A Power Electronics Traction Transformer for High-Speed Trains in China: Toward a Lighter and More Compact Traction System

被引：0

作者：

Li, Chi ^{[1
]}

Chen, Tao ^{[2
]}

Su, Liangliang ^{[3
]}

Zhang, Zhixue ^{[4
]}

Zheng, Zedong ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China

[2] CRRC Zhuzhou Inst, Res Inst, New Power Grid Equipment Syst, Zhuzhou 412001, Hunan, Peoples R China

[3] CRRC Zhuzhou Elect Locomot Res Inst Co Ltd, Zhuzhou 412000, Hunan, Peoples R China

[4] CRRC ZhuZhou Inst Co Ltd, Zhuzhou 412001, Hunan, Peoples R China

来源：

IEEE INDUSTRIAL ELECTRONICS MAGAZINE | 2024年

关键词：

Topology; Bridge circuits; Silicon; Power transformer insulation; Voltage control; Rails; Power electronics; Prototypes; Transformers; Traction power supplies; DESIGN;

D O I：

10.1109/MIE.2024.3497412

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：

The pursuit of a lighter and more compact traction system in high-speed trains drives the development of a power electronics traction transformer for China's high-speed trains. This article introduces the topology, control and implementation of the proposed PET, which features a double-side modulation for the isolated dc/dc LLC converters and state-of-the-art medium-frequency transformers with compact insulation and cooling solutions. Field tests on a test railway have validated the PET's performance, achieving a remarkable 96.7% efficiency with 0.34 kW/L and 0.47 kW/kg in power density which is 20% smaller in size and 15% lighter in weight than traditional line-frequency systems for a CRH-6 train.

引用

页数：13

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