Why do we conduct tan delta test of cables? Tan delta test of cables is done to find out healthiness of cable insulation.Insulation is basically outer layer of the cables which is used to insulate the conductors inside. What is a tan-delta test & how it is done has been explained here. XLPE (Cross link … Read more
Why Tan delta testing is done? Tan delta test is conducted for transformer oil (read here) and also for electrical equipment like C.T, P.T, Transformers ,cables etc. Purpose of this test is to determine the condition of insulation. Insulating materials (oil and paper insulation on winding) may deteriorate due to moisture ingress, aging, mechanical stress … Read more