7FA.04 (AGP) Gas Turbine Component Repairs – Enhancing Performance and Cost Savings

Mechanical Dynamics & Analysis (MD&A) is a leading provider of gas turbine component repairs. With a focus on maintaining optimal performance and reducing operating costs for our customers. MD&A has developed a range of repair processes for 7FA.04 advanced gas path (AGP) components. Significant savings can be realized by opting for lower-cost repaired spares instead […]

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Steam Turbine Rotor Repairs in Saudi Arabia

Steam Turbine Rotor

As a worldwide company, Mechanical Dynamics and Analysis (MD&A) recently completed on-site the installation of new buckets and covers on a Steam Turbine in Saudi Arabia, alongside conducting diaphragm repairs at our facility. We were contracted to perform an inspection and any necessary Steam Turbine rotor repairs. After a thorough inspection, bucket and cover repair […]

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Bucket Replacement for Non-Native Bucket

Bucket Replacement

MD&A was commissioned by a major U.S. utility to conduct a time-sensitive replacement for a non-native steam turbine bucket. The unit had previously received an OEM-supplied bucket upgrade, which created challenges for the customer. Since this was a modified unit, standard documentation was not sufficient. MD&A was able to leverage our deep experience within the […]

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Frame 5 Rotor Reconditioning and Rotor Life Assessment

Most large pulp and paper mills require vast amounts of reliable, base-load electric power. They also depend on steady high-temperature air and steam for their process operations. A large mill anticipated its current General Electric® Frame 5 gas turbine’s rotor would reach the end of its life cycle in 2024. A replacement would be needed. […]

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Houston Service Center Tour

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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Generator Stator Bar Abrasion Risk and Prevention

Generator Stator

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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Innovation Allows Efficient and Successful HP Rotor In-Place Machining

Shaft End Close Up View – Damaged Area

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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MD&A Completes Significant Combined-Cycle Inspection and Overhaul

Combined-Cycle Inspection and Overhaul

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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Steam Turbine Major Inspection and Repair in the Philippines

New Stage 7 Bucket Assembly

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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