DF_(4B)型机车起动发电机电压飞升烧损电气设备的故障分析及处理

Trouble analysis and countermeasure of electrical equipment burning loss by voltage flying-up of starting generator of DF4B locomotive

对DF4B型机车起动发电机电压飞升烧损电气设备的故障进行分析 ,找出原因 ,提出改进措施。