1. Lv Y, Li X, Du Y, Wang F, Li C (2010) Preparation and breakdown strength of TiO2 fluids based on transformer oil. In: Annual report on electrical insulation and dielectric phenomena (CEIDP). IEEE, West Lafayette, Ind, USA
2. Erdman HG (1996) Electrical insulating oils STP 998. ASTM Publication, Philadelphia, PA, USA
3. Segal V, Rabinovich A, Nattrass D, Raj K, Nunes A (2000) Experimental study of magnetic colloidal fluids behavior in power transformers. J Magn Magn Mater 215:513–515
4. Bartley WH (2006) Investigating transformer failure. In: Proc of the Weidmann-ACTI 5th Annual Technical Conference on New Diagnostic Concepts for Better Asset Management, Hartford Steam Boiler Inspection & Insurance Company
5. EPRI Portfolio (2012) Transmission reliability and performance: 37.002, transformer life extension.
http://www.epri.com/portfolio/