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  • 5 - Conventional Power Electronics for Electrified Aircraft Propulsion

  • Edited by Kiruba Haran, University of Illinois, Urbana-Champaign, Nateri Madavan, Tim C. O'Connell
  • Book:
    Electrified Aircraft Propulsion
    Published online:
    11 May 2022
    Print publication:
    26 May 2022, pp 130-149

  • Summary

    Power electronic circuits enable electrified aircraft propulsion (EAP) – from the More-Electric Aircraft (MEA) (an aircraft where the propulsion systems are still traditional, but some or all of the secondary non-propulsion-related subsystems are electrified) to the All-Electric Aircraft (AEA) (an aircraft with fully electrified propulsion and secondary subsystems) – and their importance cannot be understated. This chapter provides general power conversion concepts while fostering a solid high-level understanding of power electronic circuits, focusing on those circuits and devices that are crucial for EAP. Power system metrics, including power density and voltage, and integration techniques are presented. This is followed by a description of relevant converter topologies, including two- and multi-level inverters, direct and indirect matrix converters, rectifiers, circuits for open winding and multi-phase electric machines, and fault-tolerant topologies. A discussion of semiconductor devices and materials, including a brief discussion of silicon-carbide (SiC) devices, concludes the chapter.