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Gas Turbine Exhaust Temperature Spreads

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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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Fall 2022 Webinar Series

Watch On Demand on our Webinar Archive Page! Fall Webinar Series 2022 | Assessing & Extending the Life of your Turbine-Generator Fleet As your fleet ages, many issues can arise. MD&A leverages the diverse experience of our engineers and Subject Matter Experts (SME) to help assess & extend the life of your gas turbine-generator or […]

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New Generator Stator Replacement

MD&A recently performed a Stator Replacement, removing the old stator off the foundation and replacing it with a brand new Stator. The generator stator traveled by large vessel overseas, then by railcar to the site. In addition, the project included a full test and inspection on field, where MD&A experts rewound, applied a blocking modification, […]

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Celebrating 40 Powerful Years

Hugh Miles

  From the Desk of Hugh Miles President and CEO Mechanical Dynamics & Analysis LLC We have reached the 4th decade of operation at MD&A and what a journey it has been for the company. One constant at MD&A is the great employees that make it all work and the customers that have stuck with […]

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Spare LPB Rotor and Diaphragm Repairs

Spare LPB Rotor and Diaphragm Repairs

Steam turbine experts at Mechanical Dynamics & Analysis (MD&A) have completed LPB rotor and diaphragm repairs of a spare 410 MW GE® G2 design unit. The site had removed the crossover and outer shell to find severe damage and missing blades in the turbine’s low-pressure section. MD&A was contracted to inspect the spare LPB (low-pressure […]

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Recommissioning Legacy Turbine Control Systems for Enhanced Reliability

Recommissioning Legacy Turbine Control Systems

Increases in renewable energy on the power grid have increased the need for reliable peaking power.  In many cases, these assets are available but less reliable than they once were due to the age and neglect of their control systems.  In most cases, refurbishment of digital systems from the last 30 years is a viable […]

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Webinar Archive

MD&A webinars

Below you will find our webinar archive of all previously recorded MD&A webinars. Fall Webinar Series 2022 | Assessing & Extending the Life of your Turbine-Generator Fleet As your fleet ages, many issues can arise. MD&A leverages the diverse experience of our engineers and Subject Matter Experts (SME) to help assess & extend the life […]

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Aging Generator Stators and Field Rewinds Plus Modified Hot Gas Path Inspection

Mechanical Dynamics & Analysis (MD&A), as a full-service provider, was called to a forced outage necessitating two generator stators and field rewinds and a modified hot gas path inspection. The affected units consisted of two GE® Lynn generators that were experiencing both aging and flooding with water due to leaking hydrogen coolers. Prior to this, […]

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