CRH2型300km/h动车组国产辅助变流器的设计

Design of Domestic Auxiliary Converter for 300km/h CRH2 Electric Multiple Unit

介绍了自行研制的CRH2型300km/h动车组用辅助变流器的总体结构、主电路及技术特点。该辅助变流器已安装在时速300km动车组上,运行情况良好。

It introduces general structure, main circuit and technical characteristics of the self-developed auxiliary power unit （APU3） for CRH2 300 km/h EMU（electric multiple unit）. The APU3s have been used in 300 km/h CRH2 EMUs and present good running performances.