Determination of Partial Discharge Severity in Power Transformers Based on the Starting Decomposing Material | ||
| International Journal of Applied Energy Systems | ||
| Article 1, Volume 1, Issue 2, July 2019, Pages 47-51 PDF (1.7 M) | ||
| Document Type: Original papers | ||
| DOI: 10.21608/ijaes.2019.169948 | ||
| Authors | ||
| Sherif S.M. Ghoneim* 1; Sobhy S. Dessouky2; Adel Elfaraskoury A.3; Ramy. N. R. Ghaly4 | ||
| 1Faculty of Industrial Education, Suez University, Egypt | ||
| 2Faculty of Engineering, Port Said University, Egypt | ||
| 3Laboratories& Researches and Tests, Egyptian Electricity Holding Company Cairo, Egypt | ||
| 4Mataria Technical College in Cairo Ministry of Higher Education Cairo, Egypt | ||
| Abstract | ||
| Dissolved gas analysis (DGA) is a common technique to identify transformer faults. The transformer faults are identified based on the concentration of the combustible gases such as Hydrogen (H2), Methane (CH4), Ethan (C2H6), Ethylene (C2H4), Acetylene (C2H2), and Carbon mono-oxide (CO) in addition to the ratios between these gases. On the other hand, the DGA technique identifies only the transformer fault type not the severity of this fault. In this paper, three objectives should be achieved, the first one is determining the transformer fault type based on the Duval triangle rules using a Fuzzy Logic model and secondly, determining the partial discharge severity based on a thermodynamic approach based on the starting decomposing materials (n-Octane (C8H18) and Eicosane (C20H42)), thirdly, comparing the severity of the partial discharge based on the type of the starting decomposing material. The results indicate that the severity of the partial discharge influenced by the type of starting decomposing material. | ||
| Keywords | ||
| Partial Discharge; Power Transformer; Dissolved Gas Analysis; Insulating Oil | ||
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