Recent Advances in Wireless Power Transfer System

Dear Colleagues,

Wireless power transfer domain is a key domain of great importance due to the advances in wireless communication and semiconductor technology. These advances have produced a wide variety of portable consumer electronic, medical, and industrial devices. However, the mobility degree of these devices is strongly reliant on how often you must manually plug them in to recharge their batteries. More, as portable devices shrink, connectors become a larger fraction of the system size. Thus, it is a growing interest of researchers to focus on the implementation of wireless technologies in battery recharging. Wireless power offers the possibility of connector-free electronic devices, which could improve size and reliability.

Wireless power transfer system via magnetically coupled resonant circuits is widely studied mostly because these resonant systems allow efficient power transfer at mid-range distances. Using multiple magnetic couplings, one can extend the link distance in wireless power transfer systems. For example, to achieve this extension efficiently in terms of power transfer, the intermediary coils have series connection, and the emitter and receiver coils can have different connections (series–series, series–parallel, parallel–series and parallel–parallel).

The main objective of this Special Issue, “Recent Advances in Wireless Power Transfer System”, is to focus on the most recent achievements in the theory and practice of circuit analysis, the simulation, and the design of modern wireless power transfer, especially for transportation, consumer electronics, smart grids, biomedical purposes, and other applications. Of special interest are those papers concerning the optimal topology of the wireless power transfer system to extend the distance between emitter and receiver and to improve the load power and its transmission efficiency, especially for those used for electrical vehicle battery charging. Any topic related to circuit design, electromagnetic field analysis, application development and system implementation will be in the scope of the Special Issue’s interest.

Prof. Dr. Mihai Iordache
Dr. Marilena Stanculescu
Dr. Dragos Niculae
Guest Editors

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• wireless power transfer system
• optimization
• transmission efficiency