[특허]Process for controlling a power turbine throttle valve during a supercritical carbon dioxide rankine cycle

Process for controlling a power turbine throttle valve during a supercritical carbon dioxide rankine cycle 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01K-007/16 F01K-007/32 F01D-021/14 F01D-019/02 F01D-019/00 F01D-021/00 F01D-013/02 F01D-017/04 F01D-017/00 F01K-013/02 F01K-025/10
출원번호	US-0164780 (2014-01-27)
등록번호	US-9752460 (2017-09-05)
발명자 / 주소	Bowan, Brett A.
출원인 / 주소	Echogen Power Systems, LLC
대리인 / 주소	Nolte Intellectual Property Law Group
인용정보	피인용 횟수 : 0 인용 특허 : 246

초록 ▼

Embodiments of the invention generally provide a heat engine system, a method for generating electricity, and an algorithm for controlling the heat engine system which are configured to efficiently transform thermal energy of a waste heat stream into electricity. In one embodiment, the heat engine system utilizes a working fluid (e.g., sc-CO2) within a working fluid circuit for absorbing the thermal energy that is transformed to mechanical energy by a turbine and electrical energy by a generator. The heat engine system further contains a control system operatively connected to the working fluid circuit and enabled to monitor and control parameters of the heat engine system by manipulating a power turbine throttle valve to adjust the flow of the working fluid. A control algorithm containing multiple system controllers may be utilized by the control system to adjust the power turbine throttle valve while maximizing efficiency of the heat engine system.

대표청구항 ▼

1. A method for generating electricity with a heat engine system, comprising: circulating a working fluid within a working fluid circuit having a high pressure side and a low pressure side, wherein at least a portion of the working fluid is in a supercritical state;transferring thermal energy from a heat source stream to the working fluid by a first heat exchanger fluidly coupled to and in thermal communication with the heat source stream and the high pressure side of the working fluid circuit;transferring the working fluid from the first heat exchanger to a first recuperator fluidly coupled to the high pressure side and the low pressure side of the working fluid circuit, wherein the first recuperator is fluidly coupled to the first heat exchanger within the high pressure side of the working fluid circuit;transferring thermal energy from the working fluid in the low pressure side to the working fluid in the high pressure side by the first recuperator;transferring the working fluid from the first recuperator to a second heat exchanger fluidly coupled to and in thermal communication with the heat source stream and the high pressure side of the working fluid circuit;transferring thermal energy from the heat source stream to the working fluid by the second heat exchanger;transferring the working fluid from the second heat exchanger to a power turbine;transferring thermal energy from the working fluid to the power turbine while converting a pressure drop in the working fluid to mechanical energy, wherein the power turbine is disposed between the high pressure side and the low pressure side of the working fluid circuit and fluidly coupled to and in thermal communication with the working fluid;converting the mechanical energy into electrical energy by a power generator coupled to the power turbine;transferring the working fluid from the power turbine to the first recuperator;transferring the working fluid from the first recuperator to a second recuperator fluidly coupled to the high pressure side and the low pressure side of the working fluid circuit;transferring thermal energy from the working fluid in the low pressure side to the working fluid in the high pressure side by the second recuperator;transferring the electrical energy from the power generator to a power outlet, wherein the power outlet is electrically coupled to the power generator and configured to transfer the electrical energy from the power generator to an electrical grid;controlling the power turbine by operating a power turbine throttle valve to adjust a flow of the working fluid, wherein the power turbine throttle valve is fluidly coupled to the working fluid in the supercritical state within the high pressure side of the working fluid circuit upstream from the power turbine; andmonitoring and controlling process operation parameters of the heat engine system, wherein monitoring and controlling the process operation parameters comprises: adjusting the flow of the working fluid by modulating the power turbine throttle valve to control a rotational speed of the power turbine while synchronizing the power generator with an electrical grid; andadjusting the flow of the working fluid by modulating the power turbine throttle valve to adaptively tune the power turbine while maintaining a continuous power output from the power generator. 2. The method of claim 1, wherein the electrical grid contains at least one alternating current bus, alternating current circuit, alternating current grid, or combinations thereof. 3. The method of claim 1, wherein the working fluid comprises carbon dioxide and at least a portion of the carbon dioxide is in a supercritical state. 4. The method of claim 1, wherein a generator control module provides an output signal in relation to a phase difference between a generator frequency of the power generator and a grid frequency of the electrical grid. 5. The method of claim 1, further comprising closing a breaker on the power generator once the power turbine is synchronized with the power generator. 6. The method of claim 1, further comprising: monitoring the power output from the power generator; andmodulating the power turbine throttle valve to adaptively tune the power turbine in response to the power output. 7. The method of claim 1, further comprising monitoring and detecting a reduction of pressure of the working fluid in the supercritical state within the working fluid circuit during a process upset. 8. The method of claim 1, further comprising monitoring and detecting an increase of rotational speed of the power turbine, the power generator, or a shaft coupled between the power turbine and the power generator during a process upset. 9. The method of claim 8, further comprising detecting the increase of rotational speed and subsequently adjusting the flow of the working fluid by modulating the power turbine throttle valve to reduce the rotational speed.

이 특허에 인용된 특허 (246)

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Kalina, Alexander I., Power system and apparatus for utilizing waste heat.
상세보기
Kalina, Alexander I., Power system and apparatus utilizing intermediate temperature waste heat.
상세보기
Garris ; Jr. Charles A. (Vienna VA), Pressure exchanging ejector and refrigeration apparatus and method.
상세보기
Schmidt Randy P. (Cedar Falls IA) Brandau Steven G. (Cedar Falls IA) Miller James A. (Cedar Falls IA) Stephenson Dwight B. (Savage MN), Pressure flow compensating control circuit.
상세보기
Koizumi Naoto (Hitachi) Takashi Asao (Juoo) Hoizumi Shinichi (Hitachi) Noguchi Yoshiki (Hitachi) Sasaki Toshihiko (Hitachi JPX), Pressurized fluidized bed combustion combined cycle power plant and method of operating the same.
상세보기
Dickinson Norman L. (Monte Sereno CA), Pressurized wet combustion at increased temperature.
상세보기
Rojey Alexandre (Garches FRX) Cheron Jacques (Laffite FRX), Process for producing cold and/or heat by use of an absorption cycle with carbon dioxide as working fluid.
상세보기
Lysaght, Richard G., Qualifier.
상세보기
Shawn P. Lawlor, Ramjet engine for power generation.
상세보기
Nicodemus Mark, Rankine cycle and working fluid therefor.
상세보기
Nicodemus Mark, Rankine cycle and working fluid therefor.
상세보기
Sundel, Timothy Neil, Rankine cycle device having multiple turbo-generators.
상세보기
Ernst, Timothy C., Rankine cycle load limiting through use of a recuperator bypass.
상세보기
Bronicki Lucien Y. (Yavne ILX) Elovic Asher (Macabeem ILX), Rankine cycle power plant utilizing organic working fluid.
상세보기
Myers, Scott R.; Miller, Robert, Recovering heat energy.
상세보기
Myers, Scott R.; Miller, Robert, Recovering heat energy.
상세보기
Spauschus Hans O. ; Hesse Ullrich,DEX, Reduced pressure carbon dioxide-based refrigeration system.
상세보기
Patrick Bonsignore ; Michael H. Gurin, Refrigerant and heat transfer fluid additive.
상세보기
Meckler Milton (930 20th St. ; Apt. 2 Santa Monica CA 90403), Refrigerant enhancer-absorbent concentrator and turbo-charged absorption chiller.
상세보기
Linhardt Hans D. ; Rosener ; Jr. Joseph, Refrigeration apparatus and method.
상세보기
Hobson Michael J. (S 5890 Old Lake Shore Rd. Lakeview NY 14085), Regenerative heat storage in compressed air power system.
상세보기
Riffat Saffa Bashir,GBX ; Eames Ian William,GBX, Rotatable heat transfer apparatus.
상세보기
Tornquist, Gerald Eugene; Borden, Raymond Walter; Lengel, James D.; McDowall, Gregor L.; Doherty, Kieran P. J., Rotor end caps and a method of cooling a high speed generator.
상세보기
Brown Wayne M. (North Granby CT) Neal William F. (South Windsor CT) Schwarz Frederick M. (Glastonbury CT), Rotor thrust balancing.
상세보기
Berthold Matz DE; Josef Nosowicz DE; Wolfgang Ries DE; Reinhard Svejkovsky DE, Sealing element for a face seal assembly.
상세보기
Labinov Solomon D. (Oak Ridge TN) Sand James R. (Oak Ridge TN), Self-contained small utility system.
상세보기
Kuo Alex C. (Charleston WV) Condron James A. (Hurricane WV) Hoy Kenneth L. (St. Albans WV), Semi-continuous method and apparatus for forming a heated and pressurized mixture of fluids in a predetermined proportio.
상세보기
Lazare Leon (Stamford CT), Serial absorption refrigeration process.
상세보기
McClanahan, Timmons S.; Crim, Michael C., Simple and compact low-temperature power cycle.
상세보기
Norton Peter, Small heat and electricity generating plant.
상세보기
Bottum Edward W. (9357 Spencer Road Brighton MI 48116), Solar assisted heat pump system.
상세보기
Toyomura Fumitaka,JPX ; Sasaoka Makoto,JPX, Solar cell module.
상세보기
Shingleton Jefferson, Solar collector and tracker arrangement.
상세보기
Vandenberg Leonard B. (710 Sanders Ave. Scotia NY 12302), Solar heat pump.
상세보기
Palmatier, Everett P., Solar heating system.
상세보기
Wagner Erich (Levittown PA) Twesme Edward N. (Willow Grove PA) Hidalgo Craig (Levittown PA), Solar panel.
상세보기
Roderick Guy A. (El Paso TX) Locke Peter (El Paso TX), Solar panel module.
상세보기
Moore Roger M. (Newbury Park CA), Solar-gas combined cycle electrical generating system.
상세보기
Russell,John David; Rutkowski,Brian D., Speed control method.
상세보기
Calistrat Michael M. ; Revak Lynn A., Speed control system for a prime mover.
상세보기
Lopes William F. (North Reading MA) Carberg William G. (Georgetown MA), Start-up attemperator.
상세보기
Cogswell,Frederick James; Kang,Pengju, Startup and control methods for an ORC bottoming plant.
상세보기
Yamada,Masahiko; Yamashita,Katsuya; Goto,Koichi; Nakagaki,Takao, Steam turbine plant.
상세보기
Gilli Paul Viktor (Graz OE) Beckmann Georg (Vienna OE), Steam-type peak-power generating system.
상세보기
Baker, Karl William, Superheater capillary two-phase thermodynamic power conversion cycle system.
상세보기
Kalina Alexander I. (Hillsborough CA) Mirolli Mark D. (Hayward CA), Supplying heat to an externally fired power system.
상세보기
Kalina, Alexander I., System and apparatus for complete condensation of multi-component working fluids.
상세보기
Kalina,Alexander I., System and apparatus for power system utilizing wide temperature range heat sources.
상세보기
Hafner,James Lee; Tomlin,John Anthony, System and method for minimizing energy consumption in hybrid vehicles.
상세보기
Otterstrom, Gary G., System and method for providing a launch assist system.
상세보기
Kalina,Alexander I., System and method for utilization of waste heat from internal combustion engines.
상세보기
Kalina, Alexander I., System and process for base load power generation.
상세보기
Heiser Richard S. (Pittsburgh PA) Scott Anthony I. (Greesburg PA), System for operating a steam turbine with bumpless digital megawatt and impulse pressure control loop switching.
상세보기
Kalina, Alexander I., Systems and methods for low temperature heat sources with relatively high temperature cooling media.
상세보기
Keefer,Bowie G.; Sawada,James A.; Johannes,Erik P.; Roy,Surajit; Brown,Michael J., Systems and processes for providing hydrogen to fuel cells.
상세보기
Briley Patrick B. (Tulsa OK), Temperature conditioning system suitable for use with a solar energy collection and storage apparatus or a low temperatu.
상세보기
Hagen,David L.; Ginter,Gary; Traverso,Alberto; Goheen,Bill; McGuire,Allan; Rankin,Janet; Massardo,Aristide; Klaus,Ronald L., Thermodynamic cycles using thermal diluent.
상세보기
Wethe Jay D. (Whittier CA) Waters William M. (Glendora CA), Thermodynamic cycles with supercritical CO₂ cycle topping.
상세보기
Gurin, Michael H., Thermodynamic power conversion cycle and methods of use.
상세보기
Briccetti Mario F. (Liverpool NY), Thermostat self-test apparatus and method.
상세보기
Kaschmitter James L. (Pleasanton CA), Three dimensional amorphous silicon/microcrystalline silicon solar cells.
상세보기
Briley Patrick B. (Lawton OK), Three phase absorption systems and methods for refrigeration and heat pump cycles.
상세보기
Haaser Frederic G. (Montgomery OH), Thrust bearing loading arrangement for gas turbine engines.
상세보기
Hustak ; Jr. Jerome F. (Olean NY) Peer David J. (Olean NY), Thrust compensating apparatus.
상세보기
Swearingen Judson S. (2235 Carmelina Los Angeles CA 90064), Thrust controlled rotary apparatus.
상세보기
Pope Adam N. (Cincinnati OH), Thrust force-compensating apparatus with improved hydraulic pressure-responsive balance mechanism.
상세보기
Hays, Lance G., Transcritical turbine and method of operation.
상세보기
Manole,Dan M., Transcritical vapor compression system and method of operating including refrigerant storage tank and non-variable expansion device.
상세보기
Dickenson Royston J. (Scotia NY), Turbine bypass desuperheater control system.
상세보기
Liu Xiaoliu,CAX, Turbine engine having improved thrust bearing load control.
상세보기
Binstock Morton H. (Pittsburgh PA) McCloskey Thomas H. (Palo Alto CA) Podolsky Leaman B. (Wilmington DE), Turbine high pressure bypass temperature control system and method.
상세보기
Ganev,Evgeni; Koerner,Mike S.; Liu,Chung Y., Turbine speed control system and method.
상세보기
Bhattacharyya, Abhijit; Marscher, William D., Turbomachinery seal.
상세보기
Holt Robert S. ; Dahlheimer John C., Unitized seal impeller thrust system.
상세보기
Miyahara,Minoru; Theil,Bernard, Unitized spring device and master cylinder including such device.
상세보기
Timothy J. Keller ; Daniel Burns ; Mohamad Hanif Vhora ; Patrick O'Brien ; Coung Van Nguyen, Valve control logic for gas turbine recuperator.
상세보기
David A. Wightman, Vapor compression system.
상세보기
Hatanaka Takefumi,JPX, Vehicle driving method and hybrid vehicle propulsion system.
상세보기
Schechter Michael M., Vehicle operating method and system.
상세보기
Nishikawa, Michio; Yamashita, Kouji; Kishita, Hiroshi; Uno, Keiichi, Waste heat recovery apparatus.
상세보기
Bronicki, Lucien Y.; Amir, Nadav; Kaplan, Uri; Batscha, Danny, Waste heat recovery in an organic energy converter using an intermediate liquid cycle.
상세보기
Tanaka Yoshiharu (Machida JPX), Waste heat recovery system for an internal combustion engine.
상세보기
Ernst, Timothy C.; Nelson, Christopher R., Waste heat recovery system with constant power output.
상세보기
Bassett,Terry E., Waste oil electrical generation systems.
상세보기
Loomis Robert G. (116 Burdsall Ft. Mitchell KY 41017), Working fluids for electrical generating plants.
상세보기

IPC	Description
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

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Process for controlling a power turbine throttle valve during a supercritical carbon dioxide rankine cycle 원문보기

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연합인증

Process for controlling a power turbine throttle valve during a supercritical carbon dioxide rankine cycle 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

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