Analysis of High-Frequency Common Mode Component Characteristics of Common Mode Peak Voltage Suppression Method for Indirect Matrix Converter

Haiming Liu, Linfeng Huang, Cheng Lin, Yifu Ding, Yun Wang and Shanhu Li
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Haiming Liu: School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China
Linfeng Huang: State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300130, China
Cheng Lin: School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China
Yifu Ding: China Automotive Technology and Research Center Co., Ltd., Tianjin 300300, China
Yun Wang: China Automotive Technology and Research Center Co., Ltd., Tianjin 300300, China
Shanhu Li: State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300130, China

Energies, 2022, vol. 15, issue 11, 1-18

Abstract: A variety of modulation strategies for suppressing output common-mode voltage (CMV) of indirect matrix converters (IMC) have been proposed, but most of them mainly reduce the peak of CMV by 42.3%. The frequency-domain characteristics of CMV have not been deeply analyzed. In order to improve the theory of frequency-domain characteristics of output common-mode voltage of IMC, this paper proposed a common-mode frequency domain analysis of five common-mode voltage peak suppression modulation methods for IMC. The common-mode voltage spectrum corresponding to the five modulation methods is obtained by the triple Fourier series, and the variation laws of the output common-mode components of the five modulation methods under different modulation indexes are compared and analyzed. By comparing and analyzing the low-frequency amplitude characteristics and high-frequency amplitude characteristics of five modulation methods, the suppression performance of the five modulation methods is evaluated. Finally, experiments verify the correctness of the theoretical analysis of the frequency domain characteristics of the output common-mode voltage of the indirect matrix converter.

Keywords: indirect matrix converter (IMC); common-mode components; spectrum analysis; triple Fourier series; voltage transfer ratio (VTR) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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