An F-Type Compensated Capacitive Power Transfer System Allowing for Sudden Change of Pickup
An F-Type Compensated Capacitive Power Transfer System Allowing for Sudden Change of Pickup
复制标题
允许突然改变拾音器的 F 型补偿电容式电力传输系统
DOI：
10.1109/jestpe.2018.2859423
复制
发表时间：
2019-06
影响因子：
5.5
通讯作者：
孙跃
中科院分区：
文献类型：
--
作者：
苏玉刚;赵鱼名;呼爱国;王智慧;唐春森;孙跃
当使用电容式电力传输（CPT）技术向可移动设备无线供电时，拾取器的突然移入和移出将导致系统结构的突然改变。因此，逆变器的电流和电压可能急剧增加，这可能会损坏半导体开关或其他电路组件，并且在拾取器被移除之后系统可能会消耗大量电力。针对这一问题，本文提出了一种基于电感-电容-电感谐振网络特性的F型补偿CPT系统。建立了CPT系统的稳态模型，并给出了一组设计方程。仿真和实验结果验证了该拓扑结构及其参数设计方法的可行性和有效性。实验表明，CPT原型可以自我保护，并在拾取器被移除后自动进入待机模式，并在拾取器移回初级电路后恢复以高功率效率（>80%）向负载提供所需功率（>25 W），这是所提出的系统的固有特征，而不是依赖于任何额外的检测和控制。
When wirelessly supplying electric power to movable devices using capacitive power transfer (CPT) technology, the sudden move in and move out of the pickup will cause a sudden change to the system structure. As a result, the current and voltage of the inverter may increase dramatically, which may destroy the semiconductor switches or other circuit components, and the system may consume a lot of power after the pickup is removed. To address the issues, this paper proposes an F-type compensated CPT system based on the characteristics of the inductor–capacitor–inductor resonant network. A steady-state model of the proposed CPT system is established, and a set of design equations is provided. The feasibility and validity of the proposed topology and its parameter design method have been verified by the simulation and experimental results. It has demonstrated experimentally that the CPT prototype can be self-protected and automatically enter standby mode after the pickup is removed, and restore to deliver the required power (>25 W) to the load at a high power efficiency (>80%) after the pickup is moved back to the primary circuit, which are the inherent features of the proposed system rather than relying on any additional detection and control.
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