Power distribution transformers using natural ester fluids as dielectric and coolant

Silva Ortega, Jorge Iván | 2016-12-19

Researches related with the use of Natural Ester Fluids as refrigerant of power transformers has been developed in other countries with successful re-sults. In Colombia there is no a procedure to control the use of these esters in electrical apparatus, so the cur-rent implementations are regulated by NTC 1465 stan-dards for mineral esters. This new proposal involves the composition and the most relevant properties (the ignition resistance, impact on the lifetime of the in-sulating papers and the impact on the environment), which makes the application of natural esters fluids advantageous not only to preserve the environment but also to get a better performance of power transformers.