Design of coil parameters for inductive type wireless power transfer system in electric vehicles

INTERNATIONAL JOURNAL OF ENERGY RESEARCH(2022)

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摘要
Wireless power transmission (WPT) is becoming a more viable idea and creative solution, particularly for the battery charging of electric vehicles (EVs). Inductive power transfer (IPT) is a widely used wireless charging technology. Here, the energy transformation takes place between two coils that are magnetically coupled. WPT has recently increased the interest of researchers because it is such a secure, easy, and dependable method of recharging EVs. This article gives an idea to design the charging coils using WPT system by using resonant inductive coupling and also optimizes the coupling coefficient using rain optimization algorithm (ROA). Wireless power transfer based on inductive coupling may perhaps potentially be applied in many real-world applications. This article uses ANSYS MAXWELL and FEMM 4.1 software tools to analyze the results for 2D and 3D coil WPT systems. From these software simulation results, it has been illustrated that the distribution of flux between Tx and Rx is analyzed for spiral and rectangular coil shapes. The selected coupling coefficient is 0.08. At 95 kHz, the inductance is 34.76 mu H$$ \mu H $$, the mutual inductance is 9.16 mu H,$$ \mu H, $$ and the coupling coefficient is 0.2635. Highlights Design an efficient circuit to enhance the whole performance of WPT system. Self-inductance, mutual inductance, and coefficient of coupling parameter are analyzed. Rain optimization algorithm is designed to optimize the parameter for enhancing the efficiency.
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关键词
coil modeling, coupling coefficient, rain optimization algorithm, resonant inductive coupling, wireless power transmission
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