11. Transformer oil is part of the electrical insulation system of large power transformers and other electrical apparatus.12. The transformer oil was carried through cooling tubes located on both sides under the centre locomotive body. 13. It often starts within gas voids, such as voids in solid epoxy insulation or bubbles in transformer oil . 14. The accident caused an oil spill with at least 40 tonnes of transformer oil released, spreading over downstream of Yenisei. 15. Transformer oil is a highly refined mineral oil that cools the windings and insulation by circulating within the transformer tank.16. Article protected three days . References supplied by the company selling the transformer oil surely can't be described as impeccable. 17. The fats were reprocessed into animal feed that also contained transformer oil ( coolant fluid ), a known source of PCBs. 18. :No . As far as I know, no commonly-used transformer oil type ( mineral, silicone, or fluorocarbon ) contains any chlorine. 19. Polychlorinated biphenyls ( PCBs ) were formerly used as transformer oil , since they have high dielectric strength and are not flammable. 20. To assess the insulating property of dielectric transformer oil, a sample of the transformer oil is taken and its breakdown voltage is measured.
