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The Study of Distributed Disturbance Recording System  

Park, Jong-Chan (오산대학 전기시스템제어과)
Lee, Se-In (유투에스 연구원)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers P / v.57, no.1, 2008 , pp. 30-35 More about this Journal
Abstract
In this paper, the application of power Quality monitoring based on Sampled Value(SV) which is introduced in the IEC61850 International Standard for substation communication are discussed. Firstly, while Merging Unit(MU) is designed as a process level device transmitting sensor data, the practical problems such as time delay compensation and optical fiber communication are encountered. Secondly, the Sampled Value message which is proper to a power quality monitoring system is presented. Because the power quality monitoring system requests less time-critical service compared to protection and control applications, the Sampled Value service message structure is introduced to improve efficiency. Lastly, the power quality monitoring server having various power quality analysis functions is suggested to verify the performance of Merging Unit With the diverse experiments, it is proved that the process bus distributed solution is flexible and economic for the power quality monitoring.
Keywords
IEC61850; Merging Unit; Sampled Value; Power Quality;
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  • Reference
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