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Huge subsea motor passes testing

A Hayward Tyler product story
Edited by the Engineeringtalk editorial team Mar 14, 2008

Massive subsea pumps are set to drive their seawater injection pumps on the StatoilHydro Tyrihans project in the Norwegian Sea.

Hayward Tyler has tested the largest subsea motor ever built.

The 2500kW subsea motor is the first of three ordered by Aker Kvaerner Subsea, a provider of surface and subsea solutions for the oil and gas industry, to drive their seawater injection pumps on the StatoilHydro Tyrihans project in the Norwegian Sea.

The motors have been developed in close co-operation with Aker Kvaerner Subsea.

The qualified Hayward Tyler design for the 2500kW variable speed, super synchronous motor will operate at speeds ranging from 2500 to 4000 rev/min.

The subsea motors will have increased insulation (11kV) to accommodate the electrical challenges faced by the world's largest subsea motor and longest step out (31.4km) from the Kristin platform.

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