Why stop ratio valve is necessary before gas control valve
in GE gas turbines.



Why stop ratio valve is necessary before gas control valve in GE gas turbines...

Answer / yaseen

The main purpose of SRV is to maintain the upstream pressure of GCV as a function of turbine speed.I.e as the load of turbine increases,fuel fluw increases,that decreases upstream of gcv pressure to be dropped,so SRV opens to increase the pressure and keeps it constant.

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