System and method for loading a combined cycle power plant

摘要

A system including a gas turbine system configured to transition between a first load state and a second load state, wherein the gas turbine system comprises an airflow control module configured to adjust an airflow through the gas turbine system between a minimum airflow condition and a maximum airflow condition, and a controller configured to control the gas turbine system to operate with a load path between a first load path corresponding to the minimum airflow condition and a second load path corresponding to the maximum airflow condition, wherein the controller is configured to control the gas turbine system to transition between the first load state and the second load state using the load path between the first and second load paths.

主权项

1. A system comprising:
a combined cycle system, comprising:
a gas turbine system configured to transition between a first load state and a second load state, wherein the gas turbine system comprises an airflow control module configured to adjust an airflow through the gas turbine system between a minimum airflow condition and a maximum airflow condition, wherein the airflow control module comprises an inlet restriction, an inlet guide vane, or a combination thereof;a heat recovery steam generator (HRSG) in fluid communication with the gas turbine system, wherein the HRSG is configured to generate a steam using heat from an exhaust gas from the gas turbine system;a stream turbine system in fluid communication with the gas turbine system and the heat recovery steam generator, wherein the steam turbine system is driven by the steam to drive a load; anda controller configured to control the airflow control module and the gas turbine system to operate with a load path between a first load path corresponding to the minimum airflow condition and a second load path corresponding to the maximum airflow condition, wherein the load path comprises one or more operational constraints related to components of the gas turbine system, and wherein the controller is configured to control the gas turbine system to transition between the first load state and the second load state using the load path between the first and second load paths.