对系统硬件设计的DSP 3．3V电源的获取、电压电流采样模块、IGBT 驱动、一般I／O信号的处理、故障监测和串口通信电路进行了研究分析。

The overall hardware design scheme is performed, such as DSP 3. 3V power, voltage and current sampling module, IGBT driving circuit, I/O signal processor, fault detection module and COM circuit etc.

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