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Power Through Experience

Your Full-service, OEM-alternative
Learn More

Power Through Experience

Your Full-service, OEM-alternative
Learn More

For four decades, Mechanical Dynamics & Analysis is dedicated to offering high-quality, on-schedule, and cost-effective repair, services, and parts for steam, gas, and industrial turbines and generators that result in repeat business and positive customer feedback. We’re known far and wide for our knowledge and experience.

 

Steam Turbines
Gas Turbines
Generators
Industrial Turbines
What you need;
Where you
need it.

Mechanical Dynamics & Analysis (MD&A) provides power generators around the globe with a full-service, OEM-alternative for services, parts, and repairs for utility and industrial gas and steam turbines and generators. We deliver consistent quality and value with fast response, superior communications, and innovative solutions.

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MD&A Insight Blog

D11 Problems & Repair 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 

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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Steam Turbine Reheat Stop Valves Restoration

Mechanical Dynamics & Analysis (MD&A) performed a complete reheat stop valves restoration along with one LP stop valve. These RH stop valves on a Siemens Westinghouse® unit had not been fully restored for 14 years.   Pre-outage planning took place between our team and key plant personnel.  Upgraded valve materials were designed and manufactured, and […]
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Gas Turbine Exhaust Temperature Spreads

What is an exhaust temperature spread, and why is it so important to monitor and take appropriate action when an exhaust temperature spread develops? An exhaust temperature spread refers to a high differential in readings between the thermocouples placed radially around the exhaust of a gas turbine. The worst exhaust temperature spreads occur when the […]
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