GB201020966D0 - Method of starting a steam turbine - Google Patents

Method of starting a steam turbine

Info

Publication number
GB201020966D0
GB201020966D0 GBGB1020966.6A GB201020966A GB201020966D0 GB 201020966 D0 GB201020966 D0 GB 201020966D0 GB 201020966 A GB201020966 A GB 201020966A GB 201020966 D0 GB201020966 D0 GB 201020966D0
Authority
GB
United Kingdom
Prior art keywords
starting
steam turbine
turbine
steam
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GBGB1020966.6A
Other versions
GB2476553A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB201020966D0 publication Critical patent/GB201020966D0/en
Publication of GB2476553A publication Critical patent/GB2476553A/en
Withdrawn legal-status Critical Current

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
    • F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
    • F01D19/02—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith dependent on temperature of component parts, e.g. of turbine-casing
    • 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
    • F01D17/02—Arrangement of sensing elements
    • 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
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
    • F01D17/145—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path by means of valves, e.g. for 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
    • F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
    • 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
    • F01K13/00—General layout or general methods of operation of complete plants
    • F01K13/02—Controlling, e.g. stopping or starting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/301—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/303—Temperature
    • F05D2270/3032—Temperature excessive temperatures, e.g. caused by overheating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Turbines (AREA)
GB1020966A 2009-12-23 2010-12-10 Steam turbine starting method Withdrawn GB2476553A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/646,201 US20110146276A1 (en) 2009-12-23 2009-12-23 Method of starting a steam turbine

Publications (2)

Publication Number Publication Date
GB201020966D0 true GB201020966D0 (en) 2011-01-26
GB2476553A GB2476553A (en) 2011-06-29

Family

ID=43566990

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1020966A Withdrawn GB2476553A (en) 2009-12-23 2010-12-10 Steam turbine starting method

Country Status (5)

Country Link
US (1) US20110146276A1 (en)
JP (1) JP2011132951A (en)
DE (1) DE102010061449A1 (en)
GB (1) GB2476553A (en)
RU (1) RU2010152280A (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8843240B2 (en) * 2010-11-30 2014-09-23 General Electric Company Loading a steam turbine based on flow and temperature ramping rates
EP2644841A1 (en) * 2012-03-29 2013-10-02 Alstom Technology Ltd Method of operating a turbine engine after flame off
US8925319B2 (en) * 2012-08-17 2015-01-06 General Electric Company Steam flow control system
US9157406B2 (en) * 2014-02-05 2015-10-13 General Electric Company Systems and methods for initializing a generator
US10100679B2 (en) 2015-08-28 2018-10-16 General Electric Company Control system for managing steam turbine rotor stress and method of use
US10040577B2 (en) 2016-02-12 2018-08-07 United Technologies Corporation Modified start sequence of a gas turbine engine
US10508567B2 (en) 2016-02-12 2019-12-17 United Technologies Corporation Auxiliary drive bowed rotor prevention system for a gas turbine engine through an engine accessory
US10443507B2 (en) 2016-02-12 2019-10-15 United Technologies Corporation Gas turbine engine bowed rotor avoidance system
US10125691B2 (en) 2016-02-12 2018-11-13 United Technologies Corporation Bowed rotor start using a variable position starter valve
US10436064B2 (en) 2016-02-12 2019-10-08 United Technologies Corporation Bowed rotor start response damping system
US10174678B2 (en) 2016-02-12 2019-01-08 United Technologies Corporation Bowed rotor start using direct temperature measurement
US9664070B1 (en) 2016-02-12 2017-05-30 United Technologies Corporation Bowed rotor prevention system
US10508601B2 (en) 2016-02-12 2019-12-17 United Technologies Corporation Auxiliary drive bowed rotor prevention system for a gas turbine engine
US10443505B2 (en) 2016-02-12 2019-10-15 United Technologies Corporation Bowed rotor start mitigation in a gas turbine engine
US10125636B2 (en) 2016-02-12 2018-11-13 United Technologies Corporation Bowed rotor prevention system using waste heat
US10539079B2 (en) 2016-02-12 2020-01-21 United Technologies Corporation Bowed rotor start mitigation in a gas turbine engine using aircraft-derived parameters
EP3211184B1 (en) 2016-02-29 2021-05-05 Raytheon Technologies Corporation Bowed rotor prevention system and associated method of bowed rotor prevention
US9988928B2 (en) * 2016-05-17 2018-06-05 Siemens Energy, Inc. Systems and methods for determining turbomachine engine safe start clearances following a shutdown of the turbomachine engine
US10787933B2 (en) 2016-06-20 2020-09-29 Raytheon Technologies Corporation Low-power bowed rotor prevention and monitoring system
US10358936B2 (en) 2016-07-05 2019-07-23 United Technologies Corporation Bowed rotor sensor system
EP3273006B1 (en) 2016-07-21 2019-07-03 United Technologies Corporation Alternating starter use during multi-engine motoring
EP3273016B1 (en) 2016-07-21 2020-04-01 United Technologies Corporation Multi-engine coordination during gas turbine engine motoring
US10618666B2 (en) 2016-07-21 2020-04-14 United Technologies Corporation Pre-start motoring synchronization for multiple engines
US10221774B2 (en) 2016-07-21 2019-03-05 United Technologies Corporation Speed control during motoring of a gas turbine engine
US10384791B2 (en) 2016-07-21 2019-08-20 United Technologies Corporation Cross engine coordination during gas turbine engine motoring
US10787968B2 (en) 2016-09-30 2020-09-29 Raytheon Technologies Corporation Gas turbine engine motoring with starter air valve manual override
US10443543B2 (en) 2016-11-04 2019-10-15 United Technologies Corporation High compressor build clearance reduction
US10823079B2 (en) 2016-11-29 2020-11-03 Raytheon Technologies Corporation Metered orifice for motoring of a gas turbine engine
US11428115B2 (en) * 2020-09-25 2022-08-30 General Electric Company Control of rotor stress within turbomachine during startup operation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267458A (en) * 1972-04-26 1981-05-12 Westinghouse Electric Corp. System and method for starting, synchronizing and operating a steam turbine with digital computer control
GB2002543B (en) * 1977-07-29 1982-02-17 Hitachi Ltd Rotor-stress preestimating turbine control system
US4204258A (en) * 1978-10-03 1980-05-20 Westinghouse Electric Corp. Turbine acceleration governing system
US4448026A (en) * 1981-09-25 1984-05-15 Westinghouse Electric Corp. Turbine high pressure bypass pressure control system
US4589255A (en) * 1984-10-25 1986-05-20 Westinghouse Electric Corp. Adaptive temperature control system for the supply of steam to a steam turbine
US4598551A (en) * 1985-10-25 1986-07-08 General Electric Company Apparatus and method for controlling steam turbine operating conditions during starting and loading
JP2593578B2 (en) * 1990-10-18 1997-03-26 株式会社東芝 Combined cycle power plant
JPH07166814A (en) * 1993-12-14 1995-06-27 Toshiba Corp Starting method for uniaxial combined cycle power generation plant
US5435138A (en) * 1994-02-14 1995-07-25 Westinghouse Electric Corp. Reduction in turbine/boiler thermal stress during bypass operation
US7621133B2 (en) * 2005-11-18 2009-11-24 General Electric Company Methods and apparatus for starting up combined cycle power systems

Also Published As

Publication number Publication date
DE102010061449A1 (en) 2011-06-30
GB2476553A (en) 2011-06-29
RU2010152280A (en) 2012-06-27
JP2011132951A (en) 2011-07-07
US20110146276A1 (en) 2011-06-23

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)