The full range serves fans, pumps, compressors and rolling mills in thermal power, cement, petrochemical, water supply, mining and metallurgy for energy-saving speed control. Vector control and a high-performance controller give precise regulation, patents across software, hardware and system level raise reliability, and on-site service is quick. Complete retrofit solutions cover axial induced-draft and forced-draft fans and boiler feed pumps in coal plants and sinter main fans in steel works; the 25 MVA four-quadrant converter with motor-and-steam dual drive serves a national power demonstration project.
