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논문 기본 정보

자료유형
학술저널
저자정보
Rahmat-Allah Hooshmand (Shahrood University of Technology) Mahdi Banejad (University of Isfahan)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.3 No.3
발행연도
2008.9
수록면
293 - 299 (7page)

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초록· 키워드

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One of the problems with the fault diagnosis of transformers based on dissolved gas is the inability to match the result of the different standards of fault diagnosis with real world standards. In this paper, the results of the different standards are analyzed using fuzzy logic and then compared with the empirical test. The proposed method is based on the standards and guidelines of the International Electrotechnical Commission (IEC), the Central Electric Generating Board (CEGB), and the American Society for Testing and Material (ASTM) and its main task is to assist the conventional gas ratio method. The comparison between the suggested method and existing methods indicates the capability of the suggested method in the on-line fault diagnosis of transformers, In addition, in some cases the existing standards are not able to diagnose the fault. For theses instances, the presented method has the potential of diagnosing the fault. In this paper, the information of three real transformers is used to show the capability of the suggested method in diagnosing the fault. The results validate the capability of the presented method in fault diagnosis of the transformer.

목차

Abstract
1. Introduction
2. Dissolved Gases in the Transformer Oil
3. Methods of Analyzing Dissolved Gases in Oil
4. Fuzzy Logic Application
5. Results of Simulation
6. Conclusion
References

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