Firstly there are no surge arrestors installed on any of the transformers, roughly 30 of them outdoors, and due to the climatic conditions contamination on the bushings is a major problem. I have noticed that on some of the older trafos fitted with arching horns there are no flash marks on the...
Looking for any info on arcing horns used on trafo MV bushings. Had too many flashovers causing damage to the bushings and now looking for a solution to prevent further/future damage to other installations. Thanx.
Making the smoke come out is easy... getting it back in... isn't!
