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Counteracting the Aging Process of the Aircraft’s DC Power Grid in the Context of Shaping the Characteristics of the Power Source

Author

Listed:
  • Tomasz Tokarski

    (Air Force Institute of Technology, ul. Księcia Bolesława 6, skryt. poczt. 96, 01-494 Warszawa, Poland)

  • Sławomir Michalak

    (Air Force Institute of Technology, ul. Księcia Bolesława 6, skryt. poczt. 96, 01-494 Warszawa, Poland)

  • Tomasz Gajewski

    (Air Force Institute of Technology, ul. Księcia Bolesława 6, skryt. poczt. 96, 01-494 Warszawa, Poland)

Abstract

This article presents a proprietary method for measuring and adjusting the position of DC generator brushes relative to the neutral zone. This method enables shaping the characteristics of the power sources of the aircraft’s DC power grids, which has a beneficial effect on counteracting the aging process. Using generators with varying operating times (flight hours), selected research results on the effect of the brush position angle α relative to the magnetically neutral zone on operating conditions are presented. In addition, examples of abnormal operation of the DC electrical network in transient states and their possible negative effects on the operation of the aircraft (A/C) power network are presented. Finally, research results are presented demonstrating the practical application of power source characteristic shaping to effectively counteract the aging process of aircraft DC power networks.

Suggested Citation

  • Tomasz Tokarski & Sławomir Michalak & Tomasz Gajewski, 2025. "Counteracting the Aging Process of the Aircraft’s DC Power Grid in the Context of Shaping the Characteristics of the Power Source," Energies, MDPI, vol. 18(19), pages 1-29, September.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:19:p:5132-:d:1759231
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    References listed on IDEAS

    as
    1. Wojciech Wawrzyński & Mariusz Zieja & Justyna Tomaszewska & Mariusz Michalski, 2021. "Reliability Assessment of Aircraft Commutators," Energies, MDPI, vol. 14(21), pages 1-19, November.
    2. Andrzej Gębura & Andrzej Szelmanowski & Ilona Jacyna-Gołda & Paweł Gołda & Magdalena Kalbarczyk & Justyna Tomaszewska, 2025. "Concepts and Experiments on More Electric Aircraft Power Systems," Energies, MDPI, vol. 18(7), pages 1-26, March.
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