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首页> 外文期刊>Power Electronics, IET >Load detection method for multiple-receiver wireless power transfer systems
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Load detection method for multiple-receiver wireless power transfer systems

机译：多接收机无线电力传输系统的负载检测方法

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摘要

The influence of the changes in load quantity on a multiple-receiver wireless power transfer (WPT) system should be minimised, so that the stability of received power for each load can be guaranteed. Here, a multiple-receiver WPT system with an series-series topology is compared with that with an inductance-capacitance-inductance-parallel (LCL-P) topology, and a WPT system with an LCL-P topology is selected to maintain the stability of load power. Then, the concept of effective working area is proposed. If the receivers are placed within the effective working area, the mutual inductances between receivers and transmitter are almost the same. Additionally, to realise the load detection method, which is convenient for system control purposes, reflection impedance theory is applied to detect the quantity of loads. Finally, the proposed circuit topology and detection method are practically verified in an experimental prototype.
机译：负载量变化对多接收机无线功率传输（WPT）系统的影响应减至最小，以便可以确保每个负载的接收功率的稳定性。在此，将具有串联串联拓扑的多接收机WPT系统与具有电感-电容-电感-并联（LCL-P）拓扑的WPT系统进行比较，并选择具有LCL-P拓扑的WPT系统以保持稳定性。负载功率。然后，提出了有效工作区的概念。如果将接收器放置在有效工作区域内，则接收器和发送器之间的互感几乎相同。另外，为了实现便于系统控制的负载检测方法，应用反射阻抗理论检测负载量。最后，在实验原型中对所提出的电路拓扑和检测方法进行了实际验证。

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