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Properties of Fractional-Order Magnetic Coupling

Author

Listed:
  • Sebastian Różowicz

    (Department of Industrial Electrical Engineering and Automatic Control, Kielce University of Technology, Tysiąclecia Państwa Polskiego 7, 25-314 Kielce, Poland)

  • Andrzej Zawadzki

    (Department of Industrial Electrical Engineering and Automatic Control, Kielce University of Technology, Tysiąclecia Państwa Polskiego 7, 25-314 Kielce, Poland)

  • Maciej Włodarczyk

    (Department of Industrial Electrical Engineering and Automatic Control, Kielce University of Technology, Tysiąclecia Państwa Polskiego 7, 25-314 Kielce, Poland)

  • Henryk Wachta

    (Department of Power Electronics and Power Engineering, Rzeszow University of Technology, Wincentego Pola 2, 35-959 Rzeszow, Poland)

  • Krzysztof Baran

    (Department of Power Electronics and Power Engineering, Rzeszow University of Technology, Wincentego Pola 2, 35-959 Rzeszow, Poland)

Abstract

This paper presents the properties of fractional-order magnetic coupling. The difficulties connected with the analysis of two coils in dynamic states, resulting from the classical approach, provided motivation for studying the properties of fractional-order magnetic coupling. These difficulties arise from failure to comply with the commutation laws, i.e., a sudden power disappearance in the primary winding caused by a switch-mode power supply. Theoretically, under ideal conditions, a sudden power disappearance in the coil is, according to the classical method, manifested by a sudden voltage surge in the form of the Dirac delta function. As is well-known, it is difficult to obtain such ideal conditions in practice; the time of current disappearance does not equal zero due to the circuit breaker’s imperfection (even when electronic circuit breakers are used, the time equals several hundred nanoseconds). Furthermore, it is necessary to take into account phenomena occurring in real inductances, such as the skin effect, the influence of the ferromagnetic core and many other factors. It would be very difficult to model all these phenomena using classical differential calculus. The application of fractional-order differential calculus makes it possible to model them in a simple way by appropriate selection of coefficients and fractional-order derivatives. It should be mentioned that the analysis could be used, for example, in the case of high-voltage generation systems, including spark ignition systems of internal combustion engines. The use of fractional-order differential calculus will allow for more accurate modeling of phenomena occurring in such systems.

Suggested Citation

  • Sebastian Różowicz & Andrzej Zawadzki & Maciej Włodarczyk & Henryk Wachta & Krzysztof Baran, 2020. "Properties of Fractional-Order Magnetic Coupling," Energies, MDPI, vol. 13(7), pages 1-16, March.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:7:p:1539-:d:336774
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    References listed on IDEAS

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    1. Marcin Leśko & Antoni Różowicz & Henryk Wachta & Sebastian Różowicz, 2020. "Adaptive Luminaire with Variable Luminous Intensity Distribution," Energies, MDPI, vol. 13(3), pages 1-22, February.
    2. Krzysztof Baran & Antoni Różowicz & Henryk Wachta & Sebastian Różowicz & Damian Mazur, 2019. "Thermal Analysis of the Factors Influencing Junction Temperature of LED Panel Sources," Energies, MDPI, vol. 12(20), pages 1-20, October.
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    Cited by:

    1. Jan Staszak, 2022. "Solid-Rotor Induction Motor Modeling Based on Circuit Model Utilizing Fractional-Order Derivatives," Energies, MDPI, vol. 15(17), pages 1-16, August.
    2. Sebastian Różowicz & Zbigniew Goryca & Antoni Różowicz, 2022. "Permanent Magnet Generator for a Gearless Backyard Wind Turbine," Energies, MDPI, vol. 15(10), pages 1-12, May.

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