| 利用光纤拉曼散射温度传感系统的电力电缆温度在线监测 |
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| 引用本文： | 孙峥,刘晓丽,朱士嘉. 利用光纤拉曼散射温度传感系统的电力电缆温度在线监测[J]. 光纤与电缆及其应用技术, 2009, 0(2): 33-37 |
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| 作者姓名： | 孙峥 刘晓丽 朱士嘉 |
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| 作者单位： | 孙峥,SUN Zheng(北京市电力公司丰台供电公司,北京,100071);刘晓丽,LIU Xiao-li(北京市电力公司朝阳供电公司,北京,100020);朱士嘉,ZHU Shi-jia(北京超高压公司,北京,100088) |
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| 摘 要： | 电力电缆线路运行温度在线检测技术是目前及时发现电力电缆线路局部过热点位置、检测运行线路的绝缘状态和计算导体载流量的首选技术措施。分布式光纤拉曼测温技术是利用激光在光纤中的传播特性,实现实时测量空间温度场分布的新技术,可以对光纤沿线的温度场进行分布式的连续检测。介绍了光纤拉曼传感技术的测温原理,以及基于此技术的电力电缆温度在线监测系统在实际中的应用,获得了一些仿真结果,并同传统的测温技术进行了详细的比较,说明分布式光纤拉曼测温系统应用于电力电缆在线监测的优势,适合于推广使用。
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| 关 键 词： | 电力电缆 在线监测 拉曼散射 温度传感 |
On-line Monitoring for Power Cable with Raman Scattering Optical Fiber Temperature Sensor |
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| SUN Zheng,LIU Xiao-li,ZHU Shi-jia. On-line Monitoring for Power Cable with Raman Scattering Optical Fiber Temperature Sensor[J]. Optical Fiber & Electric Cable and Their Applications, 2009, 0(2): 33-37 |
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| Authors: | SUN Zheng LIU Xiao-li ZHU Shi-jia |
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| Affiliation: | 1.Fengtai Power Company of Beijing;Beijing 100071;China;2.Chaoyang Power Company of Beijing;Beijing 100020;3.Beijing EHV Company;Beijing 100088;China |
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| Abstract: | The on-line temperature detection technology of power cable is the preferred technical measure which could timely find the local over hot location of electric cable lines,detect the insulation status of running lines,and calculate the conductor current carrying capacity.The distributed Raman temperature sensing technology is a novel technique surveying the real-time distribution of spatial temperature field.This technology is based on the propagation characteristic of laser beam in optical fiber.The distrib... |
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| Keywords: | power cable on-line monitoring Raman scattering temperature sensing |
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