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本文讨论了目前在中小功率交流电动机变频调速方面得到广泛应用的PWM逆变器以及构成交流调速系统时有关的一些问题,介绍了一个采用双微处理机协调控制的SPWM变频调速系统。经实验表明该系统具有较好的动态性能。
This paper discusses the PWM inverter which is widely used in the small and medium power AC motor frequency conversion speed regulation and some problems related to the AC speed regulation system. A SPWM frequency conversion speed regulation system with double microprocessor coordination control is introduced. The experiment shows that the system has better dynamic performance.