Remote Monitoring Tool for Condition Assessment of Power Transformers 机翻标题: 暂无翻译,请尝试点击翻译按钮。

会议集名/来源
5th International Moratuwa Engineering Research Conference: 5th International Moratuwa Engineering Research Conference (MERCon), 3-5 July 2019, Moratuwa, Sri Lanka
出版年
2019
页码
457-461
会议地点
Moratuwa
作者单位
Department of Electrical Engineering, University of Moratuwa, Moratuwa, Sri LankaDepartment of Electrical Engineering, University of Moratuwa, Moratuwa, Sri LankaDepartmenDepartment of Electrical Engineering, University of Moratuwa, Moratuwa, Sri Lanka
作者
Stephan Fernando;Thirasara Gunaruwan;Vimukthi Gamage;Rasara Samarasinghe;Rohan Lucas;Pubudu Haputhanthirige
摘要
This paper introduces an analytical tool for remote monitoring of on-load power transformers. Dissolved Gas Analysis, which is the most recommended and accurate condition monitoring technique suitable for remote condition monitoring, is selected as the analytical method in this tool. Proposed setup supports remote condition monitoring by drawing an oil sample to the gas extraction unit where the dissolved gasses are extracted and sent to the gas analyzer without deenergizing the power transformers. Non-Dispersive InfraRed technology is used to measure the concentration of extracted gasses and the results are communicated to the control center using wireless technology. CO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> /CO ratio and Hydrocarbon analysis based on Duval's triangle are used to interpret the results for diagnostic purposes. Results obtained using the proposed tool have been validated against a commercial dissolved gas analyzer in order to certify the proper functioning of the tool. This tool, once fully implemented, can be used to monitor the condition of on-load power transformers from a remote location.
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关键词
chemical analysis;condition monitoring;fault diagnosis;power transformers
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