Cranes motor on with new drive controls

In-Depth

In the next two years, US container port activity is expected to grow between six and eight per cent each year. In many US deep water ports, container cranes 20 to 25 years old have lost some of their original productivity and can no longer accommodate the anticipated growth. These older cranes utilise a variety of motor drive systems, including motor-generator (MG) sets and early solid-state silicon carbide rectifier (SCR) drives.

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