System for combined cycle power plant startup

A combined cycle power plant startup system is provided. The system includes a steam turbine, a HRSG, a condenser, and a bypass system. The steam turbine may include a turbine section. The HRSG may be operably connected to the steam turbine for providing steam to the steam turbine. The HRSG may incl...

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Bibliographic Details
Main Authors TONG LESLIE YUNG-MIN, HU TAILAI, RANCRUEL DIEGO FERNANDO, HOLT JOEL DONNELL
Format Patent
LanguageEnglish
Published 01.04.2015
Subjects
BLASTING
ENGINE PLANTS IN GENERAL
ENGINE PLANTS NOT OTHERWISE PROVIDED FOR
ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ACCUMULATORS
STEAM ENGINE PLANTS
STEAM ENGINES
WEAPONS
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Summary:A combined cycle power plant startup system is provided. The system includes a steam turbine, a HRSG, a condenser, and a bypass system. The steam turbine may include a turbine section. The HRSG may be operably connected to the steam turbine for providing steam to the steam turbine. The HRSG may include a reheater. The bypass system may be configured to adjust the steam pressure downstream of the reheater by routing steam downstream of the reheater to the condenser. The bypass system may include at least one bypass line, at least one control valve operably connected to the at least one bypass line, a pressure gauge configured to monitor the steam pressure downstream of the reheater, and a controller configured to communicate with the pressure gauge and operate the at least one control valve.
Bibliography:Application Number: CN201110037723