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논문 기본 정보

자료유형
학술대회자료
저자정보
Nejat Saed (Graz University of Technology) Shahin Asgari (Graz University of Technology) Annette Muetze (Graz University of Technology)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2023-ECCE Asia
발행연도
2023.5
수록면
142 - 147 (6page)

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초록· 키워드

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In automotive auxiliary applications, where cost is typically the primary design criterion for mass-produced fractional horsepower drives, single-phase BLDC machines are usually preferred over their three-phase counterparts. These small drives are barely audible compared to the main drive system in automotive applications. However, single-phase BLDC machines have an inherently high vibration, which may excite nearby structures or components to produce noise. This study compares the vibration performance of single-phase claw-pole BLDC machines with different claw geometries using simulations and experiments. Along with the conventional rectangular claw shape, two well-known strategies for reducing noise and vibration by modifying the stator’s claw geometry are compared. Moreover, the trapezoidal claw shape, which is more common in claw-pole stepper motors and alternators, is analyzed. Results of finite dement analysis and experimental investigations indicate that, although skewing the claws could be a practical approach to mitigate the vibration, a trapezoidal claw shape can significantly reduce the vibration of these machines.

목차

Abstract
Ⅰ. INTRODUCTION
Ⅱ. FINITE ELEMENT ANALYSES
Ⅲ. EXPERIMENTAL INVESTIGATIONS
Ⅳ. CONCLUSION
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