SHAF for mitigation of Current harmonics with p-q and Id-Iq control strategies using both PI and Fuzzy Controllers

Control strategies for extracting the three phase reference currents for shunt active power filters are compared, evaluating their performance under different source conditions with PI and Fuzzy Controllers in MATLAB/Simulink environment. The p-q control strategy is unable to yield an adequate solution when source voltages are not ideal. Extensive simulations are carried out with PI controller and also with Fuzzy controller for both p-q and Id-Iq control strategies under different main voltages. Extensive Simulations are carried out with PI as well as fuzzy controller for both p-q and Id-Iq control strategies by considering different voltage conditions and adequate results were presented. On owing Id Iq method with fuzzy logic controller gives away an out-standing performance under any voltage conditions (balanced and un-balanced) over remaining combinations.