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| 基于光纤传感技术的电接点温度在线测量系统的研制 | |
| 引用本文： | 牟帅,吴哲,余德明,钱祥忠.基于光纤传感技术的电接点温度在线测量系统的研制[J].温州大学学报(自然科学版),2011,32(6). |
| 作者姓名： | 牟帅 吴哲 余德明 钱祥忠 |
| 作者单位： | 1. 浙江电力变压器有限公司,浙江 温州 325014;同济大学电子与信息工程学院,上海 201804 2. 温州电力局,浙江 温州,325000 3. 浙江电力变压器有限公司,浙江 温州,325014 4. 温州大学物理与电子信息工程学院,浙江 温州,325035 |
| 基金项目： | 温州市科技局科技计划项目 |
| 摘 要： | 提出一种用于电力系统电接点的温度在线测量系统.该系统主要由宽带光源、光纤温度传感器、光纤滤波器、信号处理与放大电路和显示电路组成.利用螺旋液晶螺距对温度变化敏感的特性,将螺旋液晶填充到光子晶体光纤形成光纤温度传感器,温度变化引起最大反射光强点波长的变化,利用液晶螺距与温度之间的关系,实现接点温度的实时测量.本测量系统具有高电绝缘和抗电磁干扰等优点,特别适合于电力系统中电接点的温度在线检测. |
| 关 键 词： | 电接点温度:电力系统 温度在线测量 光纤传感技术 |
Development of On-line Measuring System of Electric Contact Temperature Based on Fiber-optic Sensing Technology |
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| MOU Shuai,WU Zhe,YU Deming,QIAN Xiangzhong.Development of On-line Measuring System of Electric Contact Temperature Based on Fiber-optic Sensing Technology[J].Journal of Wenzhou University Natural Science,2011,32(6). | |
| Authors: | MOU Shuai WU Zhe YU Deming QIAN Xiangzhong |
| Institution: | MOU Shuai1,2,WU Zhe3,YU Deming1,QIAN Xiangzhong4(1.Zhejiang Power Transformer Co.,Ltd,Wenzhou,China 325014,2.College of Electronics and Information Engineering,Tongji University,Shanghai,China 201804,3.Wenzhou Electric Power Bureau,China 325000,4.College of Physics and Electronic Information Engineering,Wenzhou University,China 325035) |
| Abstract: | An on-line temperature measuring system for electric contact of power system was presented in this paper.The system was mainly consisted of broadband optic source,fiber-optic temperature sensor,fiber filter,signal processing and amplification circuit,and display circuit.The fiber-optic temperature sensor,which made full use of the temperature sensitivity characteristic of helix liquid crystal's pitch,was made of photonic crystal that was filled with helix liquid crystal.When changing of temperature caused t... |
| Keywords: | Electric Contact Temperature Power System Temperature On-line Detection Fiber-optic Sensing Technology |
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