NDLI: Acoustic Noise/Vibration Reduction of a Single-Phase SRM Using Skewed Stator and Rotor

Content Provider	IEEE Xplore Digital Library
Author	Hyong-Yeol Yang Young-Cheol Lim Hyun-Chul Kim
Copyright Year	1982
Abstract	This paper presents a single-phase switched reluctance motor (SRM) with skewed stator and rotor so that the acoustic noise and vibration have been significantly reduced. The motor has the same skew angle for both stator and rotor laminations. The main source of acoustic noise and vibration is the rapid change of radial magnetic force along the air gap between the stator and rotor poles. Since the radial force (RF) is most intensified on the stator yoke near the salient poles, the abrupt change of the RF can be mitigated by skewing the stator and/or rotor laminations. Therefore, the RF can be more distributed throughout the stator core, and in turn, the peak value of the RF is reduced. In this paper, the distribution of the RF with respect to the skew angles is analyzed through the finite-element method simulation to design a single-phase SRM with the significantly reduced vibration and noise. Based on the simulation results, prototype motors with three different skew angles (0°, 30°, and 64°) have been constructed and tested, validating that the proposed design is effective in mitigating acoustic noise and vibration.
Sponsorship	IEEE Industrial Electronics Society
Starting Page	4292
Ending Page	4300
Page Count	9
File Size	2149440
File Format	PDF
ISSN	02780046
Volume Number	60
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Force Stators Reluctance motors Rotors Vibrations Acoustic noise vibration reduction noise reduction radial force (RF) single-phase switched reluctance motor (SRM) skew SRM
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering Computer Science Applications

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