Temperature Monitoring System for HV Switches Based on Fiber-optic Temperature Sensor

ZHANG Shui-xiang; GAN Hui

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Temperature Monitoring System for HV Switches Based on Fiber-optic Temperature Sensor

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- Temperature Monitoring System for HV Switches Based on Fiber-optic Temperature Sensor
- High VoltageApparatus Vol. 44, Issue 6, Pages: 513-515(2008)
- 作者机构：
  
  宜春学院理工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM835.4
- Published：2008
- 稿件说明：
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[1]张水香,甘辉.基于光纤温度传感器的高压开关设备温度检测系统[J].高压电器,2008,44(06):513-515.

ZHANG Shui-xiang, GAN Hui. Temperature Monitoring System for HV Switches Based on Fiber-optic Temperature Sensor[J]. High voltageapparatus, 2008, 44(6): 513-515.
[1]张水香,甘辉.基于光纤温度传感器的高压开关设备温度检测系统[J].高压电器,2008,44(06):513-515. DOI：

ZHANG Shui-xiang, GAN Hui. Temperature Monitoring System for HV Switches Based on Fiber-optic Temperature Sensor[J]. High voltageapparatus, 2008, 44(6): 513-515. DOI：

摘要

高压开关触点、母线一般处于高电位

检测其温度一直是电力系统检测中的难题。针对这一问题

笔者提出了一种结合光纤技术的检测方法

利用AVR单片机控制光源

通过光强度型光纤温度传感器的调制

将带有温度信息的光信号耦合到LOG114芯片进行光电转换

输出信号再由AVR单片机进行A/D转换

经数据分析

得到高精度的温度值。结果表明

该系统具有精度高、体积小、易安装等特点。

Abstract

For directly detecting temperature of the contacts and bus of high voltage switch

this paper presents a detection method by making use of fiber-optic technology.An AVR microcontroller is adopted to control light source

the optical signal with temperature information is coupled into LOG114 chip for photo-electric conversion through modulation via light intensity type optical fiber temperature sensor

and A/D conversion of the output signal is then performed by the AVR microcontroller to obtain high-precision temperature values through calculation.The system has the features of high precision

small volume

and easy installation.

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