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Gas turbine combustor control system

A technology of gas turbine and combustor, which is applied in the direction of turbine/propulsion fuel delivery system, fuel control of turbine/propulsion device, gas turbine device, etc., and can solve the problem of harmful gas turbine system and downstream components

Inactive Publication Date: 2015-09-30
GENERAL ELECTRIC CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unfortunately, certain ratios can result in excessive levels of oxygen in the combustion products, which can be detrimental to the gas turbine system as well as downstream components

Method used

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  • Gas turbine combustor control system
  • Gas turbine combustor control system
  • Gas turbine combustor control system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 2

[0116] Embodiment 2. The gas turbine system of Embodiment 1, comprising: an oxidant flow path configured to deliver oxidant flow to the turbine combustor, and an oxygen sensor disposed along the oxidant flow path, wherein the oxygen sensor is communicatively connected to the controller , and the oxygen sensor is configured to determine oxidant composition information.

Embodiment approach 3

[0117] Embodiment 3. The gas turbine system of any preceding Embodiment, wherein the oxidant composition information comprises a concentration of oxygen in the oxidant.

Embodiment approach 4

[0118] Embodiment 4. The gas turbine system of any preceding embodiment, comprising an oxidant flow meter disposed along the oxidant flow path, wherein the oxidant flow meter is communicatively connected to the controller, and the oxidant flow meter is configured to determine oxidant flow information.

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Abstract

In one embodiment, a gas turbine system includes a controller configured to receive fuel composition information related to a fuel used for combustion in a turbine combustor; receive oxidant composition information related to an oxidant used for combustion in the turbine combustor; receive oxidant flow information related to a flow of the oxidant to the turbine combustor; determine a stoichiometric fuel-to-oxidant ratio based at least on the fuel composition information and the oxidant composition information; and generate a control signal for input to a fuel flow control system configured to control a flow of the fuel to the turbine combustor based on the oxidant flow information, a target equivalence ratio, and the stoichiometric fuel-to-oxidant ratio to enable combustion at the target equivalence ratio in the presence of an exhaust diluent within the turbine combustor.

Description

[0001] Cross References to Related Applications [0002] This application claims U.S. Nonprovisional Patent Application No. 14 / 066,551, filed October 29, 2013, entitled "GAS TURBINE COMBUSTOR CONTROL SYSTEM," and the U.S. Provisional Patent Application No. 61 / 747,194, U.S. Provisional Patent Application No. 61 / 722,118, filed November 2, 2012, entitled "SYSTEM AND METHOD FOR DIFFUSION COMBUSTION IN A STOICHIOMETRIC EXHAUST GAS RECIRCULATION GAS TURBINE SYSTEM," filed November 2, 2012 U.S. Provisional Patent Application No. 61 / 722,115, entitled "SYSTEM AND METHOD FOR DIFFUSION COMBUSTION WITH FUEL-DILUENT MIXING IN A STOICHIOMETRIC EXHAUST GAS RECIRCULATION GAS TURBINE SYSTEM," filed on November 2, 2012, and entitled "SYSTEM AND U.S. Provisional Patent Application No. 61 / 722,114 for METHOD FOR DIFFUSION COMBUSTION WITH OXIDENT-DILUENT MIXING IN A STOICHIOMETRIC EXHAUST GAS RECIRCULATION GAS TURBINE SYSTEM" and filed on November 2, 2012 entitled "SYSTEM AND METHOD FOR LOAD CONTROL ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23N5/18F23C9/08F02C9/26F02C9/50
CPCF02C3/34F23N2041/20F23N5/18F23N2021/10F23C9/08F02C6/18Y02E20/16F23N2023/36Y02T50/677F23N2221/10F23N2223/36F23N2241/20Y02T50/60F02C1/005F02C1/08F02C7/22F02C9/26F02C9/28F02C9/48F02C9/50F23N1/00F23N1/002F23N5/00F23N5/003F23N5/006
Inventor K·D·明托
Owner GENERAL ELECTRIC CO