摘要
CRH380B高寒动车组的辅助供电系统是为车上用电设备提供电源的系统,由3AC440 V(60 Hz)供电系统和DC110 V供电系统组成,包括辅助变流器、蓄电器和充电机。系统采用冗余设计,发生故障时能够自动切换,具有相互支援功能,还可根据实际需要切除部分次要负载,各制式供电系统均采取独立、可靠的安全接地措施。
The auxiliary power supply system of CRH380B high cold EMU powers for the electrical equipment on the vehicle.It is composed of 3AC 440V(60Hz)power supply system and DC110V power supply system.The equipment includes auxiliary converter,accumulator and charger.The auxiliary power supply system adopts redundancy design.In case of failure,it can switch automatically and has mutual support function.It can also cut off some secondary loads according to actual needs.Each system adopts independent and reliable safety grounding measures.
作者
韩天锐
HAN Tianrui(Liaoning Railway Vocational and Technical College,Jinzhou 121000,China)
出处
《郑州铁路职业技术学院学报》
2020年第1期14-16,共3页
Journal of Zhengzhou Railway Vocational and Technical College
关键词
CRH380B
高寒动车组
辅助供电系统
结构
CRH380B
high cold EMU
auxiliary power supply system
structure composition
