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논문 기본 정보

자료유형
학술대회자료
저자정보
Junya Huo (Harbin Institute of Technology) Hanlin Zhan (Guangdong Midea Air-Conditioning Equipment) Gaolin Wang (Harbin Institute of Technology) Nannan Zhao (Harbin Institute of Technology) Dawei Ding (Harbin Institute of Technology) Lianghong Zhu (Harbin Institute of Technology) Dianguo Xu (Harbin Institute of Technology)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2019-ECCE Asia
발행연도
2019.5
수록면
563 - 568 (6page)

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초록· 키워드

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In the electrolytic capacitor-less PMSM drives, the LC resonance between small film capacitor in the DC bus and the inductance in the grid side is analyzed in this paper. Since the electrolytic capacitor is replaced by a small film capacitor in the DC bus, the LC resonance phenomena cannot be neglected, which will result in the underdamping characteristics of the electrolytic capacitor-less motor drives. Hence, the detailed model is established to reveal the resonance mechanism. Based on the model, a current harmonics suppression strategy is also proposed. The proposed control strategy can improve the power factor and reduce the current harmonics in the grid side. In addition, it can improve the system efficiency and enhance the stability of the drives. The proposed method is experimentally validated on an electrolytic capacitor-less PMSM drive applied in 1.5 HP variable frequency air-conditioner.

목차

Abstract
I. INTRODUCTION
II. CONTROL STRATEGY OF ELECTROLYTIC CAPACITORLESSPMSM DRIVES
III. LC RESONANCE ANALYSIS OF ELECTROLYTIC CAPACITOR-LESS PMSM DRIVES
IV. CURRENT CONTROL STRATEGY OF ELECTROLYTICCAPACITOR-LESS PMSM DRIVES
V. EXPERIMENTAL VALIDATION
VI. CONCLUSIONS
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