A single-phase 100-kVA, 2400/240-volt, $60-mathrm{Hz}$ distribution transformer is used as a step-down transformer. The load, which is

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A single-phase 100-kVA, 2400/240-volt, $60-\mathrm{Hz}$ distribution transformer is used as a step-down transformer. The load, which is connected to the 240 -volt secondary winding, absorbs $80 \mathrm{kVA}$ at 0.8 power factor lagging and is at 230 volts. Assuming an ideal transformer, calculate the following: (a) primary voltage, (b) load impedance, (c) load impedance referred to the primary, and (d) the real and reactive power supplied to the primary winding.

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Power System Analysis And Design

ISBN: 9781111425777

5th Edition

Authors: J Duncan Glover, Mulukutla S Sarma, Thomas Overbye

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