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WO2011147717A1 - Commutateur de rupture de charge - Google Patents

Commutateur de rupture de charge Download PDF

Info

Publication number
WO2011147717A1
WO2011147717A1 PCT/EP2011/057971 EP2011057971W WO2011147717A1 WO 2011147717 A1 WO2011147717 A1 WO 2011147717A1 EP 2011057971 W EP2011057971 W EP 2011057971W WO 2011147717 A1 WO2011147717 A1 WO 2011147717A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
disconnector
switch
vacuum interrupter
moving
Prior art date
Application number
PCT/EP2011/057971
Other languages
German (de)
English (en)
Inventor
Marco Adelmann
Nils Anger
Marcel Brzank
Holger Schumann
Ulf SCHÜMANN
Jörg Teichmann
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2011147717A1 publication Critical patent/WO2011147717A1/fr

Links

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
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H01H33/121—Load break switches
    • H01H33/125—Load break switches comprising a separate circuit breaker
    • H01H33/128—Load break switches comprising a separate circuit breaker being operated by a separate mechanism interlocked with the sectionalising mechanism
    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H33/6661—Combination with other type of switch, e.g. for load break switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/003—Earthing switches
    • 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
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H01H33/121—Load break switches
    • H01H33/122—Load break switches both breaker and sectionaliser being enclosed, e.g. in SF6-filled container

Definitions

  • the invention relates to a switch disconnector with a main contact system consisting of disconnector fixed contact and disconnector switch contact for forming an isolating distance in an open position and with a vacuum interrupter for extinguishing arcs.
  • Such a load-break switch is known for example from DE 197 51 648 AI.
  • the disclosed therein disconnector switch comprises a pivotable separating knife contact as TrennschalterbewegMap, which in an open position with a disconnector fixed contact a separating path ausbil ⁇ det.
  • a vacuum interrupter for extinguishing the arc during the switching process under load, ie during a guided over the load ⁇ current switch rated current, is provided, which is pivotally mounted on an auxiliary contact.
  • the Kon ⁇ is clock system then opened and used for arc extinguishing before after arc extinction a disconnected position or a separation distance between the disconnector fixed contact and the TrennschalterbewegMap is formed.
  • Object of the present invention is to form a load-disconnect switch of the type mentioned, which has a simplified and compact design.
  • Such a load-break switch has a simplified and thus more compact structure because been established through the local ⁇ fixed arrangement of the vacuum interrupter to elaborate leadership and coupling agent can be omitted.
  • the TrennschalterbewegCount is a pivotable disconnector blade contact.
  • Such a pivotable disconnect blade contact as TrennschalterbewegCount leads to a simple and compact design of the circuit breaker, because such a pivotable disconnector blade in a particularly simple manner with a cam for moving the BewegCountan gleichbolzens the vacuum interrupter rotatably mechanically ver ⁇ bindbar.
  • the cam is dimensioned such that a switching operation of the vacuum interrupter is executed when the main contact system is closed.
  • a dimensioning of the cam is advantageous because it is ensured in a switching operation of the vacuum interrupter when the main contact system is closed, that no arc burns between the circuit breaker fixed contact and the TrennschalterbewegCount.
  • the cam is dimensioned such that a switching operation of the vacuum interrupter is executed with the main contact system open.
  • Such a dimensioning of the cam plate is advantageous, because as a result between separating switch fixed contact and Trennschalterbeweg prominence at least in the short term an arc is ignited during the turn-off, however, in such an embodiment, a simple vacuum interrupter to form the circuit breaker is sufficient, which in particular must not be designed Einschaltfest, ie the vacuum interrupter must not be able to switch on a short circuit to can .
  • the vacuum interrupter is arranged in an insulating material ⁇ , wherein a spring system of opening spring and contact pressure spring are arranged in the housing.
  • a spring system of opening spring and contact pressure spring are arranged in the housing.
  • Figure 1 An embodiment of an inventive
  • FIG. 1 shows a switch-disconnector 1 with a main contact system 2 consisting of a disconnector-fixed contact 3 and a disconnector-switch contact 4 in the form of a pivotably mounted disconnector blade contact, which is arranged non-rotatably on a drive shaft 5.
  • the disconnector blade contact is conductively connected via a conductive connecting element 6 to a first terminal 7, for example a cable outlet of a medium-voltage switchgear.
  • the disconnector fixed contact 3 is in conductive connection with a BewegCountan gleichbolzen 8 a vacuum interrupter 9, the fixed contact terminal pin 10 is in turn conductively connected to a second terminal 11, for example a busbar connection of a medium-voltage switchgear.
  • the fixed contact terminal pin 10 is conductively connected to a fixed contact 12 of the vacuum ⁇ interrupter 9, the BewegCountan gleichbolzen 8 is conductively connected to a moving contact 13 of the vacuum interrupter 9, wherein fixed contact 12 and moving contact 13 of Vakuumschaltröh ⁇ re 9 form a contact system for arc extinguishing.
  • the vacuum interrupter 9 is arranged in a housing 14 made of an insulating material, in which a contact pressure spring 15 and an opening spring 16 are provided, the Kon ⁇ tact compression spring 15 is provided for applying a contact pressure force in the closed state of the contact system of fixed contact 12 and moving contact 13 and the opening spring 16, which is supported on a housing shoulder 17 of the housing 14 and is rigidly connected via a spring extension 18 with the Bewegumblean gleichbolzen 8, for applying an opening force for separating the contact system of fixed contact 12 and moving contact 13 of the vacuum interrupter 9 is provided.
  • a cam 19 is also arranged rotationally fixed, which via a stepped contour 20 adds, and which acts on the BewegCountan gleichbolzen 8 of the vacuum interrupter 9 and this to a ⁇ réelles founded. Closing movement of the contact system of fixed contact 12 and moving contact 13 in cooperation with the opening spring 16 drives.
  • Figure 1 shows in the solid representation of the pivotable disconnector blade contact the closed position of the circuit breaker, the main contact system of disconnector fixed contact 3 and TrennschalterbewegCount 4 in the form of Trennmesseruttones conductively connected to each other and the vacuum interrupter 9 with its contact system of fixed contact 12 and moving contact 13 also ge ⁇ is closed, so that a current path between the first terminal 7 and the second terminal 11 is formed.
  • Figure 2 shows a position of the circuit breaker during a switch operation.
  • disconnector fixed contact 3 and disconnector contact 4 are still in contact with each other find, as shown in the figure 2.
  • the switch-disconnector 1 may further have a grounding contact 22, so that when the drive shaft 5 is rotated further, the disconnector switch contact 4 may enter the grounded position indicated at 22 and shown in broken lines so that all ground contact contactor 22 is disconnected from the switch contact 4 and ground contact contactor Earthing contact 22 connected in series system components are grounded.
  • the main contact system 2 of the switch-disconnector 1 is arranged in a container 24, which container 24 may contain an insulating medium, which may be, for example, an Iso ⁇ lationsgas with properties not necessarily arc extinguishing properties. Isolation liquids, for example insulating oil or the like, are also possible as insulation medium.
  • FIG. 3 shows an application of the switch-disconnector 1 of FIGS. 1 and 2 in a medium-voltage switchgear, wherein for each phase of a three-phase current distribution network one of the ⁇ like load disconnector is provided, which between first terminals 7 in the form of cable outlets and second terminals 11 in the form of Busbars is arranged.
  • FIG. 4 shows another application of the switch-disconnector 1 from FIGS. 1 and 2 in a solid-state-isolated switch pole, wherein the switch-disconnector 1 as a whole is surrounded by an insulating material housing, for example a cast-resin housing. is given, which cast resin housing has terminals 25 and 26, which are connectable with cable outlets or busbars of a medium-voltage switchgear.
  • an insulating material housing for example a cast-resin housing.
  • cast resin housing has terminals 25 and 26, which are connectable with cable outlets or busbars of a medium-voltage switchgear.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

L'invention concerne un commutateur de rupture de charge (1) comprenant un système de contact principal (2) formé d'un contact sectionneur fixe (3) et d'un contact sectionneur mobile (4) destiné à obtenir une distance de séparation dans une position de mise hors service, et un module de commutation tube sous vide (9) pour l'extinction de l'arc. Dans le but d'obtenir un commutateur du type précité qui soit d'une construction simple et compacte, l'invention est caractérisée en ce que le module de commutation tube sous vide (9) est disposé stationnaire, et en ce qu'il est prévu une came (19) couplée mécaniquement avec le contact sectionneur mobile (4), pour le déplacement d'un boulon de connexion de contact mobile (8) du module de commutation tube sous vide (9).
PCT/EP2011/057971 2010-05-25 2011-05-17 Commutateur de rupture de charge WO2011147717A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010022041 2010-05-25
DE102010022041.8 2010-05-25

Publications (1)

Publication Number Publication Date
WO2011147717A1 true WO2011147717A1 (fr) 2011-12-01

Family

ID=44317659

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/057971 WO2011147717A1 (fr) 2010-05-25 2011-05-17 Commutateur de rupture de charge

Country Status (1)

Country Link
WO (1) WO2011147717A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010045233A1 (de) 2010-09-10 2012-03-15 Siemens Aktiengesellschaft Lasttrennschalter
WO2014094806A1 (fr) * 2012-12-21 2014-06-26 Abb Technology Ag Appareillage de commutation moyenne tension comprenant un élément de pôle assemblé avec commutateur intégré à trois positions
EP2763152A1 (fr) * 2012-03-26 2014-08-06 ABB Technology AG Dispositif de commutation électrique et appareil électrique s'y rapportant
WO2014154286A1 (fr) * 2013-03-28 2014-10-02 Abb Technology Ltd Commutateur à couteau, dispositif de commutation comprenant un commutateur à couteau et appareillage de commutation
DE102013212190A1 (de) * 2013-06-26 2014-12-31 Siemens Aktiengesellschaft Schaltgerät
CN104335312A (zh) * 2012-06-25 2015-02-04 西门子公司 用于中压开关设备的三工位负荷隔离开关
CN107706032A (zh) * 2017-08-21 2018-02-16 安徽省颍上县正泰电器有限责任公司 一种三工位隔离开关
EP3843117A1 (fr) * 2019-12-24 2021-06-30 Elna Kabel d.o.o. Interrupteur coupe-charge sans gaz sf6 doté d'un interrupteur de circuit à vide pour systèmes de commutation moyenne tension

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129617A (en) * 1982-09-22 1984-05-16 Scott L & Electromotors Ltd Electrical isolating switch
EP0283949A2 (fr) * 1987-03-24 1988-09-28 Asea Brown Boveri Aktiengesellschaft Sectionneur sous charge à plusieurs positions pour installations à haute et moyenne tension
US4814559A (en) * 1986-04-03 1989-03-21 Sachsenwerk Aktiengesellschaft Electrical switching device for high switching voltages
EP0693763A1 (fr) * 1994-07-20 1996-01-24 Schneider Electric Sa Interrupteurs électriques moyenne tension
DE19751648A1 (de) 1997-11-21 1999-06-17 Hochspannungstechnik Peters & Mittelspannungs-Trennermesser-Lasttrennschalter mit Vakuum-Schaltkammern

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129617A (en) * 1982-09-22 1984-05-16 Scott L & Electromotors Ltd Electrical isolating switch
US4814559A (en) * 1986-04-03 1989-03-21 Sachsenwerk Aktiengesellschaft Electrical switching device for high switching voltages
EP0283949A2 (fr) * 1987-03-24 1988-09-28 Asea Brown Boveri Aktiengesellschaft Sectionneur sous charge à plusieurs positions pour installations à haute et moyenne tension
EP0693763A1 (fr) * 1994-07-20 1996-01-24 Schneider Electric Sa Interrupteurs électriques moyenne tension
DE19751648A1 (de) 1997-11-21 1999-06-17 Hochspannungstechnik Peters & Mittelspannungs-Trennermesser-Lasttrennschalter mit Vakuum-Schaltkammern

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010045233A1 (de) 2010-09-10 2012-03-15 Siemens Aktiengesellschaft Lasttrennschalter
EP2763152A1 (fr) * 2012-03-26 2014-08-06 ABB Technology AG Dispositif de commutation électrique et appareil électrique s'y rapportant
CN104335312A (zh) * 2012-06-25 2015-02-04 西门子公司 用于中压开关设备的三工位负荷隔离开关
WO2014094806A1 (fr) * 2012-12-21 2014-06-26 Abb Technology Ag Appareillage de commutation moyenne tension comprenant un élément de pôle assemblé avec commutateur intégré à trois positions
CN104871275A (zh) * 2012-12-21 2015-08-26 Abb技术股份公司 具有集成的三位置开关的组装极部件的中压开关装置
WO2014154286A1 (fr) * 2013-03-28 2014-10-02 Abb Technology Ltd Commutateur à couteau, dispositif de commutation comprenant un commutateur à couteau et appareillage de commutation
US9466955B2 (en) 2013-03-28 2016-10-11 Abb Schweiz Ag Knife switch, a switching device comprising a knife switch and a switchgear
CN105264627B (zh) * 2013-03-28 2017-03-22 Abb 技术有限公司 闸刀开关、包括闸刀开关的开关装置及开关设备
DE102013212190A1 (de) * 2013-06-26 2014-12-31 Siemens Aktiengesellschaft Schaltgerät
CN107706032A (zh) * 2017-08-21 2018-02-16 安徽省颍上县正泰电器有限责任公司 一种三工位隔离开关
EP3843117A1 (fr) * 2019-12-24 2021-06-30 Elna Kabel d.o.o. Interrupteur coupe-charge sans gaz sf6 doté d'un interrupteur de circuit à vide pour systèmes de commutation moyenne tension

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