Dwarf Mongoose Optimization Algorithm: Minimization of Total Harmonic Distortion in Multi-Level Inverter Output Voltage

Abstract

The Total Harmonic Distortion (THD) value is an important metric used to evaluate the performance of various devices and systems in electrical systems. A low THD value is expected for optimal performance. In this study, the THD value of the output voltage of a cascaded H-bridge multi-level inverter (CHB-MLI) was optimized by using a newly developed Dwarf Mongoose Optimization (DMO) algorithm. The performance of the adapted DMO algorithm has been tested alongside the Genetic Algorithm (GA) and Particle Swarm Optimization (PSO) algorithms on a three-phase, nine-level cascaded H-bridge multi-level inverter (CHB-MLI). Convergence, consistency, and speed tests have been conducted for these algorithms. After detailed validation through MATLAB simulations, the results were analyzed, and it was concluded that the DMO algorithm outperformed the mentioned algorithms in the modulation index range of 0.1 to 1.0. In conclusion, it has been demonstrated that the DMO algorithm can effectively optimize the THD value of the output voltage of CHB-MLI.

Keywords

• Dwarf Mongoose Optimization Algorithm
• Total Harmonic Distortion
• Multi-level Inverter
• Fast Fourier Transform Analysis

Cüce kuyruksüren optimizasyon algoritması: Çok seviyeli inverter çıkış geriliminin toplam harmonik distorsiyon değerinin azaltılması

Abstract

Toplam Harmonik Distorsiyon (THD) değeri, elektrik sistemlerinde kullanılan çeşitli cihazların ve sistemlerin performansını değerlendirmek için kullanılan önemli bir ölçüttür. THD değerinin olabildiğince düşük değerde olması beklenir. Bu çalışmada, kaskad h-köprü çok seviyeli inverter (KHK-ÇSİ) çıkış geriliminin THD değerini en iyi seviyeye getirmek için yeni geliştirilen Cüce Kuyruksüren Optimizasyon (DMO) algoritması uyarlanmıştır. Uyarlanan DMO algoritmasının performansı, üç fazlı dokuz seviyeli kaskad h-köprü çok seviyeli (KHK-ÇSİ) üzerinde Genetik Algoritma (GA) ve Parçacık Sürü Optimizasyonu (PSO) algoritmaları ile birlikte test edilmiştir. Bu algoritmaların yakınsama, tutarlılık ve hız testleri yapılmıştır. Sonuçlar, MATLAB simülasyonlarıyla ayrıntılı bir şekilde doğrulandıktan sonra analiz edilmiş ve DMO algoritmasının 0.1 ile 1.0 modülasyon indeksi aralığında belirtilen algoritmalardan daha üstün performans gösterdiği sonucuna varılmıştır. Sonuç olarak, KHK-ÇSİ çıkış geriliminin THD değerini optimize etmek için DMO algoritmasının etkili bir şekilde kullanılabileceğini gösterilmiştir.

Keywords

• Cüce Kuyruksüren Optimizasyon Algoritması
• Toplam harmonik distorsiyon
• Çok seviyeli inverter
• Hızlı Fourier transform analizi

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