A Four Leg Shunt Active Power Filter Predictive Fuzzy Logic Controller for Low-Voltage Unbalanced-Load Distribution Networks

Recently evolved power electronics’ based domestic/residential appliances have begun to behave as single phase non-linear loads. Performing as voltage/current harmonic sources, those loads when connected to a three phase distribution network contaminate the line current with harmonics in addition to creating a neutral wire current increase. In this paper, an enhanced performance three phase four leg shunt active power filter (SAPF) controller is presented as a solution for this problem. The presented control strategy incorporates a hybrid predictive fuzzy-logic based technique. The predictive part is responsible for the SAPF compensating current generation while the DC-link voltage control is performed by a fuzzy logic technique. Simulations at various loading conditions are carried out to validate the effectiveness of the proposed technique. In addition, an experimental test rig is implemented for practical validation of the of the enhanced performance of the proposed technique.

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Cite this article

[IEEE Style]

A. M. Fahmy, A. K. Abdelslam, A. A. Lotfy, M. Hamad, A. Kotb, "A Four Leg Shunt Active Power Filter Predictive Fuzzy Logic Controller for Low-Voltage Unbalanced-Load Distribution Networks," Journal of Power Electronics, vol. 18, no. 2, pp. 573-587, 2018. DOI: 10.6113/JPE.2018.18.2.573.

[ACM Style]

A. M. Fahmy, Ahmed K. Abdelslam, Ahmed A. Lotfy, Mostafa Hamad, and Abdelsamee Kotb. 2018. A Four Leg Shunt Active Power Filter Predictive Fuzzy Logic Controller for Low-Voltage Unbalanced-Load Distribution Networks. Journal of Power Electronics, 18, 2, (2018), 573-587. DOI: 10.6113/JPE.2018.18.2.573.