Big compressor motor customised for 15-ton crane

Since structural changes in the plant were unwanted, Menzel replicated the mechanical interfaces of the existing motor. The motor’s outstanding feature is its massive base at 3 tons. Base, motor (14.7 tons) and cooler (2 tons) were installed one after the other.

Menzel won the contract due to its ability and willingness to respond to special requests. The family firm built the three-phase squirrel cage motor based on its MEBKSW series, which is characterised by high power density and offers flexible equipment options such as various cooling types.

The motor, with its bespoke base plate, features a total shaft height of 1120 mm, 6 MW rated output, 11 kV rated voltage, 57995 rated torque and 988 rpm rated speed. It has an IP54 protection rating with air-to-water heat exchanger (cooling type IC 86W). Like all Menzel machines, the compressor motor underwent comprehensive inspections in the manufacturer’s load test field before shipping. The customer traveled to Berlin for final testing and acceptance.