论文部分内容阅读
我矿4m3电动挖掘机在工作中连续烧毁2台回转直流发电机,为了查清发电机烧毁的原因,对电动挖掘机反馈电流的控制回路作了详细的检查。
My mine 4m3 electric excavator burned continuously 2 rotary DC generators at work, in order to find out the cause of the generator burned, made a detailed inspection of the control circuit of the electric excavator feedback current.