Study on long-term antioxidant properties of natural ester mixed insulating oil
Natural ester insulating oil has been widely used in distribution transformers because of its high ignition point,green environmental protection characteristics,and its main physical and chemical electrical properties can meet the requirements of power oil.However,compared with mineral insulating oil,natural ester has problems such as high kinematic viscosity,high pour point and poor oxidation stability,which limits its application environ-ment.In view of the above problems,this study evaluated the antioxidant activity of several common antioxidants,tested the influence of antioxidants on the oxidation stability and dielectric properties of mixed ester insulating oil,and carried out compound experiments to evaluate the application effect of antioxidants in insulating oil in advance,and provided a basis for the selection of antioxidants in mixed oil.This study provides some theoretical guidance for the development and performance improvement of ester insulating oil.
NETL
NSTL
万方数据
维普
