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논문 기본 정보

자료유형
학술대회자료
저자정보
Shuang Xu (North China University of Technology) Ling Pang (North China University of Technology) Jinghua Zhou (North China University of Technology) Liuchen Chang (University of New Brunswick)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2023-ECCE Asia
발행연도
2023.5
수록면
167 - 172 (6page)

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초록· 키워드

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Two-level single-phase bridge inverters are widely used in distributed energy systems due to its topological symmetry and ease of modulation. The harmonic contents of modulated output waves are critical performance index in quantitatively determining the superiority or inferiority of a modulation strategy and in optimizing the modulation and filter parameters. For past decades, harmonic analyses on sinusoidal pulse width modulated (SPWM) waves of single-phase bridge inverters are mostly based on the double Fourier series representation, which is on the premise that SPWM wave is a two-dimensional periodic function of two variables with different frequencies. However, this premise is more tenable for pulse amplitude modulation (PAM) than for SPWM, since PAM is the product of a line-frequency sine wave and a carrier-frequency rectangular wave, whereas SPWM wave is the compared result of a line-frequency sine wave and a carrier-frequency triangular wave. This paper studies the double Fourier series representation of SPWM wave from double Fourier integral essence, develops a harmonic analysis method for SPWM wave with the aid of fast Fourier transform (FFT), correlates the harmonic spectra of PAM and SPWM, and finally, further analyzes the feasibility of double Fourier series on SPWM wave.

목차

Ⅰ. INTRODUCTION
Ⅱ. ESSENCE OF EXISTING TENTATIVE EXPLANATIONS
Ⅲ. DOUBLE FOURIER SERIES OF PAM
Ⅳ. HARMONIC DISTRIBUTION OF UNIPOLAR SPWM
Ⅴ. SIMULATION RESULTS
Ⅵ. CONCLUSION
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