The main circuit topology of three phase DVR is analyzed,the design method of the parameters of the main circuit is presented and different ways of transformer winding connection are compared.

• 针对以往研究的三相动态电压恢复器,提出基于三相电压型逆变电路的动态电压恢复器,并分析其主电路拓扑,提出主电路几项参数的设计方法,同时对比不同变压器接法对参数和电路性能的影响。