Assessment and Mitigation of Harmonic Distortion in Industrial Power System

Estifanos Dagnew Mitiku

Abstract


Nowadays Power Quality problems are an issue to the industries. As a result, many of the industries in Ethiopia faced with the problem of power quality, having various causes. This paper presents assessment and mitigation of harmonic distortion of the industry, i.e National Tobacco Enterprise. Harmonics is one of the power quality problems for both electricity suppliers and users. A harmonics is a sinusoidal component of a periodic wave or quantity having a frequency that is an integral multiple of the fundamental frequency usually 50Hz or 60Hz. The effect of harmonics in the power system includes the corruption and loss of data, overheating or damage to sensitive equipment and overloading of capacitor banks. The study focuses on investigating and mitigating harmonics problems of the industry as per IEEE standard 1159-1995 using singletuned multi-branch filters. MATLAB/SIMULINK software has been used to show the effectiveness of mitigation techniques for the harmonic distortion. The results of the designed model with single-tuned multi-branch filters that are 5th and 7th harmonic filters are simulated for the mitigation of harmonic distortion and the filters are filtered out the harmonics and reduce the Total Harmonic Distortion value from 18.33% to 3.97%.



DOI: http://doi.org/10.11591/ijape.v10.i3.pp%25p

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International Journal of Applied Power Engineering (IJAPE)
p-ISSN 2252-8792, e-ISSN 2722-2624

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