超声波无线电能传输系统电气建模方法

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Abstract This paper presents a theoretical model for a wireless ultrasonic power transfer system in the form of equivalent circuits.Resonant characteristics of the piezoelectric transducers are modeled usingconstitutive piezoelectric equations firstly.Then a system-level equivalent circuit model is developed and analyzed to obtain the system output characteristics.Experimental results verify the proposed model and demonstrate that 2.6 W electric power can be transferred across a 5 mm thick aluminum plate to a resistive load using a pair of 28 kHz piezoelectric transducers.

Key words： Ultrasonic power transfer ultrasonic wave acoustic energy transfer wireless power transfer

Received: 28 May 2015 Published: 21 October 2015

PACS:

TM315

Fund:Supported by National Natural Science Foundation of China (51377183,51277192)

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	Articles by authors
	Leung Ho Fai
	Dai Xin
	Hu Aiguo

Cite this article:

Leung Ho Fai,Dai Xin,Hu Aiguo. Electrical Modeling of a Wireless Ultrasonic Power Transfer System[J]. Transactions of China Electrotechnical Society, 2015, 30(19): 85-89.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2015/V30/I19/85

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