Discrimination among Winding Mechanical Defects in Transformer Using Noise Detection and Data Mining Boosting Method

سال انتشار: 1400
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 133

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شناسه ملی سند علمی:

JR_IECO-4-3_002

تاریخ نمایه سازی: 20 تیر 1401

چکیده مقاله:

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 (۱.۶ 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 ۱.۱, 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 ۹۲.۶۸% 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.

نویسندگان

Zahra Moravej

Electrical & Computer Engineering Faculty, Semnan University

Seyed Mahmood Mortazavi

Department of Electrical and Computer Engineering, semnan University .iran

Mojtaba Mohseni

Department of Electrical and Computer Engineering, amirkabir university.tehran.iran

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