A new diagnostic method to support standard frequency response analysis assessments for diagnostics of transformer winding mechanical failures

IEEE Electrical Insulation Magazine

Volumn 30, Issue 2, 2014, Pages 34-41

  Pham, D A K ^a   Pham, T M T ^a   Borsi, H ^a   Gockenbach, E ^a  

^a LEIBNIZ UNIVERSITY HANNOVER   (Germany)

Author keywords

diagnostic method; mechanical failure; power transformer; standard frequency responseanalysis assessment

Indexed keywords

FAILURE (MECHANICAL); FREQUENCY STANDARDS; POWER TRANSFORMERS; TRANSFORMER WINDINGS; WINDING;

DIAGNOSTIC METHODS; DIFFERENT FREQUENCY; ELECTRICAL PARAMETER; FREQUENCY RESPONSE ANALYSIS; FREQUENCY RESPONSE ANALYSIS(FRA) METHOD; MECHANICAL FAILURES; VOLTAGE RATIOS; WAVEFORM CHANGES;

FREQUENCY RESPONSE;

EID: 84896282093     PISSN: 08837554     EISSN: None     Source Type: Journal    
DOI: 10.1109/MEI.2014.6749571     Document Type: Article

References (9)

1. Frequency Response Analysis on Winding Deformation of Power Transformers, Standard DL/T911-2004, June 2005.
2. CIGRE Report 342 WG A2.26, "Mechanical-condition assessment of transformer windings using FRA," April 2008.
3. Draft Trial Use Guide for the Application and Interpretation of FRA for Oil Immersed Transformers, IEEE PC57.149/D8, Nov. 2009.
4. Power Transformers-Part 18: Measurement of Frequency Response, IEC 60076-18 Ed. 1.0, 2009.
5. D. M. Sofian, "Transformer FRA interpretation for detection of winding movement," PhD dissertation, Univ. Manchester, UK, 2007.
6. J. A. S. B. Jayasinghe, Z. D. Wang, P. N. Jarman, and A.W. Darwin, "Winding movement in power transformers: A comparison of FRA measurement connection methods," IEEE Trans. Dielectr. Electr. Insul., vol. 13, no. 6, pp. 1342-1349, Dec. 2006. (Pubitemid 44956068)
7. E. Rahimpour, J. Christian, K. Feser, and H. Mohseni, "Transfer function method to diagnose axial displacement and radial deformation of transformer windings," IEEE Trans. Power Del., vol. 18, no. 2, pp. 493-505, Apr. 2003.
8. D. A. K. Pham, T. M. T. Pham, H. Borsi, and E. Gockenbach, "A new method for purposes of failure diagnostics and FRA interpretation applicable to power transformers," IEEE Trans. Dielectr. Electr. Insul., vol. 20, no. 6, pp. 2026-2034, Dec. 2013.
9. S. V. Kulkarni, and S. A. Khaparde, Transformer Engineering: Design and Practice. New York, NY: Marcel Dekker, 2004, ch. 6.