How to design a simple unipolar drive circuit

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Reference no: EM13227329

A three-phase variable-reluctance stepper motor has the following parameters:

Rw =1

Lw =30 mH (average phase winding inductance)

I=3 A (rated winding current)

Design a simple unipolar drive circuit such that the electrical time constant is 2 msec at phase turn-on and 1 msec at turnoff. The stepping rate is 300 steps per second.

Reference no: EM13227329

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