有轨电车交流供电系统的设计

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关键词：有轨电车；交流供电；整流；逆变；冗余控制；供电可靠性

中图分类号：U284.2 文献标志码：A 文章编号：1003-5168（2025）14-0017-06

DOI： 10.19968/j.cnki.hnkj.1003-5168.2025.14.003

Design of AC Power Supply System for Trams

LI Jincheng'QIU Ge² （1.CRRC Zhuzhou Electric Locomotive Co.，Ltd.， Zhuzhou 4120O1， China; 2.Delta Electronics （Shanghai） Co.，Ltd.， Shanghai ， China）

Abstract： [Purposes] As a vital component of urban green transportation，modern trams require highly reliable power supply systems to ensure operational safety. This study aims to address critical issues in conventional AC power supply systems，including three-phase imbalance under high-power single-phase AC loading and insufficient reliability in critical load power supply，thereby enhancing system stability.[Methods] Based on redundancy control principles，an innovative dual-power coordinated supply architecture integrating AC/AC and DC/AC converters is proposed.A smart switching system is designed，combining network and manual control modes for single-phase AC load power supply，incorporating key technologies such as power conversion logic，fault detection mechanisms，and time-delay protection.[Findings] Engineering applications demonstrate significant performance improvements： a 29% （20 reduction in auxiliary inverter failure rates，a 73% decrease in train delay incidents，and guaranteed continuity in critical load power supply，substantially enhancing overall system reliability.[Conclusions] The proposed redundant power supply scheme effctively addresses critical technical challnges in tram power systems， ofering an innovative approach for optimizing rail transit power supply architectures with significant practical application value.

Keywords： tram; AC power supply; rectification; inversion; redundant control; power supply reliability

0 引言

随着城市化进程的加速推进和公共交通需求的持续增长，现代有轨电车以其环保、高效和灵活的特点，逐渐成为城市轨道交通网络的重要组成部分[1-2]。（剩余6119字）