The governor in a hydropower plant :
is used to
reduce the head of water fed to turbine
enables rapid closure of the nozzle ofan impulse turbine to reduce RPM
is manually
operated
regulatestheflowrateofwaterstrikingthe
runner to control turbine RPM
regulatestheflowrateofwaterstrikingthe
runner to control turbine RPM
The governor
in a hydropower plant regulates the flow rate of water striking the runner to
control turbine rpm. Governing system or governor is the main controller of the
hydraulic turbine. The governor varies the water flow through the turbine to
control its speed or power output. Generating units speed and system frequency
may be adjusted by the governor.
Hence, the
correct option is (D).
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