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A Three-Phase Multilevel Inverter Synthesized with 31 Levels and Optimal Gating Angles Based on the GA and GWO to Supply a Three-Phase Induction Motor

Author

Listed:
  • Taha Ahmad Hussein

    (Department of Electrical Power Engineering, Northern Technical University, Mosul 41002, Iraq
    USM Offshore Center, 34500 Istanbul, Türkiye)

  • Dahaman Ishak

    (School of Electrical and Electronic Engineering, Universiti Sains Malaysia, Nibong Tebal 14300, Malaysia)

  • Mohamad Tarnini

    (Department of Electrical and Computer Engineering, Beirut Arab University, Beirut 1107 2809, Lebanon)

Abstract

A three-phase multilevel inverter (MLI), synthesized with 31 levels in regard to its output voltage, is used to provide the AC supply to a three-phase, squirrel cage induction motor. The gating angles required for the 30 power switches on the MLI are optimized using both the genetic algorithm (GA) and the grey wolf optimizer (GWO), in which the optimal angles are determined through solving the trigonometric equations taken from Fourier analysis to target the minimum total harmonic distortion (THD) at the MLI output. A simulation model and an experimental prototype are developed for performance analysis and validation. The results demonstrate that the MLI is effectively able to produce 31 levels of three-phase AC output voltage, with the THD not exceeding 5% when loaded with a resistive load and a three-phase induction motor. The voltage and current are measured and recorded for different loads and operating conditions, including the amount of energy consumed by the load. The results of the frequency analysis demonstrate that most of the triple harmonics, which can harm the efficiency of the inverter, are cancelled.

Suggested Citation

  • Taha Ahmad Hussein & Dahaman Ishak & Mohamad Tarnini, 2024. "A Three-Phase Multilevel Inverter Synthesized with 31 Levels and Optimal Gating Angles Based on the GA and GWO to Supply a Three-Phase Induction Motor," Energies, MDPI, vol. 17(5), pages 1-22, March.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:5:p:1267-:d:1352515
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    References listed on IDEAS

    as
    1. Muhammad Usman Sardar & Toomas Vaimann & Lauri Kütt & Ants Kallaste & Bilal Asad & Siddique Akbar & Karolina Kudelina, 2023. "Inverter-Fed Motor Drive System: A Systematic Analysis of Condition Monitoring and Practical Diagnostic Techniques," Energies, MDPI, vol. 16(15), pages 1-41, July.
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