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Gas Turbine

Gas Turbine Exhaust Temperature Spreads

7FA.03+ upgrade

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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Onsite Seal Services Video

On-site seal services

MD&A’s highly skilled technicians perform custom installations of packing rings and tip seals on-site using a unique mobile containerized machine shop. Our seal services installation process ensures optimal clearances, maintains design efficiency, and reduces the likelihood of vibration due to seal rubs. View the video on the advantages of our custom fitting of packing and […]

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Gas Turbine Parts Lifetime Extension Clinic

vacuum heat treat furnace, gas turbine parts lifetime extension

Mechanical Dynamics & Analysis (MD&A) can extend the service life of gas turbine components whose OEM service limit has passed or whose configuration is no longer suitable to operate. Significant savings can be realized by opting for lower-cost repaired spares instead of new parts. Elevated temperatures take a big toll on gas turbine components. Repair […]

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Gas Turbine Alignment

Gas Turbine Alignment

Mechanical Dynamics & Analysis (MD&A) experts offer specialized gas turbine services, such as Gas Turbine Alignment, as a global full-service provider to the power generation industry. Unlike steam turbine alignment, gas turbine alignment is performed with the upper halves installed, also called “Tops-On” alignment, and moves must be made in a specific sequence, adding to […]

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Gas Turbine Services Video

Experienced Full-Service Gas Turbine-Generator Provider Power plant owners and operators have entrusted their turnkey turbine-generator overhauls to MD&A for close to four decades. Our team of seasoned professionals has a broad range of experiences whose skill sets cover both common and unique makes and models of turbo machinery from around the world. Our reputation for […]

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Combined Cycle Overhaul with our One-Stop Shop

Combined Cycle Overhaul

Mechanical Dynamics & Analysis (MD&A) recently completed an overhaul at a combined cycle plant consisting of gas and steam turbine majors, a steam turbine generator minor inspection, and a gas turbine generator major inspection. The customer combined scope was the largest single project implemented at the site since the combined cycle plant was commissioned. MD&A […]

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Portable In-Situ Air Flow Test Stand

Mechanical Dynamics & Analysis (MD&A) announces Portable In-Situ Air Flow Test stand capabilities that allow for immediate and conclusive data on gas turbine nozzle performance. This flow test apparatus provides efficient gas turbine air/gas flow analysis and is offered by MD&A Fuel Nozzle Services Division/ Integrated Combustion Solutions (ICS). The typical call to action is […]

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Compressor Stator Vane Pinning

Compressor Stator Vane Pinning | Completed view of the mid compressor case

Gas turbine axial-flow multi-stage compressor integrity and efficiency are critical to the thermodynamic performance of the entire power generation system. Mechanical Dynamics & Analysis (MD&A) recently completed a General Electric® 9FA.03 compressor stator vane pinning after a vane analysis revealed issues. Common issues to investigate are stator vane rocking tilt, fretting wear in the T-slot […]

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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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