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发电机励磁装置是挖掘机电控系统的核心，其组成元器件较多，工作原理和故障原因复杂，增加了维修人员分析和排除故障的难度。为此，本人总结了多年的电气维修经验，对ＷＫ－１０３Ａ挖掘机的励磁系统进行了改造。 １改造措施 在发电机正反拍它励绕组上接入２块４４Ｃ２－Ａ（
Generator excitation device is the core of excavator electronic control system, its components and more components, the working principle and the fault reason is complex, increasing the maintenance staff to analyze and troubleshoot the difficulty. To this end, I summed up many years of experience in electrical maintenance, WK-103A excavator excitation system has been transformed. 1 retrofit measures In the generator back and forth it excited winding group access 2 44C2-A (