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地质钻探工作是野外作业，通常使用交、直流发电机作照明设备，事故多，维修工时大，成本较高。我们在兄弟单位协助下，试验使用了电动机和电容器并联发电的办法，取得了良好效果。几年来，实践证明这种方法与交、直流发电机比较，有以下优点：一、交直流发电机在使用中，容易发生故障，电刷、整流器磨损快，容易烧坏；电枢、磁场线圈也常断路、短路和烧毁，电刷整流器部份修理较容易，电枢、磁场线圈部份毁坏，一般都得送厂修理。使用电动发电器组就基本上避免了上述情况的发生。
Geological drilling work is fieldwork, usually use to pay, DC generator for lighting equipment, accidents, maintenance time, cost is high. With the assistance of our brother units, we experimented with the parallel method of generating electricity using motors and capacitors and achieved good results. Over the past few years, this method proved to have the following advantages compared with AC and DC generators: First, AC and DC generators in use, prone to failure, brush, rectifier wear fast, easy to burn out; armature, field coil Often open circuit, short circuit and burn, brush rectifier part of the repair easier, armature, field coil part of the damage, generally have to send the factory repair. The use of motor generator sets basically avoided the above situation.