A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Vijayakumar, G.
- Design and Implementation of Class EF2 Circuit Based Wireless Power Transfer
Authors
1 Department of EEE, Muthayammal Engineering College, Namakkal, Tamil Nad, IN
2 Department of EEE, Muthayammal Engineering College, Namakkal, Tamil Nadu, IN
Source
Wireless Communication, Vol 9, No 6 (2017), Pagination: 115-118Abstract
This paper presents the design and implementation of a Class EF2 inverter and Class EF2 rectifier for two -W Wireless Power Transfer (WPT) systems, one operating at 6.78 MHz and the other at 27.12 MHz’s It will be shown that the Class EF2 circuits can be designed to have beneficial features for WPT applications such as reduced second-harmonic component and lower total harmonic distortion, higher power-output capability, reduction in magnetic core requirements and operation at higher frequencies in rectification compared to other circuit topologies. A model will first be presented to analyze the circuits and to derive values of its components to achieve optimum switching operation. Additional analysis regarding harmonic content, magnetic core requirements and open-circuit protection will also be performed. The design and implementation process of the two Class-EF2based WPT systems will be discussed and compared to an equivalent Class-E-based WPT system. Experimental results will be provided to confirm validity of the analysis. A dc–dc efficiency of 75% was achieved with Class-EF2 -based systems.
Keywords
Wireless Power Transfer, Category EF Inverters, High Frequency Inverters.
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