The study and its findings are described in an EPRI report entitled Operational and Control Strategies for Reducing Steam Turbine Damage from Cycling Combined Cycle Plants (EPRI report 3002006026).

Issues specific to GE turbines For a General Electric combined HP-IP steam turbine, the design (heat balance) leakage from the HP to IP turbine, through the N2 packing, is typically 2% of hot ...