Radiation-chemical degradation of the paper insulation of power transformers.

This article studies the radiation chemical degradation of paper insulation in transformer oil and to monitor changes in the strength characteristics of this insulation. The immersion of the test paper in transformer oil, as well as the presence of impurities (primarily, lignin) in the paper, had almost no effect on the degradation process. Special experiments with the irradiation of plasticized paper in an argon atmosphere did not reveal differences in the radiation-chemical degradation of paper, as compared with irradiation in air, as it was the case with pure cellulose.