What is barring gear in turbine?

Question

Accepted Answer

Barring gear is a mechanism used in turbines to rotate the rotor during maintenance or inspection.

Barring gear is typically used in steam turbines and gas turbines.
It consists of a gear system that connects to the rotor shaft.
The gear system allows for controlled rotation of the rotor.
Barring gear is used when the turbine is shut down and the rotor needs to be turned manually.
It is commonly used for maintenance tasks such as blade inspection or cleaning.
Barring gear helps prevent damage to the turbine by ensuring controlled rotation.
Examples of barring gear include hydraulic or electric motors used to rotate the rotor.

Accepted Answer

Barring gear is the mechanism provided to rotate the turbine rotor shaft at a lower speed during the stoppage period

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