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Dresser-Rand Introduces An In-Line Electric Motor-Driven Compressor

Posted on January 4, 2006

For equipment operators in natural gas pipeline applications where quiet, emission-free operations are essential, Dresser-Rand has introduced the DATUM Model C (DATUM-C) electric motor-driven compressor.

The new pipeline compressor features an integrated, high-speed electric induction motor and the modular design advantages of the DATUM line. This unique design makes DATUM-C a solution for pipeline applications near urban areas where electric power is readily available, and environmental impact a concern.

For pipeline applications, the DATUM-C is designed with a single-stage impeller for an inlet flow of 600 mmscfd, and inlet pressure of 650 psig at 15 to 26 degrees C. The discharge pressure is 1160 psig. A second generation DATUM-C design is already in development with up to five impellers for higher pressure requirements.

One of the most significant design features of the DATUM-C is the use of magnetic bearings. The integrated two-pole induction motor from Curtiss-Wright uses magnetic bearings supplied by Kingsbury, and a self-contained natural gas cooling system. The unit operates at 10 MW with 6900 volts available at the terminals, and a maximum continuous speed of 12 000 r/min.

For more information: www.dresser-rand.com

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