Manipal Journal of Science and Technology


The aim of this paper is to present the design process of a shunt active filter (SAF) in power systems and to highlight its importance in mitigating harmonics. The huge widespread of non-linear loads is rendering the source currents non-sinusoidal and thus producing harmful harmonics. In order to appreciate the effect of SAFs in power systems, a problem is adopted in which a non-linear load is present. The system is then modelled, and MATLAB Simulink simulations are carried on to highlight the undesirable presence of harmonics without the filter being installed and to showcase the power of the SAF in reducing the harmonic distortion of the system remarkably.

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