Archives

Co-Gen Turbine Controls Retrofit

Mechanical Dynamics & Analysis’ Control Systems Division (MD&A Control Systems) replaced an industrial co-gen turbine’s original mechanical-hydraulic (MHC) controls with an electronic governor, electro-hydraulic trip system and self-contained control valve actuator. The primary drivers for the project were the operator’s desire to increase the long-term maintainability and reliability by replacing the MHC components that had […]

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Welcome Phoenix Turbine customers

MD&A Parts Division is pleased to announce the addition of Gas Turbine Shrouds to its portfolio of manufactured components. Working in conjunction with Phoenix Turbine, MD&A has transferred the required technical information, fixturing, tooling, and personnel to its Marion, Ohio manufacturing plant. From Marion, MD&A will continue to supply shrouds to customers in the power […]

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MD&A 7FH2 Spring Migration Repair

Mechanical Dynamics & Analysis’ (MD&A) experts offer a unique, patented repair process that eliminates the axial migration of slot leaf springs within 7FH2 generator fields.  This repair can also be applied to 324 generator fields. The blockage of the radial ventilation passages results in reduced hydrogen gas cooling flow, which can lead to thermal instabilities […]

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