Tour our specialized, state-of-the-art MD&A Houston Service Center! Our Gas Turbine Parts Service Facility team has proven expertise on combustion and hot gas path components. View our Houston Service Center Tour Video below and then call MD&A today at (210) 618-8571 or use our Contact form. Welcome to MD&A’s Houston Service Center in Houston, Texas. MD&A is […]
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Mechanical Dynamics & Analysis has analyzed and resolved generator stator bar abrasion events that have become common on some newer GE® Frame 7F and 324, 330, or 390 generators. The damage can cause ground faults leading to forced outages and complete stator rewinds. A principal cause of the abrasion is traceable to side ripple spring-induced […]
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Mechanical Dynamics & Analysis (MD&A) has successfully utilized specially designed equipment for HP Rotor in-place machining to effectively repair a damaged steam turbine rotor, resulting in substantial savings in both cost and time. The high-pressure (HP) section of a 320 MW Alstom® STF30 steam turbine was severely damaged. Over time, the rotor’s shaft end at […]
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Hermiston Generating Plant For Hermiston Generating Plant in Oregon, Mechanical Dynamics & Analysis (MD&A) completed a complex, multiple-component combined-cycle major inspection and overhaul project that successfully brought both turbines and both generators back to full and reliable operations. The 474 MW combined-cycle plant was depending on the complete and efficient renewal of its Unit 2 […]
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Mechanical Dynamics & Analysis (MD&A) recently performed a steam turbine major inspection and repair service on a GE® G10 steam turbine in the Philippines. Initial inspection revealed numerous deficiencies that needed to be remedied. Outage consisted of High Pressure/Intermediate Pressure (HP/IP) turbine section major inspection, HP control valves #3 and #4 inspection, and the left-side […]
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MD&A Fuel Nozzle Services Division can extend the service life of a Fuel Nozzle End Cover Insert. The life expectancy of an end cover increases from the OEM claim of 48,000 hrs. to over 125,000 hrs. with a new maximum of 7 insert replacements per cover. A braze-cracking issue can occur with F-Class DLN 2.0 […]
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At MD&A, We truly work together, as one team! We collaborate, we listen, we innovate. We put energy behind everything we do! Explore A Career with a Powerful Purpose! Apply Here Safe and reliable electric power doesn’t just happen. It’s created, generated, most often by one of these, joined to one of these. Each […]
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The common GE® D11 steam turbine, a single-casing HP/IP design used extensively in combined cycle applications, is demanding increased focus during normal outages, and ongoing attention for reliability, efficiency, and plant safety. Fundamental reasons are intensified by market-driven calls for continued cycling and low-load operation. Units modified for higher efficiencies and compatibility with 7FA Gas […]
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Relative to historical industry experiences, D11 steam turbines have come of age at an early stage in their lifecycle and are strong candidates for retrofit solutions. The most common reasons reported to MD&A for prompting retrofit consideration include (1) reliability issues, (2) technology obsolescence, and (3) changes within plant operating missions and steam cycles (e.g. […]
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