A Transformer with 10:1 ratio and rated at 50-kVA, 2400/240-V, 50-Hz is used to step down the voltage of a distribution system. The low-tension voltage is to be kept constant, if the transformer has: R = 2.2 0, R2 = 0.014 Q, X, = 4.1 0, X2 = 0.03 0, then, a. What load impedance connected to low-tension side will be loading the transformer fully. b. Calculate the equivalent resistance as referred to primary. c. Calculate the equivalent reactance as referred to primary. d. Calculate the equivalent impedance as referred to primary. e. Calculate the total Cu loss. UndoDoneA Transformer with 10:1 ratio and rated at 50-kVA, 2400/240-V, 50-Hz is used to step down the voltageof a distribution system. The low-tension voltage is to be kept constant, if the transformer has:R = 2.2 0, R2 = 0.014 Q, X, = 4.1 0, X2 = 0.03 0, then,a. What load impedance connected to low-tension side will be loading the transformer fully.b. Calculate the equivalent resistance as referred to primary.c. Calculate the equivalent reactance as referred to primary.d. Calculate the equivalent impedance as referred to primary.e. Calculate the total Cu loss.

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Answered: A Transformer with 10:1 ratio and rated…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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A Transformer with 10:1 ratio and rated at 50-kVA, 2400/240-V, 50-Hz is used to step down the voltage of a distribution system. The low-tension voltage is to be kept constant, if the transformer has: R = 2.2 0, R2 = 0.014 Q, X, = 4.1 0, X2 = 0.03 0, then, a. What load impedance connected to low-tension side will be loading the transformer fully. b. Calculate the equivalent resistance as referred to primary. c. Calculate the equivalent reactance as referred to primary. d. Calculate the equivalent impedance as referred to primary. e. Calculate the total Cu loss.

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A Transformer with 10:1 ratio and rated at 50-kVA, 2400/240-V, 50-Hz is used to step down the voltage
of a distribution system. The low-tension voltage is to be kept constant, if the transformer has:
R = 2.2 0, R2 = 0.014 Q, X, = 4.1 0, X2 = 0.03 0, then,
a. What load impedance connected to low-tension side will be loading the transformer fully.
b. Calculate the equivalent resistance as referred to primary.
c. Calculate the equivalent reactance as referred to primary.
d. Calculate the equivalent impedance as referred to primary.
e. Calculate the total Cu loss.

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