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SFRA, Detect of Winding Deformation in Power Transformer
B. Gopinath1, C. Shankar2, C. Jaya Meenakshi3, P. Meena4, K. Sudha5

1Dr. B. Gopinath*, HOD, Department of EEE, Vivekanandha College of Technology for Women, Tiruchengode, India.
2Mr. C. Shankar, Department of EEE, Vivekanandha College of Technology for Women, Tiruchengode, India.
3C. Jaya Meenakshi, EEE Department, Vivekanandha College of Technology for Women, Tiruchengode, India.
4P. Meena, EEE Department, Vivekanandha College of Technology for Women, Tiruchengode, India.
5K. Sudha, EEE Department, Vivekanandha college of technology for women, Tiruchengode, India.
Manuscript received on February 10, 2020. | Revised Manuscript received on February 24, 2020. | Manuscript published on March 10, 2020. | PP: 1392-1395 | Volume-9 Issue-5, March 2020. | Retrieval Number: E2563039520/2020©BEIESP | DOI: 10.35940/ijitee.E2563.039520
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: The sweep frequency response analysis is extensively used technique for detect hidden fault and condition monitoring of power transformer. The operation is administered by supply a coffee voltage signal of varying frequencies to the transformer windings and measuring both the input and output signals. These two signals give the specified response of the ratio is named the transfer function of the transformer from which both the magnitude and phase are often obtained. Frequency response is change as measured by SFRA techniques may indicate a phase transition inside the transformer, then causes of fault identified and investigation is required for root cause analysis. 
Keywords: Sweep Frequency Response Analyzer Doble M5100, SFRA, Winding Deformation, Power Transformer, SFRA Traces.
Scope of the Article: Frequency selective surface