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논문 기본 정보

자료유형
학술저널
저자정보
Wentao Zhang (Harbin Institute of Technology) Yongxiang Xu (Harbin Institute of Technology) Jingwei Ren (Hangzhou Applied Acoustics Research Institute) Jianyong Su (Harbin Institute of Technology) Jibin Zou (Harbin Institute of Technology)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.19 No.6
발행연도
2019.11
수록면
1,515 - 1,526 (12page)

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초록· 키워드

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Ear-piercing high-frequency noise from electromagnetic vibrations in motors has become unacceptable in sensitive environments, due to the application of pulse width modulation (PWM) and in consideration of switching losses. This paper proposed a synchronous periodic frequency modulation (SPFM) method based on the interleaving technique for paralleled three-phase voltage source inverters (VSIs) to eliminate PWM vibration noise. The proposed SPFM technique is able to effectively remove unpleasant high-frequency vibration noise as well as acoustic noise more effectively than the conventional periodic carrier frequency modulation (PCFM) and interleaving technique. It completely eliminates the vibration noise near odd-order carrier frequencies and reduces the PWM vibration noise near even-order carrier frequencies depending on the switching frequency variation range. Furthermore, the SPFM method is simple to implement and does not employ additional circuits in the drive system. Finally, the effectiveness of the proposed method has been confirmed by detailed experimental results.

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Abstract
I. INTRODUCTION
II. INTRODUCTION OF THE PROPOSED METHOD
III. ANALYSIS OF PWM NOISE ELIMINATION
IV. EXPERIMENTAL VALIDATION AND ANALYSIS
V. CONCLUSIONS
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