Design and Modelling of Class EF Inverters for Wireless Power Transfer Applications
Design and Modelling of Class EF Inverters for Wireless Power Transfer Applications
复制标题
用于无线功率传输应用的 EF 类逆变器的设计和建模
DOI：
10.1109/powermems49317.2019.61547406204
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发表时间：
2019
期刊：
影响因子：
--
通讯作者：
P. Mitcheson
中科院分区：
文献类型：
--
作者：
Ioannis Nikiforidis;J. Arteaga;C. Kwan;D. Yates;P. Mitcheson
Class EF inverters have been widely used recently as primary coil drivers for wireless power transfer applications since they achieve constant output current across a range of link coupling factor values. As the operating frequency that the inductive link is tuned at increases the traditional circuit design techniques that are based on first order calculations fail to represent the inverter behaviour accurately. In this paper, we present a novel method of modelling Class EF inverters that is based on state space representation of the circuit and thus providing the highest accuracy possible. Our method consists of a combination of analytical and numerical calculations in such manner that any parasitic component of the circuit, such as the nonlinear output capacitance of a power switch, can be included in the tuning process.
