Answer / powerplant.calculations

As there will be loss in power in Gear box

net power generated = Total power generated X Turbine Mech.eff X Gear box eff X Alternator efficiency..

For detailed information on power generation..
May refer
https://www.powerplantandcalculations.com/2020/05/pmg-excitation-avr-power-generation.html
https://www.powerplantandcalculations.com/2020/05/understanding-of-heat-rate-and.html

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