Numerical and Circuit Modeling of the Low-Power Periodic WPT Systems

被引：12

作者：

Steckiewicz, Adam ^{[1
]}

Stankiewicz, Jacek Maciej ^{[1
]}

Choroszucho, Agnieszka ^{[1
]}

机构：

[1] Bialystok Tech Univ, Fac Elect Engn, Wiejska 45D, PL-15351 Bialystok, Poland

来源：

ENERGIES | 2020年 / 13卷 / 10期

关键词：

wireless power transfer; wireless charging; circuit modeling; numerical analysis;

D O I：

10.3390/en13102651

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This article presents a method for analysis of the low-power periodic Wireless Power Transfer (WPT) system, using field and circuit models. A three-dimensional numerical model of multi-segment charging system, with periodic boundary conditions and current sheet approximation was solved by using the finite element method (FEM) and discussed. An equivalent circuit model of periodic WPT system was proposed, and required lumped parameters were obtained, utilizing analytical formulae. Mathematical formulations were complemented by analysis of some geometrical variants, where transmitting and receiving coils with different sizes and numbers of turns were considered. The results indicated that the proposed circuit model was able to achieve similar accuracy as the numerical model. However, the complexity of model and analysis were significantly reduced.

引用

页数：17

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