Dragonfly Algorithm-Based Optimization for Selective Harmonics Elimination in Cascaded H-Bridge Multilevel Inverters with Statistical Comparison

Muhammad Ayyaz Tariq, Umar Tabrez Shami, Muhammad Salman Fakhar, Syed Abdul Rahman Kashif, Ghulam Abbas, Nasim Ullah, Alsharef Mohammad and Mohamed Emad Farrag
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Muhammad Ayyaz Tariq: Department of Electrical Engineering, University of Engineering and Technology, Lahore 54890, Pakistan
Umar Tabrez Shami: Department of Electrical Engineering, University of Engineering and Technology, Lahore 54890, Pakistan
Muhammad Salman Fakhar: Department of Electrical Engineering, University of Engineering and Technology, Lahore 54890, Pakistan
Syed Abdul Rahman Kashif: Department of Electrical Engineering, University of Engineering and Technology, Lahore 54890, Pakistan
Ghulam Abbas: Department of Electrical Engineering, The University of Lahore, Lahore 54000, Pakistan
Nasim Ullah: Department of Electric al Engineering, College of Engineering, Taif University, Taif 21944, Saudi Arabia
Alsharef Mohammad: Department of Electric al Engineering, College of Engineering, Taif University, Taif 21944, Saudi Arabia
Mohamed Emad Farrag: School of Computing, Engineering and the Built Environment C011, Glasgow Caledonian University, 70 Cowcaddens Rd, Glasgow G4 0BA, UK

Energies, 2022, vol. 15, issue 18, 1-18

Abstract: Harmonics worsen the quality of electrical signals, hence, there is a need to eliminate them. The test objects under discussion are single-phase versions of cascaded H-bridge (CHB) multilevel inverters (MLIs) whose switching angles are optimized to eliminate specific harmonics. The Dragonfly Algorithm (DA) is used to eradicate low-order harmonics, and its statistical performance is compared to that of many other optimization techniques, including Particle Swarm Optimization (PSO), Accelerated Particle Swarm Optimization (APSO), Differential Evolution (DE), and Grey Wolf Optimization (GWO). Various scenarios of the algorithms’ search agent population for inverters with seven, nine, and eleven levels of output voltages are comprehensively addressed in this research. No algorithm shows total dominance in every scenario. The DA is least impacted by the change in dimensions of the narrated problem.

Keywords: selective harmonics elimination (SHE); cascaded H-bridge (CHB); multilevel inverter (MLI); switching angles; metaheuristic algorithms; dragonfly algorithm (DA) (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: 2022
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