Large Steam Turbine Vibration Resonance of Pedestal and Linkage System RCA, Detail Vibration Investigation/Measurement at Site and Countermeasures
Loading...
Date
2015
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Turbomachinery Laboratory, Texas A&M Engineering Experiment Station
Abstract
A Large Steam Turbine had been in operation for several years and this
turbine experienced the wear damage of governor linkage.
Then, measured the vibration velocity profile on Governor side pedestal
to identify the excited vibration mode and frequency.
According to collected data, investigated the possible root causes and
conducted 3D vibration response analysis to the existing and the
improved pedestal.
And, improved pedestal was supplied to the client and applied for actual
machine during turnaround. And, finally, the advantage of new improved
pedestal was confirmed.
This case study introduces the typical phenomena, RCA investigation,
detail vibration analysis, countermeasures and verification results as
technical process.
Description
Case Study