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对HXD2机车蓄电池上电控制电路故障进行了分析,提出了在上电控制电路中对接触器(C-BA)线圈两端增加电压抑制器,以及增设旁路应急电路的优化改进方案。国产化HXD2型8轴电力机车是中国北车集团下属大同电力机车有限责任公司、永济电机公司、大连机车研究所有限公司和大连电力牵引研发中心有限公司在原铁道部技术引进的基础上,
The failure of HXD2 locomotive battery power-on control circuit is analyzed, and the optimization and improvement scheme of adding voltage suppressor to both ends of contactor (C-BA) coil in power-on control circuit and adding bypass emergency circuit are proposed. Domestic HXD2 8-axis electric locomotive is a subsidiary of China North Locomotive Group Datong Electric Locomotive Co., Ltd., Yongji Electric Corporation, Dalian Locomotive Research Institute Co., Ltd. and Dalian Electric Traction R & D Center Co., Ltd. on the basis of the original Ministry of Railways technology,