Self-powered Wireless Online Monitoring System for Electric Transmission Lines

doi:10.3901/JME.2022.20.083

Abstract

Abstract: Real-time online monitoring of transmission lines plays a very important role in the safe and reliable operation of state grids. However, the traditional power supply methods of online real-time monitoring system for transmission lines, such as induction power, solar energy, etc., are difficult to meet the needs of actual application scenarios. A hybrid self-powered energy collection method based on electromagnetic-piezoelectric-triboelectric nanogenerators was proposed, which converts the vibration energy of the transmission line into electrical energy to supply power to the online monitoring system. At the same time, the temperature, sag, and breeze vibration information of the transmission line is collected and sent to the terminal server wirelessly to realize real-time monitoring and early warning of the transmission lines. This system consists of a hybrid energy harvester, power management module, sensor module, wireless module, data analysis and processing module, etc., which realizes many functions, such as low-power self-powered sensing, wireless data transceiver, electromagnetic shielding, data analysis and display, real-time monitoring and early warning and so on. This system collects environment vibration to realizes self-powered sensing, combined with wireless transmission and IT, it forms a wireless transmission line monitoring network which has the advantages of strong real-time performance and high monitoring efficiency. It is of great significance in improving the stability and reliability of state grid.

Key words: transmission line, breeze vibration, energy harvester, energy management, online monitoring system

CLC Number:

TM619

HUANG Yonggang, LEI Wenqian, CHEN Wei, WANG Qi, YU Hua. Self-powered Wireless Online Monitoring System for Electric Transmission Lines[J]. Journal of Mechanical Engineering, 2022, 58(20): 83-91.

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URL: http://www.cjmenet.com.cn/EN/10.3901/JME.2022.20.083

http://www.cjmenet.com.cn/EN/Y2022/V58/I20/83

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