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Electrical Machines, 2nd Edition by Smarajit Ghosh

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9 Single-phase Motors and Special Machines

Single-phase supply is mainly used for lighting purposes in offices, shops, schools, houses. Besides lighting purposes, it has tremendous uses in our day-to-day life. Domestic applications include mixers, automatic washing machines, electric iron, hair dryers and others. The power rating of these types of machines is very small. These motors are also called fractional kilowatt motors because some of them have rating less than a kilowatt. The aim of this chapter is to introduce the construction, working principle and applications of these motors.

9.1 CLASSIFICATION OF SINGLE-PHASE INDUCTION MOTORS

Fractional kilowatt motors have the following classifications:

  • (i) Single-phase induction motors:(a)Resistance ...

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