The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 19, 2005
Filed:
Dec. 04, 2002
William L. Kopko, Springfield, VA (US);
William L. Kopko, Springfield, VA (US);
Other;
Abstract
A gas-turbine supercharging system with improved control. A gas-turbine supercharger that preferably comprises a variable-pitch axial flow fan and a logger supplies, cooled, pressurized air to a gas-turbine power plant. The gas-power plant is preferably a part of combined-cycle power plant that comprises a steam cycle and a duct burner. A controller modulates the output of the fogger and the supercharging fan to maximize the total plant output and provide optimum efficiency without exceeding plant operating limits. The fogger and fan are preferably selected to maximize the allowable output from gas turbine at summer peaking conditions. For the case of a combined-cycle power plant, the preferred mode of operation is to reduce fog output while maintaining a maximum fan pressure as ambient temperature drops below the maximum design value. For a simple-cycle gas turbine, the preferred mode of operation is to reduce pressure output of the supercharging fan while adjusting fog output to match the maximum allowable moisture content at the gas-turbine inlet. The control also reduces fog output at low ambient temperatures to prevent possible ice formation.