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Discrimination among Winding Mechanical Defects in Transformer Using Noise Detection and Data Mining Boosting Method | ||
| International Journal of Industrial Electronics Control and Optimization | ||
| مقاله 2، دوره 4، شماره 3، آبان 2021، صفحه 277-284 اصل مقاله (1.18 M) | ||
| نوع مقاله: Research Articles | ||
| شناسه دیجیتال (DOI): 10.22111/ieco.2021.36793.1327 | ||
| نویسندگان | ||
| Zahra Moravej* 1؛ Seyed Mahmood Mortazavi2؛ Mojtaba Mohseni3 | ||
| 1Electrical & Computer Engineering Faculty, Semnan University | ||
| 2Department of Electrical and Computer Engineering, semnan University .iran | ||
| 3Department of Electrical and Computer Engineering, amirkabir university.tehran.iran | ||
| چکیده | ||
| IIn this paper, an efficient method to detect and discriminate mechanical defects of transformer winding based on extracting the winding frequency responses using outlier data detection and ensemble algorithms ,which in total constitutes an efficient hybrid method has been proposed. First, the frequency response of the high voltage winding of a real model of transformer (1.6 MVA) was extracted in different condition and arranged as primary data. Then, due to the high standard deviation of the characteristics and the weight of the outlier samples above the threshold of 1.1, the Local Outlier Factor (LOF) method was used to clean the samples. Finally, data mining algorithms have been used to detect and distinguish mechanical defects. Based on the results, the decision tree bagging ensemble method reported the best accuracy compared to other techniques and improved the accuracy of the decision tree with total accuracy of 92.68% by LOF. These results also showed that all methods improved accuracy by LOF. Therefore, it can be claimed that the proposed method has the ability to discriminate the mechanical defects of the transformer winding with appropriate accuracy. | ||
| کلیدواژهها | ||
| Frequency response؛ ensemble algorithms؛ Decision tree؛ Local Outlier Factor | ||
| مراجع | ||
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