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Steam Turbine

Rapid Steam Turbine Replacement

Figure 6. IP/LP Rotor Assembly Installed at the Power Plant

Mechanical Dynamics & Analysis (MD&A) completed a comprehensive and rapid steam turbine replacement project in record time after the unit experienced a catastrophic failure event, requiring the replacement of the entire steam turbine and auxiliaries. THE CHALLENGE:   The subject power plant is an important electrical generating facility in the country it is located within.  Returning the […]

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Operating Surveillance

Mechanical Dynamics & Analysis’ (MD&A) experts performed a steam turbine and generator Operating Surveillance for a customer where various issues and leaks were identified for the operating unit. The Operating Surveillance service is typically performed while the unit is online and takes 2-3 days depending on the size and complexity of the unit. These results […]

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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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Video de la compañía MD&A

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 

Readaptación de turbinas D11

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