The practical application of expert system to design of fault diagnosis of chopper circuits, as well as its theoretical basis, is presented.
提出了直流斩波电路故障诊断专家系统的理论根据及设计方法。
The PWM chopper circuit and the selection of power switching elements, protecting circuits, driving units and software programming are given out.
主要内容包括PWM斩波电路结构及功率开关器件的选择，驱动电路，保护电路以及软件编程。
The model for general snubber circuits is presented by means of analyzing the snubber circuit of a chopper.
通过对斩波器中缓冲电路工作过程的分析，提出了一般缓冲电路的模型。
The model for general snubber circuits is presented by means of analyzing the snubber circuit of a chopper.
通过对斩波器中缓冲电路工作过程的分析，提出了一般缓冲电路的模型。
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