The (frequency) converter (adopted) multilevel technology with cells series, which could obtain stepped SPWM waveforms, and could drive ordinary motor directly with no output filter.
该变频器采用单元串联多电平技术,可以得到阶梯SPWM波形,无需输出滤波器,可直接驱动普通电动机。
This paper introduces the fully digit fieldbus control drive system which consists of PLC and frequency converter. The structure and application of the system are also discussed in detail.
介绍了以P LC为控制单元,变频器为执行单元的全数字现场总线控制传动系统,重点讨论了系统的构成和实际应用。
This specific frequency converter has the advantages of simple hardware, small volume and high ratio of performance to cost. It has applied successfully in AC motor drive of weft storage.
该专用变频器具有硬件简单、体积小、性能价格比高等特点,已成功地应用于纺机储纬器的交流电机驱动中。
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