The energy stored in DC capacitor decides the compensation performance of DVR(Dynamic Voltage Restorer) on voltage sag.
直流电容器上所存储的能量大小直接决定了动态电压恢复器（DVR）对电压跌落补偿的能力。
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。
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。
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