... driving, traction, static de-dusting, DC power transmission fields where rectification power ... electrolysis ,electrochemical, traction, drving, DC transmission, frequency conversion and rectified power ... Transformer, Type H-class Insulation Dry-type Transformer, ZGS Pad -- Mounted, YB Series Cubicle-type Substation, Furnace Transformer, Rectifier Transformer, Power Transformer, Distribution Transformer ...