充电桩充电模块功率器件故障诊断研究综述  

Review of Power Device Fault Diagnosis for Charging Module of Charging Pile

作　　者：刘秀兰[1] 陈熙[1] 张倩[1] 程林[1] 林志法 陈慧敏 刘占磊 代建港 LIU Xiuan;CHEN Xi;ZHANG Qian;CHENG Lin;LIN Zhifa;CHEN Huimin;LIU Zhanlei;DAI Jiangang(Beijing Electric Power Research Institute,State Grid Corporation of China,Beijing 100075,China;State Key Lab of Electrical Insulation and Power Equipment,Xi’an Jiaotong University,Xi’an 710049,China)

机构地区：[1]国家电网公司北京电力科学研究院,北京100075 [2]西安交通大学电力设备电气绝缘国家重点实验室,西安710049

出　　处：《高压电器》2024年第7期191-200,共10页High Voltage Apparatus

基　　金：国网北京市市电力公司科技项目(52022324000M)。

摘　　要：大功率直流充电桩是未来电动汽车充电设施的发展方向,充电模块是直流充电桩最重要以及故障率最高的部件,其中功率器件开路故障较为常见。为保证充电模块安全可靠运行,需要对充电模块功率器件开路故障进行准确识别和定位。文中首先对充电模块拓扑结构和故障类型进行分析,然后分别对基于解析模型、基于信号处理和基于知识的功率器件开路故障诊断方法进行总结,分别介绍了各类方法的基本思想、研究进展和优缺点,最后总结并展望充电模块功率器件开路故障诊断方法未来的研究和发展方向。High power DC charging pile is the development direction of electric vehicle charging facilities in the future.The charging module is the most important component of DC charging pile and has the highest failure rate,among which open circuit fault of power device is more common.For assuring safe and reliable operation of the charging module,it is necessary to accurately identify and locate the open circuit fault of the power device of the charging module.Firstly,the topology and fault types of the charging module are analyzed in this paper.Then,the open circuit fault diagnosis methods of the power device based on analytical model,signal processing and knowledge is summarized respectively.The basic ideas,research progress and the pros and cons of various methods are introduced respectively.Finally,the future research and development direction of open circuit fault diagnosis methods for power device of charging module are summarized and prospected.

关 键 词：充电模块 开路故障 解析模型 信号处理 知识 

分 类 号：TM46[电气工程—电器]