FBG传感技术在云南山地高压变电站及输变电设备在线监测中的应用研究  

Application of FBG Sensor Technology to On-line Monitoring of Montanic High Voltage Substations and Power Transmission/transformation Equipment in Yunnan Province

作　　者：李晓龙[1,2] 李川[1] 王达达 张少泉 李英娜[1] 

机构地区：[1]昆明理工大学信息工程与自动化学院,昆明650500 [2]昆明理工大学云南电网公司研究生工作站,昆明650217 [3]云南电力试验研究院(集团)有限公司电力研究院,昆明650217

出　　处：《高压电器》2013年第3期36-44,共9页High Voltage Apparatus

基　　金：云南省自然科学基金(2007F181M);云南电网公司科技项目变电站电气设备非电量在线监测研究(云电技术[2009]18号;云电技术[2010]1号;云电技术[2010]16号)~~

摘　　要：云南地处高原,复杂的地质条件与气候环境使得大多数山地变电站普遍存在地质结构安全、电力铁塔变形和输变电设备隐蔽部位超温等安全隐患,严重威胁着电力系统的稳定运行。利用光纤Bragg光栅(FBG)传感技术电绝缘、抗干扰、高精度和使用寿命长等物理特性,面向山地变电站及输变电设备研发建立集传感与传输于一体的全光纤非电量传感网络及智能信息在线监测系统,及时准确掌握变电站地质结构、铁塔形变和输变电设备隐蔽部位运行温度的实时状态。该技术成功应用于云南电网公司昭通供电局220 kV盐津变电站。The geological condition and climatic condition are complicated in the plateau region of Yunnan Province, where potential safety hazards, such as the instable geological structure, the deformation of electric power transmission tower, and the overtemperature of the hidden parts of power transmission/ transformation equipment, exist in most montanic electric substations. This situation endangers safe operation of the electric power system. The non-electricity full optical fiber sensor network and the intelligent information online monitoring system, which can realize detection and signal transmission, was constructed based on the special physical properties of the fiber Bragg grating （FBG）, such as electric insulation, anti-interference, high precision and long service life, with consideration of the requirements of montanic transformer substation and transmission/transformation equipment. Consequently, accurate real-time monitoring of the geological structure, the power transmission tower deformation and the working temperature of the hidden parts of power transmission/transformation equipment were implemented. The FBG sensing technology has been applied successfully to the 220 kV Yanjin transformer substation of Zhaotong Power Supply Bureau of Yunnan Power Grid Corporation.

关 键 词：FBG传感技术 山地变电站 输变电设备 地质结构安全 铁塔形变 隐蔽部位超温 在线监测 

分 类 号：TM76[电气工程—电力系统及自动化] TP212.9[自动化与计算机技术—检测技术与自动化装置]