eprintid: 2233 rev_number: 8 eprint_status: archive userid: 2 dir: disk0/00/00/22/33 datestamp: 2022-06-02 23:30:09 lastmod: 2022-06-02 23:30:09 status_changed: 2022-06-02 23:30:09 type: article metadata_visibility: show creators_name: Marín-Reyes, Manuel creators_name: Aguayo-Alquicira, Jesus creators_name: De León Aldaco, Susana Estefany title: Calculation of Optimal Switching Angles for a Multilevel Inverter Using NR, PSO, and GA- a Comparison ispublished: pub subjects: uneat_eng divisions: uninimx_produccion_cientifica full_text_status: public keywords: cascade multilevel inverter, total harmonic distortion, optimization, genetic algorithm, Newton-Raphson, particle swarm optimization abstract: Currently, multilevel inverters have been increased the number of applications in the industrial sector and renewable energy sources. Among its characteristics, the most remarkable are modular design, high performance, and low harmonic distortion in the output voltage waveform. For this paper, a single-phase Cascade H-Bridge Multilevel Inverters (CHB-MLI or CMLI) topology with independent DC sources, has been selected for the case study. Analyzing three scenarios: 5-level, 7-level, and 9-level applying the concept of the Optimized Harmonic Stepped-Waveform (OHSW) and comparing the results between the Selective Harmonic Eliminated-Pulse Width Modulation (SHE-PWM) and the Optimal Minimization of the Total Harmonic Distortion (OMTHD) are also presented. To compare the results obtained with classical and nature-inspired optimization methods, three techniques are used to solve transcendental nonlinear equations for the problem of Total Harmonic Distortion (THD) minimization: Newton Raphson (NR), Genetic Algorithm (GA), and Particle Swarm Optimization (PSO), which have been widely used for the problems of THD minimization in multilevel inverters. date: 2020 publication: European Journal of Electrical Engineering volume: 22 number: 4-5 pagerange: 349-355 id_number: doi:10.18280/ejee.224-506 refereed: TRUE issn: 21033641 official_url: http://doi.org/10.18280/ejee.224-506 access: open language: en citation: Artículo Materias > Ingeniería Universidad Internacional Iberoamericana México > Investigación > Producción Científica Abierto Inglés Currently, multilevel inverters have been increased the number of applications in the industrial sector and renewable energy sources. Among its characteristics, the most remarkable are modular design, high performance, and low harmonic distortion in the output voltage waveform. For this paper, a single-phase Cascade H-Bridge Multilevel Inverters (CHB-MLI or CMLI) topology with independent DC sources, has been selected for the case study. Analyzing three scenarios: 5-level, 7-level, and 9-level applying the concept of the Optimized Harmonic Stepped-Waveform (OHSW) and comparing the results between the Selective Harmonic Eliminated-Pulse Width Modulation (SHE-PWM) and the Optimal Minimization of the Total Harmonic Distortion (OMTHD) are also presented. To compare the results obtained with classical and nature-inspired optimization methods, three techniques are used to solve transcendental nonlinear equations for the problem of Total Harmonic Distortion (THD) minimization: Newton Raphson (NR), Genetic Algorithm (GA), and Particle Swarm Optimization (PSO), which have been widely used for the problems of THD minimization in multilevel inverters. metadata Marín-Reyes, Manuel; Aguayo-Alquicira, Jesus y De León Aldaco, Susana Estefany mail SIN ESPECIFICAR (2020) Calculation of Optimal Switching Angles for a Multilevel Inverter Using NR, PSO, and GA- a Comparison. European Journal of Electrical Engineering, 22 (4-5). pp. 349-355. ISSN 21033641 document_url: http://repositorio.unini.edu.mx/id/eprint/2233/1/22.4-5_06.pdf