In-Place Stationary Shaft Machining Capabilities

Stationary Shaft Machining

MD&A continues to enhance our “one-stop shop” capabilities for customers, most recently through the addition of in-place stationary shaft machining. In-place stationary shaft machining allows MD&A to repair damaged journals, collector rings, and seal areas without removing turbine and generator rotors from the unit. The compact setup easily fits under LP hood radii to allow […]

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Emergent Generator Re-wedge


Mechanical Dynamics & Analysis (MD&A) performed an emergent generator rewedge for a 260 MW Alstom® generator on-site in Mexico. The original work scope involved electrical testing of the generator rotor and stator, along with the removal of the retaining rings to inspect the insulation and blocking under the rings. Upon inspection of the stator, greasing […]

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Global Multiyear Major Outages

unit 4 generator field installation

Mechanical Dynamics & Analysis (MD&A) recently performed multiyear outages for a customer on several different units in Colombia. First unit:  This was a major outage and generator test & inspection. In addition, this unit was retrofitted with a new rotor, bearings, and steam path components that required machining, including installing and fitting new nozzles. MD&A […]

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