In order to enhance the dynamic performance of DVR and make it running more economically, this paper do research in voltage sag detection algorithm, control methods, as well as the calculation methods of compensation voltage of DVR.

• 为了提高DVR的动态性能,减少DVR的能量输出,提高DVR的经济性及综合性,本文对DVR的电压凹陷检测算法,DVR系统控制方法和DVR补偿电压计算方法展开了研究,主要的研究成果包括以下几个方面: