应用于高压监测传感器的无线充电系统

Wireless Charging System Applied to High-voltage Monitoring Sensors

为解决高压复杂电磁场环境下在线监测传感器的供电问题,提出一套能够为在线监测传感器提供持续可靠电能供给的无线充电系统。系统结合了感应取能和谐振式无线电能传输技术,充分考虑了高压线路的绝缘需求和无线监测传感器的功率需求。结合理论分析和仿真建模对感应取能装置和谐振耦合机构进行优化设计,并提出一套完整的参数配置方案。最后通过系统级仿真对设计方案进行验证,结果表明,系统能够在满足输电线路绝缘需求的同时,提供高效稳定的电能供给。

A wireless charging system capable of providing continuous and reliable power to online monitoring sensors was proposed to solve the problem of power supply for online monitoring sensors in the environment of complicated high-voltage electromagnetic field.Inductive energy harvesting technology and resonant wireless power transmission technology were combined creatively in the system under sufficient consideration of the insulation requirements of the high voltage line as well as the power demand of the wireless monitoring sensor.Optimal design was completed for the inductive energy harvest device and resonant coupling mechanism through theoretical analysis and simulation modeling.Furthermore,a complete parameter configuration scheme was proposed.Finally,the proposed design scheme was verified through system-level simulation.Results showed that the proposed system could provide efficient and stable power supply while meeting the insulation requirements of the power transmission line.