Transformer’s Condition Assessment Method Based on Combination of Cloud Matter Element and Principal Component Analysis - Energy and Power Engineering

EPE > Vol.9 No.4, April 2017

Transformer’s Condition Assessment Method Based on Combination of Cloud Matter Element and Principal Component Analysis ()

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Download as PDF (Size: 370KB) PP. 659-666

DOI: 10.4236/epe.2017.94B071 2,788 Downloads 3,704 Views Citations

Author(s)

Qianli Hong¹, Jiantao Zhang¹, Qing Xie¹, Shaodong Liang¹, Yuqin Xu¹, Si Li², Weitao Hu³

Affiliation(s)

¹Department of Electrical Engineering, North China Electric Power University Baoding, Hebei, China.
²Beijing Electric Power Corporation, Beijing, China.
³State Grid Hebei Maintenance Branch, Shijiazhuang, China.

ABSTRACT

With the development of power grid, as one of the key equipment, the transformer’s condition assessment method has always receive attention from experts, scholars concern more and more about the method’s practicality and reliability. In the traditional condition assessment method, due to the characteristics of the transformer’s complex structure, the assessment system is not comprehensive enough, or the assessment system is too complex, the indexes are not easy to quantify, such problems are emerging. The traditional method is complex and the degree of quantification is not enough. Therefore it is necessary to propose a condition assessment method that is easy to carry out the condition assessment work and does not affect the assessment results. In this paper, we propose a method to assess the state of the transformer’s complex structure. First, we establish a comprehensive assessment system, then apply the method of principal component analysis to optimize the index system, and then use the theory of cloud-matter-element. Finally the reliability and rationality of the method are verified by an example.

KEYWORDS

Transformer, Assessment Method, Principle Component Analysis, Cloud Model

Share and Cite:

Hong, Q. , Zhang, J. , Xie, Q. , Liang, S. , Xu, Y. , Li, S. and Hu, W. (2017) Transformer’s Condition Assessment Method Based on Combination of Cloud Matter Element and Principal Component Analysis. Energy and Power Engineering, 9, 659-666. doi: 10.4236/epe.2017.94B071.

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