Archives

Bucket and Thrust Collar Replacement

In a forced outage for a customer’s steam turbine, MD&A’s experts at the St. Louis Turbine-Generator Repair facility successfully replaced four rows of buckets (turbine blades) in the HP & LP sections, replaced the thrust collar, and performed other repairs on both the rotating and stationary components. This meticulous inspection, rebuild and installation illustrates how […]

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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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Reverse Engineering

MD&A performs reverse engineering or RE to support turbine owners with short cycle, high quality, aftermarket parts.  Our RE experts support everything from small consumable parts needs to full turbine section or generator replacements. Whether your reverse engineering project is large or small, MD&A leverages engineering experts, state of the art equipment, and industry leading processes to […]

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Gas Turbine Maintenance Strategies

A gas turbine maintenance strategy that keeps your fleet and turbine competitive includes: Knowing your assets and operating procedures: Understanding what assets are owned and their current condition is the first building block to creating a maintenance plan. Thorough understanding of your organization’s procedures will identify gaps that can expose you to unplanned events. Establishing standard […]

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Generator Rotor Slot Tooth Weld Repair

Mechanical Dynamics & Analysis (MD&A) experts recently performed a Generator Rotor Slot Tooth Weld Repair. Initially, the generator rotor suffered a double ground fault incident that tripped the unit offline. The customer contacted MD&A to perform disassembly, testing, and evaluation of the condition of the unit. Once the generator rotor was removed, visual inspections confirmed melted […]

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Gas Turbine Parts Life Extension Clinic

MD&A’s San Antonio Service center 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 enhancements […]

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Structured Remaining Life Assessment

Mechanical Dynamics & Analysis (MD&A) assessed both the current condition and remaining life of a 1968 Vintage fossil-fired 445MW D8 steam turbine following 700 starts and 345,000 operating hours. The owner wanted to know if the asset was safe to continue to operate and if it could be considered for repowering for another twenty years […]

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Generator Field Support Platform

Mechanical Dynamics & Analysis (MD&A) experts have constructed a generator field support platform to allow for removal of the field when performing a 7FH2 Generator Major Inspection. Rotor field inspections can either be performed on-site or in a shop environment.  Repairs generally require the rotor field to be transported to a qualified repair facility.  MD&A […]

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Electric Generators 2018 Annual Review

Read Electric GENERATORS 2018 Annual Review, a special report by CCJ.  It is complied from presentations made at the third GUG (Generator Users Group) conference from last August.  Electric Generators Review (PDF) MD&A is an exclusive sponsor and can meet all your generator needs! See you at 2018 GUG conference where our experts are presenting again! […]

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