First study on harvesting electromagnetic noise energy generated by the frequency converters

Q3 Engineering

International Journal of Metrology and Quality Engineering Pub Date : 2023-01-01 DOI:10.1051/ijmqe/2023004

M. H. Raouadi, J. Fanton, O. Touayar

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Abstract

This paper proposes a novel environmental energy harvesting process. The source of energy consists of the electromagnetic (EM) noise emitted by the frequency converter system (inverter) and the harvester is composed by a monopole antenna and a full rectifier circuit. The operation of the frequency converter using MOSFET and IGBT switchers produces parasite currents in high frequency (100 KHz to 30 MHz) which are the principal cause of radiated EM noise. We have demonstrated that we can convert this EM noise into useful electrical energy to power wireless sensor nodes (WSNs) and other electronic devices. Experimentally, the EM noise is produced when the system “frequency converter + charge” is in operation mode. Moreover, the harvester has produced an uninterrupted power of 40 mW measured in accredited ISO/IEC 17025 laboratory. Furthermore, we have presented the output power of our device stored in 1 µF capacitor with demonstration examples of loading charges. These results offer opportunities for self-powered WSNs and electronic devices on a very large area of industrial applications with less use of conventional batteries.

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首次研究了采集变频器产生的电磁噪声能量

本文提出了一种新的环境能量收集工艺。能量源由变频系统(逆变器)发出的电磁噪声组成，收集器由单极天线和全整流电路组成。使用MOSFET和IGBT开关的变频器的操作产生高频寄生电流(100 KHz至30 MHz)，这是辐射电磁噪声的主要原因。我们已经证明，我们可以将这种电磁噪声转化为有用的电能，为无线传感器节点(wsn)和其他电子设备供电。实验结果表明，系统在“变频器+电荷”工作模式下会产生电磁噪声。此外，收割机已产生40兆瓦的不间断功率，经认可的ISO/IEC 17025实验室测量。此外，我们还展示了存储在1µF电容器中的器件的输出功率，并演示了加载电荷的示例。这些结果为自供电的wsn和电子设备提供了机会，可以在非常大的工业应用领域中使用较少的传统电池。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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