A control system is provided for a power generating system having a gas turbine, a flue gas exhaust stage and a blow-off valve assembly. The gas turbine includes a compression stage, a combustion stage and a driveshaft. The blow-off valve assembly is configured to selectively provide fluid communica
A control system is provided for a power generating system having a gas turbine, a flue gas exhaust stage and a blow-off valve assembly. The gas turbine includes a compression stage, a combustion stage and a driveshaft. The blow-off valve assembly is configured to selectively provide fluid communication between the combustion stage and the flue gas exhaust stage. The control system includes a controller configured to output a signal causing the blow-off valve assembly to provide the fluid communication in response to a sudden de-loading of the gas turbine.
대표청구항▼
1. A control system for a power generating system having a gas turbine, a flue gas exhaust stage and a blow-off valve assembly, the gas turbine including a compression stage, a combustion stage and a driveshaft, the blow-off valve assembly being configured to selectively provide fluid communication
1. A control system for a power generating system having a gas turbine, a flue gas exhaust stage and a blow-off valve assembly, the gas turbine including a compression stage, a combustion stage and a driveshaft, the blow-off valve assembly being configured to selectively provide fluid communication between the compression stage and the flue gas exhaust stage by bypassing a combustion stage of the gas turbine, the control system comprising: a controller configured to output a signal causing the blow-off valve assembly to provide the fluid communication in response to a sudden de-loading of the gas turbine,wherein the sudden de-loading is an at least 10 percent drop in mass flow through the compressor within a predetermined time period of less than 5 seconds. 2. The control system according to claim 1, wherein the sudden de-loading further includes an at least 10 percent or at least 15 percent drop in load applied to the driveshaft within a predetermined time period of less than 5 seconds, less than 2 seconds or less than 1 second. 3. The control system according to claim 1, wherein the sudden de-loading is an at least 15 percent drop in the mass flow through the compressor within a predetermined time period of less than 5 seconds, less than 2 seconds, or less than 1 second. 4. The control system according to claim 1, wherein the power generating system includes an electrical generator driven by the driveshaft, and the sudden de-loading further includes an at least 10 percent or at least 15 percent drop in electrical power output by the electrical generator within a predetermined time period of less than 5 seconds, less than 2 seconds or less than 1 second. 5. The control system of claim 1, wherein the gas turbine includes one or more sensors and the control system is configured to receive measurement values from one or more of the aforementioned sensor devices to ascertain whether sudden de-loading of the gas turbine has occurred. 6. A method of operating a power generating system having a gas turbine, a flue gas exhaust stage and a blow-off valve assembly, the gas turbine comprising a compression stage, a combustion stage and a driveshaft, the blow-off valve assembly being configured to selectively provide fluid communication between the compression stage and the flue gas exhaust stage by bypassing a combustion stage of the gas turbine, the method comprising: signalling the blow-off valve assembly to provide the fluid communication in response to a sudden de-loading of the gas turbine,wherein the sudden de-loading is an at least 10 percent drop in mass flow through the compressor within a predetermined time period of less than 5 seconds. 7. The method according to claim 6, wherein the sudden de-loading further includes an at least 10 percent or at least 15 percent drop in load applied to the driveshaft within a predetermined time period of less than 5 seconds, less than 2 seconds or less than 1 second. 8. The method according to claim 6, wherein the sudden de-loading is an at least 15 percent drop in the mass flow through the compressor within a predetermined time period of less than 5 seconds, less than 2 seconds or less than 1 second. 9. The method according to claim 6, wherein the power generating system includes an electrical generator driven by the driveshaft, and the sudden de-loading further includes an at least 10 percent or at least 15 percent drop in electrical power output by the electrical generator within a predetermined time period of less than 5 seconds, less than 2 seconds or less than 1 second. 10. A method of modifying a power generating system having a gas turbine, a flue gas exhaust stage and a blow-off valve assembly, the gas turbine comprising a compression stage, a combustion stage and a driveshaft, the blow-off valve assembly being configured to selectively provide fluid communication between the compression stage and the flue gas exhaust stage by bypassing a combustion stage of the gas turbine, the method comprising: equipping the power generating system with a controller configured to output a signal causing the blow-off valve assembly to provide the fluid communication in response to a sudden de-loading of the gas turbine,wherein the sudden de-loading is an at least 10 percent drop in mass flow through the compressor within a predetermined time period of less than 5 seconds. 11. The method according to claim 10, wherein the sudden de-loading further includes an at least 10 percent or at least 15 percent drop in load applied to the driveshaft within a predetermined time period of less than 5 seconds, less than 2 seconds or less than 1 second. 12. The method according to claim 9, wherein the sudden de-loading is an at least 15 percent drop in the mass flow through the compressor within a predetermined time period of less than 5 seconds, less than 2 seconds or less than 1 second. 13. The method according to claim 9, wherein the power generating system comprises an electrical generator driven by the driveshaft, and the sudden de-loading further includes an at least 10 percent or at least 15 percent drop in electrical power output by the electrical generator within a predetermined time period of less than 5 seconds, less than 2 seconds or less than 1 second. 14. A non-transitory computer-readable storage medium having stored thereon a computer program product that, when executed on a computer, causes the computer to output a signal causing a blow-off valve assembly to provide fluid communication between the compression stage of a gas turbine and a flue gas exhaust stage by bypassing a combustion stage of the gas turbine in response to a sudden de-loading of the gas turbine, wherein the sudden de-loading is an at least 10 percent drop in mass flow through the compressor within a predetermined time period of less than 5 seconds. 15. A power generating system comprising: a control system according to claim 1, a gas turbine, a flue gas exhaust stage and a blow-off valve assembly, the gas turbine having a compression stage, a combustion stage and a driveshaft, and the blow-off valve assembly being configured to selectively provide fluid communication between the compression stage and the flue gas exhaust stage by bypassing a combustion stage of the gas turbine. 16. The control system of claim 15, wherein the gas turbine includes one or more sensors and the control system is configured to receive measurement values from one or more of the aforementioned sensor devices to ascertain whether sudden de-loading of the gas turbine has occurred.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (5)
Ashok Kumar Anand ; Philip Fadhel Berrahou ; Michael Jandrisevits, Compressor discharge bleed air circuit in gas turbine plants and related method.
Provol Steve J. (Carlsbad CA) Russell David B. (San Diego CA) Isaksson Matti J. (Karhula FIX), Control methods and valve arrangement for start-up and shutdown of pressurized combustion and gasification systems integ.
Philip L. Andrew ; Chung-hei Yeung ; Joseph A. Cotroneo ; John David Stampfli, Method of air-flow measurement and active operating limit line management for compressor surge avoidance.
Davis, Jr., Lewis Berkley; Day, Scott Arthur; Jordan, Jr., Harold Lamar; Morgan, Rex Allen, Application of combined probabilistic control in gas turbine tuning for power output-emissions parameters with scaling factor, related control systems, computer program products and methods.
Davis, Jr., Lewis Berkley; Day, Scott Arthur; Jordan, Jr., Harold Lamar; Morgan, Rex Allen, Application of combined probabilistic control in gas turbine tuning for power output-emissions parameters with scaling factor, related control systems, computer program products and methods.
Morgan, Rex Allen; Davis, Jr., Lewis Berkley; Day, Scott Arthur; Jordan, Jr., Harold Lamar, Application of combined probabilistic control in gas turbine tuning for power output-emissions parameters with scaling factor, related control systems, computer program products and methods.
Davis, Jr., Lewis Berkley; Day, Scott Arthur; Jordan, Jr., Harold Lamar; Morgan, Rex Allen, Application of probabilistic control in gas turbine tuning for power output-emissions parameters with scaling factor, related control systems, computer program products and methods.
Davis, Jr., Lewis Berkley; Day, Scott Arthur; Jordan, Jr., Harold Lamar; Morgan, Rex Allen, Application of probabilistic control in gas turbine tuning with measurement error, related control systems, computer program products and methods.
Davis, Jr., Lewis Berkley; Day, Scott Arthur; Jordan, Jr., Harold Lamar; Morgan, Rex Allen, Application of probabilistic control in gas turbine tuning, related control systems, computer program products and methods.
Davis, Jr., Lewis Berkley; Day, Scott Arthur; Healy, Timothy Andrew; Jaiven, Rebecca Kathryn; Jordan, Jr., Harold Lamar; Morgan, Rex Allen, Combined probabilistic control in gas turbine tuning for power output-emissions parameters with scaling factor, related control systems, computer program products and methods.
Davis, Jr., Lewis Berkley; Day, Scott Arthur; Healy, Timothy Andrew; Jaiven, Rebecca Kathryn; Jordan, Jr., Harold Lamar; Morgan, Rex Allen, Machine-specific combined probabilistic control in gas turbine tuning for power output-emissions parameters with scaling factor, related control systems, computer program products and methods.
Davis, Jr., Lewis Berkley; Day, Scott Arthur; Healy, Timothy Andrew; Jordan, Jr., Harold Lamar; Morgan, Rex Allen, Machine-specific probabilistic control in gas turbine tuning for power output-emissions parameters, related control systems, computer program products and methods.
Davis, Jr., Lewis Berkley; Day, Scott Arthur; Healy, Timothy Andrew; Jordan, Jr., Harold Lamar; Morgan, Rex Allen, Modelling probabilistic control in gas turbine tuning for power output-emissions parameters, related control systems, computer program products and methods.
Davis, Jr., Lewis Berkley; Jordan, Jr., Harold Lamar; Morgan, Rex Allen; Smith, Raub Warfield, Power outlet, emissions, fuel flow and water flow based probabilistic control in liquid-fueled gas turbine tuning, related control systems, computer program products and methods.
Davis, Jr., Lewis Berkley; Day, Scott Arthur; Jordan, Jr., Harold Lamar; Morgan, Rex Allen, Power output and emissions based degraded gas turbine tuning and control systems, computer program products and related methods.
Davis, Jr., Lewis Berkley; Day, Scott Arthur; Jordan, Jr., Harold Lamar; Morgan, Rex Allen, Power output and fuel flow based probabilistic control in gas turbine tuning, related control systems, computer program products and methods.
Davis, Jr., Lewis Berkley; Day, Scott Arthur; Fernandez, Paul Robert; Jordan, Jr., Harold Lamar; Morgan, Rex Allen, Power output and fuel flow based probabilistic control in part load gas turbine tuning, related control systems, computer program products and methods.
Jordan, Jr., Harold Lamar; Davis, Jr., Lewis Berkley; Day, Scott Arthur; Ewens, David Spencer; Morgan, Rex Allen, Probabilistic control in gas turbine tuning for power output-emissions parameters, related control systems, computer program products and methods.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.