Download This PDF Book: Electric Motors and Drives: Fundamentals, Types and Applications (3rd Edition) by Austin Hughes.
INTRODUCTION
Electric motors are so much a part of everyday life that we seldom give them a second thought. When we switch on an electric drill, for example, we confidently expect it to run rapidly up to the correct speed, and we do not question how it knows what speed to run at, or how it is that once enough energy has been drawn from the supply to bring it up to speed, the power drawn falls to a very low level.
When we put the drill to work it draws more power, and when we finish the power drawn from the mains reduces automatically, without intervention on our part.
The humble motor, consisting of nothing more than an arrangement of copper coils and steel laminations, is clearly rather a clever energy converter, which warrants serious consideration.
By gaining a basic understanding of how the motor works, we will be able to appreciate its potential and its limitations, and (in later chapters) see how its already remarkable performance can be further enhanced by the addition of external electronic controls.
This chapter deals with the basic mechanisms of motor operation, so readers who are already familiar with such matters as magnetic flux, magnetic and electric circuits, torque, and motional e.m.f can probably afford to skim over much of it. In the course of the discussion, however, several very important general principles and guidelines emerge.
These apply to all types of motors and are summarised in Section 1.8. Experience shows that anyone who has a good grasp of these basic principles will be well equipped to weigh the pros and cons of the different types of motor, so all readers are urged to absorb them before tackling other parts of the book
Electric Motors and Drives is intended for non-specialist users of electric motors and drives, filling the gap between theory-based academic textbooks and the more prosaic 'handbooks', which provide useful detail but little opportunity for the development of real insight and understanding.
The book explores all of the widely-used modern types of motor and drive, including conventional and brushless D.C., induction motors and servo drives, providing readers with the knowledge to select the right technology for a given job.
Austin Hughes' approach, using a minimum of maths, has established Electric Motors and Drives as a leading guide for engineers, and the key to a complex subject for a wider readership, including technicians, managers and students
Review
“Very readable, up-to-date and extremely useful to both users and o.e.m. designers. I unhesitatingly recommend it to any busy engineer who needs to make informed judgments about selecting the right drive system.
― Drives and Controls (review of 2e)
Review
Understand the capabilities and limitations of motors and drives with this practical guide for students and professionals
Book Description
Understand the capabilities and limitations of motors and drives with this practical guide for students and professionals
From the Back Cover
Electric Motors and Drives is intended for non-specialist users of electric motors and drives, filling the gap between maths- and theory-based academic textbooks and the more prosaic 'handbooks', which provide useful detail but little opportunity for the development of real insight and understanding.
The book explores all of the widely-used modern types of motor and drive, including conventional and brushless D.C., induction motors and servo drives, providing readers with the knowledge to select the right technology for a given job.
The third edition includes additional diagrams and worked examples throughout. New topics include digital interfacing and control of drives, direct torque control of induction motors and current-fed operation in DC drives. The material on brushless servomotors has also been expanded.
Austin Hughes' approach, using a minimum of maths, has established Electric Motors and Drives as a leading guide for electrical engineers and mechanical engineers, and the key to a complex subject for a wider readership, including technicians, managers and students.
About the Author:
Austin Hughes was a long-time member of the innovative motors and drives research team at the University of Leeds, UK, and has established a reputation for an informal style that opens up complex subjects to a wide readership, including students and managers as well as technicians and engineers.
Contents:
1 electric motors
2 power electronic converters for motor drives
3 conventional D.C. motors
4 D.C. motor drives
5 induction motors – rotating field,slip and torque
6 operating characteristics of induction motors
7 induction motor equivalent circuit
8 inverter-fed induction motor drives
9 stepping motors
10 synchronous, brushless d.c. and switched reluctance drives
11 motor/drive selection
About the book:
Publisher : Newnes; 3rd edition (January 6, 2006)
Language : English
Pages : 432
File: PDF, 9MB
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