期刊
出版社
IEEE
DOI: 10.1109/ICIEA51954.2021.9516049
关键词
wireless power transmission; double-layer circular coil; anti-radial offset ability; Maxwell
The paper proposes a symmetrical double-layer circular coils structure to improve the coupling coefficient and the ability to resist radial offset by reducing the number of outer layer turns. This study provides a new idea for improving both system transmission efficiency and anti-radial offset ability.
In some practical applications of low-power coupled resonant wireless power transmission, besides the transmission efficiency, the anti-radial offset ability of the transceiver coils is also an important parameter to measure system performance. Consider that the positive correlation between the transmission efficiency and coupling coefficient of the coils, the symmetrical double-layer circular coils structure is proposed under the condition of maximizing the coupling coefficient in this paper. Based on the finite clement method, the Maxwell simulation software is used to analyze different models. Simulation shows that the double-layer structure which reduces the number of outer layer turns can improve the coupling coefficient and the ability to resist radial offset both. It provides an idea for improving the system transmission efficiency and anti-radial offset ability both.
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