Method of controlling bypass air split to gas turbine combustor

Details Method of controlling bypass air split to gas turbine combustor Method of controlling bypass air split to gas turbine combustor

2005-10-03

2009-06-23

Casaregola, Louis J (Department: 3741)

Power plants

Combustion products used as motive fluid

Process

C060S794000

Reexamination Certificate

active

07549292

ABSTRACT:
Disclosed herein is a method for controlling a bypass air split for a gas turbine combustor, the method comprising determining a target exhaust temperature, wherein the target exhaust temperature is based on at least one parameter of a group of parameters consisting of low pressure turbine speed, high pressure turbine speed, inlet guide vane angle, and bypass valve air split. Using the target exhaust temperature to calculate a required percentage of bypass air split based on maintaining maximum CO levels or minimum NOx levels. And, applying the required percentage of bypass air split to control a position of the bypass air valve.

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patent: 2006/0242963 (2006-11-01), Casoni et al.

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