... neutral point voltage balance 中点电压平衡 Dc Voltage Balance 直流电压平衡 neutral-point voltage balance 中点电压平衡控制 ...
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DC voltage balance is the key issues of cascaded dynamic voltage restorer.
直流侧电压平衡是级联型动态电压恢复器的关键问题。
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。
Furthermore, DC voltage control is achieved adopting power balance theory.
采用能量平衡原理实现了逆变器直流侧电压的控制。
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