Transformer bushings, wall bushings, oil-oil bushings, etc.
EGU – HV Laboratory a.s. successfully performed Dielectric Type Testing and Temperature Rise Testing of transformer oil-oil bushings from 72.5 kV up to 550 kV.
Dielectric type testing using an insulating cylinder.
Temperature rise testing with simulating two oil temperature levels inside tanks up to testing current of 4 000 A.