極寒地區(qū)油中溶解氣體在線監(jiān)測裝置選用分析
孟杰1，竇海燕1，趙影1，江翼2
(1 國網(wǎng)內(nèi)蒙古東部電力有限公司電力科學研究院，內(nèi)蒙古 呼和浩特 010020；
2 國網(wǎng)電力科學研究院武漢南瑞有限責任公司，湖北 武漢 430074)
摘 要：為提高油中溶解氣體在線監(jiān)測裝置在極寒地區(qū)運行可靠性與監(jiān)測數(shù)據(jù)的準確性，基于國家電網(wǎng)公司的調(diào)研材料，統(tǒng)計分析了不同監(jiān)測原理的油中溶解氣體在線監(jiān)測裝置的應用情況及其可靠性，分析了常見故障類型和原因。針對目前常用的技術組合，結(jié)合極寒地區(qū)在線監(jiān)測裝置的高可靠性和少維護量的要求，給出了油中溶解氣體在線監(jiān)測裝置選用建議。
關鍵詞：變壓器；油中溶解氣體；在線監(jiān)測裝置；極寒
中圖分類號：TM406 文獻標識碼：B 文章編號：1007-3175(2015)11-0038-04
Analysis on Selecting Online Monitoring Devices of Dissolved Gases in Transformer Oil in Severe Cold Region
MENG Jie1, DOU Hai-yan1, ZHAO Ying1, JIANG Yi2
（1 State Grid East Inner Mongolia Electric Power Company Limited Electric Power Research Insistute, Huhhot 010020, China;
2 Wuhan NARI Limited Liability Company of State Grid Electric Power Research Institute, Wuhan 430074, China）
Abstract: In order to improve reliability of the online monitoring devices of dissolved gases in transformer oil in severe cold region and accuracy of the monitoring data, based on the research of state grid, this paper proposed the statistical analysis of application and reliability of the online monitoring devices of dissolved gases in transformer oil on different monitoring principles and analyzed the types of common faults and its reasons. In allusion to common technical combination, combining with the requirement of high reliability and less maintain of online monitoring devices in severe cold region, this paper gave the advice of selecting the online monitoring devices of dissolved gases in transformer oil.
Key words: transformer; dissolved gases in oil; online monitoring device; severe cold region
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