US 12,454,910 B1
Combined cycle power plant with steam turbine bypass for simple cycle operation with heat recovery steam generator and method of use
Bradly Aaron Kippel, Greenville, SC (US)
Assigned to GE Infrastructure Technology LLC, Greenville, SC (US)
Filed by GE Infrastructure Technology, LLC, Greenville, SC (US)
Filed on Jul. 31, 2024, as Appl. No. 18/789,883.
Int. Cl. F02C 6/18 (2006.01); F01K 23/10 (2006.01)
CPC F02C 6/18 (2013.01) [F01K 23/10 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A power plant, comprising:
a gas turbine system;
a steam turbine system;
a heat recovery steam generator (HRSG) to generate steam from exhaust of the gas turbine system;
a condenser to condense steam from one of the steam turbine system and the HRSG; and
a first steam flow valving arrangement operatively coupled with the steam turbine system, the HRSG, and the condenser, wherein the first steam flow valving arrangement is configured to direct a flow of steam generated from the HRSG to the condenser bypassing the steam turbine system during a simple cycle mode of operation, and wherein the first steam flow valving arrangement is configured to direct the flow of steam generated in the HRSG to the steam turbine system during a combined-cycle mode of operation, and wherein the first steam flow valving arrangement comprises a three-way HRSG steam flow valve having an inlet to receive the flow of steam generated from the HRSG, a first outlet to direct the flow of steam generated from the HRSG to the condenser, and a second outlet to direct the flow of steam generated from the HRSG to the steam turbine system.