变压器声发射分析

2020 IEEE 61th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2020-11-05 DOI:10.1109/RTUCON51174.2020.9316564

M. Gutten, M. Kučera, Viktor Cefer, Peter Brnčal, R. Jarina

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引用次数: 0

摘要

本文介绍了一种通过测量变压器的声、噪声和电磁发射来分析变压器运行的在线非接触测量方法。电动不旋转电机产生电磁波和声波，不仅可以分析其运行状态，还可以分析其可能出现的故障状态。对实际运行的25/6 kV和110/3 kV牵引变压器进行了声发射测量。研究了声场的空间分布和声场谱。初步结果表明，声学分析可能是大功率变压器健康状况的一种有用的替代选择。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Analysis of Transformers by Acoustic Emission

The article deals with an on-line noncontact measuring method for the analysis of transformer operation by measuring acoustic, noise and electromagnetic emissions. The electric non-rotating machine generates electromagnetic and acoustic waves, by means of which it is possible to analyze not only operating states but also its possible fault states. We performed measurements of acoustic emission on the traction transformers 25/6 kV and 110/3 kV that were in real operation. We studied the spatial distribution of the acoustical field as well as its spectra. Preliminary results have shown that acoustic analysis may be a useful alternative option for high-power transformer's health condition.

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来源期刊

2020 IEEE 61th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)

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