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介绍一种以ＩＧＢＴ为功率单元的全数字控制脉宽调制变频装置。采用了以８０９８单片机和三相高频可编程脉宽控制器ＳＬＥ４５２０为核心的控制系统。实验表明，系统运行平稳，动态性能良好。
An all-digital pulse-width-modulation converter with IGBT as its power unit is introduced. Using a 8098 microcontroller and three-phase high-frequency programmable pulse width controller SLE4520 as the core of the control system. Experiments show that the system runs smoothly and the dynamic performance is good.