Research of Fault Type of Transformer Winding Based on Frequency Response Analysis

Abstract:

In this paper, a novel method based on FRA is proposed to detect both the fault and the deformation type. Firstly, a model of the transformer winding is established based on the electrical properties of winding. Secondly, as the winding frequency response curve change in accordance with the change of the parameters of winding model, the rule of the variation of winding frequency response curve is drawn out based on the model above. Thirdly, the effect of various types of winding deformation on the changes of the parameters of transformer winding model is summarized. Finally, an experimental example of the diagnosis of deformation type is conducted on a testing transformer based on the analysis of frequency response curves, hence the validation of the correctness of the simulation results.

• Periodical: Applied Mechanics and Materials (Volumes 448-453)
• Pages: 2270-2273
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.448-453.2270
• Online since: October 2013
• Authors: Xin Zhang, Xin Wang*, Yi Hui Zheng, Li Xue Li, Li Dan Zhou, Chang Shun Zhao
• Keywords: Frequency Response Analysis Method, Power Transformer, Simulation and Test, Winding Deformation

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