EP3757355A4 - Control device for steam governing valve of power generation plant, and method for controlling steam governing valve of power generation plant - Google Patents

Control device for steam governing valve of power generation plant, and method for controlling steam governing valve of power generation plant Download PDF

Info

Publication number
EP3757355A4
EP3757355A4 EP19757587.1A EP19757587A EP3757355A4 EP 3757355 A4 EP3757355 A4 EP 3757355A4 EP 19757587 A EP19757587 A EP 19757587A EP 3757355 A4 EP3757355 A4 EP 3757355A4
Authority
EP
European Patent Office
Prior art keywords
power generation
generation plant
governing valve
steam governing
control device
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.)
Pending
Application number
EP19757587.1A
Other languages
German (de)
French (fr)
Other versions
EP3757355A1 (en
Inventor
Ryota Miyake
Naoyuki TAKADO
Toshio Aoki
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.)
Toshiba Corp
Toshiba Energy Systems and Solutions Corp
Original Assignee
Toshiba Corp
Toshiba Energy Systems and Solutions 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 Toshiba Corp, Toshiba Energy Systems and Solutions Corp filed Critical Toshiba Corp
Publication of EP3757355A1 publication Critical patent/EP3757355A1/en
Publication of EP3757355A4 publication Critical patent/EP3757355A4/en
Pending 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
    • 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
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/105—Final actuators by passing part of the fluid
    • 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
    • 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
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/31—Application in turbines in steam turbines
    • 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
    • F05D2260/00—Function
    • F05D2260/60—Fluid transfer
    • F05D2260/606—Bypassing the fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Turbines (AREA)
EP19757587.1A 2018-02-21 2019-01-29 Control device for steam governing valve of power generation plant, and method for controlling steam governing valve of power generation plant Pending EP3757355A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018028945 2018-02-21
PCT/JP2019/002913 WO2019163438A1 (en) 2018-02-21 2019-01-29 Control device for steam governing valve of power generation plant, and method for controlling steam governing valve of power generation plant

Publications (2)

Publication Number Publication Date
EP3757355A1 EP3757355A1 (en) 2020-12-30
EP3757355A4 true EP3757355A4 (en) 2021-11-24

Family

ID=67688028

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19757587.1A Pending EP3757355A4 (en) 2018-02-21 2019-01-29 Control device for steam governing valve of power generation plant, and method for controlling steam governing valve of power generation plant

Country Status (3)

Country Link
EP (1) EP3757355A4 (en)
JP (1) JP7110130B2 (en)
WO (1) WO2019163438A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019217634A1 (en) * 2018-05-09 2019-11-14 Abb Schweiz Ag Valve position control
CN113803121B (en) * 2021-10-29 2023-12-22 国能龙源蓝天节能技术有限公司 Automatic control method and system for low-pressure steam turbine and power generation system
CN115717554B (en) * 2022-11-18 2024-06-14 中广核研究院有限公司 Robustness adjusting method and system of turbine rotating speed adjusting system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095119A (en) * 1976-06-23 1978-06-13 Westinghouse Electric Corp. System for responding to a partial loss of load of a turbine power plant
US4120159A (en) * 1975-10-22 1978-10-17 Hitachi, Ltd. Steam turbine control system and method of controlling the ratio of steam flow between under full-arc admission mode and under partial-arc admission mode
FR2976136A1 (en) * 2011-05-30 2012-12-07 Enertime Rankine cycle system for producing electricity for non-infinite type local electricity network utilized to supply electric power to load, has controller controlling closing of switch to trigger supply according to information characteristic
WO2016157116A1 (en) * 2015-04-03 2016-10-06 Turboden S.R.L. Combined control method of an organic rankine cycle
EP3260671A1 (en) * 2016-06-21 2017-12-27 General Electric Technology GmbH Turbine control valves dynamic interaction

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5034727B1 (en) * 1970-05-06 1975-11-11
JPS5534242Y2 (en) * 1975-12-04 1980-08-14
JPH0676765B2 (en) 1986-03-07 1994-09-28 四国電力株式会社 Turbin high speed valve controller
JP3486825B2 (en) * 1994-12-13 2004-01-13 富士電機ホールディングス株式会社 Power plant control system
JP3923124B2 (en) * 1997-03-07 2007-05-30 三菱電機株式会社 Turbine high-speed valve control method
JP4575109B2 (en) * 2004-10-18 2010-11-04 株式会社東芝 Nuclear power plant
US8463451B2 (en) 2010-04-19 2013-06-11 General Electric Company Automatic primary frequency response contribution monitoring system and method
JP6058419B2 (en) 2013-02-19 2017-01-11 株式会社東芝 Steam turbine valve control apparatus and valve control method thereof
JP6603526B2 (en) * 2015-09-18 2019-11-06 株式会社東芝 Steam turbine equipment and operation method of steam turbine equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4120159A (en) * 1975-10-22 1978-10-17 Hitachi, Ltd. Steam turbine control system and method of controlling the ratio of steam flow between under full-arc admission mode and under partial-arc admission mode
US4095119A (en) * 1976-06-23 1978-06-13 Westinghouse Electric Corp. System for responding to a partial loss of load of a turbine power plant
FR2976136A1 (en) * 2011-05-30 2012-12-07 Enertime Rankine cycle system for producing electricity for non-infinite type local electricity network utilized to supply electric power to load, has controller controlling closing of switch to trigger supply according to information characteristic
WO2016157116A1 (en) * 2015-04-03 2016-10-06 Turboden S.R.L. Combined control method of an organic rankine cycle
EP3260671A1 (en) * 2016-06-21 2017-12-27 General Electric Technology GmbH Turbine control valves dynamic interaction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019163438A1 *

Also Published As

Publication number Publication date
JP7110130B2 (en) 2022-08-01
JP2019143626A (en) 2019-08-29
WO2019163438A1 (en) 2019-08-29
EP3757355A1 (en) 2020-12-30

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