Influence of the coil winding direction on the efficiency of Wireless Power Transfer Systems

• Autorzy: Stankiewicz Jacek Maciej

Identyfikatory

DOI

10.15199/48.2022.04.31

Warianty tytułu

PL

Wpływ kierunku nawinięcia zwojów cewki na sprawność systemów bezprzewodowej transmisji energii

• Języki publikacji: EN

Abstrakty

EN

The article presents the results of numerical and analytical analysis of the Wireless Power Transfer System (WPT). The system consists of flat, square coils. Two WPT systems were considered: periodic and aperiodic. In the aperiodic arrangement, adjacent coils had their turns wound in the opposite direction. The influence of the winding direction, the number of turns and the distance between the coils on the efficiency of the WPT system was compared. The analysis covered a wide frequency range from 100 kHz to 1000 kHz. The results obtained with both proposed methods were consistent, which confirmed the correctness of the assumptions made. In periodic and aperiodic models, higher efficiency was achieved for a higher number of turns. The proposed aperiodic models of the WPT system show a higher system efficiency than periodic models by up to 40%. The proposed WPT system can be used for simultaneous charging of many sensors located e.g. in walls.

PL

W artykule przedstawiono wyniki analizy numerycznej i analitycznej Systemu Bezprzewodowego Przesyłu Mocy (WPT). System składa się z płaskich cewek kwadratowych. Rozpatrzono dwa układy WPT: periodyczny i aperiodyczny. W układzie aperiodycznym sąsiednie cewki miały nawinięte zwoje w przeciwnym kierunku. Porównano wpływ kierunku uzwojenia, liczby zwojów oraz odległości między cewkami na sprawność układu WPT. Wyniki uzyskane obiema zaproponowanymi metodami były zgodne, co potwierdziło słuszność przyjętych założeń. Analiza została przeprowadzona w szerokim zakresie częstotliwości (100 - 1000 kHz). W modelach periodycznych i aperiodycznych wyższą sprawność uzyskano dla większej liczby zwojów. Zaproponowane aperiodyczne modele systemu WPT wykazują wyższą sprawność układu niż modele periodyczne nawet o 40%. Proponowany system WPT może służyć do jednoczesnego ładowania wielu czujników umieszczonych np. w ścianach.

Słowa kluczowe

EN

wireless power transfer; WPT; planar coil; magnetic field; FEM

PL

bezprzewodowa transmisja energii; WPT; cewka planarna; pole magnetyczne; FEM

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2022
• Tom: R. 98, nr 4
• Strony: 148--153
• Opis fizyczny: Bibliogr. 33 poz., rys., tab.

Twórcy

autor

Stankiewicz Jacek Maciej

• Białystok University of Technology, Faculty of Electrical Engineering, Wiejska 45D, 15-351 Białystok

• https://orcid.org/0000-0002-1757-2203

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).