Steam Turbine and Generator Inspection and Condition Assessments
Nuclear steam turbine-generator sets are critical assets requiring periodic assessment for continued reliable operation. Current market conditions may dictate that these assets are operated in modes not considered in the original engineering design, potentially leading to acceleration of damage mechanisms.
Our Turbine/Generator Group consists of industry-experienced engineers and technical staff that have developed and implemented numerous methodologies for evaluating the current condition of many types of generating equipment. Whether the issue is rotor bore condition, solid rotor assessment, inspection of keyways, dovetails, or other critical component in a turbine-generator assembly, we have the ability to apply state-of-the-art inspection and analytical methods in order to provide the most accurate results. This allows for re-inspection recommendations that are made with confidence, and helps to prolong asset life.
Advanced Solutions for Complex Issues
The general concept of turbine/generator operation is straight forward. However, performing accurate and productive inspections and condition assessments requires a detailed understanding of the complexities associated with turbine and generator operation, and also a familiarity with the wide variety of machine types and OEMs, as well as proper materials, NDE, and related analytical method expertise.
With regard to advanced NDE methods, it may be critical to tailor the inspection to the specific type of component and damage that is being targeted. In some cases, this may require designing and fabricating project-specific calibration blocks or specialized phased array transducers in order to maximize the resolution of the inspection. This in turn allows for greater confidence in the minimum detectable flaw size, which in turn leads to more accurate predictions of remaining life. Familiarity with industry issues, including known flaw locations and orientation in similar machines, allows for focused inspections that optimize inspection dollars and minimize outage times.