EP2201588B1 - Kompakter schutzschalter mit gemeinsamer übertragung und zwei ausgerichteten trennkammern - Google Patents

Kompakter schutzschalter mit gemeinsamer übertragung und zwei ausgerichteten trennkammern Download PDF

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Publication number
EP2201588B1
EP2201588B1 EP08840350.6A EP08840350A EP2201588B1 EP 2201588 B1 EP2201588 B1 EP 2201588B1 EP 08840350 A EP08840350 A EP 08840350A EP 2201588 B1 EP2201588 B1 EP 2201588B1
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EP
European Patent Office
Prior art keywords
chamber
circuit breaker
contacts
movable
contact
Prior art date
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Active
Application number
EP08840350.6A
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English (en)
French (fr)
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EP2201588A1 (de
Inventor
Gwenael Marquezin
André Cimala
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GE Vernova GmbH
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Alstom Technology AG
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Application filed by Alstom Technology AG filed Critical Alstom Technology AG
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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
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the 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
    • H01H33/91—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

Definitions

  • the invention relates to the field of circuit breakers of high voltage and very high electrical voltage (shielded and dead tank) comprising, for each phase, at least two chambers aligned cuts and a common transmission.
  • the mechanical synchronization obtained by the transmission common to the moving contacts of the aligned chambers makes it possible, during the fault current cut-off (short-circuit current for example), to split the current to facilitate the extinction of the arc.
  • tie rods external to the chambers are used to open the set of moving contacts simultaneously.
  • the use of such tie rods implies the need to use also cowlings as well as to provide long distances of insulators, that is to say significant distances between these tensioning rods and the metal tanks to the potential of the Earth.
  • the document US 4,319,105 shows a circuit breaker structure with three aligned breaking chambers in which the transmission of movement is via tie rods 98, 98A, 98B inside the casing 63 and connecting the arc rods which are the arc contacts mobiles (see figures 2-3 for example).
  • the document CH 620790 shows a circuit breaker structure with two interrupting chambers 2a, 2b in which the motion transmission is via an insulating actuating tube 3 fixed to each compression cylinder 4a, 4b of the breaking chambers, -same attached to the tulip 14a, 14b and the nozzle 17a, 17b, the actuating tube 3 surrounding the fixed bow rod 12b of the first chamber (see figure 1 ).
  • the document FR 2267625 shows a structure of circuit breakers with at least two aligned chambers in which the transmission of movement is via internal tie rods 39 which connect the movable arc rod 25 of the first chamber to the mobile cylinder 31 at the end of which is reported the nozzle 37.
  • the object of the invention is then to propose a solution that makes it possible to reduce the radial size and the total length of the circuit breaker.
  • the invention relates to a high or very high voltage circuit breaker comprising, per phase, at least two aligned breaking chambers, in which each chamber comprises a pair of main contacts, a pair of arcing contacts each secured to each other. one of the main contacts and a nozzle for blowing the hot gases from the break, the pairs of contacts being partly of complementary male and female shapes and each comprising at least one movable contact, the nozzle being integral with the main contact and the arc mobile, in which the simultaneous movement transmission between the movable contacts of the first chamber and those of the second chamber is performed by a transmission assembly, integral directly on the one hand mobile main contact of the first chamber and secondly of the moving arc contact of the second chamber, the set of transmission being contained inside the two breaking chambers.
  • the movement is simultaneously transmitted from one chamber to the other directly through the main contact of the first chamber.
  • the cowlings used according to the prior art are no longer necessary and at least part of the transmission assembly can be made of metal.
  • the mechanical grip of the transmission assembly according to the invention is directly on the main contact tube which must therefore withstand mechanical tensile forces / compression.
  • the transmission assembly is contained completely inside the two breaking chambers. This reduces the radial size but also reduces the length of the circuit breaker.
  • the transmission assembly is contained inside the two breaking chambers by arrangement between respectively the nozzle and the main contacts, between the fixed main contact and the fixed arc contact of the first chamber and between the latter and the end of the moving arc contact of the second chamber closest to the first chamber.
  • each pair of contacts comprises two movable contacts, additional transmission means for mutually separating the main and arc contacts during a break being provided for each chamber.
  • one of the arcing contacts of at least the first interrupting chamber is fixed and in the form of an arc rod extended by at least one foot integral with a fixed external wall of the circuit breaker, the transmission assembly secured directly to the movable main contact of the first chamber and the moving arc contact of the second chamber being arranged in part in the space delimited by the foot (s) and the fixed outer wall.
  • the fixed bow rod is extended by a tripod to the fixed outer wall.
  • the transmission assembly comprises an insulating part integral with the movable main contact and electrically connected in parallel with the nozzle of the first chamber, the insulating part being arranged coaxially with the nozzle and, where appropriate, with the less partially in support against the nozzle.
  • the movable arc contact of the second breaking chamber is in the form of a hollow cylinder and, all of transmission comprises a transmission part coupled directly to the hollow cylinder via an axis.
  • the transmission assembly may comprise connecting rods and / or a tube.
  • the tube of the transmission assembly is perforated so as to leave a passage for the foot (s) of the fixed arc contact.
  • the transmission assembly comprises an insulating portion partially surrounding the nozzle in the direction of its length and directly attached to the movable main contact of the first chamber.
  • an insulating part of the transmission assembly and the blowing nozzle are made in one piece.
  • the movement input can be done by arc contact in the form of a rod or by arc contact in the form of a tulip.
  • the invention also relates to the use of a circuit breaker previously described as part of a metal envelope station (PSEM).
  • PSEM metal envelope station
  • the circuit breaker high or very high voltage D shown comprises, per phase, at least two breaking chambers Ca, Cb, Cc aligned along the axis X-X '.
  • Each chamber Ca, Cb comprises respectively a pair of main contacts 7a, 8a, 7b, 8b, a pair of arcing contacts 1a, 2a; 1b, 2b each integral with one of the main contacts in part of complementary male and female forms.
  • Each pair of contacts comprises a single main contact 7a, 7b or arc 1a; 1b mobile.
  • Each chamber Ca, Cb further comprises a nozzle 3a, 3b blowing hot gases from the cut, the nozzle 3a, 3b being secured to the main contact 7a, 7b and movable arc 1a, 1b. ( Figures 1 and 2 ).
  • the movement input is usually done, that is to say by a connecting rod or insulating rod operating circuit breaker not shown and coupled directly to the arc contact.
  • the movement of a breaking chamber C1 of the high or very high voltage circuit-breaker D is simultaneously transmitted to the other chamber C2 via the movable main contact 7a passing inside the chambers ( Figures 1 and 2 ).
  • the motion transmission of the movable arcing contact la from the first chamber Ca to that of the second chamber Cb is carried out by a transmission assembly 4, 40, 41 integral directly, on the one hand with the movable main contact 7a of the first chamber Ca and secondly, the movable arc contact 1b of the second chamber, the transmission assembly 4 being contained within the two breaking chambers Ca, Cb.
  • the transmission assembly 4 illustrated is such that it is arranged between, respectively, the nozzle 3a and the main contacts 7a, 8a, between the fixed main contact 8a and the fixed arc contact 3a of the first chamber Ca and between the latter 3a and the end of the movable arc contact 1b of the second chamber Cb closest to the first chamber Ca.
  • the arcing contacts 2a, and 2b of the breaking chambers Ca and Cb are fixed and each is in the form of an arc rod extended by a tripod 20a, 20b to the wall external fixed 5 of the circuit breaker.
  • the transmission assembly 4 is secured directly to the movable main contact 7a of the first chamber Ca and the moving arc contact of the second chamber in the form of a hollow cylinder 1b.
  • the transmission assembly 4 comprises a transmission part 41 coupled directly to the hollow cylinder 1b via an axis 6 (a other fastening system is possible since the degree of freedom provided by the axis is not absolutely necessary - a screw connection is also possible).
  • the transmission assembly 4 consists of a composite tube 40.41.
  • the insulating tubular portion 40 electrically connected in parallel with the nozzle 3a and a tubular portion 41 whose material is not of electrical importance (or dielectric) and whose primary function is therefore to transmit the movement between the two rooms Ca, Cb.
  • This function can very well be provided by a single insulated connecting rod, which makes it possible to have only one part to realize and to implant.
  • a cowling can be useful to protect them from hot gases from the cut.
  • the movement transmission parts 4, 40, 41 are of revolution, arranged around the axis XX ', and have slots for the passage of the fasteners 20a (tripod) of the cutoff rod 2a.
  • the transmission assembly 4 comprises an insulating portion 40 partially surrounding the nozzle 3a in the direction of its length, being directly in abutment with it, and fixed directly to the movable main contact 7a of the first chamber Ca for to separate from the fixed main contact 8a during a break.
  • the circuit breaker comprises at least a third chamber Cc, not shown, the simultaneous transmission of motion between the second chamber Cb and this third Cc being carried out in the same manner as that between the first Cs and the second one.
  • Cb that is to say with another set 4, 40, 41 built and secured identically.
  • the insulating part 40 of this other assembly also partially surrounds the nozzle 3b in the longitudinal direction, being directly against it and is fixed to the movable main contact 7b intended to separate from the main fixed contact 8b during a break .
  • the fixed arc rods 2a, 2b are each extended by a tripod 20a 20b. It goes without saying that any solution with one, two or more feet integral with the external fixed wall 5 is suitable.
  • the solution with one or two feet arranged at 180 ° has the advantage of leaving more space for the passage of the portion 41 of the transmission assembly 4.
  • the maneuvering movement input is by arc contact 3b in the form of a tulip.
  • this one can just as easily make by the arc contact in the form of a tulip (like the one shown in 3b).

Landscapes

  • Circuit Breakers (AREA)

Claims (12)

  1. Schalter (D) für hohe oder sehr hohe Spannung, umfassend pro Phase wenigstens zwei ausgerichtete Unterbrechungskammern (Ca; Cb), wobei jede Kammer (Ca; Cb) ein Paar von Hauptkontakten (7a, 8a; 7b, 8b) umfasst, ein Paar von Bogenkontakten (1a, 2a; 1 b, 2b), die jeweils mit einem der Hauptkontakte verbunden sind, sowie eine Blasdüse (3a, 3b) für heiße Gase, die aus der Unterbrechung hervorgehen, wobei die Kontaktpaare teilweise komplementäre männliche und weibliche Formen haben und jeweils wenigstens einen beweglichen Kontakt (1a, 1b; 7a, 7b) aufweisen, dadurch gekennzeichnet, dass die Düse mit dem beweglichen Hauptkontakt (7a, 7b) und Bogenkontakt (1a, 1b) verbunden ist, wobei die gleichzeitige Bewegungsübertragung zwischen den beweglichen Kontakten (1a, 7a) der ersten Kammer (Ca) und jenen (1b, 7b) der zweiten Kammer (Cb) durch eine Übertragungsgruppe (4, 40, 41) realisiert wird, die direkt einerseits mit dem beweglichen Hauptkontakt (7a) der ersten Kammer und andererseits mit dem beweglichen Bogenkontakt (1 b) der zweiten Kammer verbunden ist, wobei die Übertragungsgruppe im Inneren der zwei Unterbrechungskammern (Ca, Cb) enthalten ist.
  2. Schalter (D) für hohe oder sehr hohe Spannung nach Anspruch 1, wobei die Übertragungsgruppe im Inneren der zwei Unterbrechungskammern (Ca, Cb) enthalten ist durch Anordnung zwischen der Düse (3a) und den Hauptkonktakten (7a, 8a), zwischen dem festen Hauptkontakt (8a) und dem festen Bogenkontakt (3a) der ersten Kammer (Ca) beziehungsweise zwischen diesem letztgenannten (3a) und dem Ende des beweglichen Bogenkontakts (1 b) der zweiten Kammer (Cb), der der ersten Kammer (Ca) am nächsten liegt.
  3. Schalter nach Anspruch 1 oder 2, bei dem jedes Kontaktpaar zwei bewegliche Kontakte umfasst, wobei zusätzliche Übertragungsmittel zur wechselseitigen Trennung der Haupt- und Bogenkontakte für jede Kammer (Ca, Cb) im Fall einer Unterbrechung vorgesehen sind.
  4. Schalter nach Anspruch 1 oder 2, wobei einer der Bogenkontakte (2a; 2b) wenigstens der ersten Unterbrechungskammer (Ca; Cb) fest ist und die Form einer Bogenstange aufweist, welche durch wenigstens einen Fuß (20a; 20b) verlängert ist, der mit einer festen Außenwand (5) des Schalters verbunden ist, wobei die Übertragungsgruppe, die direkt mit dem beweglichen Hauptkontakt (7a) der ersten Kammer (Ca) und dem beweglichen Bogenkontakt (1 b) der zweiten Kammer verbunden ist, teilweise in dem Raum angeordnet ist, der durch den/ die Fuß/ Füße (20a) und die feste Außenwand (5) begrenzt wird.
  5. Schalter nach Anspruch 4, wobei die feste Bogenstange (2a; 2b) durch einen Dreifuß (20a; 20b) bis zur festen Außenwand (5) verlängert ist.
  6. Schalter nach einem der vorhergehenden Ansprüche, wobei die Übertragungsgruppe ein isolierendes Teil (40) umfasst, das direkt mit dem beweglichen Hauptkontakt (7a) verbunden und elektrisch parallel an die Düse (3a) der ersten Kammer (Ca) angeschlossen ist, wobei der isolierende Teil koaxial zur Düse (3a) angeordnet ist.
  7. Schalter nach einem der vorhergehenden Ansprüche, wobei der bewegliche Bogenkontakt (1 b) der zweiten Unterbrechungskammer die Form eines Hohlzylinders aufweist, und wobei die Übertragungsgruppe ein Übertragungsstück (41) umfasst, das direkt mittels einer Axe (6) mit dem Hohlzylinder gekoppelt ist.
  8. Schalter nach einem der vorhergehenden Ansprüche, bei dem die Übertragungsgruppe Stangen und/ oder ein Rohr (4, 40, 41) umfasst.
  9. Schalter nach Anspruch 8 in Verbindung mit Anspruch 4 oder 5, wobei das Rohr (41) der Übertragungsgruppe derart durchbrochen ist, dass ein Durchgang für den/ die Fuß/ Füße (20a) des festen Bogenkontakts (2a) freigelassen wird.
  10. Schalter nach einem der vorhergehenden Ansprüche, wobei ein isolierendes Teil (40) der Übertragungsgruppe und die Blasdüse (3a, 3b) aus einem einzigen Stück gefertigt sind.
  11. Schalter nach einem der vorhergehenden Ansprüche, wobei der Bewegungseintritt durch den Bogenkontakt (2a) in der Form einer Stange erfolgt.
  12. Verwendung eines Schalters (D) nach einem der vorhergehenden Ansprüche als Teil einer metallgekapselten Station (PSEM).
EP08840350.6A 2007-10-15 2008-10-14 Kompakter schutzschalter mit gemeinsamer übertragung und zwei ausgerichteten trennkammern Active EP2201588B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0758322A FR2922354B1 (fr) 2007-10-15 2007-10-15 Disjoncteur a deux chambres de coupure alignees, a transmission commune et encombrement reduit
PCT/EP2008/063768 WO2009050154A1 (fr) 2007-10-15 2008-10-14 Disjoncteur a deux chambres de coupure alignees, a transmission commune et encombrement reduit

Publications (2)

Publication Number Publication Date
EP2201588A1 EP2201588A1 (de) 2010-06-30
EP2201588B1 true EP2201588B1 (de) 2014-01-08

Family

ID=39326283

Family Applications (1)

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EP08840350.6A Active EP2201588B1 (de) 2007-10-15 2008-10-14 Kompakter schutzschalter mit gemeinsamer übertragung und zwei ausgerichteten trennkammern

Country Status (5)

Country Link
US (1) US8653395B2 (de)
EP (1) EP2201588B1 (de)
CN (1) CN101821827B (de)
FR (1) FR2922354B1 (de)
WO (1) WO2009050154A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104319168B (zh) * 2014-10-09 2017-05-03 河南平高电气股份有限公司 一种灭弧室组件及瓷柱式六氟化硫断路器
CN112038967B (zh) * 2020-08-25 2022-04-08 国核电力规划设计研究院有限公司 一种用电设备及其开关设备
CN117275981B (zh) * 2023-10-30 2025-06-06 山东泰开高压开关有限公司 一种断路器灭弧室对中装配方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896282A (en) 1973-05-25 1975-07-22 S & C Electric Co High voltage circuit interrupting device
FR2235470B1 (de) 1973-06-28 1976-05-07 Merlin Gerin
CH607284A5 (de) 1974-04-09 1978-11-30 Reyrolle Parsons Ltd
DE2650493C2 (de) * 1976-11-04 1985-06-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Autopneumatischer Druckgasschalter
US4319105A (en) * 1976-12-27 1982-03-09 Siemens-Allis, Inc. High voltage air disconnect switch incorporating a puffer type load break switch
US4378751A (en) * 1978-05-08 1983-04-05 Siemens-Allis, Inc. Condition indicating device for a puffer type load break switch
FR2575595B1 (fr) * 1985-01-02 1987-01-30 Alsthom Atlantique Disjoncteur a haute tension a gaz comprime
ATE214199T1 (de) * 1995-01-06 2002-03-15 Gec Alsthom T & D Sa Lastschalter mit zwei löschkammern je pol
FR2729250A1 (fr) 1995-01-06 1996-07-12 Gec Alsthom T & D Sa Disjoncteur a deux chambres de coupure par pole
JPH09231885A (ja) * 1996-02-22 1997-09-05 Hitachi Ltd ガス遮断器
FR2764728B1 (fr) * 1997-06-12 1999-09-24 Gec Alsthom T & D Sa Disjoncteur a resistance de fermeture
FR2826503B1 (fr) * 2001-06-25 2003-09-05 Alstom Chambre de coupure avec ampoule a vide

Also Published As

Publication number Publication date
US20100270266A1 (en) 2010-10-28
WO2009050154A1 (fr) 2009-04-23
CN101821827B (zh) 2013-07-31
EP2201588A1 (de) 2010-06-30
FR2922354A1 (fr) 2009-04-17
US8653395B2 (en) 2014-02-18
FR2922354B1 (fr) 2009-12-11
CN101821827A (zh) 2010-09-01

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