ABB Industrial Drives Upgrade for 200-Tonne Charging Crane Case Note
This case note describes how ABB industrial drives with a crane control program were used to upgrade a 200-tonne charging crane at Ruukki Production’s Raahe steel works, enabling precise master-follower load sharing between mechanically connected motors. The upgrade improved operational safety, reliability, and redundancy, with spare drives available for emergency backup and accurate slow-speed control via direct torque control (DTC) technology.
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