Global Multiyear Major Outages

Mechanical Dynamics & Analysis (MD&A) recently performed multiyear outages for a customer on several different units in Colombia. First unit:  This was a major outage and generator test & inspection. In addition, this unit was retrofitted with a new rotor, bearings, and steam path components that required machining, including installing and fitting new nozzles. MD&A […]

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Hydrogen Seal Upgrades

MD&A Bearings, Seals & Hydraulics division stocks a large quantity of hydrogen seals at our Euclid, OH facility, and we can service any size of machine. If we don’t have the seals in stock, our skilled technicians can fabricate them using material we have in the shop. When a customer orders a set of hydrogen […]

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MD&A Safety: Human Performance Improvement

MD&A is officially integrating Human Performance Improvement (HPI) concepts into our safety program; so you might ask…what is HPI? HPI is an approach to safety improvement that integrates the lessons learned from scientific studies in human factor engineering and behavioral psychology into “system based” concepts to improve how decisions are made and to reduce the […]

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Generator Stator Rewind

MD&A has a long track record of successful generator stator rewinds on-site. Stator bar aging puts your generator at risk so let our experts with superior workmanship and responsiveness perform your next stator rewind. MD&A uses superior materials to complete the job. You can count on MD&A’s attention to quality! View the video to see […]

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Throttle Valve Seat Upgrade

MD&A was contracted to modify both the left and the right-hand side throttle valves on a Westinghouse® steam turbine. The work was done at the power plant and was designed to reduce distortion on the valve casing, as well as the bonnet fit, and stud threads. As the on-site work was being performed, highly skilled […]

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Expert Repair of Generator High Voltage Bushings

Insulated devices known as bushings enable an electrical conductor to pass safely through a grounded conducting barrier. Generator bushings are designed to lead current induced in the stator windings through the pressurized, hydrogen-gas tight, earthed generator housing. A typical bushing consists of a conductor surrounded by insulation, except for the terminal ends. As part of […]

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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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