This introduction to electrical drives deals with aspects of both DC and AC motors, the dynamics of the drive system, inherent steady state characteristics of DC and AC motors, and the varieties of methods used to modify these characteristics to suit specific requirements. The author discusses the most important transient processes: starting and braking and different methods used to estimate the rating of motors subjected to different load cycles. One chapter is devoted to the increasingly popular thyristor controlled drive. Solved and unsolved problems are provided to illustrate the concepts presented.

A First Course on Electrical Drives

Engineering & Transportation

S K Pillai

Engineering

Wiley Eastern Limited

KEY FEATURES:
 Fundamentals of electrical drives discussed keeping in mind the students of electrical engineering. Dynamics of electrical drives; characteristics of dc and ac motors while starting, running and braking; determination of rating and heating of motors described in detail. Drives used in various industries are discussed in a separate chapter Industrial Applications Solved examples and problems are given at the end of most of the chapters.
 ABOUT THE BOOK: 
 The book acquaints the students with the recent trends in the development of electric motors used as prime movers in electric drive systems. 
 The chapter on Introduction to Solid State Controlled Drives has been expanded to include sections on increasingly used Brushless dc motors and Switched-reluctance motors. 
 A separate chapter on the more commonly used position control drive motors, namely, Stepper Motors has been also incorporated. 
 The drives used in the fast growing petroleum industry have been included in the chapter on Industrial Applications. 
 CONTENTS: 
 Introduction Dynamics of Electrical Drives Characteristics of dc Motors Characteristics of ac Motors Starting Electric Braking Rating and Heating of Motors Introduction to Solid State Controlled Drives Stepper Motors Industrial Applications 
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