EP2756512B1 - Schaltkammer für einen schutzschalter - Google Patents

Schaltkammer für einen schutzschalter Download PDF

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Publication number
EP2756512B1
EP2756512B1 EP12756731.1A EP12756731A EP2756512B1 EP 2756512 B1 EP2756512 B1 EP 2756512B1 EP 12756731 A EP12756731 A EP 12756731A EP 2756512 B1 EP2756512 B1 EP 2756512B1
Authority
EP
European Patent Office
Prior art keywords
arcing
circuit breaker
contacts
contact
interrupting chamber
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
EP12756731.1A
Other languages
English (en)
French (fr)
Other versions
EP2756512A1 (de
Inventor
Denis Dufournet
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.)
GE Vernova GmbH
Original Assignee
Alstom 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 Alstom Technology AG filed Critical Alstom Technology AG
Publication of EP2756512A1 publication Critical patent/EP2756512A1/de
Application granted granted Critical
Publication of EP2756512B1 publication Critical patent/EP2756512B1/de
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
    • H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
    • H01H33/7023—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle
    • H01H33/703—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle having special gas flow directing elements, e.g. grooves, extensions
    • 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
    • H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts

Definitions

  • This interrupting chamber is shown with the circuit breaker in the open position.
  • This interrupting chamber includes the first movable main contact 2 and stationary main contacts 4.
  • the movable contacts 2 are inside the main contacts 4.
  • Current passes mainly through said contacts when the circuit breaker is in the closed position.
  • the stationary 4 and movable 2 main contacts separate by moving towards the right of the set of movable contacts.

Landscapes

  • Circuit Breakers (AREA)

Claims (10)

  1. Schaltkammer für einen Schutzschalter, wobei die Kammer zwei Abreißkontakte (1) und (3) aufweist, die sich beim Öffnen des Schutzschalters voneinander trennen und danach vor Trennung der Hauptkontakte (2, 4), wobei des weiteren die Schaltkammer ein Blasdüse (5) aufweist, die an einem (2) der Hauptkontakte befestigt ist und die eine im allgemeinen zylindrische Form aufweist sowie einen Hals (12) und ein Umdrehungsvolumen einschließlich eines stromaufwärts gelegenen Teils (9) und einen stromabwärts gelegenen Teil (14) besitzt, und die Schaltkammer dadurch gekennzeichnet ist, daß der stromabwärts gelegene Teil (14) der Blasdüse mit einem einzelnen konischen Teil versehen ist, daß der Abreißkontakt (3) von dem Hals der Düse aus stromabwärts gelegen in Richtung des Gasstroms hohl ist und daß die Länge des Halses der Blasdüse (5) für den Abreißkontakt (3) ausreicht, mit dem Hals (12) in Berührung zu bleiben, während die Blasdüse (5) sich während des Öffnens des Schutzschalters bewegt.
  2. Schaltkammer nach Anspruch 1, dadurch gekennzeichnet, daß der eine Abreißkontakt (3) der beiden Kontakte stationär ist, und daß der andere Kontakt (1) beweglich ist.
  3. Schaltkammer nach Anspruch 1, dadurch gekennzeichnet, daß beide Abreißkontakte (1, 3) beweglich sind, und daß die Kontakte durch eine Relativbewegung während des Öffnens des Schutzschalters voneinander getrennt werden.
  4. Schaltkammer nach Anspruch 2, dadurch gekennzeichnet, daß der stationäre Abreißkontakt (3) seitliche Öffnungen (15) aufweist, so daß es für das geblasene Gas leichter ist zu entweichen.
  5. Schaltkammer nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß sie eine Trennwand (18) aufweist, die in dem beweglichen Hauptabreißkontakt angeordnet ist, daß die Trennwand (18) mit dem Stromaufwärtsteil der Blasdüse zusammenwirkt, um ein Thermovolumen (Vth) zu bilden, daß die Ventile (20) in der Trennwand vorgesehen sind und ein stationärer Kolben (22) von der Trennwand (18) stromaufwärts gelegen ist, und daß der Kolben mit der Trennwand (18) zusammenwirkt, um ein Kompressionsvolumen (Vc) zu bilden.
  6. Schaltkammer nach Anspruch 5, dadurch gekennzeichnet, daß die Abreißkontakte (1, 3) zu dem Lichtbogen-Stangentyp und Tulpenkontakttyp gehören.
  7. Schaltkammer nach einem der vorhergehenden Ansprüche, gekennzeichnet durch Abreißkontakte, die dem Kolbenkontaktyp entsprechen und hinter dem beweglichen Abreißkontakt eine Feder aufweisen, um dadurch die Kontaktkraft zu erzeugen, die in der geschlossenen Position notwendig ist.
  8. Schaltkammer nach einem der vorhergehenden Ansprüche, gekennzeichnet durch einen Schutzschalter, der außen in der Luft isoliert ist.
  9. Schaltkammer nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß sie für einen gasisolierten Metallwolken-Schutzschalter gebaut ist.
  10. Schaltkammer nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß sie für einen Schutzschalter des Typs "dead tank" gebaut ist, dessen aktiver Teil in einem gasisolierten Metallgehäuse sitzt und mit Stromeinlässen und Stromauslässen über luftisolierte Überkopfbuchsen versehen ist.
EP12756731.1A 2011-09-12 2012-09-10 Schaltkammer für einen schutzschalter Active EP2756512B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1158072A FR2980033B1 (fr) 2011-09-12 2011-09-12 Chambre de coupure pour disjoncteur
PCT/EP2012/067634 WO2013037726A1 (en) 2011-09-12 2012-09-10 Interrupting chamber for a circuit breaker

Publications (2)

Publication Number Publication Date
EP2756512A1 EP2756512A1 (de) 2014-07-23
EP2756512B1 true EP2756512B1 (de) 2015-10-07

Family

ID=46829765

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12756731.1A Active EP2756512B1 (de) 2011-09-12 2012-09-10 Schaltkammer für einen schutzschalter

Country Status (4)

Country Link
EP (1) EP2756512B1 (de)
FR (1) FR2980033B1 (de)
HU (1) HUE026313T2 (de)
WO (1) WO2013037726A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115565809A (zh) * 2022-10-21 2023-01-03 云南电网有限责任公司电力科学研究院 一种环保气体灭弧室
EP4664503A1 (de) 2024-06-12 2025-12-17 GE Vernova Technology GmbH Hochspannungs-leistungsschalter mit optimiertem kontaktdesign

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08167357A (ja) * 1994-12-12 1996-06-25 Nissin Electric Co Ltd ガス遮断器
FR2760890B1 (fr) * 1997-03-17 1999-04-16 Gec Alsthom T & D Sa Deflecteur pour appareil electrique sous enveloppe metallique, en particulier pour disjoncteur haute tension
DE19907838A1 (de) 1999-02-24 2000-08-31 Alstom Energietechnik Gmbh Druckgasschalter
FR2809531B1 (fr) * 2000-05-25 2002-07-05 Alstom Buse isolante de soufflage pour disjoncteur

Also Published As

Publication number Publication date
WO2013037726A1 (en) 2013-03-21
FR2980033B1 (fr) 2013-12-06
EP2756512A1 (de) 2014-07-23
FR2980033A1 (fr) 2013-03-15
HUE026313T2 (en) 2016-06-28

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