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直流机组为电动挖掘机正常运转提供动力,机组电动机运行状态的好坏直接影响电动挖掘机的生产作业。通过对机组进行振动状态检测,利用频谱分析技术对电动机振动异常进行了诊断,降低了电动机的突发性故障,提高了电动挖掘机的作业效率。
DC unit for the normal operation of electric excavator to provide power, unit motor running status of a direct impact on the production of electric excavators. Through the vibration state detection of the unit, the use of spectrum analysis technology to diagnose the motor vibration anomalies, reducing the motor sudden failure and improve the operating efficiency of electric excavators.