Research of Transformer Intelligent Evaluation and Diagnosis Method Based on DGA
China Electric Power Research Institute, Haidian District, Beijing, China.
Oil chromatography analysis is the foundation of transformer fault diagnosis, In this paper, based on knowledge base of the oil chromatographic analysis, an extended research combining the improved three ratio method, BP neural network, and case-based reasoning method for the transformer fault diagnosis was proposed, in the purpose of building a transformer Intelligent Evaluation Diagnosis model, to improve the accuracy of the transformer fault diagnosis, which is of a great significance for practice.
© The Authors, published by EDP Sciences, 2016
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