E3: The fllowing resuHswere obtainedona 30KVA300 0/11ov transformerO.C. test: 3a00 VS.C. test0.5 A350W150V10A500WCalculate the efficiency of the transformerat(a) fullloado.8 P.fCb) half-loadunity P.fAlso Caleulate the KVA output at whichthe efficiency is maximum

The equation for the efficiency from SC and OC test is given as

Answered: E3: The followiny results were obtained…

Engineering

Electrical Engineering

E3: The followiny results were obtained on a 3.kVA 3000/11oV transform /1lov transformer

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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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

E3: The fllowing resuHs
were obtained
on
a 30KVA
300 0/11ov transformer
O.C. test: 3a00 V
S.C. test
0.5 A
350W
150V
10A
500W
Calculate the efficiency of the transformer
at
(a) full
load
o.8 P.f
Cb) half-load
unity P.f
Also Caleulate the KVA output at which
the efficiency is maximum

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