The Bureau of Reclamation has awarded Andritz Hydro an $18.2 million contract to rewind three generators and replace excitation equipment at the 198.72-MW Folsom Dam hydroelectric plant.
Work involves all three turbine-generators at the plant, which is located on the American River north of Folsom, Calif.
The project includes the removal and disposal of three sets of armature windings, stator cores and excitation systems. The contractor is to furnish and install armature windings, stator cores and digital excitation systems; evaluate generators for mechanical limitations and perform modifications; and remove, refurbish and reinstall field poles.
The contractor is to remove and reinstall on-line generator performance monitoring system components for replacement of stator cores and windings.
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