The relationship between the unity power factor and the voltage balance of the capacitor was discussed.
主要讨论了单位功率因数实现和电容电压平衡问题及其关系。
By getting the direction function from the output AC current, the applied time of voltage vectors in one PWM period was chosen, the direction of central current was controlled for DC voltage balance.
该方法通过实时检测三相交流输出电流方向得到方向函数，利用该函数选择一个PWM周期内不同电压矢量作用时间来控制中点电流的方向，实现电压平衡。
The new structure features high breakdown voltage, low on-resistance , and charge balance in the drift region.
结果表明这种结构具有高的击穿电压、低的导通电阻和漂移区中电荷平衡的特点。
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