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Turbine Steam Path Audits for Improved Performance and Profitability
Abstract
This paper describes the use and value
of conducting steam path audits in
turbines. Critical measurements and
observations made during overhaul identify
and quantify the effects of component
degradations upon turbine performance as
compared to design conditions. The
information generated permits performance
oriented repair actions to be economically
justified and prioritized.
Formerly regarded as a lifetime career
activity, the complex audit methodology
has now been computerized. This enables
plant engineers to conduct in-house audits
after a brief training session that covers
measurements to be taken and procedures
for entering data into a Personal
Computer.
The paper describes the various flow
path components evaluated in an audit and
the impact that deviations from
manufacturer's design conditions can have
upon turbine performance. Economically
oriented maintenance actions can be
selected and prioritized through use of
critical flow path measurements taken
during the opening of a turbine.
Workmanship can then be checked by means
of a closing audit.
Subject
Turbine Steam Path AuditsCollections
Citation
Babson, P. E. (1991). Turbine Steam Path Audits for Improved Performance and Profitability. Energy Systems Laboratory (http://esl.eslwin.tamu.edu). Available electronically from https : / /hdl .handle .net /1969 .1 /92216.