Control Method of Three-Phase Four-Switch Shunt Active Power Filter
Wang Wen1, Luo An2, Li Yan3
1. Changsha University of Science and Technology Changsha 410004 China; 2. Hunan University Changsha 410082 China; 3. Central South University Changsha 410083 China
Abstract：This paper proposes a control method applying to three-phase four-switch shunt active power filter (TFSSAPF). The topology and basic operation principle of TFSSAPF are fully analyzed, followed by two DC-side capacitors voltage control methods. The dc-side total voltage is retained by controlling the active proportion of output currents. The DC-side voltage balancing is realized by adapting the direct proportion of the c-phase output current. A sinusoidal PWM method adopting the two output phase currents as instruction currents is presented. Experimental results show the validity and feasibility of the proposed method.
王文, 罗安, 黎燕. 三相四开关并联有源电力滤波器的控制方法[J]. 电工技术学报, 2014, 29(10): 183-190.
Wang Wen, Luo An, Li Yan. Control Method of Three-Phase Four-Switch Shunt Active Power Filter. Transactions of China Electrotechnical Society, 2014, 29(10): 183-190.
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