High-frequency displacement current transformer with just one winding

• Yahia Achour ^[1] ; Jacek Starzynski ^[1]
  1. [1] Military University of Technology in Warsaw

     Military University of Technology in Warsaw

     Warszawa, Polonia

     
• Localización: Compel: International journal for computation and mathematics in electrical and electronic engineering, ISSN 0332-1649, Vol. 38, Nº 4, 2019, págs. 1141-1153
• Idioma: inglés
• Enlaces
  • Texto completo
• Resumen

  • Purpose – This paper aims to describe a new concept of transformer based on the displacement current. The paper shows how this idea can be translated into reality and presents an example of a working design.

    Design/methodology/approach – The authors replace the primary winding of the transformer with a capacitor. The displacement current between the capacitor plates induces a magnetic flux in the core. This flux in turn induces electromotive force in the classical secondary winding.

    Findings – The basic mathematical aspects illustrated by results obtained from a simulation developed using a commercial software ANSYS-HFSS are given. The saturation of the magnetic core due to the applied high-frequency range is investigated and simulated using a finite difference time domain code implemented in MATLAB. A prototype transformer was built and tested; the obtained results confirm the previous ones from simulations.

    Originality/value – A new concept of the single winding transformer was used as a pulse forming circuit.