中国电力 ›› 2021, Vol. 54 ›› Issue (10): 134-143,195.DOI: 10.11930/j.issn.1004-9649.202009034

• 国家“十三五”智能电网重大专项专栏:(五)电力传感技术及应用专栏 • 上一篇    下一篇

宽频带范围下磁场能量收集的匹配网络设计

聂晴晴, 彭晗, 李红斌, 康勇   

  1. 华中科技大学 电气与电子工程学院 强电磁工程与新技术国家重点实验室,湖北 武汉 430074
  • 收稿日期:2020-09-04 修回日期:2021-09-03 出版日期:2021-10-05 发布日期:2021-10-16
  • 作者简介:聂晴晴(1997-),女,硕士研究生,从事宽禁带电力电子器件应用与磁场能量收集研究,E-mail:n_qingqing@hust.edu.cn;彭晗(1984-),女,通信作者,博士,教授,从事能量收集和基于新型功率器件的高性能电能变换研究,E-mail:pengh@hust.edu.cn;李红斌(1967-),女,教授,从事电气检测技术研究以及智能变电站二次设备研究,E-mail:lihongbin@hust.edu.cn;康勇(1965-),男,教授,从事电力电子拓扑、控制及应用、宽禁带半导体器件封装、集成及应用、新能源发电装备与系统、电能质量控制、交直流传动、电磁兼容技术等研究,E-mail:ykang@hust.edu.cn
  • 基金资助:
    国家自然科学基金面上资助项目(驱动损耗与碳化硅器件损耗协同优化的高功率密度谐振驱动研究,52007077);中央高校基本科研业务费专项资金资助项目(2019KFYXKJC014)

Design of Matching Network for Magnetic Field Energy Harvesting in Wide Frequency Range

NIE Qingqing, PENG Han, LI Hongbin, KANG Yong   

  1. State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
  • Received:2020-09-04 Revised:2021-09-03 Online:2021-10-05 Published:2021-10-16
  • Supported by:
    This work is supported by National Natural Science Foundation of China (Research on High-Power-Density Resonant Gate Driver with Driving Loss and Silicon Carbide Device Loss Co-optimization, No.52007077) and the Fundamental Research Funds for the Central Universities (No.2019KFYXKJC014)

摘要: 磁场能量收集技术是电磁环境中分布式传感器实现自供能的有效手段。与工频磁场和射频磁场等单一频率的磁场环境不同,电力变换器中的磁场分布具有宽频率范围特性。为了提高取能模块的功率密度,应尽可能多地在有限体积内收集能量,提出通过采用双级谐振-带通滤波网络。与此同时,基于相同取能线圈,充分对比了不同电流和负载特性下,单级谐振网络和双级谐振-带通网络的输出特性,归纳出双级谐振-带通网络的适用范围。

关键词: 磁场能量收集, 高频, 宽频率范围, 单级谐振, 双谐振带通, 输出功率

Abstract: Magnetic field induction energy harvesting is an effective solution for self-powered sensors in electromagnetic environment. Different from electric field and RF energy of single frequency, the electromagnetic field in power conversion systems contain wide frequency ranges. To increase the power density of self-powering module, it is important to harvest as much as power within limited volume. A dual-resonance bandpass filtering network is thus proposed. Furthermore, the output characteristics of the single LC resonant network and dual-resonance bandpass network are compared under different current patterns and load conditions. The suitable application conditions for dual-resonance bandpass network are summarized.

Key words: electromagnetic energy harvesting, high frequency, wide frequency range, singe LC resonant network, dual-resonance bandpass network, output power