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Electric Motor Control
DC, AC, and BLDC Motors
Sang-Hoon Kim
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- 438 pages
- English
- ePUB (mobile friendly)
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eBook - ePub
Electric Motor Control
DC, AC, and BLDC Motors
Sang-Hoon Kim
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About This Book
Electric Motor Control: DC, AC, and BLDC Motors introduces 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's, robotics, industrial machinery and other commercial applications.
The book provides engineers with drive techniques that will help them develop motor drive system for their applications.
- Includes practical solutions and control techniques for industrial motor drive applications currently in use
- Contains MATLAB/Simulink simulation files
- Enables engineers to understand the applications and advantages of electric motor drive systems
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Chapter 1
Fundamentals of electric motors
Abstract
The main objective of this chapter is to introduce the fundamental operating principle needed to understand the rotation of electric motors along with their basic structure. This chapter first explores in detail what the fundamental principle for a continuous rotation of electric motors is. Afterward, it describes how this fundamental operating principle is achieved in the three existing typical motors, which are direct current motor and alternating current motors of a synchronous motor and an induction motor. By comparing their method for achieving this fundamental principle, the difference among the typical motors is identified. In the course of this study, the background knowledge for magnetic and electric system is introduced to help the understanding of this fundamental principle of the electric motors. Lastly, a composition of the motor drive system is examined. The characteristics of a load driven by a motor and its mathematical modeling are also introduced.
Keywords
Classification of electric motors; fundamental rotation principle; rotating machine; load modeling; motor drive system
A moving object that has either a linear motion or rotary motion is powered by a prime mover. A prime mover is an equipment that produces mechanical power by using thermal power, electricity, hydraulic power, steam, gas, etc. Examples of the prime mover include a gas turbine, an internal combustion engine, and an electric motor. Among these, the electric motors have recently become one of the most important prime movers and their use is increasing rapidly. Nearly 70% of all the electricity used in the current industry is used to produce electric power in the motor-driven system [1].
Electric motors can be classified into two different kinds according to the type of the power source used as shown in Fig. 1.1: direct current (DC) motor and alt...