A three phase active power filter is controlled using d-q control in closed loop. The inverter is supplying harmonics and reactive power to the loads, such that the power drawn from the grid is at unity power factor.
Non-linear current drawn by the loads is measured and the harmonics information thereby extracted is used in synchronous reference frame for compensation.
Rajesh Farswan (2021). Three phase active power filter (https://www.mathworks.com/matlabcentral/fileexchange/72735-three-phase-active-power-filter), MATLAB Central File Exchange. Retrieved .
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