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Basic Electrical and Electronics Engineering
book

Basic Electrical and Electronics Engineering

by S. K. Bhattacharya
August 2011
Beginner content levelBeginner
724 pages
20h 32m
English
Pearson India
Content preview from Basic Electrical and Electronics Engineering

4

Three-phase System

TOPICS DISCUSSED
  • Advantages of a three-phase system

  • Three-phase windings and their connections

  • Active and reactive power

  • Measurement of power in three-phase circuits

4.1 Introduction

Generation, transmission, and distribution of electricity is done by three-phase electrical networks consisting of generators, transformers, and transmission and distribution lines forming the power system. In a three-phase system we have three independent voltages induced in the three windings of the generator. To understand the difference between a single-phase voltage and a three-phase voltage, let us consider how these voltages are generated in ac generators. We have known that EMF is induced in a coil if it cuts lines of force. In ...

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Publisher Resources

ISBN: 9788131754566