BR8108401A - Mecanismo de regulagem eletrohidraulico para valvulas de turbinas - Google Patents

Mecanismo de regulagem eletrohidraulico para valvulas de turbinas

Info

Publication number
BR8108401A
BR8108401A BR8108401A BR8108401A BR8108401A BR 8108401 A BR8108401 A BR 8108401A BR 8108401 A BR8108401 A BR 8108401A BR 8108401 A BR8108401 A BR 8108401A BR 8108401 A BR8108401 A BR 8108401A
Authority
BR
Brazil
Prior art keywords
servo piston
switch
valve
error signal
turbine
Prior art date
Application number
BR8108401A
Other languages
English (en)
Inventor
Wolfgang Kindermann
Original Assignee
Kraftwerk Union Ag
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 Kraftwerk Union Ag filed Critical Kraftwerk Union Ag
Publication of BR8108401A publication Critical patent/BR8108401A/pt

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • 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
    • F01D17/20—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
    • F01D17/22—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical
    • F01D17/26—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical fluid, e.g. hydraulic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • F15B9/09—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor with electrical control means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/14—Automatic controllers electric in which the output signal represents a discontinuous function of the deviation from the desired value, i.e. discontinuous controllers
    • G05B11/18—Multi-step controllers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Turbines (AREA)
  • Servomotors (AREA)
  • Control Of Water Turbines (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Magnetically Actuated Valves (AREA)
BR8108401A 1980-12-29 1981-12-28 Mecanismo de regulagem eletrohidraulico para valvulas de turbinas BR8108401A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3049348A DE3049348C2 (de) 1980-12-29 1980-12-29 Elektrohydraulischer Stellantrieb für Turbinenventile

Publications (1)

Publication Number Publication Date
BR8108401A true BR8108401A (pt) 1982-10-13

Family

ID=6120473

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8108401A BR8108401A (pt) 1980-12-29 1981-12-28 Mecanismo de regulagem eletrohidraulico para valvulas de turbinas

Country Status (7)

Country Link
EP (1) EP0055351B1 (pt)
JP (1) JPS57135204A (pt)
AT (1) ATE18816T1 (pt)
BR (1) BR8108401A (pt)
DE (1) DE3049348C2 (pt)
ES (1) ES508356A0 (pt)
IN (1) IN154942B (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4597405A (en) * 1982-03-16 1986-07-01 Gebruder Buhler Ag Process and apparatus for controlling a controllable magnitude and use of the process
EP0089058B1 (de) * 1982-03-16 1987-11-04 Bühler AG Verfahren und Anordnung zur Regelung einer Regelgrösse sowie Anwendung des Verfahrens
JPS59115404A (ja) * 1982-12-23 1984-07-03 Toshiba Corp 蒸気タ−ビンにおける蒸気弁の開度位置制御装置
GB8426486D0 (en) * 1984-10-19 1984-11-28 Lucas Ind Plc Electro-hydraulic actuator systems
JPH0552202A (ja) * 1991-08-20 1993-03-02 Sumitomo Metal Ind Ltd 油圧式サーボ装置
DE19748758B4 (de) * 1997-11-05 2004-08-12 Techno Alpin Gmbh/S.R.L. Motorischer Stellantrieb
EP2620655A1 (de) * 2012-01-30 2013-07-31 Siemens Aktiengesellschaft Antriebssystem für ein Ventil
DE102014226666B3 (de) * 2014-12-19 2015-12-24 Voith Patent Gmbh Stellantrieb für ein Regelventil, insbesondere Dampfturbinenregelventil und Verfahren zum Betreiben desselben
DE102014226672B3 (de) 2014-12-19 2015-12-24 Voith Patent Gmbh Stellantrieb für ein Regelventil, insbesondere Dampfturbinenregelventil und Verfahren zum Betreiben desselben

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1428616A (fr) * 1965-01-08 1966-02-18 Chantiers De Nantes Atel Perfectionnements apportés aux dispositifs de télécommande ou de transmission potentiométriques
AT267663B (de) * 1966-05-25 1969-01-10 Inst Regelungstechnik Einrichtung, insbesondere für die Fernübertragung von Meßwerten und Befehlen bzw. für analoge Rechengeräte zur servomechanischen Umwandlung eines elektrischen Signals in einen Weg oder eine Winkelstellung
FI52155C (fi) * 1968-01-03 1977-06-10 Ahlstroem Oy Sovitelma liikkuvien koneenosien asennon säätämiseksi.
JPS5234742B1 (pt) * 1971-03-31 1977-09-05
CH545509A (pt) * 1971-12-17 1974-01-31
US3953741A (en) * 1971-12-17 1976-04-27 Stata-Control System Scs Ag Stepwise control for two-step control with switching stages
SE372054B (pt) * 1973-04-24 1974-12-09 Stal Laval Turbin Ab
JPS5427517A (en) * 1977-08-04 1979-03-01 Kuraray Co Ltd New polysaccharide and its preparation
FR2405358A1 (fr) * 1977-10-06 1979-05-04 Europ Turb Vapeur Systeme de regulation pour turbines a vapeur
DE2744941A1 (de) * 1977-10-06 1979-04-19 Schoppe & Faeser Gmbh Verfahren und einrichtung zur ueberwachung eines stellungsreglers auf stoerungen

Also Published As

Publication number Publication date
ES8302875A1 (es) 1982-12-01
EP0055351B1 (de) 1986-03-26
JPS57135204A (en) 1982-08-20
ES508356A0 (es) 1982-12-01
ATE18816T1 (de) 1986-04-15
DE3049348C2 (de) 1985-10-31
JPS644044B2 (pt) 1989-01-24
EP0055351A1 (de) 1982-07-07
IN154942B (pt) 1984-12-22
DE3049348A1 (de) 1982-07-08

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