This paper makes a comprehensive analysis of the specific cases of AC filter capacitor failure in inverters,and makes clear the reasons of AC filter capacitor failure.According to this,emergency plan,treatment plan and replacement plan are formulated.The experience is provided to deal with capacitor defects in time,prevent the expansion of inverter faults caused by capacitor faults,and ensure the reliability of power supply.
inverterAC filter capacitancemetal film capacitancecapacitance value
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