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Performance Analysis of A PI Controller and A Fuzzy Controller for Single Phase Shunt Active Power Filter

Anu Wilson P, Dr. E A Jasmin

Recent wide spread applications of power electronic equipments have caused an increase of the harmonic disturbances in the power systems. The nonlinear loads draw harmonic and reactive power components from AC mains. Here a PI controlled shunt active power filter and fuzzy controlled shunt active power filter are presented to eliminate harmonics and to compensate the reactive power of single phase rectifier. The performances of both controllers are analyzed from the simulation results obtained.