References
- Bognar A, Kalocsai L, Csepes G, Nemeth E,Schmidt J. Dielectric tests of high voltage oil paper insulating systems (in Particular Transformer Insulation) Using DC Dielectrometrics, Proc. CIGRE, 33rd Session, 2, Paris, 1990;15:33-08.
- Saha TK, Hill DJT, Yao ZT, Yeung G, Darveniza M, The application of interfacial polarization spectra for assessing insulation condition in aged power transformers, CIGRE session, Paris, 1998.
- Ildstad E, Gafvert U, Tharning P, Relation between return voltage and other methods for measurements of dielectric response. IEEE International Symposium on Electrical Insulation, USA, 1994:25-28.
- Houhanessian VD, Zaengl WS. On-site diagnosis of power transformers by means of relaxation current measurements. Proc. IEEE International. Symposium on Electrical Insulation, USA, 1998: 28-34.
- Leibfried T, Kachler AJ. Insulation diagnostics on power transformers using the polarisation and depolarisation current (PDC) analysis. Conference Record of the 2002 IEEE International Symposium on Electrical Insulation, USA, 2002: 170-173.
- Alff JJ, Houhanessian VD, Zaengl WS, Kachler AJ. A novel, compact instrument for the measurement and evaluation of polarisation/depolarisation currents conceived for on-site diagnosis of electric power apparatus. Conference Record of the 2000 IEEE International Symposium on Electrical Insulation , USA, 2000: 161-167.
- Kozlovskis K, Rozenkrons J. Temperature dependence of return voltage characteristics, IEEE Trans. Power Delivery, 14--3, 1999:705-708.
- Sheiretov Y, Zahn M. A study of the temperature and moisture dependent dielectric properties of oil-impregnated pressboard. Conference on Electrical Insulation and Dielectric Phenomena, 1993:487-492.
- Gjaerde AC, Lundsgaard L, Ildstad E. Effect of temperature and moisture on the dielectric properties of oil-impregnated cellulose. Proc. 9th International Symposium on High Voltage Engineering, Austria, paper No. 1060, 1995.
- Densley RJ, Gupta BK. Effect of temperature on sensitivity of diagnostic tests on oil-impregnated paper insulation. Proc. IEEE Electrical Insulation Conference and Electrical Manufacturing and Coil Winding Conference, 2001:601-604.
- Hongyan C, Birlasekaran S. Temperature dependent relaxation studies on oil-filled transformer. IEEE International Symposium on Electrical Insulation, 2002:174-78.
- Jonscher AK. Dielectric relaxation in solids. Chelsea Dielectric Press, 1983.
- Gafvert G, Ildstad E. Modelling return voltage measurement of multi-layer insulation systems.Proc. 4th International Conference on Properties and Applications of Dielectric Materials, AUS, Paper 4234, 1994:123-126.
- Frimpong G, Gafvert U, Fuhr J. Measurement and modelling of dielectric response of composite oil/paper insulation.Proc. 5th International Conference on Properties and Applications of Dielectric Materials, 1, 1997:86-89.
- Diabi R, Filippini JC, Marteau C, Tobazeon R. On the role of temperature and impurities in the low field conduction of insulating liquids, Proc. 12th International Conference on Conduction and Breakdown in Dielectric Liquids,1996:350-353.