其特征是不要外接偏置电压源，而由一个特殊隔离变换器将输入逻辑信号变换为能快速开通或关断IGBT模块的驱动电力。

Its feature is that the input logical signal is converted to drive power by a special isolated converter, which makes a IGBT module turn on or off quickly, without any other biased voltage sources.

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设计开发的电除尘器电源控制器采用ARM9系列STR912微控制器作为主控芯片，供电电源及信号输入输出模块采用光耦隔离设计方案。

Power controller adopts STR912 of ARM9 series as microcontroller, and USES the technique of optical coupling isolation within the input, output and power supply module.

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