报告详情
Design of a Soft-Switching DC Converter for 110V Power Supply in Medium-Low Speed Maglev Trains
编号：104
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更新：2025-10-13 11:23:35 浏览：7次
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摘要
This study presents an innovative DC-DC converter solution employing modular full-bridge soft-switching technology, specifically designed to meet the power supply demands of medium-low speed maglev trains. The proposed solution features an active secondary-clamped ZVZCS-PWM topology that successfully achieves zero-voltage switching (ZVS) in leading bridge arms and zero-current switching (ZCS) in lagging bridge arms, delivering significant reductions in switching losses while effectively suppressing electromagnetic interference. Through optimized integration of EMI filters, high-frequency transformers, and LLC resonant structures - combined with a three-module parallel architecture and maximum current auto-balancing algorithm - the solution not only ensures balanced thermal load distribution but also enhances system current-sharing performance. Simulation results from the Simulink platform demonstrate that the system exhibits: (1) superior soft-switching characteristics, (2) exceptional load-step recovery capability, and (3) optimal current-sharing performance. These findings comprehensively validate the solution's practical value in improving both operational efficiency and reliability for maglev train power supply systems.
关键词
modularization,DC-DC converter,parallel current sharing,high-frequency converter,maglev train
报告人
Wen Ji
Professor Tongji University稿件作者
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重要日期
-
会议日期
11月07日
2025
至11月09日
2025
-
10月12日 2025
初稿截稿日期
-
10月30日 2025
注册截止日期
主办单位
IEEE西南交通大学IAS学生分会
承办单位
西南交通大学电气工程学院
SPACI车网关系研究室
四川大学电力系统稳定与高压直流输电研究团队
SPACI车网关系研究室
四川大学电力系统稳定与高压直流输电研究团队
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