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Development of Partial Discharge Measuring System Module by use of Wide and Narrow Band
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 Title & Authors
Development of Partial Discharge Measuring System Module by use of Wide and Narrow Band
Lee, Jong Oh; Yu, Kyoung-Kook; Shin, In-Kwon; Chang, Doc-Jin; Ahn, Chang-Hwan;
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 Abstract
Power plant is that very high reliability when industrial and economic impact on the overall electric power system is required, it is essential to improve the reliability, especially the fault prediction diagnosis. Since an accident caused by the partial discharge in the power plant is above state has a faster response characteristic than the other indications in the case of any, the partial discharge generated in the power plant immediately detect the deterioration of insulation due to the accident of the power plant and the non-drawn It should prevent or reduce. Partial Discharge Measuring Systems for UHV SF6 Gas Insulated Switchgear and power transformer on site installed has some probability of abnormal recognition in case of non-flexible deal with on site noise. Many methode to eliminate these kinds of noises, UHF Detection System is chosen as purchase description in Korea, but this system having a bandwidth between 500MHz 1.5GHz wide band. Initial install periods(about 20 years ago), this band had no strong signal source, but in these days this wide band have strong signals, such as LTE. So, module described in this paper is designed as simultaneously use with wide and narrow band for solve this noise problem, and introduce this system.
 Keywords
SF6-Filled Switchgear;Partial Discharge;Narrow Band;Wide Band;UHF;
 Language
Korean
 Cited by
 References
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