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利用 96单片机的高速输出口HSO生成SPWM波 ,配置极少的外围器件 ,实现SPWM控制的变频调速 .介绍了该系统的硬件配置 ,SPWM算法 ,及主要软件 .功率器件采用了IGBT .
The high speed output HSO of 96 singlechip is used to generate SPWM wave and configure a few peripheral devices to realize SPWM control of frequency conversion speed regulation.The hardware configuration, SPWM algorithm and the main software of the system are introduced.The IGBT of power device is adopted.