2×3200kw Main Shaft Master-Slave Control Drive

China Coal Group Mengda Mining –  Hiconics successfully installed in the 2×3200kw master-slave control system in the main shafts of Mengda Mining. The rated hoisting weight in this application is 40t. The two VFDs use master-slave control methods and the short period output power of each unit can reach approximately 3500kw at its highest. A single VFD is also able to run stably with a full load at half speed. Hiconics currently is a domestic leader in the development of synchronous hoist motor VFD technology.