Archives

100th High-Speed Balance

Mechanical Dynamics and Analysis is proud to announce its 100th rotor balance in our High-Speed Balance Facility. Our High-Speed Balance Facility became operational in 2013 and is one of the most modern balance facilities for power turbines in the United States. MD&A’s facility was designed with both vacuum capability and the ability to excite generator […]

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Triplet Type Main Stop Valve Upgrade

The MD&A Parts Division Triplet Type Main Stop Valve upgrade reduces solid particle erosion (SPE), thereby increasing valve component life! View the video on the advantages of the main stop valve upgrade and for additional information call MD&A Parts Division today at (518) 885-3199 or use our Contact form. Solid Particle Erosion (SPE) occurs where steam […]

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Casing/ Shell Weld Repairs & Re-Rounding

For many years, the OEM fix for major cracking or shell distortion was replacement of the defective shell, also referred to as casing by some OEMs, with new. Mechanical Dynamics and Analysis has provided an alternative to shell replacements which includes fixing the existing shell to extend its life. MD&A recently welded and repaired the […]

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Turbine Blade Replacement

Mechanical Dynamics and Analysis inspected and repaired a double flow low pressure (DFLP) rotor and inner cylinder after a generator motoring incident. Our experts removed and replaced six rows of rotating blades along with machining the horizontal joints of both halves and certain bores of the inner cylinder to enable the unit to return to […]

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7FH2 Gas Turbine Generator Repair

Mechanical Dynamics and Analysis was contracted to remove a combined cycle site’s old 234MVA 7FH2 gas turbine generator field, along with supplying and installing a new 7FH2 gas generator field. MD&A performed this turnaround in a few weeks. Our reputation for accuracy and reliability in power plant services has spanned over 30 years. Our technical […]

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Steam Turbine Rotor Repairs

Mechanical Dynamics and Analysis inspected and repaired a 20 MW industrial rotor. The unit was a 15 stage single condensing design. MD&A’s experts successfully designed and modified the N-1 packing area, and removed the stage 3 and 4 wheels. Power plant owners face a major challenge of keeping aging turbines up and running — efficiently […]

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Topless Turbine Laser Alignment

Mechanical Dynamics and Analysis’ Topless Turbine Laser Alignment ® Service eliminates the time consuming and expensive process of reassembling a steam turbine for “Tops-On” alignment measurements, saving hundreds of man-hours labor per turbine section. Most centerline alignment activities are moved off the critical path, reducing outage duration by days. Why Align? Correct bearing loading, reducing […]

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Connect with MD&A on Social Media

Connect with MD&A on LinkedIn, Twitter, Google+, and YouTube in order to hear from our experts & discover our new engineered solutions & learn about our case studies. MD&A has been solving customer problems since 1982!   LinkedIn MD&A Twitter @mdaturbines Google+ MD&A Turbines YouTube MD&A Turbines  

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Alstom® Generator Pole Crossover Modification

MD&A has developed multiple pole crossover designs to address the Alstom® generator pole crossover cracking issue.  These designs reduce the chance of cracking of both the braze interface and the jumper itself. Have MD&A look at your generator field today, call our Turbine-Generator Repair Facility at (314) 880-3000 or use our Contact form.

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MD&A Solution for 7FH2 & 324 Stator End Winding Dusting Issues

Over the past decade there have been several reports of dusting on the GE® 7FH2 & 324 stator end winding systems. The dusting has been found on earlier and late model generators as a result of materials used during manufacturing. MD&A is experienced in evaluating the areas dusting has been found and making repairs which […]

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