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1 问题的提出 1999年12月27日我段ＤＦ5型1250号机车第7次定检,由于充电电流大、蓄电池干水,造成整台车48节蓄电池全部报废。幸亏所使用的电池是普通铅酸电池,而不是免维护电池,否则损失就大了。机车辅助发电机电压110Ｖ在正常范围内。2 分析原因 ＤＦ5型机车设有过电
1 issue put forward December 27, 1999 I paragraph DF5 1250 locomotive seventh scheduled inspection, due to the charging current, battery dry, causing the whole car 48 batteries all scrapped. Fortunately, the battery used is ordinary lead-acid batteries, rather than maintenance-free batteries, otherwise the loss is big. Locomotive auxiliary generator voltage 110V in the normal range. 2 Analysis Reason DF5 locomotive with over-voltage