1. VIBRATIONS IN STEAM
TURBINE
Simple Turbines, Superior by Design!
turtleturbines.com

2. About the Company
Introduction
We believe, a dependable Smart Power Source opens up radical business
avenues for our Customers.
Our Customers benefit immensely by generating their own Onsite
Distributed Power which also keeps our planet Clean.
We craft our Products from First Principles, challenging the old dogmas.
We Build Great Products.
turtleturbines.com

3. turtleturbines.com
Normal vibrations are acceptable in any component that is under the action of any
continuous impact. But when these vibrations start to grow and reach an
undesirable level, they cause permanent failure and, consequently, significant
damage to the system.
A steam turbine’s functionality is affected highly due to the presence of vibrations
in it.
Structurally a steam turbine is a complex assembly compounding many delicate
components. Any sort of uncontrolled vibration due to a component can cause
system failure and, consequently, a significant disaster.
Thus, the analysis of vibrations’ cause and intensity is essential to ensure proper
operations and safety.

4. turtleturbines.com
The possible reasons for vibrations are the unbalanced rotor and rotor parts, faulty
or no stress analysis of steam piping, deposition on steam turbine blades, damage
of journal bearings, actuator and governor fluctuations, improper lubrication,
uneven cooling and warming of steam turbine, improper axial and radial clearance,
etc.
The effects of high vibrations in the Steam Turbine machine are not only degrading
the machine’s operation by increasing the risk for normal operation and shortening
the machine’s life but also for operational and maintenance personnel.
Timely maintenance of steam turbines with preventive and predictive maintenance
schedules, standard installation and commissioning practices, and replacement of
damaged parts can avoid vibrations in steam turbines.

5. turtleturbines.com
VIBRATIONS IN STEAM TURBINE

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