2711-T5A8L1 A-B 维护与保养

2711-T5A8L1由山西润盛进出口有限责任公司销售这是于驱动IGBT模块的带有放大电路的一款光耦，安川的下桥驱动电路则是采用了光耦PC929，这是一款内部带有放大电路，及检测电路的光耦。此外电机抖动，三相电流，电压不平衡，有频率显示却无电压输出，这些现象都有可能是IGBT模块损坏。IGBT模块损坏的原因有多种，首先是外部负载发生故障而导致IGBT模块的损坏如负载发生短路，堵转等。其次驱动电路老化也有可能导致驱动波形失真，或驱动电压波动太大而导致IGBT损坏,从而导致SC故障报警。General Electric 8000 Breaker Feeder Bucket 6" 30 Amp MCC MCCB GE


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