5
Permanent Magnet Motors
Topics Discussed
- ❖ Types of Permanent Magnets
- ❖ BH Characteristics of Permanent Magnet Materials
- ❖ Effect of Temperature Change
- ❖ Safety Precautions in Handling of Magnets
- ❖ Difference Between BLDC and PMSM
5.1 Introduction
Permanent magnet motors are gaining huge significance in the applications of electric vehicles, lifts, washing machines, etc., in recent times. The major advantages of these types of motors include reduced size (compact), increased torque density, precise and smooth speed control and high power factor. This chapter discusses about the various types of magnetic materials employed in a variety of motor types, their history, characteristics, thermal and mechanical properties. In addition, the ...
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