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Fuzzy-Repetitive Learning Composite Control Strategy in Shunt Active Filter

Wang Pan1 Liu Fei2(Wuhan University Wuhan 430072 China)  
Taking into account that the parameters of shunt active power filter APF system can not be accurately obtained in the actual operation,this paper proposes a composite control strategy by the combination of fuzzy control and repetition control.Then it detailly designs the learning factor Ks and feedback scaling factor Kr for fuzzy controller after definitely analyzed the influence of repetition parameters on the compensation performance in the system.Finally,the paper makes a simulation of the composite control strategy based on shunt active power filter with LCL filter,the simulation results indicat its feasibility and effectiveness.
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