DC chopping circuit with power MOSFET have been analyzed in the paper with the help of computer. On the basis of the analysis, a design method is given.

本文对使用功率MOSFET元件的直流斩波电路进行了计算机辅助分析，在分析的基础上给出了工程设计方法。

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Compared with a variety of relatively common DC chopping circuit, this paper selects the triple H-bridge chopping circuit to drive DC motors and introduces its working principles.

本文针对微型电动汽车，在比较多种常用的直流斩波电路基础上，选择三重化桥式斩波电路作为功率变换器主电路并研究了其工作原理。

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