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논문 기본 정보

자료유형
학술저널
저자정보
Baihua Zhang (Kyushu University) Qiang Lin (Kyushu University) Jun Imaoka (Nagoya University) Masahito Shoyama (Kyushu University) Satoshi Tomioka (TDK-Lambda) Eiji Takegami (TDK-Lambda)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.19 No.1
발행연도
2019.1
수록면
278 - 287 (10page)

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초록· 키워드

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In this study, a zero-crossing spike current issue in a totem-pole bridgeless power factor correction (PFC) converter is comprehensively investigated for the first time. Spike current occurs when input voltage crosses zero, becomes a noise source, and causes severe common mode emission issues. A generation mechanism for electromagnetic interference (EMI) is presented to investigate the EMI problem caused by zero-crossing issue, and a noise spectrum due to this issue is predicted by a theoretical analysis based on the Fourier coefficient of an approximate spike current waveform. Furthermore, a noise reduction method is proposed and then improved to reduce the spike current. Experimental measurements are implemented on a GaN-based totem-pole bridgeless PFC converter, and the spike current can be effectively suppressed through the proposed method. Furthermore, the noise spectrums measured without and with the reduced zero-crossing spike current are compared. Experimental results validate the analysis of the noise spectrum caused by the zero-crossing spike current issue.

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Abstract
Ⅰ. INTRODUCTION
Ⅱ. ANALYSIS OF THE ZERO-CROSSING NOISE ISSUE
Ⅲ. ANALYSIS OF THE ZERO-CROSSING NOISE SPECTRUM
Ⅳ. NOISE REDUCTION METHOD
Ⅴ. CONCLUSIONS
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