiency corresponding to 25, 50, 75, 100, and 125% loads at unity power factor.

(b) Repeat the efficiency calculations for the 25% load at power factors of 0.8 and 0.6.

(c) Determine the fraction of load for which the efficiency is a maximum, and calculate the corresponding efficiencies for the power factors of unity, 0.8, and 0.6.

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Chemical Engineering: Determine the fraction of load for which the efficiency is

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Chemical Engineering: Determine the fraction of load for which the efficiency is

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