CA1023800A - Intercept valve controlling method and system for use in a heat power plant - Google Patents

Intercept valve controlling method and system for use in a heat power plant

Info

Publication number
CA1023800A
CA1023800A CA188,499A CA188499A CA1023800A CA 1023800 A CA1023800 A CA 1023800A CA 188499 A CA188499 A CA 188499A CA 1023800 A CA1023800 A CA 1023800A
Authority
CA
Canada
Prior art keywords
power plant
controlling method
valve controlling
heat power
intercept valve
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.)
Expired
Application number
CA188,499A
Other languages
English (en)
French (fr)
Other versions
CA188499S (en
Inventor
Akira Isono
Yoshihiro Uchiyama
Hiroaki Aotsu
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of CA1023800A publication Critical patent/CA1023800A/en
Expired 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
    • 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steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating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steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
    • F01K7/22—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 the turbines having inter-stage steam heating
    • F01K7/24—Control or safety means specially adapted therefor
    • 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
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/02—Shutting-down responsive to overspeed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Eletrric Generators (AREA)
  • Control Of Turbines (AREA)
CA188,499A 1972-12-20 1973-12-19 Intercept valve controlling method and system for use in a heat power plant Expired CA1023800A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47127205A JPS5245008B2 (fi) 1972-12-20 1972-12-20

Publications (1)

Publication Number Publication Date
CA1023800A true CA1023800A (en) 1978-01-03

Family

ID=14954304

Family Applications (1)

Application Number Title Priority Date Filing Date
CA188,499A Expired CA1023800A (en) 1972-12-20 1973-12-19 Intercept valve controlling method and system for use in a heat power plant

Country Status (4)

Country Link
US (1) US3956637A (fi)
JP (1) JPS5245008B2 (fi)
AU (1) AU466203B2 (fi)
CA (1) CA1023800A (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4166221A (en) * 1978-02-09 1979-08-28 Westinghouse Electric Corp. Overspeed protection controller employing interceptor valve speed control
JPS5622600A (en) * 1979-08-01 1981-03-03 Hitachi Ltd Controlling method for excitation of generator
JP5677020B2 (ja) * 2010-10-19 2015-02-25 株式会社東芝 発電プラント及びその運転方法
WO2012055115A1 (en) * 2010-10-29 2012-05-03 Abb Research Ltd. Integrated excitation and turbine controller for synchronous generator and control method thereof
CN105224721B (zh) * 2015-09-08 2018-12-18 中国电力科学研究院 一种机电暂态失稳模式的自动识别方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1046837A (en) * 1964-08-13 1966-10-26 Parsons C A & Co Ltd Improvements in and relating to speed governing systems for steam turbines
US3614457A (en) * 1965-07-01 1971-10-19 Gen Electric Turbine overspeed trip anticipator
US3849666A (en) * 1966-02-07 1974-11-19 Fast Load Control Inc Method for employment of fast turbine valving
US3421014A (en) * 1967-08-29 1969-01-07 Boris Petrovich Moorganov Apparatus for controlling operation of turbogenerator under emergency conditions in the power system
US3609384A (en) * 1969-09-03 1971-09-28 Electrodyne Res Corp Control means for stabilizing a steam-driven reheat-type turbine generator after sudden runback of electric generation
BE757455A (fr) * 1969-10-16 1971-03-16 Westinghouse Electric Corp Systeme anti-emballement pour
US3836822A (en) * 1972-03-22 1974-09-17 Kraftwerk Union Ag Control apparatus for temporarily reducing turbine torque
US3848138A (en) * 1972-04-17 1974-11-12 Fast Load Control Inc Method of effecting fast turbine valving for improvement of power system stability

Also Published As

Publication number Publication date
AU466203B2 (en) 1975-10-23
JPS4983808A (fi) 1974-08-12
JPS5245008B2 (fi) 1977-11-12
AU6382373A (en) 1975-06-26
US3956637A (en) 1976-05-11

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