Power supply for Steel Rolling Mill Save occupancy: 3-phase 3-column Short-circuit Resistant Different&Convenient connection Voltage Available: 10kV, 11kV, 20kV,22kV,33kV,35kV..Usage:Rectifier Transformer widely apply for electrification, traction, transmission, DC power transmission, plating, excitation, battery charging, cascade speed regulation, electrolyzation, electrostatic precipitation and ...