2T.K.Saha.Review of modern diagnostic techniques for assessing insulation condition in aged transformers. IEEE Transactions on Dielectrics and Electrical Insulation . 2003
3M.C.Lessard,,L.Van Nifterik,,M.Masse,J.F.Penneau,and Robert Grob.Thermal Aging Study of Insulating Papers Used in Power Transformers. 1996 IEEE Annual Report-Conference on Electrical Insulation and Dielectric Phenomena . 1996
4T. K. Saha,,M. Darveniza,,D. J. T. Hill,,G. Yeung.Investigating the effects of oxidation and thermal degradation on electrical and chemical properties of power transformers insulation. IEEE Transactions on Power Delivery . 1999
5M. D. T. K. Saha,D. J. T. Hill,Z. T. Yao,G. Yeung.The application of interfacial polarisation spectra for assessing insulation condition in aged power transformers. Intern Conf. Large High Voltage Electric System. CIGRE‘98 . 1998
6Unswort h J,Mitchell F.Degradation of electrical insulating Paper monitored with high performance liquid chromatography. IEEE Transactions on EI . 1990
7A. M. Emsley,,R. J. Heywood,M. Ali,,X. Xiao.Degradation of cellulosic insulation in power transformers Part 4: Effects of ageing on the tensile strength of paper. IEE Proceedings: Science, Measurement and Technology . 2000
8L.E. Lundgaard,,W. Hansen,,D. Linhjell,,T.J. Painter.Aging of Oil-Impregnated Paper in PowerTransformers. IEEE Transactions on Power Delivery . 2004
9I. Fofana,V. Wasserberg,H. Borsi,and E. Gockenbach.Challenge of mixed insulating liquids for use in high-voltage transformers, Part 2: Investigations of mixed liquid impregnated paper insulation. IEEE Electrical Insulation Magazine . 2002