[특허]Method of operation of industrial gas turbine for optimal performance

[미국특허] Method of operation of industrial gas turbine for optimal performance 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-013/10
출원번호	US-0339956 (1999-06-25)
발명자 / 주소	Andrew Philip Lynn Marks Paul Thomas Dwyer Daniel Robert Stampfli John David Cotroneo Joseph Anthony Miller Harold Edward Wesorick Ronald Richard
출원인 / 주소	General Electric Co.
대리인 / 주소	Nixon & Vanderhye
인용정보	피인용 횟수 : 33 인용 특허 : 5

초록 ▼

A gas turbine operational strategy is provided for the optimization of ISO-Day rated performance. The invention is realized by setting the nominal operating line equal to or slightly below the operating limit line, so that ISO full load performance is maximized. Thus, the first stage turbine nozzle throat area is sized such that, without inlet bleed heat addition, and at Base-Load pressure ratio and firing temperature, the compressor operates within its operational limits on a ISO day. As ambient conditions change, levels of inlet bleed heat and firing temperature are controlled and the inlet guide vane angle is set whereby the nominal operating line is equal to or slightly below the operating limit line.

대표청구항 ▼

[ What is claimed is:] [1.]1. A method of controlling a gas turbine to optimize performance thereof, comprising:providing a control system including a controller coupled to a plurality of turbine actuator systems, said actuator systems being coupled to a single-shaft gas turbine that includes a compressor, a combustor, and a combustion turbine, so as to control the operation of the gas turbine in response to respective actuator system control signals generated by the controller, said control system further comprising an operator interface; the controller comprising a processor for generating said respective actuator system control signals in correspondence with input from said operation interface and a plurality of turbine operating conditions signals, said control system being programmed to define a pressure ratio operating limit line that provides a substantially constant surge margin from a surge line defined by pressure ratios associated with physical limits to compressor operation for the gas turbine;sizing a first-stage turbine nozzle throat area of said gas turbine so as to maximize an ISO pressure ratio thereof, andoperating said control system so that a nominal operating line of the gas turbine is equal to or slightly below said operating limit line, whereby a substantially constant margin is maintained between the operational pressure ratio of the gas turbine and pressure ratios associated with operational limits at elevated pressure ratios near the surge line, wherein said control system is operated to maintain a substantially constant margin by controlling inlet temperature, airflow and fuel flow.

이 특허에 인용된 특허 (5) 인용/피인용 타임라인 분석

Pollak Robert R. (North Palm Beach FL) Marcos Juan A. (Jupiter FL), Control of high compressor vanes and fuel for a gas turbine engine.
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Rajamani Ravi ; Chbat Nicolas Wadih ; Ashley Todd Alan, Controller with neural network for estimating gas turbine internal cycle parameters.
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Grosselfinger Robert A. (6202 Stardust La. Bethesda MD 20817) Carras Andrew N. (1705 Glenkearny Pl. Silver Spring MD 20902), Demand control of variable geometry gas turbine power plant.
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Staroselsky Naum (Des Moines IA) Mirsky Saul (West Des Moines IA) Reinke Paul A. (Des Moines IA), Method and apparatus for preventing surge in a dynamic compressor.
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Pineo Ferderick J. ; Baxter Thomas A., Transient turbine overtemperature control.
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이 특허를 인용한 특허 (33) 인용/피인용 타임라인 분석

Myoren, Chihiro; Nanataki, Kenji; Takahashi, Yasuo; Kawamura, Kota, 2-shaft gas turbine, and the control method of opening degree of inlet guide vane of the gas turbine.
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Adibhatla, Sridhar; Ashby, Malcolm John, Apparatus for monitoring gas turbine engine operation.
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Myers, Gerald A.; Little, David A., Engine brake for part load CO reduction.
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Fuchs, Herbert; Nemet, Anton; Hoffmann, Jürgen, Gas turbine and method for its operation.
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Engler, Thorsten; Gorynski, Markus; Gutermuth, Manuel; Kreutzer, Philipp; Link, Marco; Savilius, Nicolas; Suselbeck, Kai; Tertilt, Marc, Gas turbine and method for operating the gas turbine.
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Sandberg,Peter; Ekberg,Tord; Johansson,Peter, Gas turbine arrangement having an integrated filter housing and compressor bleed duct.
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Marini, Bonnie D.; Bohinsky, Brian J., Gas turbine engine configured to shape power output.
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Martling, Vincent C.; So, Peter; Xiao, Zhenhua; Ricklin, Plazi, Gas turbine engine controls for minimizing combustion dynamics and emissions.
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Furukawa, Hiroyuki; Kinoshita, Moe, Gas turbine engine optimization control device.
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Jordan, Jr., Harold Lamar; Morgan, Rex Allen, Gas turbine firing temperature control system and method.
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Arar, Malath Ibrahim; Anllo, Anna Valeria, Gas turbine inlet heating system.
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Reed, Robert Joseph, Gas turbine load enhancement.
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Mills, Jeffrey Patrick; Ruddy, Jeffrey Mark, Independently-controlled gas turbine inlet guide vanes and variable stator vanes.
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Yeung, Chung-hei (Simon); Schirle, Steven M.; Prasad, Jonnalagadda Venkata Rama (JVR), Method and apparatus for compressor control and operation in industrial gas turbines using stall precursors.
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Wickert, Thomas Edward; Sweet, Bryan Edward, Method and operational strategy for controlling variable stator vanes of a gas turbine power generator compressor component during under-frequency events.
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Renou,Stephane; Shah,Minesh Ashok, Method and system for model based control of heavy duty gas turbine.
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Demaison, Francois; Flandrois, Xavier; Masse, Jean-Remi; Massot, Gilles; Ricordeau, Julien; Hmad, Ouadir, Method and system for monitoring the level of oil contained in a tank of an aircraft engine.
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Buchalter, Lauren Jeanne; Sweet, Bryan Edward; Szepek, Scott William; Mariani, Michael John, Method and system for operating gas turbine engine systems.
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Berry, Jacob, Method for gas turbine operation during under-frequency operation through use of air extraction.
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Hansson, Hans-Erik; Westermark, Mats, Method for operation of a gas turbine group.
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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.
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Gadde,Satish; Humphrey,Christopher; Schneider,Stefan; Tadros,Fadi; Singh,Jatinder, Method of controlling a power generation system.
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Sridhar Adibhatla ; Malcolm John Ashby, Methods and apparatus for monitoring gas turbine engine operation.
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Ziminsky, Willy Steve; Fossum, Arthur James, Methods and systems for operating a gas turbine.
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Walker, Ronald Steven, Software system for verification of gas fuel flow.
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Thompson, Brett Matthew; Alexander, Michael Joseph; Mosley, Matthew John; Di Palma, Steven; Mitchell, Paul Jeffrey; Allen, Justin Aaron; Kim, Kihyung, System and method for improved control of a combined cycle power plant.
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Roush, Eric David; Parker, William Andrew, System for delivering air from a multi-stage compressor to a turbine portion of a gas turbine engine.
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Kurtz,Anthony D.; Chivers,John; Epstein,Alan, System for detecting and compensating for aerodynamic instabilities in turbo-jet engines.
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Pandey, Achalesh Kumar; Sholes, John Edward; McDuffie, Dwayne David; Mundra, Kamlesh; Mazzaro, Maria Cecilia, Systems and methods for improved combined cycle control.
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Kumar, Prashant; Devarajan, Sabarinath; Thiruvettipuram Madhivanan, Vivekanandhan; Mazumder, Indrajit; Puri, Hemant; Pushkaran, Chandrasekhar; Saha, Rajarshi, Turbomachine inlet bleed heating assembly.
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Niergarth, Daniel Alan; Prentice, Ian Francis; Kroger, Christopher James, Variable pitch fan blade retention system.
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Miller, Brandon Wayne; Prentice, Ian Francis; Niergarth, Daniel Alan, Variable pitch fan for gas turbine engine and method of assembling the same.
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Niergarth, Daniel Alan; Miller, Brandon Wayne; Bradley, Donald Albert, Variable-pitch rotor with remote counterweights.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Method of operation of industrial gas turbine for optimal performance 원문보기