AT319977B - Protective arrangement for hydraulic oil quick release valves on actuators of steam turbine valves - Google Patents

Protective arrangement for hydraulic oil quick release valves on actuators of steam turbine valves

Info

Publication number
AT319977B
AT319977B AT868372A AT868372A AT319977B AT 319977 B AT319977 B AT 319977B AT 868372 A AT868372 A AT 868372A AT 868372 A AT868372 A AT 868372A AT 319977 B AT319977 B AT 319977B
Authority
AT
Austria
Prior art keywords
valves
actuators
hydraulic oil
steam turbine
quick release
Prior art date
Application number
AT868372A
Other languages
German (de)
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
Application granted granted Critical
Publication of AT319977B publication Critical patent/AT319977B/en

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steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating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steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type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steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbines having inter-stage steam heating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 Turbines (AREA)
AT868372A 1971-10-14 1972-10-10 Protective arrangement for hydraulic oil quick release valves on actuators of steam turbine valves AT319977B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00189322A US3829232A (en) 1971-10-14 1971-10-14 System and method for operating a steam turbine with dual hydraulic independent overspeed protection especially adapted for a nuclear reactor powered steam turbine

Publications (1)

Publication Number Publication Date
AT319977B true AT319977B (en) 1975-01-27

Family

ID=22696820

Family Applications (1)

Application Number Title Priority Date Filing Date
AT868372A AT319977B (en) 1971-10-14 1972-10-10 Protective arrangement for hydraulic oil quick release valves on actuators of steam turbine valves

Country Status (11)

Country Link
US (1) US3829232A (en)
AT (1) AT319977B (en)
BE (1) BE790020A (en)
CA (1) CA993508A (en)
CH (1) CH547442A (en)
DE (1) DE2248042A1 (en)
FR (1) FR2157478A5 (en)
GB (1) GB1411814A (en)
IT (1) IT968942B (en)
NL (1) NL7213866A (en)
ZA (1) ZA727070B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891344A (en) * 1972-10-14 1975-06-24 Westinghouse Electric Corp Steam turbine system with digital computer position control having improved automatic-manual interaction
US3994623A (en) * 1975-02-11 1976-11-30 Compressor Controls Corporation Method and apparatus for controlling a dynamic compressor
CH617247A5 (en) * 1977-06-30 1980-05-14 Charmilles Sa Ateliers
US4217617A (en) * 1978-09-22 1980-08-12 General Electric Company Turbine trip circuit
US4318093A (en) * 1980-02-25 1982-03-02 General Electric Company Logic circuit monitor
US4464577A (en) * 1982-06-18 1984-08-07 General Electric Company Turbine speed control
US6853930B2 (en) * 2001-02-27 2005-02-08 Hitachi, Ltd. System for aiding the preparation of operation and maintenance plans for a power generation installation
GB2427972A (en) * 2005-07-01 2007-01-10 Ics Triplex Technology Ltd Turbine speed monitor and overspeed trip
US8321119B2 (en) 2008-07-10 2012-11-27 General Electric Company Methods and systems to facilitate over-speed protection
US8224552B2 (en) * 2008-07-10 2012-07-17 General Electric Company Methods and systems to facilitate over-speed protection
CN103850724B (en) * 2012-11-29 2015-12-23 中广核工程有限公司 A kind of nuclear power station realizes the system and method for steam turbine emergency shutdown
CN110080837B (en) * 2019-06-06 2023-12-08 东方电气自动控制工程有限公司 Control module adopting three-out-of-two logic voting
CN115126552B (en) * 2022-07-26 2024-06-04 中国船舶集团有限公司第七〇四研究所 Flow valve group structure with safety valve arranged outside machine

Also Published As

Publication number Publication date
GB1411814A (en) 1975-10-29
CH547442A (en) 1974-03-29
US3829232A (en) 1974-08-13
CA993508A (en) 1976-07-20
IT968942B (en) 1974-03-20
AU4750072A (en) 1974-04-11
DE2248042A1 (en) 1973-04-19
ZA727070B (en) 1973-06-27
BE790020A (en) 1973-04-12
NL7213866A (en) 1973-04-17
FR2157478A5 (en) 1973-06-01

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