浅谈变频器的保护及应用

围绕变频器阐述了电动机的允许持续电流和工作频率的关系,分析了电子热保护器的反时保护功能、过电流、过电压、欠电压产生的原因,提出变频器过电流、过电压、欠电压保护措施.并分析了过热保护、负载侧接地保护等变频器的其它保护功能.

Discussion on Protection and Application of Converter

Around the converter elaborates the relationship of allowed continuous current and operating frequency of the motor,analyzes the inverse time protection function of electronic thermal protection device,the causes of over-current,over-voltage,under voltage,proposes protection measures of over-current,over-voltage,under voltage of converter.And analyze other protection functions of converter,such as thermal protection,load side grounding protection and so on.