The inverter of main circuit adopted IGBT power module.
主电路中逆变器采用IGBT功率模块。
After control method of special electromagnetism parameter is proposed, we introduce the basis chosen of SPWM frequency conversion & IGBT power module.
接着介绍了SPWM交—直—交变频的控制方案和选用IGBT电力模块的依据。
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.
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。
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