An Efficient Shunt Modulated AC Green Plug–Switched Filter Compensation Scheme for Nonlinear Loads

Albe M. Bloul (), Mohamad Abuhamdah, Adel M. Sharaf, Hamed H. Aly () and Jason Gu
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Albe M. Bloul: Department of Electrical and Computer Engineering, Dalhousie University, Halifax, NS B3H 4R2, Canada
Mohamad Abuhamdah: Department of Electrical and Computer Engineering, Dalhousie University, Halifax, NS B3H 4R2, Canada
Adel M. Sharaf: Department of Electrical and Computer Engineering, Dalhousie University, Halifax, NS B3H 4R2, Canada
Hamed H. Aly: Department of Electrical and Computer Engineering, Dalhousie University, Halifax, NS B3H 4R2, Canada
Jason Gu: Department of Electrical and Computer Engineering, Dalhousie University, Halifax, NS B3H 4R2, Canada

Energies, 2024, vol. 17, issue 10, 1-25

Abstract: Nonlinear loads, crucial components of power system grids, pose a challenge due to harmonics injection. This work tackles this issue with a novel modified green plug–switched filter compensation scheme using fuzzy logic controllers. This innovative scheme presented in this paper utilizes dual action pulse width modulation to ensure switching functions from harmonics reduction and capacitive compensation for inrush nonlinear-type AC loads. The scheme’s multi-loop regulations and online switching effectively handle dynamic-type slow-acting inrush, motorized- and other rectifier-type nonlinear loads, enhancing the power factor, power quality at source and load buses, and reducing the total harmonics distortion at the key source and sensitive nonlinear load buses. A simulation model in the MATLAB/SIMULINK-2023b software environment demonstrates the efficiency of the proposed FACTS technique. The modulated dual mode switched filter-capacitive compensation scheme controlled by a fuzzy logic controller ensures less harmonics distortion and improved voltage stabilization. The results show that voltage, current, active power, reactive power, power factor regulation, and effective energy utilization are achievable with the designed Flexible AC Transmission System-Modulated Filter Capacitor Compensation–Switched Filter Compensator (FACTS-MFCC-SFC). The switched modulated AC green plug filter significantly improves power quality and enhances power factor in cases of inrush and nonlinear loads.

Keywords: AC switched/modulated filter; pulse width modulation control; online multi-loop type-2 FLC; total error regulation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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