CRH3动车组辅助变流器放电时间计算与研究  

Calculation and Research on Discharge Time of Auxiliary Converter of CRH3 EMU

作　　者：刘春海 王群 张涛 王超 LIU Chunhai;WANG Qun;ZHANG Tao;WANG Chao(CRRC Tangshan CO.,LTD.,Tangshan Hebei 063035,China)

机构地区：[1]中车唐山机车车辆有限公司,河北唐山063035

出　　处：《铁道运营技术》2023年第2期1-3,共3页Railway Operation Technology

摘　　要：以CRH3动车组辅助变流器为研究对象,对动车组高压断电后与辅助变流器相连的输入、输出储能部件的残余电荷放电时间进行计算,通过实车测试与验证,为CRH3动车组辅助变流器调试安全作业时间提供了数据支撑,更好的保障了作业人员的安全。Taking the auxiliary converter of CRH3 EMU as the research object,the residual charge discharge time of the input and output energy storage components connected to the auxiliary converter after high-voltage power is cut off is calculated.Through the real vehicle test and verification,the data support is provided for the safe operation time of the auxiliary converter debugging of CRH3 EMU,and the safety of operators is better guaranteed.

关 键 词：辅助变流器 动车组 放电时间 

分 类 号：U279.5[机械工程—车辆工程]