Research on the Winding Deformation Testing System for Transformers Based on the FRA

Zhong Yuan Zhang; Yan Bo Wang; Lin Kang Zhang

doi:10.4028/www.scientific.net/AMR.986-987.1583

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 986-987Research on the Winding Deformation Testing System...

Research on the Winding Deformation Testing System for Transformers Based on the FRA

Abstract:

Short circuit currents or forces during transport can cause mechanical displacements of transformer windings. The transfer function method is presented as a tool to detect these displacements. In order to discover the hidden trouble of the transformer, in this paper, an on-line monitoring system based on FRA method is developed, the hardware performs the main functions: signal injection, filtering, amplifying, signal conditioning, and storing the result in computer. The software includes four modules: user login, data acquisition, data analysis, data query. Finally, the monitoring system is validated by a corresponding experimental study.

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Periodical:

Advanced Materials Research (Volumes 986-987)

Pages:

1583-1586

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.986-987.1583

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Online since:

July 2014

Authors:

Zhong Yuan Zhang*, Yan Bo Wang, Lin Kang Zhang

Keywords:

Frequency-Response Analysis (FRA), Module, Testing System, Transformer, Winding Deformation

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* - Corresponding Author

References

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