Transcription of CHAPTER-2 Principle-Operation-Applications of Different ...
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10 CHAPTER-2 Principle-Operation-Applications of Different stepper Motors and Significance of Permanent Magnet Hybrid stepper motor Introduction stepper motor is defined [1] as a brushless dc motor whose rotor rotates in discrete angular increments when its stator windings are energized in a programmed manner. Rotation occurs because of magnetic interaction between rotor poles and poles of the sequentially energized stator windings. The rotor has no electrical windings, but has salient and / or magnetized poles.
Stepper motors are used in a wide variety of applications in industry, including computer peripherals, business machines, solar array tracking system, motion control and robotics [2] which are included in process control and machine tool applications.
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