Guidelines For Specifying And Evaluating The Rerating And Reapplication Of Steam Turbines.
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Steam turbines may be rerated, reapplied, or modified to meet several specific goals. This tutorial will review possible reasons for these changes, including optimizing performance, improving reliability, reducing maintenance requirements, solving operating problems, extending equipment life, and, finally, replacement of the turbine, either in whole or part, due to a catastrophic failure, normal wear, or problems found during an inspection. Whatever the project, it normally requires clear goals specified by the user and buyer. The vendor can then review these goals and determine what can realistically be accomplished within the constraints of the existing equipment, the project budget, and the time allowed. Most of the equipment limitation will be discussed in this tutorial as well as the presentation of a case study. For many of these projects, the vendor will not have access to the turbine since it will still be operating at the user’s facility. Therefore, closer than normal coordination between the user and the vendor is required to ensure smooth and timely completion of the project.
Mansfield, Donald H.; Boyce, Douglas W.; Pacelli, William G. (2006). Guidelines For Specifying And Evaluating The Rerating And Reapplication Of Steam Turbines.. Texas A&M University. Turbomachinery Laboratories. Available electronically from