... etc and electroplate,traction rectifier transformer for first grade.Vacuum immersed dry-type transformer has several advantages ... capacity, nonflammable, fireproof performance, low loss, small amount of partial discharge, low noise, does not produce harmful gas ... Rated capacity: SG(DG)10KVA-1000KVAVoltage grade: 0.5KVTechnical parameters of 10KV H grade series vacuum immersed dry transformer Spec. NO ...