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Which of the following phase switching sequence represents half-step operation of a VR stepper motor ?

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Which of the following phase switching sequence represents half-step operation of a VR stepper motor ?

(a) A, B, C,A……..

(b) A, C, B,A…….

(c) AB, BC, CA, AB……..

(d) A, AB, B, BC……..

The question was asked in final exam.

Enquiry is from Stepper Motors topic in division Control System and Components of Control Systems

1 Answer

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Correct option is (d) A, AB, B, BC……..

The explanation is: In the half step operation of a Variable reluctance motor physical step resolution is multiplied by 2 and control signals appear to be digital rather than analog.

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