Inductive Power Transfer System With Self-Calibrated Primary Resonant Frequency

Autor:	Mohamad Sawan, Sami Hached, F. Mounaim, Ahmed Chiheb Ammari, Aref Trigui
Rok vydání:	2015
Předmět:	Resonant inductive coupling Engineering business.industry Electrical engineering Capacitance Power (physics) law.invention Inductance Capacitor law Electronic engineering Maximum power transfer theorem RLC circuit Sensitivity (control systems) Electrical and Electronic Engineering business
Zdroj:	IEEE Transactions on Power Electronics. 30:6078-6087
ISSN:	1941-0107 0885-8993
DOI:	10.1109/tpel.2015.2399417
Popis:	Inductive power transfer (IPT) is a commonly employed technique for wirelessly supplying power to implantable medical devices. A major limit of this approach is the sensitivity of the inductive link to coupling factor variations between transmitting and receiving coils. We propose in this paper a new method for compensating these variations and improving the inductive link efficiency. The proposed technique is based on a mechatronic module that dynamically tunes the primary resonant capacitor value in order to maintain the resonance state of the IPT system. The module is able to maintain resonance state for apparent primary inductance range at least from 0.5 to 5 $\mu {\rm H}$ using a high capacitance resolution of 0.032 pF. Experimentations conducted on a 13.56-MHz IPT system showed a $65\%$ higher power transfer compared to a traditional IPT system.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::f4331804b3bda6e232735a233c39e1cb https://doi.org/10.1109/tpel.2015.2399417 Zobrazit plný text záznamu