Renewal Parts Maintenance & Turbo Parts names changing to MD&A

We are pleased to announce that Renewal Parts Maintenance & Turbo Parts are coming under the MD&A brand. This change recognizes that both divisions embody the values we attach to the MD&A name: high quality, outstanding customer service, knowledgeable experts, on-schedule performance and an ongoing commitment to cost-effectiveness and ease of doing business for all […]

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Gas Turbine Capital Parts

MD&A’s is a full service global provider supporting all parts, repairs and service needs to maintain your gas turbine operating properly. Our Parts Division (formerly named Turbo Parts or TPL) is a premier worldwide supplier of replacement gas turbine parts and components. Through the breadth and depth of our engineers’ expertise, these master craftsmen can […]

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DFLP Rotor Straightening and Machining

Mechanical Dynamics & Analysis was contracted to straighten and machine a double flow low pressure (DFLP) rotor from a 3,600 rpm, 103 MW combined cycle power generating unit. The rotor forging arrived with both shaft ends bent. The Turbine end shaft end was bent and found to have a 0.007” total indicator runout (TIR) at […]

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Gas Turbine Major and Generator Test & Balance

Mechanical Dynamics and Analysis (MD&A) was contracted after a forced outage to perform a major overhaul on a cogeneration unit’s MS5001PA gas turbine, and to remove, test and inspect the generator field. Because the unit dispatches as baseload and the turbine is a critical asset, MD&A was asked to complete the repair work as quickly […]

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D11 Retrofit Solutions

Read our D11 Retrofit advertorial inside Power Engineering Magazine’s February issue. Read Power Engineering magazine’s full Feb issue online here.  Page 32 Steam Turbine Retrofits article & Page 41 MD&A’s D11 Retrofit advertorial. GE®D11 Retrofit Solutions in light of Early Life Expectancy Relative to historical industry experiences, GE® D11 steam turbines have come of age at an early stage in […]

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Happy 35th Anniversary!

Mechanical Dynamics & Analysis began in 1982 as a small engineering firm supporting power generation companies with third party consulting services.  It was founded by Jim Lindsey.  Since its inception, MD&A has maintained an entrepreneurial culture and has focused on outstanding customer service.  As a result, now in its 35th year, MD&A has evolved from […]

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Quick Valve Stand Repair

Even the best power plant team can run into problems that they cannot fix alone. That’s when a trusted partner like Mechanical Dynamics and Analysis (MD&A) is critical to get an asset back into service quickly. Take the generating unit whose valve stand suffered an exceptionally deep crack in its inner bore caused by an […]

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Onsite Seal Services

MD&A’s highly skilled technicians perform custom installations of packing rings and tip seals on-site using a unique mobile containerized machine shop. Our installation process ensures optimal clearances, maintaining design efficiency and reducing likelihood of vibration due to seal rubs. View the video on the advantages of our custom fitting of packing and seals. For additional […]

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High Speed Balance Article

Hear from our high-speed balancing expert, Keith Collins, in this article in Power Magazine’s November issue. High-speed turbine rotor balancing was once rare because of the costs and logistical challenges involved in doing it during an outage. That’s begun to change as economic options emerge, and experience is showing that high-speed balancing can pay big […]

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Generator Rotor Stub Shaft Repair

Mechanical Dynamics and Analysis (MD&A) was retained by a utility to perform a stub-shaft repair of a generator rotor collector-end shaft. The customer reported that the generator rotor had suffered a collector ring failure and also a ground to the main shaft. Major arcing and heat damage occurred to the generator rotor forging shaft. The […]

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