Answered: (a) Compute the stator teeth for each…

(a) Compute the stator teeth for each pole. (b) Compute the pulse rate required to obtain a rotor speed of 4500 rpm. (c) Compute the number of steps required for the shaft to make 8 revolutions.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Concept explainers

Synchronous Motor

The synchronous motor is an AC electric type motor where at a steady-state the shaft rotation is synchronized with the supply current variable-frequency. To an integral number of AC cycles, the rotation period is exactly equal. The stator of the motor in the synchronous motor contains multi-phase AC electromagnets due to which a magnetic field is created that rotates in time with the oscillation of the line current. The rotor contains a permanent magnet and the rotor rotates in synchronization with the stator field at the same rate and provides the second synchronized magnetic field which is rotating in nature as a result. When the synchronous motor is supplied with independently excited multi-phase AC electromagnets on both the rotor and the stator, it is termed as a doubly-fed machine. The most widely used AC-type motors are the synchronous AC motor and the induction AC motors.

Question

A two-phase hybrid stepper motor has 4 main poles with 48 rotor teeth and step angle of 15°
(a) Compute the stator teeth for each pole.
(b) Compute the pulse rate required to obtain a rotor speed of 4500 rpm.
(c) Compute the number of steps required for the shaft to make 8 revolutions.
(d) Produce the truth table for full-step and half-step operations.

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