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MAN Diesel & Turbo Develops 18 MW Electric Motor

Posted on November 29, 2010

MAN Diesel & Turbo has achieved ATEX certification for its newly developed 18 MW high-speed electric motor.

For two years, HOFIM M33 units have been equipped with an integrated 10 MW high-speed motor design. With the latest development step, the HOFIM/MOPICO family can now be provided with an upscale motor to boost the power up to 18 MW. This new ‘M43’ motor-compressor unit received its ATEX certification operating at 10 000 r/min and holds the world record for such high-speed machines in terms of power and speed, according to MAN Diesel & Turbo.

The current step of development is a result of the company’s R&D program, preparing the motor-compressor series MOPICO and HOFIM for subsea applications. This concept has been especially designed for oil and gas upstream applications. A unique motor design allows the unit to handle a wide range of gas qualities including wet and sour gas as found in upstream oil & gas applications.

Each motor-compressor unit consists of a single or tandem compressor arrangement. The complete rotating assembly levitates in magnetic bearings and is installed in a hermetically sealed housing, thus eliminating the need for shaft seals to atmosphere, the company said. The entire unit is oil-free and creates no gas emissions, meeting governmental requirements and environmental needs.

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