铁路客车单相逆变器交流滤波电容故障保护策略研究  

Study on Fault Protection Strategy of AC Filter Capacitor of Single-phase Inverter for Railway Passenger Cars

作　　者：耿岩 李博 张波 黎梅云 GENG Yan;LI Bo;ZHANG Bo;LI Meiyun(China Railway Hohhot Group Co.,Ltd.,Hohhot 010057,China;CRRC Qingdao Sifang Rolling Stock Research Institute Co.,Ltd.,Qingdao 266031,China)

机构地区：[1]中国铁路呼和浩特局集团有限公司,内蒙古呼和浩特010057 [2]中车青岛四方车辆研究所有限公司,山东青岛266031

出　　处：《铁道车辆》2021年第4期12-16,共5页Rolling Stock

摘　　要：介绍了铁路客车单相逆变器的工作原理,分析了单相逆变器在发生交流滤波电容故障后未触发输出过压保护动作的原因,同时研究并给出了可行的保护策略,并通过仿真验证了可行保护策略的有效性。The working principle of the single-phase inverter for railway passenger cars is introduced,and the reasons of the single-phase inverter not triggering the output overvoltage protection action after the AC filter capacitor fault occurs is analyzed.At the same time,the feasible protection strategy is studied and given,and the effectiveness of the feasible protection strategy is verified by simulation.

关 键 词：单相逆变器 电容故障 保护策略 

分 类 号：U229[交通运输工程—道路与铁道工程]