why we are heat gas in 7fa while not heat gas in 7EA machine?
i am looking your support
Dear hulaimi, actually some 7EA machines do have heated fuel, but not as many as the 7FA machines.
Heating of the gas fuel has two benefits.
Firstly it increases the overall efficiency of the machine if there is a waste source of heat that can be used, typically HRSG feedwater. Some sites also use electric heating if HRSG feedwater is not available.
Secondly heating of the fuel raises the superheat of the fuel which will reduce the chance of any liquid dropping out and causing combustion issues.
So heating is typically dependent on site conditions and design.