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 conWdently 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 Wnish 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.
Electric Motor Control: DC, AC, and BLDC Motors introduce practical drive techniques of electric motors. to enable stable and efficient control of many application systems, also covering basic principles of high-performance motor control techniques, driving methods, control theories and power converters.
Electric motor drive systems play a critical role in home appliances, motor vehicles, robotics, aerospace and transportation, heating ventilating and cooling equipment, robotics, industrial machinery, and other commercial applications.
The book provides engineers with drive techniques that will help them develop motor drive systems for their applications
Chapter 1, Fundamentals of electric motors, introduces the fundamental operating principle needed to understand electric motors and describes clear differences among the motors by comparing their operating principles.
Chapter 2, Control of direct current motors, describes DC motors, which used to be the typical motor for speed control and torque control, and the concept.
Chapters 4 – 8 discuss the high-performance motor control systems of AC
motors for industrial motor drive applications
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