Generator Rotor Slot Tooth Weld Repair

Mechanical Dynamics & Analysis (MD&A) experts recently performed a Generator Rotor Slot Tooth Weld Repair. Initially, the generator rotor suffered a double ground fault incident that tripped the unit offline. The customer contacted MD&A to perform disassembly, testing, and evaluation of the condition of the unit. Once the generator rotor was removed, visual inspections confirmed melted […]

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Structured Remaining Life Assessment

Mechanical Dynamics & Analysis (MD&A) assessed both the current condition and remaining life of a 1968 Vintage fossil-fired 445MW D8 steam turbine following 700 starts and 345,000 operating hours. The owner wanted to know if the asset was safe to continue to operate and if it could be considered for repowering for another twenty years […]

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Generator Field Support Platform

Mechanical Dynamics & Analysis (MD&A) experts have constructed a generator field support platform to allow for removal of the field when performing a 7FH2 Generator Major Inspection. Rotor field inspections can either be performed on-site or in a shop environment.  Repairs generally require the rotor field to be transported to a qualified repair facility.  MD&A […]

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Electric Generators 2018 Annual Review

Read Electric GENERATORS 2018 Annual Review, a special report by CCJ.  It is complied from presentations made at the third GUG (Generator Users Group) conference from last August.  Electric Generators Review (PDF) MD&A is an exclusive sponsor and can meet all your generator needs! See you at 2018 GUG conference where our experts are presenting again! […]

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In-Place Stationary Shaft Machining Capabilities

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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Investing in Journal Bearing Ball Ring Repairs

MD&A continues to invest in new facilities that enable us to expand our quality service and repair offerings. For example, our Bearings, Seals and Hydraulics division recently acquired a new horizontal bore machine at its Euclid, OH plant to enable delivery of precision ball ring repairs on journal bearings.  The horizontal bore machine, shown in […]

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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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Horizontal Mounted Actuator Upgrade for Toshiba® Units

MD&A performs repairs on hydraulic systems on all major turbine makes. We’ve built a solid reputation on governor stand repair, and now are forging an equally well-deserved reputation with actuator repairs.  Our experts designed a horizontal mounted actuator upgrade. At our 100,000-square-foot facility in Euclid, Ohio, we stock a large number of components, everything from MHC governor […]

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Mechanical Dynamics & Analysis LLC   |   19 British American Blvd., Latham, NY 12110   |   P (518) 399-3616   |   F (518) 399-3929