Load-independent Class EF inverters for inductive wireless power transfer

Load-independent Class EF inverters for inductive wireless power transfer
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用于感应式无线功率传输的独立于负载的 EF 类逆变器

DOI:
10.1109/wpt.2016.7498864
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发表时间:
2016
期刊:
--
影响因子:
--
通讯作者:
Aldhaher S
Aldhaher S
中科院分区:
--
文献类型:
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作者:
Aldhaher S

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本文将提出一个独立于负载的EF类逆变器的建模,分析和设计。该逆变器能够保持零电压开关(ZVS)操作,并为任何负载值产生恒定的输出电流,而无需调整或更换组件。该逆变器的负载无关特性在用作多兆赫高功率感应无线电力传输(WPT)应用中的初级线圈驱动器时非常有益,其中线圈与负载之间的距离是可变的。这里的工作从传统的负载相关EF类拓扑开始,然后指定实现负载无关性所需满足的标准。设计和开发一个240 W的负载无关的EF类逆变器驱动的初级线圈的6.78MHz的WPT系统将被讨论和实验结果将被提交给显示负载无关的功能时,线圈之间的距离的WPT系统的变化。
This paper will present the modelling, analysis and design of a load-independent Class EF inverter. This inverter is able to maintain zero-voltage switching (ZVS) operation and produce a constant output current for any load value without the need for tuning or replacement of components. The load-independent feature of this inverter is beneficial when used as the primary coil driver in multi-megahertz high power inductive wireless power transfer (WPT) applications where the distance between the coils and the load are variable. The work here begins with the traditional load-dependent Class EF topology for inversion and then specifies the criteria that are required to be met in order achieve load-independence. The design and development of a 240W load-independent Class EF inverter to drive the primary coil of a 6.78MHz WPT system will be discussed and experimental results will be presented to show the load-independence feature when the distance between the coils of the WPT system changes.
DOI: 10.1109/31.56074
发表时间: 1990
期刊: IEEE Transactions on Circuits and Systems
影响因子: --
作者:
R. Zulinski;K. Grady
通讯作者: K. Grady
适用于无线功率传输应用的 EF<inf>2</inf> 级逆变器
DOI: 10.1109/wpt.2015.7140141
发表时间: 2015
期刊: --
影响因子: --
作者:
Aldhaher S
通讯作者: Aldhaher S