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U.S. awards ABB exciter contract for Grand Coulee hydropower project

The Bureau of Reclamation awarded ABB Inc. a $16,973,385 contract to replace excitation systems of six generating units undergoing overhaul in the Third Power Plant at the 6,809-MW Grand Coulee project.

The agency awarded a $2 million contract in March to MWH Americas Inc. for planning and management of the proposed overhaul of Units G-19 through G-24 that have been in service since the mid-1970s on the Columbia River in Washington. (HydroWorld 3/3/09)

BuRec said it seeks six new digitally-controlled excitation systems complete with power potential transformers, power circuit breakers, rectifier bridges, and interconnecting medium-voltage alternating current busways.

Removal of existing equipment and modifications to current busways also are required.

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