Author

Rajeev Vyas

Publication Date

1990

Document Type

Dissertation/Thesis

First Advisor

Bosack, Donald J.

Degree Name

M.S. (Master of Science)

Department

Department of Electrical Engineering

LCSH

Electric motors, Alternating current||Reluctance motors

Abstract

One of the methods used in a.c. motors for preventing undesirable pulsations of the reluctance is to skew the slots relative to the pole faces. In the case of variable reluctance motors, the torque ripple is the major factor which produces vibrations and noisy operation. Sometimes the magnitude of these vibrations can be large enough to cause bending of the rotor shaft. Therefore, the magnitude of the torque ripple should be reduced in order to minimize vibration. In this study, the author investigates the effect of skew as one remedy for the torque ripple problem, provides analysis for skewing the rotor, and highlights the effect of skew on the magnitude of the torque ripple and the average torque of a fractional horse power VRM.

Comments

Includes bibliographical references (pages [94]-95)

Extent

xii, 110 pages

Language

eng

Publisher

Northern Illinois University

Rights Statement

In Copyright

Rights Statement 2

NIU theses are protected by copyright. They may be viewed from Huskie Commons for any purpose, but reproduction or distribution in any format is prohibited without the written permission of the authors.

Media Type

Text

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