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GAS TURBINE LOAD CONTROL SYSTEM

  • US 20150226133A1
  • Filed: 12/30/2013
  • Published: 08/13/2015
  • Est. Priority Date: 12/31/2012
  • Status: Active Grant
First Claim
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1. A gas turbine system comprising:

  • a turbine combustor configured to combust a compressed oxidant and a fuel in the presence of an exhaust gas diluent generated from an exhaust gas to produce combustion products;

    an oxidant supply path fluidly coupled to the turbine combustor and configured to flow the compressed oxidant to the turbine combustor at an oxidant flow rate;

    a turbine configured to extract work from the combustion products to produce the exhaust gas, wherein the turbine causes a shaft of the gas turbine system to rotate when the work is extracted from the combustion products;

    an electrical generator configured to generate electrical power in response to rotation by the shaft; and

    a controller, comprising;

    one or more tangible, non-transitory, machine readable media collectively storing one or more sets of instructions; and

    one or more processing devices configured to execute the one or more sets of instructions to;

    receive data indicative of a target load for the electrical generator; and

    perform load control in response to the target load by adjusting the oxidant flow rate along the oxidant supply path as a primary load control parameter, wherein adjusting the oxidant flow rate adjusts combustion within the turbine combustor to change a rotational speed of the shaft.

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