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Steam Turbine

MD&A IBECS® – The Integrated Solution to Power Plant Control and Monitoring

Power plant control and monitoring can be complex given the need to integrate many different platforms. Adding to the complexity is the fact that HMI’s (Human-Machine Interface) supplied by the OEM often only interface with the OEMs controller and not with ancillary systems.  Lastly, ongoing support and updates from the common operating system may be […]

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Gas Turbine and Steam Turbine Services, Parts & Repairs

About MD&A With a rich 35 years of experience in the power generation industry, Mechanical Dynamics & Analysis is the most trusted company for turbine-generator needs. Our commitment to excellence has earned customer trust for all turbine-generator needs. We focus on delivering consistent quality and value with fast response, superior communications, and innovative solutions. MD&A […]

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Turbine Bucket Redesign & Modification

Turbine Bucket Redesign

Mechanical Dynamics & Analysis (MD&A) performed a turbine bucket redesign & modification on a variable-speed steam turbine. The unit is an essential prime mover for a compressor/chiller. The rotor was sent to MD&A’s Turbine-Generator Repair Facility in St. Louis, MO for standard blast cleaning, NDE and visual inspection. Inspection Stage 3 L-0 stage buckets and […]

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Thermodynamic Analysis on a Steam to Combined Cycle Plant Conversion

Heat Balance Example | Thermodynamic Analysis

Mechanical Dynamics & Analysis (MD&A) experts recently performed a thermodynamic analysis to assist our client in converting their coal and natural gas plant to combined cycle operation. The customer was able to locate a gray market Gas turbine and Heat Recovery Steam Generator (HRSG). Our team modeled how each component would interact with one another, […]

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MD&A Company Video

Mechanical Dynamics & Analysis is a steam & gas turbine and generator full service provider.  MD&A began in 1982 as a small engineering firm supporting power generation companies with third party consulting services.  Since its inception, MD&A has maintained an entrepreneurial culture and has focused on outstanding customer service. As a result, over 35 years later, […]

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D11 Problems & Repair Solutions

D11 Bowed Rotor | D11 Problems & Repairs Solutions

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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D11 Retrofit Solutions in light of Early Life Expectancy 

D11 Retrofit

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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Petro Vietnam’s Rapid Bearing Repair and Journal Machining

bearing repair

At Petro Vietnam Vung Ang 1 Thermal Power Plant, Mechanical Dynamics & Analysis (MD&A) experts recently repaired damaged babbitt bearings and refurbished journals for a customer on a steam turbine-generator with the unit in an assembled (rotor-in) condition. The unit was forced from service due to turbine bearing failures. In a quick turnaround, journal refurbishment […]

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Rotor Steeple Indications and Diaphragm Repairs

diaphragms repairs, Rotor Steeple

Mechanical Dynamics & Analysis (MD&A) experts recently completed steampath inspection and repair services for a customer during a major overhaul. The Alstom® steam turbine consisted of an HP/IP turbine (stages 1-15) and a single flow LP turbine (stages 16-21). A detailed incoming inspection was performed for the HP/IP and LP rotors and found relevant indications […]

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