A single-phase, (50-mathrm{kVA}, 2400 / 240-mathrm{V}, 60-mathrm{Hz}) distribution transformer has the following parameters: Resistance of the (2400-mathrm{V})

Question:

A single-phase, \(50-\mathrm{kVA}, 2400 / 240-\mathrm{V}, 60-\mathrm{Hz}\) distribution transformer has the following parameters:

Resistance of the \(2400-\mathrm{V}\) winding: \(\mathrm{R}_{1}=0.75 \Omega\)

Resistance of the \(240-\mathrm{V}\) winding: \(\mathrm{R}_{2}=0.0075 \Omega\)

Leakage reactance of the \(2400-\mathrm{V}\) winding: \(\mathrm{X}_{1}=1.0 \Omega\)

Leakage reactance of the \(240-\mathrm{V}\) winding: \(\mathrm{X}_{2}=0.01 \Omega\)

Exciting admittance on the \(240-\mathrm{V}\) side \(=0.003-j 0.02 \mathrm{~S}\)

(a) Draw the equivalent circuit referred to the high-voltage side of the transformer.

(b) Draw the equivalent circuit referred to the low-voltage side of the transformer. Show the numerical values of impedances on the equivalent circuits.

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Related Book For  answer-question

Power System Analysis And Design

ISBN: 9781305632134

6th Edition

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

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