Remote monitoring of wind direction on overhead transmission lines based on Fiber Bragg Grating

2015 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Proceedings Pub Date : 2015-05-11 DOI:10.1109/I2MTC.2015.7151555

G. Ma, Jun Jiang, Qing Zheng, Cheng-Rong Li, Noel Vishal Nathan, Rui-duo Mu, Kai Zhou, Kuan Ye

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引用次数: 0

Abstract

A novel wind direction monitoring system for the overhead transmission lines based on Fiber Bragg Grating (FBG) sensing is proposed in this paper. Compared to the existing systems, this system has several unique advantages, such as free from power supply on site, excellent ability to avoid electromagnetic interference, immunity to temperature and long lifespan. Firstly, with horizontal FBG arrangement, light intensity loss of the anemoscope is reduced and the monitoring distance is significantly enlarged. Then, optimization model is proposed to solve the contradiction between wavelength shift ranges of FBG and startup wind speed. Lastly, an algorithm is proposed to obtain wind direction and to eliminate the temperature effect. Experiments were conducted in a wind tunnel to calibrate the sensor. The results indicate that the startup wind speed of the anemoscope is 1.488m/s, and the anemoscope works properly under different wind direction.

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基于光纤光栅的架空输电线路风向远程监测

提出了一种基于光纤光栅(FBG)传感的架空输电线路风向监测系统。与现有系统相比，该系统具有无需现场供电、抗电磁干扰能力强、抗温度、寿命长等独特优点。首先，水平布置光纤光栅减少了风速仪的光强损失，显著增大了监测距离。然后，针对光纤光栅波长漂移范围与启动风速之间的矛盾，提出了优化模型。最后，提出了一种获取风向和消除温度影响的算法。在风洞中对传感器进行了标定实验。结果表明，该风速仪启动风速为1.488m/s，在不同风向下均能正常工作。

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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2015 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Proceedings

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