1. Two single-phase transformers A and B of equal voltage ratio are running in parallel and supplying a load requiring 500 A at 0.8 power factor lagging at a terminal voltage of 400 V. The equivalent impedances of the transformers, as referred to secondary windings, are (2 +j3) and (2.5 + j5) ohm. Calculate the current supplied by each transformer. (Note. The student is advised to try by arithmetic method also). [I = 304 A ; I = 197 A] %3D

1. Two single-phase transformers A and B of equal voltage ratio are running in parallel and supplying a load requiring 500 A at 0.8 power factor lagging at a terminal voltage of 400 V. The equivalent impedances of the transformers, as referred to secondary windings, are (2 +j3) and (2.5 + j5) ohm. Calculate the current supplied by each transformer. (Note. The student is advised to try by arithmetic method also). [I = 304 A ; I = 197 A] %3D

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

Tutorial Problems 32.6
1. Two single-phase transformers A and B of equal voltage ratio are running in parallel and supplying a
load requiring 500 A at 0.8 power factor lagging at a terminal voltage of 400 V. The equivalent
impedances of the transformers, as referred to secondary windings, are (2 +j3) and (2.5 + j5) ohm.
Calculate the current supplied by each transformer.
(Note. The student is advised to try by arithmetic method also).
[I = 304 A ; I = 197 A]
2. Two single-phase transformers A and B are operating in parallel and supplying a common load of
1000 kVA at 0.8 p.f. lagging. The data regarding the transformers is as follows :

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