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Steam Turbine

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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Topless Turbine Laser Alignment

Turbine Laser Alignment

Mechanical Dynamics and Analysis’ Topless Turbine Laser Alignment ® Service eliminates the time consuming and expensive process of reassembling a steam turbine for “Tops-On” alignment measurements, saving hundreds of man-hours labor per turbine section. Most centerline alignment activities are moved off the critical path, reducing outage duration by days. Why Align? Correct bearing loading, reducing […]

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Comprehensive Industrial Outage

Comprehensive Industrial Outage

Mechanical Dynamics & Analysis (MD&A) experts recently completed a comprehensive industrial outage for a customer. During the planned major outage, the work scope included inspection and repairs of their industrial steam turbine-generator unit. The major inspection included disassembly, cleaning, inspection, performing recommended actions, and reassembly of the turbine, generator, and auxiliaries. The work scope also […]

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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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Steam Turbine Nozzle Chambers and Casing Weld Repairs

Repaired Flow Guide Installed and Upper Half Casing Ready for Final Assembly Check

Mechanical Dynamics & Analysis (MD&A) performed Nozzle Chambers and Casing Weld Repairs on a 580 MW Westinghouse® Steam Turbine and returned the equipment ahead of contract schedule. Upon initial examination, significant issues were revealed with the HP inner casing, nozzle chambers, and selected components, all critical for proactive maintenance and long-term operation. This 3600-rpm machine […]

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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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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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