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논문 기본 정보

자료유형
학술저널
저자정보
Yiyi Zhang (Guangxi University) Hua Wei (Guangxi University) Ruijin Liao (Chongqing University) Youyuan Wang (Chongqing University China) Lijun Yang (Chongqing University) Chunyu Yan (China Electric Power Research Institute)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.12 No.2
발행연도
2017.3
수록면
830 - 839 (10page)

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초록· 키워드

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Support vector machine (SVM) is introduced as an effective fault diagnosis technique based on dissolved gases analysis (DGA) for oil-immersed transformers with maximum generalization ability; however, the applicability of the SVM is highly affected due to the difficulty of selecting the SVM parameters appropriately. Therefore, a novel approach combing SVM with improved imperialist competitive algorithm (IICA) for fault diagnosis of oil-immersed transformers was proposed in the paper. The improved ICA, which is proved to be an effective optimization approach, is employed to optimize the parameters of SVM. Cross validation and normalizations were applied in the training processes of SVM and the trained SVM model with the optimized parameters was established for fault diagnosis of oil-immersed transformers. Three classification benchmark sets were studied based on particle swarm optimization SVM (PSOSVM) and IICASVM with four multiple classification schemes to select the best scheme for transformer fault diagnosis. The results show that the proposed model can obtain higher diagnosis accuracy than other methods. The comparisons confirm that the proposed model is an effective approach for classification problems.

목차

Abstract
1. Introduction
2. Improved Imperialist Competitive Algorithm Based on Differential Evolution
3. Classification using Multiclass SVM Based on IICA
4. Benchmark Cases Analysis for Selecting Multiple Classification Schemes
5. Fault Diagnosis of Power Transformers Based on IICASVM
6. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2017-560-002172747