EP0233592B1 - Pressurized extinguishing gas high-tension circuit breaker - Google Patents

Pressurized extinguishing gas high-tension circuit breaker Download PDF

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Publication number
EP0233592B1
EP0233592B1 EP87101947A EP87101947A EP0233592B1 EP 0233592 B1 EP0233592 B1 EP 0233592B1 EP 87101947 A EP87101947 A EP 87101947A EP 87101947 A EP87101947 A EP 87101947A EP 0233592 B1 EP0233592 B1 EP 0233592B1
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EP
European Patent Office
Prior art keywords
columns
circuit
plates
column
breaker
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 - Lifetime
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EP87101947A
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German (de)
French (fr)
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EP0233592A1 (en
Inventor
Dante Nicoloso
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Alstom Holdings SA
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GEC Alsthom SA
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Priority to AT87101947T priority Critical patent/ATE69666T1/en
Publication of EP0233592A1 publication Critical patent/EP0233592A1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/56—Gas reservoirs
    • H01H33/561—Gas reservoirs composed of different independent pressurised compartments put in communication only after their assemblage

Definitions

  • the invention relates to a high voltage circuit breaker with extinguishing gas under pressure, the elements filled with gas can be assembled and disassembled without loss of gas, the circuit breaker comprising a gas regenerating element the replacement of which can also be carried out without loss. gas.
  • High-voltage circuit breakers generally include at least two superimposed insulating columns assembled by bolting, one delimiting a breaking chamber, the other containing an operating rod. These columns are filled with a pressurized dielectric gas such as sulfur hexafluoride (SF6).
  • SF6 sulfur hexafluoride
  • Circuit breakers of the aforementioned type require the presence of a gas regenerating element, since the latter undergoes, at each power outage, a deterioration in its dielectric qualities which can lead to dangerous degradation for the performance of the circuit breaker.
  • FIG. 1 schematically and partially in axial section, a pole of circuit breaker with self-blowing SF6 gas according to a known technique.
  • the pole includes a breaking chamber 2 closed at the ends by a plate 2A and a casing 5, and an insulating support 3 closed at the ends by bottom plates 3A and 6.
  • a molecular sieve 4 is placed between the casing 5 of the chamber 2 and the bottom plate 6 of the support 3.
  • the gas exchange SF6 between the chamber 2 and the support 3 is done through the molecular sieve 4 by the passages 7 of the casing 5 of the chamber 2, and 8 of the base plate 6 of the support 3.
  • the operation of the circuit breaker is obtained from a jack 9 supplied by an energy source allowing the alternating movement up and down of a piston 10 connected to a blowing device 11 of the chamber 2 by an insulating rod 12 and a rod 13 of the movable contact 21 coupled together by a device 14.
  • the fixed contact is referenced 22.
  • the two chambers of the chamber 2 and of the support 3 are sealed by the seals 15, 16, 17, 18, 19 and 20 In this type of circuit breaker, the assembly and disassembly as well as the replacement of the molecular sieve 4 cannot be done without the loss of SF6 gas and without air intake.
  • circuit breaker as defined in claim 1 appended hereto meets these objectives.
  • FIG. 2 represents a partial axial section of a circuit breaker according to the invention
  • column 2 breaking chamber
  • column 3 support
  • the molecular sieve 4 is placed in a cylindrical container 40, the end faces of which are provided with openings such as 41, 42, 43 and 44.
  • the container is placed in a housing 45 of the plate. end 6 which closes the support column 3.
  • the housing 45 communicates, through an opening 46 in the bottom 6, with the interior of the column 3.
  • the opening 46 is made in line with the openings 41 and 42 to allow, when the circuit breaker is assembled, a circulation of the gas through , the molecular sieve.
  • valve is pushed by a spring 53 resting on a fixed stop 54 secured to the plate 6.
  • the container 40 is in contact with the valve by a rod 50A forming an integral part of the valve.
  • the housing 45 is provided with a seal 56 cooperating with the container.
  • This valve cooperates with the casing 5.
  • the latter is a complex part comprising an end 5A in the form of a crown intended to bear in leaktight manner on the plate 6, a cylindrical part 5B serving in particular for housing the molecular sieve, one end 5C constituting a blowing piston and a cavity 5D serving as a housing for a spring 61 for actuating the valve.
  • the cavity 5D communicates with the outside through an opening 64 whose role will be explained later.
  • the valve 60 has a rod 60A intended to come into contact with the container during the assembly of the circuit breaker.
  • the casing 5 has a cavity 5E intended to serve as a housing for the upper part of the container. This cavity 5E is provided with a seal 65.
  • the casing 5 has an end ring 5F provided with a seal 66 intended to cooperate with a bearing surface 57 of a circular groove 58 formed in the end plate 6.
  • the seal at the passage of the rod 13 is ensured by the seal 63; the latter, sandwiched between a portion 60A in the form of a ring of the valve 60 and a step 5G of the casing 5, is elastically deformed and comes to bear against the rod 13 (FIG. 3).
  • the chamber 3 is closed in leaktight manner by the valve 50 pushed by the spring 53 against the seal 52 and by the seal 51 pressed against the rod 12.
  • the columns are brought vertically to one another, as shown in FIG. 2 and the rods 12 and 13 are secured by bolts 67.
  • the container 40 of the molecular sieve is placed in its housing 45.
  • Figure 4 shows the final phase of the operation.
  • the O-ring 66 is placed on the bearing surface 57 of the bottom plate 6 thus ensuring the complete sealing of the two assembled columns.
  • the seals 55 and 65 provide a seal around the container promoting the circulation of gas through the screen.
  • the assembly operation is completed by tightening the bolts 59 and 69.
  • each valve 2 to 6 equidistant rods (such as 60A, 60B, 50A, 50B) on valves 60 and 50 and passages (such as 64, 64A, 46, 46A) around the rods respectively in the casing 5 of the chamber 2 and in the bottom plate 6 of the support 3.
  • equidistant rods such as 60A, 60B, 50A, 50B
  • passages such as 64, 64A, 46, 46A

Landscapes

  • Gas-Insulated Switchgears (AREA)
  • Circuit Breakers (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

A high-tension circuit-breaker having dielectric gas under pressure, the circuit-breaker comprising at least one assembled pair of first and second superposed insulating columns, the first column (3) acting as a support and the second column enclosing a circuit-breaking chamber, each of said columns being provided at its end facing the other column of the pair with a closure plate (5,6) enabling the columns to be disassembled without losing the gas contained in either of them, said plates being provided with respective central holes for passing a rod (12, 13) for operating the circuit-breaker contacts, the circuit-breaker being characterized in that each of said plates (5, 6) includes at least one hollow portion with said hollow portions facing each other in pairs, each of which defines a housing for receiving a container (4) of regenerator material, the end of each hollow portion and the two ends of each container being provided with holes to enable gas to flow from one column to the other through said regenerator material, with the holes through said hollow portions being closed by valve plates (50, 60) located inside the columns and urged by springs towards a closure position when the columns are disassembled, with each of the valve plates including a part (50A, 60A) which, when the columns are assembled and a container is in place, bear against the container in order to hold the valve plate in its open position against the resilient urging of the spring.

Description

L'invention concerne un disjoncteur à haute tension à gaz d'extinction sous pression, dont les éléments remplis de gaz peuvent être assemblés et désassemblés sans perte de gaz, le disjoncteur comprenant un élément régénérateur de gaz dont le remplacement peut également être effectué sans perte de gaz.The invention relates to a high voltage circuit breaker with extinguishing gas under pressure, the elements filled with gas can be assembled and disassembled without loss of gas, the circuit breaker comprising a gas regenerating element the replacement of which can also be carried out without loss. gas.

Les disjoncteurs à haute tension comprennent généralement au moins deux colonnes isolantes superposées et assemblées par boulonnage, l'une délimitant une chambre de coupure, l'autre contenant une tige de manoeuvre. Ces colonnes sont remplies d'un gaz diélectrique sous pression tel que l'hexafluorure de soufre (SF6).High-voltage circuit breakers generally include at least two superimposed insulating columns assembled by bolting, one delimiting a breaking chamber, the other containing an operating rod. These columns are filled with a pressurized dielectric gas such as sulfur hexafluoride (SF6).

Les disjoncteurs du type précité nécessitent la présence d'un élément régénérateur de gaz, car ce dernier subit, à chaque coupure de courant, une détérioration de ses qualités diélectriques pouvant conduire à une dégradation dangereuse pour la tenue du disjoncteur.Circuit breakers of the aforementioned type require the presence of a gas regenerating element, since the latter undergoes, at each power outage, a deterioration in its dielectric qualities which can lead to dangerous degradation for the performance of the circuit breaker.

On connaît, en particulier par le document FR-A-24 71 038, un disjoncteur dont les éléments peuvent être assemblés et désassemblés sans perte notable de gaz diélectrique. Mais ce type de disjoncteur ne permet pas d'inclure un élément régénérateur.We know, in particular from document FR-A-24 71 038, a circuit breaker whose elements can be assembled and disassembled without significant loss of dielectric gas. But this type of circuit breaker does not allow the inclusion of a regenerative element.

Par le document FR-A-20 87 459, on connaît un disjoncteur comportant un élément régénérateur (tamis moléculaire). Un disjoncteur similaire selon une technique connue est illustré par la figure 1 qui représente schématiquement et partiellement en coupe axiale, un pôle de disjoncteur à autosoufflage de gaz SF6 selon une technique connue. Le pôle comprend une chambre de coupure 2 fermée aux extrémités par une plaque 2A et un carter 5, et un support isolant 3 fermé aux extrémités par des plaques de fond 3A et 6. Un tamis moléculaire 4 est disposé entre le carter 5 de la chambre de coupure 2 et la plaque de fond 6 du support 3. L'échange de gaz SF6 entre la chambre 2 et le support 3 se fait à travers le tamis moléculaire 4 par les passages 7 du carter 5 de la chambre 2, et 8 de la plaque de fond 6 du support 3.Document FR-A-20 87 459 discloses a circuit breaker comprising a regenerative element (molecular sieve). A similar circuit breaker according to a known technique is illustrated by FIG. 1 which schematically and partially in axial section, a pole of circuit breaker with self-blowing SF6 gas according to a known technique. The pole includes a breaking chamber 2 closed at the ends by a plate 2A and a casing 5, and an insulating support 3 closed at the ends by bottom plates 3A and 6. A molecular sieve 4 is placed between the casing 5 of the chamber 2 and the bottom plate 6 of the support 3. The gas exchange SF6 between the chamber 2 and the support 3 is done through the molecular sieve 4 by the passages 7 of the casing 5 of the chamber 2, and 8 of the base plate 6 of the support 3.

La manoeuvre du disjoncteur est obtenue à partir d'un vérin 9 alimenté par une source d'énergie permettant le déplacement alterné vers le haut et le bas d'un piston 10 relié à un dispositif de soufflage 11 de la chambre 2 par une tige isolante 12 et une tige 13 du contact mobile 21 accouplées ensemble par un dispositif 14. Le contact fixe est reférencé 22. Les deux enceintes de la chambre 2 et du support 3 sont étanches par les joints 15, 16, 17, 18, 19 et 20. Dans ce type de disjoncteur, l'assemblage et le désassemblage ainsi que le remplacement du tamis moléculaire 4 ne peuvent se faire sans la perte du gaz SF6 et sans entrée d'air.The operation of the circuit breaker is obtained from a jack 9 supplied by an energy source allowing the alternating movement up and down of a piston 10 connected to a blowing device 11 of the chamber 2 by an insulating rod 12 and a rod 13 of the movable contact 21 coupled together by a device 14. The fixed contact is referenced 22. The two chambers of the chamber 2 and of the support 3 are sealed by the seals 15, 16, 17, 18, 19 and 20 In this type of circuit breaker, the assembly and disassembly as well as the replacement of the molecular sieve 4 cannot be done without the loss of SF6 gas and without air intake.

Dans la plupart des cas, il s'agit de disjoncteurs de tension peu élevée à encombrement réduit et permettant un colisage peu onéreux pour le transport du disjoncteur.In most cases, these are low voltage circuit breakers with a small footprint and allowing inexpensive packaging for transporting the circuit breaker.

Lorsqu'il s'agit de disjoncteurs à très haute tension et dont l'encombrement est très important, comportant des colis grands et onéreux il est intéressant de pouvoir livrer les appareils en éléments séparés, traités et gonflés à basse pression en usine, puis assemblés sur le chantier sans entrée d'air dans les enceintes, et enfin gonflés à la pression de service sans autre opération. Il est également intéressant de pouvoir mettre en place le tamis moléculaire au dernier moment sur le chantier c'est-à-dire avant l'assemblage de la chambre et du support isolant.When it comes to very high voltage circuit breakers and whose bulk is very large, comprising large and expensive packages it is interesting to be able to deliver the devices in separate elements, treated and inflated at low pressure in the factory, then assembled on site without air entering the enclosures, and finally inflated to operating pressure without any other operation. It is also advantageous to be able to set up the molecular sieve at the last moment on the site, that is to say before the assembly of the chamber and the insulating support.

Il est encore plus intéressant de pouvoir désassembler la chambre de son support sans entamer l'étanchéité des deux enceintes, et surtout, de pouvoir remplacer s'il y a lieu le tamis moléculaire tout en maintenant intact l'étanchéité des deux enceintes.It is even more advantageous to be able to disassemble the chamber from its support without starting the sealing of the two enclosures, and above all, to be able to replace the molecular sieve if necessary while maintaining the sealing of the two enclosures intact.

Le disjoncteur tel que défini dans la revendication 1 ci-annexée répond à ces objectifs.The circuit breaker as defined in claim 1 appended hereto meets these objectives.

L'invention est expliquée en détail par la description ci-après d'un mode préféré de réalisation, en référence au dessin annexé dans lequel :

  • la figure 1 est une vue partielle en coupe axiale d'un pôle de disjoncteur avec élément de régénération selon l'art antérieur,
  • la figure 2 est une vue partielle en coupe axiale d'un pôle de disjoncteur selon l'invention, représenté en position désassemblée,
  • la figure 3 représente, agrandi, un détail de la figure 2, lorsque le pôle est en position désassemblée,
  • la figure 4 représente le pôle de la figure 2 en position assemblée,
  • la figure 5 représente le détail de la figure 3 lorsque le pôle est en position assemblée.
  • la figure 6 est une vue partielle en coupe axiale d'un disjoncteur selon une variante de réalisation.
The invention is explained in detail by the following description of a preferred embodiment, with reference to the appended drawing in which:
  • FIG. 1 is a partial view in axial section of a circuit breaker pole with regeneration element according to the prior art,
  • FIG. 2 is a partial view in axial section of a circuit breaker pole according to the invention, shown in the disassembled position,
  • FIG. 3 represents, enlarged, a detail of FIG. 2, when the pole is in the disassembled position,
  • FIG. 4 represents the pole of FIG. 2 in the assembled position,
  • Figure 5 shows the detail of Figure 3 when the pole is in the assembled position.
  • Figure 6 is a partial view in axial section of a circuit breaker according to an alternative embodiment.

La figure 1 a déjà été décrite. Les éléments communs aux figures 1 et 2 ont reçu les mêmes numéros de référence.Figure 1 has already been described. The elements common to Figures 1 and 2 have been given the same reference numbers.

La figure 2 représente une coupe axiale partielle d'un disjoncteur selon l'invention ; la colonne 2 (chambre de coupure) et la colonne 3 (support) sont représentées désassemblées.FIG. 2 represents a partial axial section of a circuit breaker according to the invention; column 2 (breaking chamber) and column 3 (support) are shown disassembled.

Selon l'invention, le tamis moléculaire 4 est disposé dans un conteneur cylindrique 40 dont les faces d'extrémités sont munies d'ouvertures telles que 41, 42, 43 et 44. Le conteneur est placé dans un logement 45 de la plaque d'extrémité 6 qui ferme la colonne support 3.According to the invention, the molecular sieve 4 is placed in a cylindrical container 40, the end faces of which are provided with openings such as 41, 42, 43 and 44. The container is placed in a housing 45 of the plate. end 6 which closes the support column 3.

Le logement 45 communique, par une ouverture 46 du fond 6, avec l'intérieur de la colonne 3. L'ouverture 46 est pratiquée au droit des ouvertures 41 et 42 pour permettre, lorsque le disjoncteur est assemblé, une circulation du gaz à travers, le tamis moléculaire.The housing 45 communicates, through an opening 46 in the bottom 6, with the interior of the column 3. The opening 46 is made in line with the openings 41 and 42 to allow, when the circuit breaker is assembled, a circulation of the gas through , the molecular sieve.

L'étanchéité de la colonne 3, lorsque le disjoncteur est désassemblé, est assurée par un clapet 50, coulissant le long de la tige 12. Un joint annulaire 51 assure l'étanchéité entre la tige 12 et le clapet 50. Un joint 52, porté par la plaque 8, coopère avec le clapet pour assurer l'étanchéité entre l'intérieur et l'extérieur de la colonne 3.The tightness of column 3, when the circuit breaker is disassembled, is provided by a valve 50, sliding along the rod 12. An annular seal 51 provides sealing between the rod 12 and the valve 50. A seal 52, carried by the plate 8, cooperates with the valve to ensure the sealing between the inside and outside of the column 3.

A cet effet, le clapet est poussé par un ressort 53 s'appuyant sur une butée fixe 54 solidaire de la plaque 6. Le conteneur 40 est en contact avec le clapet par une tige 50A formant partie intégrante du clapet.To this end, the valve is pushed by a spring 53 resting on a fixed stop 54 secured to the plate 6. The container 40 is in contact with the valve by a rod 50A forming an integral part of the valve.

Le rôle de cette tige sera expliqué plus loin.The role of this rod will be explained later.

Le logement 45 est muni d'un joint 56 coopérant avec le conteneur.The housing 45 is provided with a seal 56 cooperating with the container.

L'étanchéité de la colonne 2, lorsque le disjoncteur est désassemblé, est assuré également par un clapet 60.The tightness of column 2, when the circuit breaker is disassembled, is also ensured by a valve 60.

Ce clapet coopère avec le carter 5. Cet dernier est une pièce complexe comportant une extrémité 5A en forme de couronne destinée à s'appuyer de manière étanche sur la plaque 6, une partie cylindrique 5B servant notamment de logement au tamis moléculaire, une extrémité 5C constituant un piston de soufflage et une cavité 5D servant de logement à un ressort 61 d'actionnement du clapet.This valve cooperates with the casing 5. The latter is a complex part comprising an end 5A in the form of a crown intended to bear in leaktight manner on the plate 6, a cylindrical part 5B serving in particular for housing the molecular sieve, one end 5C constituting a blowing piston and a cavity 5D serving as a housing for a spring 61 for actuating the valve.

Ce dernier s'appuie sur un joint 62 disposé sur une portée de la cavité. L'étanchéité entre la tige 13 et le clapet est assurée par un joint 63.The latter rests on a seal 62 disposed on a bearing surface of the cavity. The seal between the rod 13 and the valve is ensured by a seal 63.

La cavité 5D communique avec l'extérieur par une ouverture 64 dont le rôle sera expliqué plus loin.The cavity 5D communicates with the outside through an opening 64 whose role will be explained later.

Le clapet 60 possède une tige 60A destinée à venir en contact avec le conteneur au cours de l'assemblage du disjoncteur.The valve 60 has a rod 60A intended to come into contact with the container during the assembly of the circuit breaker.

Le carter 5 présente une cavité 5E destinée à servir de logement à la partie supérieure du conteneur. Cette cavité 5E est munie d'un joint 65.The casing 5 has a cavity 5E intended to serve as a housing for the upper part of the container. This cavity 5E is provided with a seal 65.

Enfin le carter 5 possède une couronne d'extrémité 5F munie d'un joint 66 destiné à coopérer avec un portée 57 d'une rainure circulaire 58 pratiquée dans la plaque d'extrémité 6.Finally, the casing 5 has an end ring 5F provided with a seal 66 intended to cooperate with a bearing surface 57 of a circular groove 58 formed in the end plate 6.

L'assemblage et le désassemblage du disjoncteur est maintenant décrit en référence aux figures 2 à 5.The assembly and disassembly of the circuit breaker is now described with reference to Figures 2 to 5.

Dans la figure 2, le disjoncteur est représenté désassemblé et en cours d'assemblage. La colonne 2 remplie de gaz diélectique sous pression est fermée de manière étanche, le clapet 60 étant appuyé sur le joint 62 par le ressort 61.In Figure 2, the circuit breaker is shown disassembled and being assembled. Column 2 filled with dielectric gas under pressure is sealed, the valve 60 being supported on the seal 62 by the spring 61.

Par ailleurs, l'étanchéité au passage de la tige 13 est assuré par le joint 63 ; ce dernier, enserré entre une portion 60A en forme de bague du clapet 60 et un redan 5G du carter 5, est déformé élastiquement et vient s'appuyer contre la tige 13 (figure 3).Furthermore, the seal at the passage of the rod 13 is ensured by the seal 63; the latter, sandwiched between a portion 60A in the form of a ring of the valve 60 and a step 5G of the casing 5, is elastically deformed and comes to bear against the rod 13 (FIG. 3).

De même la chambre 3 est fermée de manière étanche par le clapet 50 poussé par le ressort 53 contre le joint 52 et par le joint 51 appuyé contre la tige 12.Likewise, the chamber 3 is closed in leaktight manner by the valve 50 pushed by the spring 53 against the seal 52 and by the seal 51 pressed against the rod 12.

Pour effectuer l'assemblage, on amène les colonnes à la verticale l'une de l'autre, comme représenté dans la figure 2 et on solidarise les tiges 12 et 13 par des boulons 67.To carry out the assembly, the columns are brought vertically to one another, as shown in FIG. 2 and the rods 12 and 13 are secured by bolts 67.

On place le conteneur 40 du tamis moléculaire dans son logement 45.The container 40 of the molecular sieve is placed in its housing 45.

On rapproche alors les colonnes 2 et 3 l'une de l'autre.We then bring columns 2 and 3 together.

La figure 4 représente la phase finale de l'opération.Figure 4 shows the final phase of the operation.

Avant que le carter 5 de la chambre 2 soit venu en contact avec la plaque 6, le joint torique 66 vient se placer sur la portée 57 de la plaque de fond 6 assurant ainsi l'étanchéité complète des deux colonnes assemblées.Before the casing 5 of the chamber 2 has come into contact with the plate 6, the O-ring 66 is placed on the bearing surface 57 of the bottom plate 6 thus ensuring the complete sealing of the two assembled columns.

Puis la tige 60A du clapet 60 s'appuyant sur la portée supérieure 40A du conteneur 40 et la tige 50A du clapet 50 s'appuyant sur la partie inférieure 40B du conteneur 40, vont, pendant les derniers millimètres du parcours de descente de la chambre 2, ouvrir les clapets 60 et 50 en dégageant les joints 62 et 52.Then the rod 60A of the valve 60 resting on the upper surface 40A of the container 40 and the rod 50A of the valve 50 resting on the lower part 40B of the container 40, go, during the last millimeters of the path of descent of the chamber 2, open the valves 60 and 50, releasing the seals 62 and 52.

Les joints 51 et 63 sont décomprimés, libérant les tiges 12 et 13 respectivement (voir figure 5).The seals 51 and 63 are decompressed, freeing the rods 12 and 13 respectively (see Figure 5).

Le passage du gaz comprimé SF6 entre les colonnes 2 et 3 est alors assuré à travers le tamis moléculaire 4 par les passages 41 à 44.The passage of the compressed gas SF6 between columns 2 and 3 is then ensured through the molecular sieve 4 by the passages 41 to 44.

Les joints 55 et 65 assurent une étanchéité autour du conteneur favorisant la circulation du gaz à travers le tamis.The seals 55 and 65 provide a seal around the container promoting the circulation of gas through the screen.

L'opération d'assemblage est terminé par serrage des boulons 59 et 69.The assembly operation is completed by tightening the bolts 59 and 69.

La description qui a été faite concerne le cas qui utiliserait un seul élément régénérateur.The description which has been given relates to the case which would use a single regenerative element.

Lorsque le volume des enceintes est très grand (cas de disjoncteurs mono-coupure à tension très élevée) un seul élément régénérateur n'est pas suffisant, on peut comme le montre la figure prévoir 2 à 6 conteneurs tel que 70, placés à l'intérieur du carter 5 de la chambre 2.When the volume of the speakers is very large (in the case of single-circuit breakers with very high voltage) a single regenerative element is not sufficient, we can as shown in the figure provide 2 to 6 containers such as 70, placed at the inside of housing 5 of chamber 2.

Pour cela, on peut prévoir pour chaque clapet, 2 à 6 tiges équidistantes (telles que 60A, 60B, 50A, 50B) sur les clapets 60 et 50 et des passages (tels que 64, 64A, 46, 46A) autour des tiges respectivement dans le carter 5 de la chambre 2 et dans la plaque de fond 6 du support 3.For this, one can provide for each valve, 2 to 6 equidistant rods (such as 60A, 60B, 50A, 50B) on valves 60 and 50 and passages (such as 64, 64A, 46, 46A) around the rods respectively in the casing 5 of the chamber 2 and in the bottom plate 6 of the support 3.

Claims (4)

  1. A high-voltage circuit-breaker using dielectric gas under pressure and comprising an assembly of at least a first and a second superposed insulating column, the first column (3) acting as a support and the second column (2) enclosing a circuit-breaker chamber, each of said columns being provided at its end facing the other column with a closure plate (5, 6) which enables the columns to be disassembled without losing the gas contained therein, said plates defining between them a housing for receiving a regenerator material, and being provided with a central hole allowing a rod (12, 13) for operating the contacts of the circuit-breaker to pass therethrough, and also being provided with holes to enable the gas to flow from one column to the other through said regenerator material, characterized in that each one of said plates (5, 6) includes at least one deepened portion with the deepened portions (5E, 45) facing each other in pairs and defining said housing, that the regenerator material (4) is enclosed in a container (40) having holes (41, 42, 43, 44) facing the gas flow holes in the plates, that the holes (46, 64) of the plates are closed by valve plates (50, 60) located inside the columns and urged by springs (53, 61) when the columns are disassembled, each of the valve plates including a piece (50A, 60A) which, when the columns are assembled and a container is in place, bear against the container in order to hold the valve plates against the spring action in their open positions.
  2. A circuit-breaker according to claim 1, characterized in that the deepened portions of the plates include seals (56, 65) which co-operate with the container in order to ensure the tightness of the circuit-breaker while the columns are being disassembled.
  3. A circuit-breaker according to any one of claims 1 and 2, characterized in that one of the closure plates (5) includes an end skirt (5F) fitted with a seal adapted to engage in a circular groove provided in the other plate, thereby ensuring the tightness of the two columns relative to the outside environment.
  4. A circuit-breaker according to any one of claims 1 to 3, characterized in that each valve plate co-operates with a flat gasket (52, 62) supported by the plate, and also with a sealing ring (51, 63) surrounding the operating rod.
EP87101947A 1986-02-17 1987-02-12 Pressurized extinguishing gas high-tension circuit breaker Expired - Lifetime EP0233592B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87101947T ATE69666T1 (en) 1986-02-17 1987-02-12 HIGH VOLTAGE BREAKER WITH EXTINGUISHING GAS PRESSURE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8602100A FR2594591B1 (en) 1986-02-17 1986-02-17 HIGH VOLTAGE CIRCUIT BREAKER WITH PRESSURE EXTINGUISHING GAS
FR8602100 1986-02-17

Publications (2)

Publication Number Publication Date
EP0233592A1 EP0233592A1 (en) 1987-08-26
EP0233592B1 true EP0233592B1 (en) 1991-11-21

Family

ID=9332181

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87101947A Expired - Lifetime EP0233592B1 (en) 1986-02-17 1987-02-12 Pressurized extinguishing gas high-tension circuit breaker

Country Status (11)

Country Link
US (1) US4700029A (en)
EP (1) EP0233592B1 (en)
CN (1) CN1009876B (en)
AT (1) ATE69666T1 (en)
BR (1) BR8700697A (en)
CA (1) CA1256921A (en)
DE (1) DE3774586D1 (en)
ES (1) ES2027973T3 (en)
FR (1) FR2594591B1 (en)
GR (1) GR3003654T3 (en)
PT (1) PT84298B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8704775U1 (en) * 1987-03-31 1988-07-28 Siemens AG, 1000 Berlin und 8000 München Electrical pressure gas high-voltage circuit breaker
DE4129233C1 (en) * 1991-09-03 1993-01-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De
CN100462288C (en) * 2006-09-28 2009-02-18 蔡旭光 Mouth opening mechanism for slide fastener bag of bag-feeding full automatic packaging machine
CN114420517B (en) * 2022-03-31 2022-06-24 晟望电气有限公司 Sulfur hexafluoride gas insulation switch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2087459A5 (en) * 1970-05-20 1971-12-31 Alsthom Cgee
FR2471038A1 (en) * 1979-11-30 1981-06-12 Alsthom Cgee ASSEMBLY DEVICE BETWEEN TWO ENCLOSURES OF AN ELECTRICAL CUTTING APPARATUS
CH659914A5 (en) * 1983-02-24 1987-02-27 Sprecher & Schuh Ag HIGH VOLTAGE SWITCH WITH SWITCH-ON RESISTANCE.
FR2568405B1 (en) * 1984-07-25 1986-11-07 Alsthom Atlantique GAS BREAKER UNDER PRESSURE THAT CAN BE ASSEMBLED AND DISASSEMBLED WITHOUT LOSS OF GAS
IN165721B (en) * 1984-07-27 1989-12-30 Alsthom

Also Published As

Publication number Publication date
CA1256921A (en) 1989-07-04
GR3003654T3 (en) 1993-03-16
ATE69666T1 (en) 1991-12-15
DE3774586D1 (en) 1992-01-02
CN87100692A (en) 1987-09-16
PT84298B (en) 1989-09-14
ES2027973T3 (en) 1992-07-01
PT84298A (en) 1987-03-01
FR2594591B1 (en) 1988-04-15
CN1009876B (en) 1990-10-03
BR8700697A (en) 1987-12-15
FR2594591A1 (en) 1987-08-21
US4700029A (en) 1987-10-13
EP0233592A1 (en) 1987-08-26

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