IT1240283B - Metodo per migliorare il rapporto di conversione dell'energia termica in meccanica in turbine a vapore ad arco parziale - Google Patents

Metodo per migliorare il rapporto di conversione dell'energia termica in meccanica in turbine a vapore ad arco parziale

Info

Publication number
IT1240283B
IT1240283B IT19736A IT1973690A IT1240283B IT 1240283 B IT1240283 B IT 1240283B IT 19736 A IT19736 A IT 19736A IT 1973690 A IT1973690 A IT 1973690A IT 1240283 B IT1240283 B IT 1240283B
Authority
IT
Italy
Prior art keywords
mechanics
improve
thermal energy
conversion ratio
steam turbines
Prior art date
Application number
IT19736A
Other languages
English (en)
Other versions
IT9019736A1 (it
IT9019736A0 (it
Inventor
George Joseph Silvestri Jr
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of IT9019736A0 publication Critical patent/IT9019736A0/it
Publication of IT9019736A1 publication Critical patent/IT9019736A1/it
Application granted granted Critical
Publication of IT1240283B publication Critical patent/IT1240283B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/18—Final actuators arranged in stator parts varying effective number of nozzles or guide conduits, e.g. sequentially operable valves for steam turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
    • F01K7/165—Controlling means specially adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Turbines (AREA)
IT19736A 1989-03-30 1990-03-20 Metodo per migliorare il rapporto di conversione dell'energia termica in meccanica in turbine a vapore ad arco parziale IT1240283B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/330,407 US4888954A (en) 1989-03-30 1989-03-30 Method for heat rate improvement in partial-arc steam turbine

Publications (3)

Publication Number Publication Date
IT9019736A0 IT9019736A0 (it) 1990-03-20
IT9019736A1 IT9019736A1 (it) 1991-09-20
IT1240283B true IT1240283B (it) 1993-12-03

Family

ID=23289630

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19736A IT1240283B (it) 1989-03-30 1990-03-20 Metodo per migliorare il rapporto di conversione dell'energia termica in meccanica in turbine a vapore ad arco parziale

Country Status (7)

Country Link
US (1) US4888954A (it)
JP (1) JP2866863B2 (it)
KR (1) KR100187811B1 (it)
CN (1) CN1046582A (it)
CA (1) CA2013404C (it)
ES (1) ES2026310A6 (it)
IT (1) IT1240283B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5136848A (en) * 1991-10-07 1992-08-11 Westinghouse Electric Corp. Method for predicting the optimum transition between constant and sliding pressure operation
US5333457A (en) * 1991-10-07 1994-08-02 Westinghouse Electric Corporation Operation between valve points of a partial-arc admission turbine
IT1263665B (it) * 1992-05-29 1996-08-27 Westinghouse Electric Corp Procedimento per migliorare l'efficienza operativa di un impianto di generazione di energia elettrica a turbina a vapore durante variazionidella potenza d'uscita
US5191764A (en) * 1992-06-09 1993-03-09 Westinghouse Electric Corp. Governor valve positioning to overcome partial-arc admission limits
US5621654A (en) * 1994-04-15 1997-04-15 Long Island Lighting Company System and method for economic dispatching of electrical power
US6386829B1 (en) 1999-07-02 2002-05-14 Power Technology, Incorporated Multi-valve arc inlet for steam turbine
KR100451297B1 (ko) * 2002-07-24 2004-10-06 주식회사 에이아이티신소재 이온 주입에 의한 정전기방지 기능을 갖는 빗 및 그제조방법
US7288921B2 (en) * 2004-06-25 2007-10-30 Emerson Process Management Power & Water Solutions, Inc. Method and apparatus for providing economic analysis of power generation and distribution
WO2011025930A1 (en) 2009-08-28 2011-03-03 Michael Newman Pressurized solar power system
JP5595306B2 (ja) * 2011-02-25 2014-09-24 三菱重工コンプレッサ株式会社 蒸気タービンの運転制御装置及び運転制御方法
US9328633B2 (en) 2012-06-04 2016-05-03 General Electric Company Control of steam temperature in combined cycle power plant
CA2899163C (en) * 2013-01-28 2021-08-10 Echogen Power Systems, L.L.C. Process for controlling a power turbine throttle valve during a supercritical carbon dioxide rankine cycle
AU2014225990B2 (en) 2013-03-04 2018-07-26 Echogen Power Systems, L.L.C. Heat engine systems with high net power supercritical carbon dioxide circuits
WO2016073252A1 (en) 2014-11-03 2016-05-12 Echogen Power Systems, L.L.C. Active thrust management of a turbopump within a supercritical working fluid circuit in a heat engine system
CN105890819A (zh) * 2016-04-15 2016-08-24 国网天津市电力公司 一种背压式汽轮机热耗率在线监测方法
CN105865662A (zh) * 2016-04-15 2016-08-17 国网天津市电力公司 一种纯凝汽轮机组热耗率在线监测方法
US10883388B2 (en) 2018-06-27 2021-01-05 Echogen Power Systems Llc Systems and methods for generating electricity via a pumped thermal energy storage system
US11435120B2 (en) 2020-05-05 2022-09-06 Echogen Power Systems (Delaware), Inc. Split expansion heat pump cycle
WO2022125816A1 (en) 2020-12-09 2022-06-16 Supercritical Storage Company, Inc. Three reservoir electric thermal energy storage system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096699A (en) * 1977-02-23 1978-06-27 Westinghouse Electric Corp. Auxiliary manual turbine controller
US4178762A (en) * 1978-03-24 1979-12-18 Westinghouse Electric Corp. Efficient valve position controller for use in a steam turbine power plant
US4297848A (en) * 1979-11-27 1981-11-03 Westinghouse Electric Corp. Method of optimizing the efficiency of a steam turbine power plant
US4280060A (en) * 1980-06-09 1981-07-21 General Electric Company Dedicated microcomputer-based control system for steam turbine-generators
US4577281A (en) * 1983-12-16 1986-03-18 Westinghouse Electric Corp. Method and apparatus for controlling the control valve setpoint mode selection for an extraction steam turbine

Also Published As

Publication number Publication date
CN1046582A (zh) 1990-10-31
KR100187811B1 (ko) 1999-06-01
IT9019736A1 (it) 1991-09-20
US4888954A (en) 1989-12-26
ES2026310A6 (es) 1992-04-16
IT9019736A0 (it) 1990-03-20
JPH03904A (ja) 1991-01-07
CA2013404A1 (en) 1990-09-30
CA2013404C (en) 1999-11-09
JP2866863B2 (ja) 1999-03-08
KR900014715A (ko) 1990-10-24

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990331