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특허 상세정보

System and method for operating a steam turbine and an electric power generating plant

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G06F-015/46    F01B-025/00   
미국특허분류(USC) 364/494 ; 60/660
출원번호 US-0720725 (1976-09-07)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 27  인용 특허 : 2
초록

A programmed digital computer control system determines the turbine steam flow changes required to satisfy the speed and load demand made on the operation of a large electric power stream turbine for which substantially constant throttle pressure steam is generated. Load control is directed to plant electric power generation and it is based on feedforward valve positioning operation with feedback multiplication calibration for plant load and/or turbine speed error. Changes in the turbine operating level are limited by dynamic constraints applied by the c...

대표
청구항

A system for operating a steam turbine comprising nonlinear operating steam valve means for determining the flow of steam through at least one section of the turbine, means for determining a representation of the actual value of at least one variable turbine condition selected from the turbine speed condition and the turbine load condition, programmed digital computer means having a reference representation of said one turbine condition, said computer system further having means for generating at least one predetermined linearizing characterization to of...

이 특허를 인용한 특허 피인용횟수: 27

  1. Twilley ; Jr. Robert C. (Forest VA). Abnormal transient display system for nuclear reactor operation. USP1986084608223.
  2. Karpman, Boris; Meisner, Richard P.; Lacour, Mark E.. Control of engineering systems utilizing component-level dynamic mathematical model with single-input single-output estimator. USP2012068195311.
  3. Putman Richard E. (Penn Hills PA). Control system for fluid flow distribution. USP1986034577280.
  4. Wacknov, Joel; Geis, Everett R.. Distributed power system. USP2004116812586.
  5. McDonald, Dennis; Pursifull, Ross Dykstra. Dynamic electronic throttle position feedforward system. USP2003036526941.
  6. Beveridge, Robert Allen; Whalen, Jr., Richard J.. Dynamic matrix control of steam temperature with prevention of saturated steam entry into superheater. USP2015129217565.
  7. Beveridge, Robert A.; Whalen, Jr., Richard J.. Dynamic tuning of dynamic matrix control of steam temperature. USP2016099447963.
  8. Britt, Tena K.; Oceanak, Scott David; Rubenthaler, Dave; Russo, Aaron. Generating steam turbine performance maps. USP20190410260377.
  9. Karpman, Boris; Meisner, Richard P.; Shade, John L.. High fidelity integrated heat transfer and clearance in component-level dynamic turbine system control. USP2012118315741.
  10. Martens, Alan; Hobbs, Milton M.; Myers, Gerald A.. Initial steam flow regulator for steam turbine start-up. USP1985124561254.
  11. Willis, Jeffrey W.; Berner, Paul; Pont, Guillermo; Wacknov, Joel. Integrated turbine power generation system with catalytic reactor. USP2005116960840.
  12. Gobrecht,Edwin; Havemann,Juergen; Henkel,Norbert; Wechsung,Michael. Method and device for operating a steam turbine comprising several no-load or light-load phases. USP2006047028479.
  13. Gilbreth, Mark; Wacknov, Joel; Wall, Simon. Method and system for control of turbogenerator power and temperature. USP2005036870279.
  14. Olia, Hamid; Schlesier, Jan. Method for operating a power plant. USP2015099127574.
  15. Pechtl,Peter Anton; Posch,Martin; Davari,Bijan; Dieleman,Marco Robert. Methods and apparatus for optimizing combined cycle/combined process facilities. USP2008047356383.
  16. Beveridge, Robert Allen. Model-based load demand control. USP2015109163828.
  17. Beveridge, Robert Allen. Model-based load demand control. USP20190110190766.
  18. Putman Richard E. (Penn Hills PA). Multiplane optimization method and apparatus for cogeneration of steam and power. USP1986124628462.
  19. Mark Gilbreth ; Joel Wacknov ; Simon Wall. Power controller. USP2002116487096.
  20. Claude, Khalizadeh; Joel, Wacknov. Power generation system having transient ride-through/load-leveling capabilities. USP2004096787933.
  21. Karpman, Boris; Roadinger, Thomas J.; Meisner, Richard P.. Robust flow parameter model for component-level dynamic turbine system control. USP2014038668434.
  22. Beveridge, Robert A.; Whalen, Jr., Richard J.. Steam temperature control using dynamic matrix control. USP2016059335042.
  23. Mundra, Kamlesh; Hernandez Sanchez, Nestor. Steam turbine flow adjustment system. USP2013088505299.
  24. Yoshida, Yasuhiro; Yoshida, Takuya; Yashiki, Tatsuro; Nomura, Kenichiro; Yamanaka, Kazunori; Tomizawa, Masaaki; Takahashi, Yuichi; Suzuki, Fumiyuki. Steam turbine power plant. USP2016029249682.
  25. Gilbreth, Mark; Wacknov, Joel; Wall, Simon; Edelman, Ed. Transient turbine exhaust temperature control for a turbogenerator. USP2003096612112.
  26. Wall, Simon; Dickey, Brian; Pont, Guillermo. Turbogenerator with electrical brake. USP2004086784565.
  27. Geis, Everett R.; Peticolas, Brian W.. Turbogenerator/motor controller. USP200905RE40713.