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EP2278604B1 - Commutateur haute tension - Google Patents

Commutateur haute tension Download PDF

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Publication number
EP2278604B1
EP2278604B1 EP09165985A EP09165985A EP2278604B1 EP 2278604 B1 EP2278604 B1 EP 2278604B1 EP 09165985 A EP09165985 A EP 09165985A EP 09165985 A EP09165985 A EP 09165985A EP 2278604 B1 EP2278604 B1 EP 2278604B1
Authority
EP
European Patent Office
Prior art keywords
contact
switch
volume
hollow
gas
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.)
Active
Application number
EP09165985A
Other languages
German (de)
English (en)
Other versions
EP2278604A1 (fr
Inventor
Fredrik Lundqvist
Henrik Dahlgren
Helmut Heiermeier
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.)
ABB Technology AG
Original Assignee
ABB Technology 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 ABB Technology AG filed Critical ABB Technology AG
Priority to EP09165985A priority Critical patent/EP2278604B1/fr
Priority to AT09165985T priority patent/ATE549731T1/de
Priority to ES09165985T priority patent/ES2384425T3/es
Publication of EP2278604A1 publication Critical patent/EP2278604A1/fr
Application granted granted Critical
Publication of EP2278604B1 publication Critical patent/EP2278604B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
    • 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
    • H01H2033/028—Details the cooperating contacts being both actuated simultaneously in opposite directions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/901—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism making use of the energy of the arc or an auxiliary arc
    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/904—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism characterised by the transmission between operating mechanism and piston or movable contact
    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/905—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the compression volume being formed by a movable cylinder and a semi-mobile piston

Definitions

  • the present invention relates to high voltage switches according to the preamble of claim 1.
  • Switches of the aforementioned type are generally circuit breakers, which control overcurrents of more than 10 kA in the voltage range of more than 70 kV.
  • Such switches have a switch housing which is filled with an arc-containing insulating gas, such as based on sulfur hexafluoride and / or nitrogen and / or carbon dioxide, of generally up to a few bar pressure.
  • an arc-containing insulating gas such as based on sulfur hexafluoride and / or nitrogen and / or carbon dioxide
  • the compression chamber of this blower aid is filled with rapid reconnection with gas from the switch housing, which is compressed in the subsequent shutdown by compression to extinguishing gas.
  • dielectrically problematic exhaust gases from an extinguishing chamber of the switches enter a storage space bounded by the switch housing, from which insulating gas is sucked into the compression space during rapid reclosing.
  • Switches according to the preamble of claim 1 are described in US 5,478,980 A and EPO 970 498 B1 , These switches each have an insulating gas-filled housing, which limits radially outward a storage space for the insulating gas.
  • a contact arrangement with two along an axis relative to each other displaceable switching pieces is held.
  • a first of the two shaft pieces, which is movable by a drive of the switches, has a hollow arc contact in coaxial arrangement and a hollow rated current contact surrounding the hollow arc contact.
  • a gas outlet is formed in the wall of a tubular contact carrier of the hollow arcing contact.
  • the switches further each include a drive operable piston-cylinder compression device having an annular compression space for receiving quenching gas, and arranged between the compression space and the exhaust space intermediate volume. This intermediate volume is separated from the exhaust space by an intermediate wall and communicates radially outward with the storage space. When switched on, it is connected via a check valve to the compression chamber.
  • FR 2 694 987 A1 shows a blow piston switch, wherein the blow piston two volumes VC and V2 separated from each other.
  • the pressure increase in the volume VC is sufficient to successfully interrupt a current in which a switching arc is formed shortly before the zero crossing.
  • the second volume V2 increases the volume VC and then ensures that the current can be successfully interrupted even then.
  • the object is to provide a switch of the type mentioned, which can be made easily and inexpensively, is characterized by a good switching capacity and only needs a weakly dimensioned drive.
  • the intermediate wall is part of the exhaust space and the intermediate volume radially outwardly delimiting, the exhaust and the suction containing hollow metal casting body, the piston is fixed to an end face of the metal casting and limits the intermediate volume axially , And is in the switch-on position of the switch of the space defined by the axial distance of the intermediate wall from the piston volume of the intermediate volume greater than the volume of the compression space.
  • the construction and production of the switch are simplified.
  • the mechanical guiding of the moving member from the drive piece, carrying the switch housing, guiding the switch current, transferring the switch current to the driven contact piece and the gas-tight separation of the exhaust space and intermediate volume can be achieved.
  • the piston is attached to an end face of the metal casting, additional functions, such as the axial limitation and the suitable dimensioning of the intermediate volume, result in components which are required in a production-technically simple manner.
  • the volume content of the intermediate volume is now such that at a Schnellwiedereinscaria the compression chamber is supplied regardless of the quality of existing in the storage volume insulating gas with fresh insulating, so that for the Schnellwiedereinscnies following output switching as high quality extinguishing gas available as for the before the Schnellwiedereinscnies executed shutdown.
  • the volume of the compression chamber can therefore be kept small because of the good quality of the extinguishing gas, so that drive energy is saved in a corresponding manner.
  • a sufficient amount of high-quality extinguishing gas is certainly available if the volume of the intermediate volume is at least 1.2 times the volume of the compression space.
  • a good distribution of the managers and at the same time a good transfer of the switch current from the metal body to the rated current contact is achieved when in the intermediate wall, a first portion of a guide rail of a sliding guide of the hollow arcing contact and in the outer surface of the metal casting a first portion of a guide rail of a sliding guide of the hollow rated current contact is formed.
  • a first section of the metal casting containing the first guide track section of the sliding guide of the hollow rated current contact advantageously has a greater wall thickness than an adjoining thereto; in a front side of the metal casting expiring second section. Since the cast metal body carries the switch current only in its thick-walled section, the current losses in the cast metal body are comparable to the current losses in the hollow contact current contact, which is made of copper or a copper alloy and contacts the first section of the cast metal body. up to 3 times smaller wall thickness.
  • the cast metal body and the piston each carry one of two sections of the guideway of a sliding guide of the hollow arcing contact and the guideway of a sliding guide of the hollow rated current contact. Since the piston and thus also a pressure relief valve and acting as a refill valve check valve can be easily attached to the front side of the metal body and the individual sections are joined together to form the guideways of the two aforementioned sliding guides, simplifies the manufacture of the switch considerably.
  • the high voltage switch shown in the two figures is designed as a circuit breaker and contains a filled with a compressed insulating gas, such as based on sulfur hexafluoride or a sulfur hexafluoride gas mixture, filled and largely tubular shaped housing 10 and a recorded from the switch housing 10, largely axially symmetrical contact arrangement with two
  • the contact piece 20 has in a coaxial arrangement a hollow arcing contact 21 and a hollow contact current 22 surrounding the hollow arcing contact.
  • the contact piece 30 is attached to a power connector 12 attached to the switch housing 10 and has a coaxial arrangement designed as a pencil arcing contact 31 and the arcing contact 31 surrounding hollow rated current contact 32.
  • a plurality of radially aligned openings containing gas outlet 21 b is formed in the wall of a tubular contact carrier 21a of the hollow arcing contact 21, a plurality of radially aligned openings containing gas outlet 21 b is formed.
  • the contact carrier 21 a is closed at its the gas outlet 21 b having lower end. This lower end is also connected to the upper end of an axially guided insulating rod of a drive D of the switch.
  • the reference numeral 40 is a fixedly arranged, hollow cast body made of a highly electrically conductive metal, in particular based on aluminum or an aluminum alloy. This metal casting 40 extends along the axis A and is formed axially symmetrical. It serves the mechanical guidance of the switching piece 20 and leads during the operation of the switch the switch current.
  • a mounting flange 41 which serves as a power connection and on the other hand also from a weather-resistant insulating material, such as porcelain or a polymeric composite based on silicone, epoxy or EPDM, existing switch housing 10 carries , At its upper end terminating in the opposite end face, the cast metal body 40 carries the fixed piston 51 of a piston-cylinder compression device 50 with an annular compression space 52.
  • a tubular wall of the metal casting 40 extends between the two end faces. This wall bounds two annular volumes which are separated from one another by an intermediate wall 42 of the metal casting 40, one of which is an exhaust space 43 and the second is an intermediate volume 44.
  • the exhaust space 43 is guided around a gas outlet 21 b containing portion of the contact carrier 21 a and communicates over several formed in the wall of the metal casting 40, radially outwardly guided exhaust ports 47 with a radially limited from the switch housing 10 to the outside, filled with the insulating gas storage space 11.
  • the intermediate volume 44 is arranged between the compression space 52 and the exhaust space 43 and communicates via radially outwardly guided, molded into the wall of the metal casting 40 intake openings 48 with the storage space 11th
  • the compression space 52 is radially inwardly from a portion of the contact carrier 21 a and radially outwardly bounded by a cylinder 53 of the piston-cylinder compression device 50 forming portion of a tubular contact carrier 22 a of the rated current contact 22. In the axial direction, the compression space 52 is bounded by the piston 51 and the bottom 54 of the cylinder 53.
  • a portion 45 of the guideway of a sliding guide of the arcing contact 21 and in the outer surface of the metal casting 40, a portion 46 of the guideway of a sliding guide of the rated current contact 22 is formed.
  • the sliding guide of the rated current contact 22 has a wreath 22b of contact fingers formed in the contact carrier 22a of the rated current contact 22, which contact springs are resiliently supported on the guide track section 46 to form contact force.
  • a section of the metal casting body 40 containing the guide track section 46 has a greater wall thickness than a section of the metal casting 40 which extends therefrom and extends in the upper end side.
  • the piston 51 fastened to the upper end side contains on its inner side a second guide track section of the slide guide which is not designated Arc contact 21 and on its outer side also not designated second guideway portion of the sliding guide of the rated current contact 22nd
  • the cylinder bottom 54 mechanically and electrically connects the arcing contact 21 to the rated current contact 22.
  • an insulating nozzle 60 which is closed by the arcing contact 31 in the switch-on position of the switch is arranged, which limits an heating volume 55 serving to receive arc-generated quenching gas upwards.
  • the piston head 54 limits the heating volume down.
  • an annular body 62 is rigidly fastened.
  • a drive rod 71 of a stationary mounted on a mounting body 72 deflection gear 70 is mounted.
  • This deflecting gear 70 is non-positively connected to the formed as a pencil arcing contact 31 and moves the pin 31 when turning counterclockwise to the switching piece 20.
  • the ring body 62 is gas-tight in a fixedly held cylinder 63 out, which is typically formed by a portion of the contact carrier 32 a of the rated current contact 32 becomes.
  • the contact piece 20 is moved downwards by switch drive D and first disconnect the rated current contacts 22, 32.
  • the current to be disconnected commutes from the rated current contacts into a current path containing the two arcing contacts 21, 31, which now contacts the contact carrier 22a of the rated current contact 22 , the cylinder bottom 54, the arcing contact 21 and the arcing contact 31 to the power connector 12 extends.
  • After disconnecting the arcing contacts 21, 31 is formed from a Fig.2 apparent switching arc S, which generates hot arc gas high pressure. Part of the hot arc gas escapes first as exhaust gas into the hollow arcing contact 21, expands through the gas outlet 21 b in the exhaust space 43, from which it flows through the exhaust ports 47 in the fresh insulating gas containing storage space 11.
  • the intermediate volume 44 stored fresh insulating gas does not come into contact with the exhaust gas flowing into the storage space 11 and maintains its good dielectric properties.
  • Another part of the hot arc gas flows into the heating volume 55 and is stored there as compressed extinguishing gas.
  • a third part of the arc gas flows as blow-out gas through the nozzle 70 into a control volume 73 whose volume in the axial direction is determined by the annular body 62 and a fixed wall 74 integral with the mounting body 72 ,
  • the wall 74 has a gas outlet 75, through which the purge gas is guided from the control volume 74 into the storage space 11.
  • the volume of the intermediate volume 44 is selected so that it is greater than the volume of the compression space 52 in the switch-on position of the switch.
  • a subsequent rapid reclosing of the switch drive D leads the contact piece 20 upwards.
  • the volume of the compression chamber 52 increases again and only a fresh insulating gas from the intermediate volume 44 is sucked into the compression space 52 via a check valve 58 arranged in the piston 51.
  • this fresh insulating gas is compressed in the compression chamber 52 to high-quality extinguishing gas dielectric and used to blow the switching arc S. A safe enough amount of high quality extinguishing gas is then available when the volume of the intermediate volume 44 is at least 1.2 times the volume of the compression space 52.
  • the construction and manufacture of the switch are simplified.
  • the mechanical guiding of the switching piece 20 moved by the drive D, the carrying of the switch housing 10, the passing of the switch current, the transfer of the switch current into the switching piece 20 and the gas-tight separation of the exhaust space 43 and intermediate volume 44 are now performed reached. Since the piston 51 is fixed to an end face of the metal casting 40, additional functions, such as the axial limitation and the appropriate dimensioning of the intermediate volume 44, result in components which are required in a production-related simple manner.
  • volume content of the intermediate volume 44 is now dimensioned so that the compression space 52 is supplied regardless of the quality of existing in the storage volume 11 insulating gas with fresh insulating gas, so that as high-quality extinguishing gas available for the fast reclosing following output switching as for the Switch-off process carried out before the quick restart.
  • the volume of the compression space 52 can therefore be kept small and accordingly drive energy can be saved.
  • the metal cast body 40 and the piston 51 at the same time also each carry one of two sections of the guideway of the sliding guide of the hollow arcing contact 21 and the guide rail of the sliding guide of the hollow rated current contact 22. Since the piston 51 and thus also the pressure relief valve 56 and the fast re-switching a refilling of the Compression space 52 with the fresh insulating gas from the intermediate volume 44 enabling check valve 58 can be easily attached to the front side of the metal body 40 and the individual sections are joined together to form the guideways of the two aforementioned sliding guides, simplifies the manufacture of the switch considerably.
  • the switching piece 20 then acts as a differential piston, on the upper piston surface of the pressure of the control volume 73 passing exhaust gases (arrows in Fig.2 ) and on whose lower piston surface the pressure of the extinguishing gas located in the compression chamber 52 acts, and thus supports the drive D.
  • a particularly good drive assistance is achieved if the volume of the control volume 73 and the flow cross section of the gas outlet 75 are determined so that above a limit of the pressure prevailing in the compression chamber 52 pressure of the quenching gas, the pressure of the purge gases in the control volume 73 is so high that a in the Compression space 52 caused by the pressure of the quenching gas and acting on the switch drive D first force and caused by the pressure of the exhaust gases in the control volume 73 and counter to the first force acting on the switch drive D second force largely compensate each other.

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  • Circuit Breakers (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Claims (8)

  1. Commutateur à haute tension comprenant :
    un boîtier (10) rempli de gaz isolant et délimitant un espace de réserve (11) pour le gaz isolant,
    un ensemble de contact maintenu dans le boîtier (10) et présentant deux pièces de contact (20, 30) aptes à se déplacer l'une par rapport à l'autre le long d'un axe (A), la première pièce de contact (20) apte à être déplacée par un entraînement (D) du commutateur présentant un contact creux (21) pour arc lumineux agencé coaxialement ainsi qu'un contact creux (22) pour courant nominal qui entoure le contact creux (21) pour arc lumineux,
    une première sortie de gaz (21b) formée dans la paroi d'un porte-contact tubulaire (21a) du contact creux (21) pour arc lumineux,
    un espace d'échappement (43) de forme tubulaire qui s'étend autour d'une section du porte-contact tubulaire (21a) qui contient la première sortie de gaz (21b) et qui communique avec l'espace de réserve (11) par une ouverture d'échappement (47) qui s'étend radialement vers l'extérieur,
    un dispositif de compression (50) à piston et cylindre, actionné par l'entraînement (D) et doté d'un espace de compression (52) de forme annulaire pour reprendre le gaz d'extinction et
    un volume intermédiaire (44) disposé entre l'espace de compression (52) et l'espace d'échappement (43) séparé de l'espace d'échappement (43) par une paroi intermédiaire (42), communiquant avec l'espace de réserve (11) par une ouverture d'aspiration (48) qui s'étend radialement vers l'extérieur et relié à l'espace de compression (52) par une soupape anti-retour (58) lors du branchement,
    caractérisé en ce que
    la paroi intermédiaire (42) fait partie d'un corps creux (40) en métal coulé qui délimite radialement vers l'extérieur l'espace d'échappement (43) et le volume intermédiaire (44) et qui contient l'ouverture d'échappement (47) et l'ouverture d'aspiration (48),
    en ce que le piston (51) du dispositif de compression (50) à piston et cylindre est fixé à un côté frontal du corps creux (40) en métal coulé et délimite axialement le volume intermédiaire (44) et
    en ce que lorsque le commutateur est en position de branchement, l'espace contenu dans le volume intermédiaire (44) défini par la distance axiale entre la paroi intermédiaire (42) et le piston (51) est supérieur à l'espace contenu dans l'espace de compression (52).
  2. Commutateur selon la revendication 1, caractérisé en ce que l'espace contenu dans le volume intermédiaire (44) représente au moins 1,2 fois l'espace contenu dans l'espace de compression (52).
  3. Commutateur selon l'une des revendications 1 ou 2, caractérisé en ce qu'une première section (45) d'une piste de guidage coulissant du contact creux (21) pour arc lumineux est formée dans la paroi intermédiaire (42) et en ce qu'une première section (46) d'une piste de guidage coulissant du contact creux (22) pour courant nominal est formée dans la surface extérieure du corps creux (40) en métal coulé.
  4. Commutateur selon la revendication 3, caractérisé en ce que le corps creux (40) en métal coulé est réalisé en aluminium ou en un alliage d'aluminium.
  5. Commutateur selon la revendication 4, caractérisé en ce qu'une première section du corps creux (40) en métal coulé qui contient la première section (46) d'une piste de guidage coulissant du contact creux (22) pour courant nominal présente une paroi de plus grande épaisseur qu'une deuxième section adjacente et qui se prolonge dans un côté frontal du corps creux (40) en métal coulé.
  6. Commutateur selon la revendication 5, caractérisé en ce que le piston (51) porte une deuxième section d'une piste de guidage coulissant du contact creux (21) et le guidage coulissant du contact creux (22) pour courant nominal.
  7. Commutateur selon l'une des revendications 1 à 6, dans lequel lors d'une opération de débranchement, la deuxième pièce de contact (30) présente un contact (31) pour arc lumineux, en forme de tige qui est déplacée en sens opposé du contact creux (21) pour arc lumineux de la première pièce de contact (20) par une tuyère isolante (60) fixée sur la première pièce de contact (20) et une transmission de renvoi (70) maintenue fixe, la force d'entraînement nécessaire pour le déplacement étant appliquée dans la transmission de renvoi (70) par un corps annulaire (62) fixé rigidement à l'extrémité de soufflage de la tuyère isolante (60), caractérisé en ce que le corps annulaire (62) est guidé de manière étanche aux gaz dans un cylindre (63) maintenu fixe et en ce que le cylindre (63) délimite un volume pilote (73) qui reprend le gaz provenant de la tuyère isolante (60) et dont l'espace contenu est défini dans la direction axiale par le corps annulaire (62) et une paroi fixe (74) qui contient une deuxième sortie de gaz (75).
  8. Commutateur selon la revendication 7, caractérisé en ce que l'espace contenu dans le volume pilote (73) et la section transversale d'écoulement de la deuxième sortie de gaz (75) sont définis de telle sorte qu'au-dessus d'une valeur limite de la pression du gaz d'extinction qui règne dans l'espace de compression (52), la pression des gaz de soufflage dans le volume pilote (73) est suffisamment haute pour qu'une première force qui agit dans l'espace de compression (52) sous l'effet de la pression du gaz d'extinction et une deuxième force provoquée dans le volume pilote (73) par l'effet de la pression des gaz de soufflage et qui agit sur l'entraînement de commutation (D) dans un sens opposé à la première force se compensent.
EP09165985A 2009-07-21 2009-07-21 Commutateur haute tension Active EP2278604B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP09165985A EP2278604B1 (fr) 2009-07-21 2009-07-21 Commutateur haute tension
AT09165985T ATE549731T1 (de) 2009-07-21 2009-07-21 Hochspannungsschalter
ES09165985T ES2384425T3 (es) 2009-07-21 2009-07-21 Conmutador de alta tensión

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09165985A EP2278604B1 (fr) 2009-07-21 2009-07-21 Commutateur haute tension

Publications (2)

Publication Number Publication Date
EP2278604A1 EP2278604A1 (fr) 2011-01-26
EP2278604B1 true EP2278604B1 (fr) 2012-03-14

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EP09165985A Active EP2278604B1 (fr) 2009-07-21 2009-07-21 Commutateur haute tension

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EP (1) EP2278604B1 (fr)
AT (1) ATE549731T1 (fr)
ES (1) ES2384425T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018109931A1 (fr) * 2016-12-16 2018-06-21 株式会社 東芝 Dispositif de commutation à isolation gazeuse
JP2023552402A (ja) * 2020-12-04 2023-12-15 ヒタチ・エナジー・スウィツァーランド・アクチェンゲゼルシャフト 電気スイッチング装置

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FR2694987B1 (fr) 1992-08-21 1994-10-07 Alsthom Gec Disjoncteur à haute tension ayant une chambre de coupure à volume de soufflage variable.
FR2696274B1 (fr) 1992-09-29 1994-11-04 Alsthom Gec Disjoncteur à haute tension à auto-soufflage ayant une chambre de coupure à compression de gaz réduite.
US5478980A (en) 1994-04-05 1995-12-26 Abb Power T&D Company, Inc. Compact low force dead tank circuit breaker interrupter
DE19730583B4 (de) * 1996-08-01 2007-06-21 Areva Energietechnik Gmbh Druckgasschalter
DE29706202U1 (de) 1997-03-27 1997-06-05 Siemens AG, 80333 München Druckgasleistungsschalter
DE19858793A1 (de) * 1998-12-18 2000-06-21 Alstom Energietechnik Gmbh Druckgasschalter

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