Review of Key Technologies for High-Efficiency Magnetic Coupling Resonance Wireless Power Transfer System

Le résumé fourni par la source

Wireless Power Transfer (WPT) technology, as a key technology overcoming the constraints of wired power transmission, exhibits significant application potential in various scenarios such as mobile devices and electric vehicles. Among them, Magnetic Coupling Resonance Wireless Power Transfer (MCRWPT) has become a hotspot in research due to its distinct advantages. This paper systematically reviews the research progress of MCR-WPT technology in terms of high-efficiency and large-capacity power transmission, focusing on analysis from three core dimensions: coil parameter and structural optimization, compensation network design, and frequency control and optimization. Specifically, regarding coil design, it discusses the influence of coil size, material, and structure on the coupling coefficient and transmission efficiency; in the aspect of compensation networks, it compares the topological characteristics and application scenarios of low-order and highorder compensation networks; as for frequency control, it expounds the role of three strategies-dynamic tuning, frequency tracking, and coil reconstruction - in addressing frequency mismatch and splitting problems. Finally, it is pointed out that the problems of magnetic flux leakage loss and reactive power loss caused by the loose coupling of magnetic components remain key bottlenecks limiting system performance, providing guidance for future research directions.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.