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Steam turbine upgrades for power plant life management and performance improvement

F.C. Mund,     Alstom Power, UK

Abstract:

Retrofitting turbines in order to extend the life of an existing plant to improve performance, reliability and/or reduce risk has become an attractive option for owners of mature steam turbine plants. Extensive retrofit experience enables vendors to combine modern blading technology and material advances to bespoke solutions beyond a like-forlike replacement. Considering the plant and future operation as a whole, turbine type, admission control and low pressure (LP) turbine exhaust area can be selected, potential power uprates considered and implications on the balance of plant evaluated in such a way that the turbines ...

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