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Multilevel Aircraft-Inverter Design Based on Wavelet PWM for More Electric Aircraft

Author

Listed:
  • Nurbanu Catalbas

    (Faculty of Engineering, Department of Electrical and Electronics Engineering, Ankara University, Ankara 06830, Turkey)

  • Ahmet Gungor Pakfiliz

    (Faculty of Engineering, Department of Electrical and Electronics Engineering, OSTIM Technical University, Ankara 06374, Turkey)

  • Gokhan Soysal

    (Faculty of Engineering, Department of Electrical and Electronics Engineering, Ankara University, Ankara 06830, Turkey)

Abstract

This paper proposes a comprehensive power system designed for the use of a more electric aircraft power distribution system. Instead of traditional Nicad battery solutions as the energy source of the aircraft power system, lithium battery structures, which are a recent and promising solution in the field of aviation power systems, are modeled and analyzed. In this study, a WPWM-based, single-phase, multi-level pure sine wave static aircraft-inverter system is designed and integrated to improve the performance of conventional aircraft power systems. In the designed power system, a boost converter structure is proposed that boosts 28 VDC-to-270 VDC voltage coming from the lithium–ion battery pack and can reach a steady state in 0.032 s. The performance of the modeled WPWM-based aircraft-inverter system, compared to SPWM Bipolar and Unipolar switching techniques commonly used in single-phase inverter designs, reveals a THD reduction of approximately 27% with WPWM, resulting in a THD value below 2% for both load current and load voltage. As a result of the study, a power system that will enable the aircraft avionics, ventilation, and navigation systems to perform better than conventional power systems and comply with aircraft electric-power characteristic standards has been designed and detailed.

Suggested Citation

  • Nurbanu Catalbas & Ahmet Gungor Pakfiliz & Gokhan Soysal, 2024. "Multilevel Aircraft-Inverter Design Based on Wavelet PWM for More Electric Aircraft," Energies, MDPI, vol. 17(9), pages 1-23, April.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:9:p:2054-:d:1383335
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    References listed on IDEAS

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    1. Edemar O. Prado & Pedro C. Bolsi & Hamiltom C. Sartori & José R. Pinheiro, 2022. "An Overview about Si, Superjunction, SiC and GaN Power MOSFET Technologies in Power Electronics Applications," Energies, MDPI, vol. 15(14), pages 1-17, July.
    2. Muhammad Ahsan Ayub & Saddam Aziz & Yitao Liu & Jianchun Peng & Jian Yin, 2023. "Design and Control of Novel Single-Phase Multilevel Voltage Inverter Using MPC Controller," Sustainability, MDPI, vol. 15(1), pages 1-17, January.
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