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| 电力电缆接头测温系统的设计 | |
| 引用本文： | 徐元哲,王乐天,刘雪冬,李波.电力电缆接头测温系统的设计[J].高电压技术,2009,35(12):2977-2982. |
| 作者姓名： | 徐元哲 王乐天 刘雪冬 李波 |
| 作者单位： | 1. 东北电力大学,吉林,132012 2. 山东电力工程咨询院有限公司,济南,250013 3. 吉林供电公司,吉林,132012 |
| 基金项目： | 吉林省信息产业发展专项资金(2008(40号))~~ |
| 摘 要： | 电缆接头是电缆的薄弱环节,电缆接头温度是反映其运行状态的重要参数。为及时准确了解电缆接头的运行状况,设计了电缆接头温度在线监测系统。首先根据传热学理论,分析电缆接头的传热形式和特点,应用有限元分析软件求解电缆接头的温度场分布。然后根据光纤Bragg光栅(FBG)的传感原理,采用热反应灵敏的光纤光栅传感器和精度较高的微型光谱仪设计测温系统,其中对传感器进行优化设计,并通过包绕方式安装传感器。该系统不受电磁辐射的干扰和光源波动的影响;传感器可在一条光纤上串接复用,实现准分布式测量。实验表明,该系统可以实时监测电缆接头的温度变化,实现电缆事故预警。 |
| 关 键 词： | 电缆接头 温度 在线监测 传热学 光纤Bragg光栅(FBG) 传感器 |
Design of Temperature Measurement System for Cable Junction Based on FBG |
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| XU Yuan-zhe , WANG Le-tian , LIU Xue-dong , LI Bo.Design of Temperature Measurement System for Cable Junction Based on FBG[J].High Voltage Engineering,2009,35(12):2977-2982. | |
| Authors: | XU Yuan-zhe WANG Le-tian LIU Xue-dong LI Bo |
| Affiliation: | XU Yuan-zhe1,WANG Le-tian2,LIU Xue-dong3,LI Bo1(1.Northeast Dianli University,Jilin 132012,China,2.Shandong Electric Power Engineering Consulting Institute Co.,Ltd.,Jinan 250013,3.Jilin Power Supply Company,China) |
| Abstract: | Cable junction is the weak link of the cable,the temperature of the cable junction is very important and it reflects the cable junction running.We designed the temperature monitoring system of the cable junction.The temperature field in cable junction was calculated and simulated by the finite element method based on heat transfer.The temperature is different between the surface of cable junction and the conductor was analyzed,and a temperature measurement system of cable junction was presented based on Fib... |
| Keywords: | cable junction temperature on line monitoring heat transfer fiber Bragg grating(FBG) sensor |
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