Research on Harmonic Noise Characteristics of Train Four-Quadrant Converter Using SiC Devices

被引：0

作者：

Wang, Yongxiang ^{[1
]}

Liu, Kan ^{[1
]}

Meng, Fanyang ^{[2
]}

Liu, Jianqiang ^{[2
]}

机构：

[1] China Acad Rail Way Sci Corp, State Key Lab Tract & Control Syst EMU & Locomot, Beijing, Peoples R China

[2] Beijing Jiaotong Univ, Sch Elect Engn, Beijing, Peoples R China

来源：

PROCEEDINGS OF THE 6TH INTERNATIONAL CONFERENCE ON ELECTRICAL ENGINEERING AND INFORMATION TECHNOLOGIES FOR RAIL TRANSPORTATION, EITRT 2023: ENERGY TRACTION TECHNOLOGY OF RAIL TRANSPORTATION | 2024年 / 1135卷

关键词：

Silicon carbide; Four-quadrant converter; Harmonic; Common-mode electromagnetic interference; Switching frequency;

D O I：

10.1007/978-981-99-9307-9_10

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

High frequency devices represented by SiC have the advantages of low switching loss, high switching frequency, and high junction temperature. Consequently, SiC have emerged as the dominant direction for the development of the new generation of traction converter technology. This study specifically examines the harmonic noise characteristics of the four-quadrant converter (4QC), which utilizes SiC devices in trains. Firstly, the influential factors affecting the harmonic characteristics on the grid side of the SiC 4QC are investigated through theoretical derivation. Secondly, the common-mode (CM) conducted interference coupling path of the 4QC is analyzed, and an equivalent circuit for the CM electromagnetic interference (EMI) is constructed. By studying the spectrum of the CM voltage source, the factors influencing the CM EMI in the SiC 4QC are analyzed. Then, an optimal selection method for selecting the switching frequency of the SiC 4QC is proposed, taking into account both the harmonic characteristics on the grid side and the CM EMI characteristics. Finally, a low-power experimental platform is established, and the research content is experimentally verified.

引用

页码：89 / 98

页数：10

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