2. How it works
2.1 Combustion turbine
The main actuators used to control the operation of the combustion turbine affect :
fuel flow ;
the air flow admitted to the compressor.
These are the fuel inlet valve (regulating and shut-off valve for gas, reverse flow valve for liquid fuels), and the variable-incidence vanes of the compressor's first diaphragm row. These devices are usually referred to as IGVs (inlet gate valves). Compressor stage blow-off valves and secondary air inlet valves for the combustion chamber complete the system.
To increase the power delivered by a combustion turbine, it is possible to open the IGVs. However, this use is limited by the risk...
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