Optimal time selection for the polarisation and depolarisation current measurement for power transformer insulation diagnosis

2007 IEEE Power Engineering Society General Meeting, PES

Volumn , Issue , 2007, Pages

  Saha, T K ^a,b   Pradhan, M K ^a,b   Yew, J H ^a,b  

^a IEEE

^b UNIVERSITY OF QUEENSLAND   (Australia)

Author keywords

Ageing; Charge difference; Condition monitoring; Conductivity; Current difference; Depolarisation current; Oil impregnated paper; Polarisation current; Transformer

Indexed keywords

CONDITION MONITORING; ELECTRIC CONDUCTIVITY; ELECTRIC INDUSTRY; ELECTRIC TRANSFORMER INSULATION; POLARIZATION;

CHARGE DIFFERENCE; CURRENT DIFFERENCE; DEPOLARIZATION CURRENT; OIL-IMPREGNATED PAPER; POLARIZATION CURRENT;

POWER TRANSFORMERS;

EID: 42549155215     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/PES.2007.385514     Document Type: Conference Paper

References (12)

1. T. K. Saha, "Review of modern diagnostic techniques for assessing insulation condition in aged transformers," Dielectrics and Electrical Insulation, IEEE Transactions on [see also Electrical Insulation, IEEE Transactions on], vol. 10, no. 5, pp. 903-917, 2003.
2. J. H. Yew, T. K. Saha, and A. Thomas, "Impact of Temperature on the Frequency Domain Dielectric Spectroscopy for the Diagnosis of Power Transformer Insulation,"Proceedings of the IEEE Power Engineering Society General Meeting, Montreal, 2006.
3. A. K. Jonscher, Dielectric relaxation in solids. London: Chelsea Dielectrics Press, 1983.
4. A. Kuchler, F. Hullmandel, K. Bohm, C. Neumann, N. Koch, K. Loppach, C. Krause, and J.-J. Alff, "Condition Assessment of Aged Transformer Bushing Insulations/'Proceedrngs of the CIGRE, Paris, France, 2006.
5. T. K. Saha and P. Purkait, "Investigation of polarisation and depolarisation current measurements for the assessment of oil-paper insulation of aged transformers," Dielectrics and Electrical Insulation, IEEE Transactions on [see also Electrical Insulation, IEEE Transactions on], vol. 11, no. 1, pp. 144-154, 2004.
6. U. Gafvert, "Dielectric response analysis of real insulation systems,"Proceedings of the Solid Dielectrics, 2004. ICSD 2004. Proceedings of the 2004 IEEE International Conference on, 2004.
7. S. M. Gubanski, P. Boss, G. Csepes, V. Der Houhanessian, J. Filippini, P. Guuinic, U. Gafvert, V. Karius, J. Lapworth, G. Urbani, P. Werelius, and W. Zaeng, "Dielectric response methods for diagnostics of power transformers," Electrical Insulation Magazine, IEEE, vol. 19, no. 3, pp. 12-18, 2003.
8. W. S. Zaengl, "Applications of dielectric spectroscopy in time and frequency domain for HV power equipment," Electrical Insulation Magazine, IEEE, vol. 19, no. 6, pp. 9-22, 2003.
9. C. Ekanayake, "Application of Dielectric Spectroscopy for Estimating Moisture Content in Power Transformer," in Department of Electric Power Engineering. Goteborg: Chalmers University of Technology, 2003, pp. 119.
10. G. Frimpong, U. Gafvert, and J. Fuhr, "Measurement and modeling of dielectric response of composite oil/paper insulation,"Proceedings of the Properties and Applications of Dielectric Materials, 1997., Proceedings of the 5th International Conference on, 1997.
11. U. Gafvert, L. Adeen, M. Tapper, P. Ghasemi, and B. Jonsson, "Dielectric spectroscopy in time and frequency domain applied to diagnostics of power transformers,"Proceedings of the Properties and Applications of Dielectric Materials, 2000. Proceedings of the 6th International Conference on, 2000.
12. C. Ekanayake, S. M. Gubanski, K. D. Mularachchi, and M. A. R. M. Fernando, "Diagnostic of power transformers in Sri Lanka application of dielectric spectroscopy in frequency domain,"Proceedings of the Proceedings: Electrical Insulation Conference and Electrical Manufacturing and Coil Winding Conference, 16-18 Oct. 2001, Cincinnati, OH, USA, 2001.