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In this paper, a variety of main circuit structures of DVR based on open-end winding are presented. Two inverters are connected in series to realize the multi-level structure and simplify the hardware cost. According to the mathematical model of open-end DVR, a three loop control strategy based on load voltage feedback is implemented to suppress the resonance of LCL filter. Aiming at the common mode voltage problem of open-end winding DVR, a common mode voltage suppression strategy based SVPWMdoi:10.1051/e3sconf/202016506013 fatcat:muiqxwhztbdytgocbw7jxl2aqe