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Power System Harmonic Reduction Using Shunt Active Filter
Subject area: Science,Engineering and Technology · Area of research: Power Systems Engineering
Abstract
The increasing penetration of power electronic converters, nonlinear loads, and distributed generation units into modern power systems has significantly heightened the problem of harmonic distortion, adversely affecting power quality and system reliability. This paper presents an investigation into power system harmonic reduction using a Shunt Active Power Filter (SAPF). The shunt active filter is designed to inject compensating currents that counteract harmonic components drawn by nonlinear loads, thereby improving the overall power quality. A control strategy based on instantaneous reactive power theory (p?q theory) is implemented to generate reference currents, which are tracked using a hysteresis current controller to achieve fast dynamic response and accurate compensation. Simulation results demonstrate the effectiveness of the proposed SAPF in reducing Total Harmonic Distortion (THD) of source currents to within IEEE 519 standard limits, while also improving power factor and load balancing. The findings confirm that shunt active filtering provides a flexible and efficient solution for mitigating harmonics in power distribution networks, ensuring stable and reliable operation under varying load conditions.
Keywords
Power Systems, Harmonics, Fault, Shunt Active Filter, Reduction, Distortion
References
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[2] Imam, A. A., Sreerama Kumar, R., & Al-Turki, Y. A. (2020). Modeling and Simulation of a PI Controlled Shunt Active Power Filter for Power Quality Enhancement Based on P-Q Theory. Electronics, 9(4), 637. MDPI
[3] Szromba, Andrzej. (2024). Improvement of the Source Current Quality for a Shunt Active Power Filter Operating Using Hysteresis Technique with Stabilized Switching Frequency. Energies, 17(20), Article 5098. MDPI
[4] Suhendar; Teguh Firmansyah; Alief Maulana; Zuldiag; Vektor Dewanto. (2017). Shunt Active Power Filter Based on P-Q Theory with Multilevel Inverters for Harmonic Current Compensation. Simulink MATLAB. Zenodo
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[7] Krishna Veer Singh; Ravinder Kumar; Hari Om Bansal; Dheerendra Singh. (2020). Hardware Realization of a Single-Phase-Modified P-Q Theory-Based Shunt Active Power Filter for Harmonic Compensation. In Intelligent Communication, Control and Devices. Springer. SpringerLink
[8] Tilak Giri; Ram Prasad Pandey; Sabin Bhandari; Sujan Moktan; Lagat Karki. (Year). Design and Simulation of Three Phase Three Wire Shunt Active Filter using Instantaneous PQ Theory. Journal of the Institute of Engineering (Nepal). Nepjol
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How to cite this paper
@article{1710915,
author = {Ogboh V. C., Ezeude M. G., Anionovo U. E., Odigbo A. C., Ogboke H. N},
title = {Power System Harmonic Reduction Using Shunt Active Filter},
journal = {Iconic Research And Engineering Journals},
year = {2020},
volume = {4},
number = {5},
pages = {315-327},
issn = {2456-8880},
url = {https://www.irejournals.com/formatedpaper/1710915.pdf},
abstract = {The increasing penetration of power electronic converters, nonlinear loads, and distributed generation units into modern power systems has significantly heightened the problem of harmonic distortion, adversely affecting power quality and system reliability. This paper presents an investigation into power system harmonic reduction using a Shunt Active Power Filter (SAPF). The shunt active filter is designed to inject compensating currents that counteract harmonic components drawn by nonlinear loads, thereby improving the overall power quality. A control strategy based on instantaneous reactive power theory (p?q theory) is implemented to generate reference currents, which are tracked using a hysteresis current controller to achieve fast dynamic response and accurate compensation. Simulation results demonstrate the effectiveness of the proposed SAPF in reducing Total Harmonic Distortion (THD) of source currents to within IEEE 519 standard limits, while also improving power factor and load balancing. The findings confirm that shunt active filtering provides a flexible and efficient solution for mitigating harmonics in power distribution networks, ensuring stable and reliable operation under varying load conditions.},
keywords = {Power Systems, Harmonics, Fault, Shunt Active Filter, Reduction, Distortion},
month = {November},
}