A 75KVA, three-phase transformer supplies the following loads initially: capacitor bank ------ 25KVAR Inductive load ----36KW at 0.715 p.f Find the maximum HP of an induction motor at 0.8 power factor and 90% efficiency that may be added to the load without overloading the transformer.

A 75KVA, three-phase transformer supplies the following loads initially: capacitor bank ------ 25KVAR Inductive load ----36KW at 0.715 p.f Find the maximum HP of an induction motor at 0.8 power factor and 90% efficiency that may be added to the load without overloading the transformer.

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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Concept explainers

Three-Phase Transformers

Three-segment transformers are a type of transformer used to transform voltages of electrical systems into three ranges. Two type transformers are shell-type transformer and core type transformer. In brief, it could be described because of the exquisite kinds of configurations.

Transformer

Ever since electricity has been created, people have started using it in its entirety. We see many types of Transformers in the neighborhoods. Some are smaller in size and some are very large. They are used according to their requirements. Many of us have seen the electrical transformer but they do not know what work they are engaged in.

Question

A 75KVA, three-phase transformer
supplies the following loads initially:
capacitor bank ------ 25KVAR
Inductive load ----36KW at 0.715 p.f
Find the maximum HP of an
induction motor at 0.8 power factor
and 90% efficiency that may be
added to the load without
overloading the transformer.

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