BE1010221A4 - Pump/Turbine installation - Google Patents

Pump/Turbine installation Download PDF

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Publication number
BE1010221A4
BE1010221A4 BE9600375A BE9600375A BE1010221A4 BE 1010221 A4 BE1010221 A4 BE 1010221A4 BE 9600375 A BE9600375 A BE 9600375A BE 9600375 A BE9600375 A BE 9600375A BE 1010221 A4 BE1010221 A4 BE 1010221A4
Authority
BE
Belgium
Prior art keywords
pump
water
turbine
machine
tank
Prior art date
Application number
BE9600375A
Other languages
French (fr)
Original Assignee
Flygt Ab Itt
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 Flygt Ab Itt filed Critical Flygt Ab Itt
Priority to BE9600375A priority Critical patent/BE1010221A4/en
Application granted granted Critical
Publication of BE1010221A4 publication Critical patent/BE1010221A4/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/08—Machine or engine aggregates in dams or the like; Conduits therefor, e.g. diffusors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/06—Stations or aggregates of water-storage type, e.g. comprising a turbine and a pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/10—Submerged units incorporating electric generators or motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/10—Machines or engines of reaction type; Parts or details peculiar thereto characterised by having means for functioning alternatively as pumps or turbines
    • 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
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

At least one submersible machine (1), which operates normally as a turbine, is activated at certain times so as to operate as a pump in order to transport water to a tank (6) located at an intermediate level. One submersible pump (7) at least is housed in the tank so as to pump the water and transport it to a required higher level.<IMAGE>

Description

       

   <Desc/Clms Page number 1> 
 



   INSTALLATION   POMPE/TURBINE   La présente invention se rapporte aux installations pompe/turbine. Elle concerne plus particulièrement un procédé et une installation pour une utilisation efficace des machines dans une installation pompe/turbine. 



  Dans les installations d'énergie hydraulique, l'énergie potentielle de l'eau est utilisée pour obtenir de l'énergie électrique en laissant couler l'eau d'un barrage dans une turbine qui entraîne un générateur d'énergie électrique. 



  Différents types de machines sont utilisés. Normalement, la turbine est disposée dans un puits vertical, un long arbre d'entraînement transmettant le couple à un générateur électrique installé à sec. 



  De nos jours, une machine plus compacte est très courante. Dans ce cas la turbine et le générateur électrique sont construits ensemble en une unité submersible compacte qui se trouve disposée à l'extrémité inférieure d'un puits vertical. Un exemple est illustré dans le brevet des Etats-Unis d'Amérique nO 4.437. 017. 



  Ce type de turbine convient très bien pour des volumes d'eau relativement limités et en outre il peut également fonctionner comme pompe. Lorsque cette machine est alimentée en énergie électrique, le rotor peut être forcé à tourner en sens opposé. Cette particularité est utilisée conformément à l'invention afin d'utiliser la 

 <Desc/Clms Page number 2> 

 turbine alternativement comme pompe dans une installation qui fonctionne normalement comme installation d'énergie hydroélectrique. 



  L'invention a pour objet un procédé pour transporter de l'eau à un niveau plus élevé dans une installation d'énergie hydraulique, comme défini dans la revendication 1. 



  Un autre aspect de l'invention consiste en une installation pour mettre en oeuvre le procédé selon l'invention. Une telle installation se trouve définie dans la revendication 2. 



  L'invention est décrite plus en détails dans ce qui suit à l'aide des dessins ci-annexés. 



  La figure 1 montre une vue latérale d'une installation suivant l'invention. 



  La figure 2 est une vue de dessus de l'installation de la figure 1. 



  Dans les dessins, le chiffre de référence 1 désigne une turbine/pompe, le chiffre de référence 2 désigne un puits de turbine, le chiffre de référence 3 désigne une sortie de turbine/entrée de pompe, le chiffre de référence 4 désigne une cloison de séparation, le chiffre de référence 5 désigne une plate-forme horizontale, le chiffre de référence 6 désigne un réservoir et le chiffre de référence 7 désigne une pompe. 



  Le but de l'invention est de pouvoir quelquefois pomper l'eau en aval de la turbine et de la refouler à un niveau supérieur. Ceci peut s'avérer utile ou nécessaire à une écluse ou lorsqu'un excès d'énergie électrique 

 <Desc/Clms Page number 3> 

 doit quelquefois être utilisé. 



  L'installation suivant l'invention fonctionne de la manière suivante. Lorsque la machine 1 fonctionne comme turbine, l'eau qui coule dans le puits 2 s'écoule par la sortie 3. La cloison 4 est alors fermée afin de minimiser les pertes et la pompe 7 ne prend pas part dans le fonctionnement. 



  Lorsque la machine 1 fonctionne comme pompe, la cloison 4 est ouverte et la machine 1 pompe l'eau pour la déverser dans le réservoir intermédiaire 6. La pompe 7 fonctionne également et transporte l'eau jusqu'à un niveau plus élevé voulu. La coopération entre les deux machines 1 et 7 a pour résultat que l'eau peut ainsi être transportée à un niveau supérieur à celui qu'il est possible d'atteindre dans le cas où une machine seulement est prévue.



   <Desc / Clms Page number 1>
 



   PUMP / TURBINE INSTALLATION The present invention relates to pump / turbine installations. It relates more particularly to a method and an installation for efficient use of the machines in a pump / turbine installation.



  In hydroelectric power plants, the potential energy of water is used to obtain electrical energy by letting water flow from a dam into a turbine which drives an electrical energy generator.



  Different types of machines are used. Normally, the turbine is placed in a vertical shaft, a long drive shaft transmitting the torque to a dry-installed electric generator.



  Nowadays, a more compact machine is very common. In this case the turbine and the electric generator are built together in a compact submersible unit which is located at the lower end of a vertical well. An example is illustrated in US Patent No. 4,437. 017.



  This type of turbine is very suitable for relatively limited volumes of water and in addition it can also function as a pump. When this machine is supplied with electrical energy, the rotor can be forced to turn in the opposite direction. This feature is used in accordance with the invention in order to use the

 <Desc / Clms Page number 2>

 turbine alternatively as a pump in an installation which normally functions as a hydroelectric power installation.



  The invention relates to a method for transporting water to a higher level in a hydraulic power installation, as defined in claim 1.



  Another aspect of the invention consists of an installation for implementing the method according to the invention. Such an installation is defined in claim 2.



  The invention is described in more detail in the following with the aid of the attached drawings.



  Figure 1 shows a side view of an installation according to the invention.



  Figure 2 is a top view of the installation of Figure 1.



  In the drawings, the reference numeral 1 denotes a turbine / pump, the reference numeral 2 denotes a turbine well, the reference numeral 3 denotes a turbine outlet / pump inlet, the reference numeral 4 denotes a bulkhead separation, the reference numeral 5 denotes a horizontal platform, the reference numeral 6 denotes a reservoir and the reference numeral 7 denotes a pump.



  The object of the invention is to sometimes be able to pump the water downstream of the turbine and to discharge it to a higher level. This can be useful or necessary for a lock or when an excess of electrical energy

 <Desc / Clms Page number 3>

 must sometimes be used.



  The installation according to the invention operates in the following manner. When the machine 1 operates as a turbine, the water flowing in the well 2 flows through the outlet 3. The partition 4 is then closed in order to minimize losses and the pump 7 does not take part in the operation.



  When the machine 1 operates as a pump, the partition 4 is opened and the machine 1 pumps the water to pour it into the intermediate tank 6. The pump 7 also operates and transports the water to a higher desired level. The cooperation between the two machines 1 and 7 results in that the water can thus be transported to a level higher than that which can be reached in the case where only one machine is provided.

Claims (2)

REVENDICATIONS 1. Procédé pour transporter de l'eau à un niveau plus élevé dans une installation d'énergie hydraulique, caractérisé en ce qu'au moins une machine submersible, qui fonctionne normalement comme turbine pour générer de l'énergie électrique, est alimentée à certains moments en énergie électrique afin de fonctionner comme pompe pour transporter de l'eau jusqu'à un réservoir situé à un niveau intermédiaire et en ce qu'une autre machine submersible au moins est logée dans ledit réservoir afin de pomper l'eau et la transporter jusqu'à un niveau plus élevé voulu. CLAIMS 1. Method for transporting water to a higher level in a hydraulic power installation, characterized in that at least one submersible machine, which normally functions as a turbine for generating electrical energy, is supplied to certain moments in electrical energy in order to function as a pump for transporting water to a reservoir situated at an intermediate level and in that at least one other submersible machine is housed in said reservoir in order to pump the water and the transport to a higher desired level. 2. Installation pour mettre en oeuvre le procédé suivant la revendication 1, caractérisée en ce qu'elle comprend au moins une machine submersible (1) disposée dans un barrage, l'eau coulant normalement dans ladite machine pour la faire fonctionner comme turbine, la sortie de la turbine débouchant en dessous d'une plateforme (5) qui forme le fond d'un réservoir (6), en ce que la sortie de la turbine sert d'entrée d'eau lorsque la machine (1) fonctionne comme pompe pour déverser l'eau dans ledit réservoir (6) et en ce que le réservoir (6) contient au moins une pompe submersible (7) afin de pomper l'eau dudit réservoir et la transporter à un niveau plus élevé voulu. 2. Installation for implementing the method according to claim 1, characterized in that it comprises at least one submersible machine (1) arranged in a dam, the water flowing normally in said machine to operate it as a turbine, the turbine outlet opening below a platform (5) which forms the bottom of a tank (6), in that the turbine outlet serves as a water inlet when the machine (1) operates as a pump for pouring water into said tank (6) and in that the tank (6) contains at least one submersible pump (7) in order to pump water from said tank and transport it to a desired higher level.
BE9600375A 1996-04-26 1996-04-26 Pump/Turbine installation BE1010221A4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE9600375A BE1010221A4 (en) 1996-04-26 1996-04-26 Pump/Turbine installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9600375A BE1010221A4 (en) 1996-04-26 1996-04-26 Pump/Turbine installation

Publications (1)

Publication Number Publication Date
BE1010221A4 true BE1010221A4 (en) 1998-04-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
BE9600375A BE1010221A4 (en) 1996-04-26 1996-04-26 Pump/Turbine installation

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB271946A (en) * 1926-03-03 1927-06-07 Bauer Gustav Improvements in or relating to hydro-electric power stations
CH130234A (en) * 1927-11-24 1928-11-30 Escher Wyss Maschf Ag Process for the operation of hydraulic storage power plants.
US2246472A (en) * 1939-01-28 1941-06-17 Baldwin Locomotive Works Hydraulic power-accumulation system
US3214915A (en) * 1963-01-29 1965-11-02 English Electric Co Ltd Reverse flow hydraulic pump-turbine systems
US4408452A (en) * 1979-12-28 1983-10-11 Tokyo Shibaura Denki Kabushiki Kaisha Pumping-up hydroelectric power plants
US4437017A (en) * 1981-02-11 1984-03-13 A-Betong Ab Arrangement for hydroelectric power plants
GB2137284A (en) * 1983-03-30 1984-10-03 Hitoshi Kinno Pumped hydro system with three reservoirs

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB271946A (en) * 1926-03-03 1927-06-07 Bauer Gustav Improvements in or relating to hydro-electric power stations
CH130234A (en) * 1927-11-24 1928-11-30 Escher Wyss Maschf Ag Process for the operation of hydraulic storage power plants.
US2246472A (en) * 1939-01-28 1941-06-17 Baldwin Locomotive Works Hydraulic power-accumulation system
US3214915A (en) * 1963-01-29 1965-11-02 English Electric Co Ltd Reverse flow hydraulic pump-turbine systems
US4408452A (en) * 1979-12-28 1983-10-11 Tokyo Shibaura Denki Kabushiki Kaisha Pumping-up hydroelectric power plants
US4437017A (en) * 1981-02-11 1984-03-13 A-Betong Ab Arrangement for hydroelectric power plants
GB2137284A (en) * 1983-03-30 1984-10-03 Hitoshi Kinno Pumped hydro system with three reservoirs

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ITT FLYGT AB

Effective date: 19990430