EP2766914B1 - Contacteur - Google Patents

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Publication number
EP2766914B1
EP2766914B1 EP12799517.3A EP12799517A EP2766914B1 EP 2766914 B1 EP2766914 B1 EP 2766914B1 EP 12799517 A EP12799517 A EP 12799517A EP 2766914 B1 EP2766914 B1 EP 2766914B1
Authority
EP
European Patent Office
Prior art keywords
contact
contact system
extinguishing
switch
vacuum interrupter
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
EP12799517.3A
Other languages
German (de)
English (en)
Other versions
EP2766914A1 (fr
Inventor
Stefan Wolf
Rene Zlydnik
Stefan Hohmann
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP2766914A1 publication Critical patent/EP2766914A1/fr
Application granted granted Critical
Publication of EP2766914B1 publication Critical patent/EP2766914B1/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
    • 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
    • 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
    • H01H33/127—Load break switches comprising a separate circuit breaker movable with a sectionalising contact arm and operated by such movement
    • 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
    • H01H2239/00—Miscellaneous
    • H01H2239/006—Containing a capacitive switch or usable as such

Definitions

  • the invention relates to a three-position circuit breaker for medium voltage switchgear with a quenching contact system for extinguishing an arc at a switch-off of the switching device and a main contact system connected in series to the quenching system for forming a dielectric separation gap in an open state of the main contact system and extinguished arc, and a grounding contact system.
  • FIG DE-U-202010009448 An example of a three-position circuit breaker is shown in FIG DE-U-202010009448 disclosed.
  • Object of the present invention is to provide a switching device of the type mentioned, which has a compact design. This is achieved in a three-position circuit breaker of the type mentioned above in that the main contact system a first fixed contact and a second fixed contact, which are diametrically opposed, and a Having by means of a centrally disposed between the first and second fixed contact rotary support rotatable moving contact with it integrated extinguishing contact system.
  • the three-position circuit breaker according to the invention is in other words in the form of a three-position load disconnect rotary switch with diametrically opposed first and second fixed contact and a rotatable by means of a centrally disposed between the first and second fixed contact drive shaft moving contact, which for selectively forming a conductive connection between the first and the second fixed contact or for interrupting the connection between the first and the second fixed contact, and has by the integrated in the rotatable moving contact extinguishing contact system of a compact construction, because the extinguishing contact system is part of the moving contact of the main contact system, so that the space requirement is significantly reduced compared to separate, spatially sequentially arranged components.
  • Such trained load-disconnect rotary switch can be arranged in a filled with an insulating gas, such as N2 or the like, container of a medium-voltage switchgear.
  • the extinguishing contact system is formed by a vacuum interrupter, wherein a moving contact terminal bolt of the vacuum interrupter has a guide element, by means of a curved path of the switching device, a drive movement for opening or closing the extinguishing contact system can be introduced.
  • the guide element arranged in the moving contact connecting bolt of the vacuum interrupter in cooperation with the curved path of the switching device, which may be provided, for example, on a pole housing of one pole of the switching device, initiates a drive movement as a forced movement into the moving contact connecting bolt in a simple manner in that when executing a rotary movement of the moving contact of the main contact system, the extinguishing contact system in the form of the vacuum interrupter in a simple manner by embodiment the curved path can be made according to the requirements of the switching device for opening or closing the extinguishing contact system.
  • the curved path for initiating the drive movement in the moving contact connection pin for closing the extinguishing contact system during the rotational movement of a switching of the switching device is designed such that a Einschaltlichtbogen is ignitable only in the main contact system.
  • the ground contact system is formed by a ground contact, a ground counter contact, which are diametrically opposed, and the rotatable moving contact.
  • FIG. 1 shows a Dreiwolfslasttrenn-rotary switch 1 with a first fixed contact 2, for example, provided for connection to a busbar connection of a switchgear not shown figuratively and the first fixed contact 2 diametrically opposite second fixed contact 3, which is provided, for example, for connection to an outgoing terminal of the switchgear.
  • a rotatable moving contact 4 is coupled by means of a centrally disposed between the first fixed contact 2 and the second fixed contact 3 rotary support 5 with a drive shaft not shown figuratively for initiating a rotational movement in the rotary support 5 and execution of a rotary movement of the rotary Beweg Membershipes 4 and provided for selectively forming a conductive connection between the first fixed contact 2 and the second fixed contact 3, as in the FIG.
  • the moving contact terminal pin 9 of the vacuum interrupter 7 is mechanically coupled to a switching bridge 10 which is provided for actuating the BewegCount connecting pin 9 of the vacuum interrupter 7 and for initiating a drive movement in the moving contact terminal pin 9 for opening or closing the extinguishing contact system of the vacuum interrupter 7
  • the switching bridge 10 has for this purpose a guide element 11 in the form of, for example, a roller or a projection, which guide element 11 engages in a cam track 12 of a pole housing 13, so that upon initiation of a rotational movement in the rotatable moving contact 4 via the guide member 11, a forced movement into the moving contact
  • a guide sleeve 14 is provided for the axial guidance of the moving contact connecting bolt 9 and for receiving radial loads of the vacuum interrupter 7.
  • FIG. 1 is the switching device 1 of FIG. 1 shown in a closed position, in which the rotatable moving contact 4 is in a closed position in contact with the first fixed contact 2 and the second fixed contact 3 in a 0 ° position and the extinguishing contact system of the vacuum interrupter 7 with the LöschbewegCount 17 and the erase contact 18 itself also in its closed position.
  • a control unit not shown, a rotational movement in the drive shaft and the coupled to the drive shaft rotary support 5 is introduced, so that the rotatable moving contact 4 in the open position after a rotation of about 45 ° counterclockwise as in FIG.
  • FIG. 3 shows the switching device 1 in a grounding position, wherein after with reference to the FIG. 2 60 ° to the rotation of the rotary support 5, the guide element 11 of the switching bridge 10 in the curved path 12 of the pole housing 13 is caused to another forced movement and the moving contact terminal pin 9 of the extinguishing contact system the vacuum interrupter 7 for closing the extinguishing contact system from ErschbewegCount 17 and erase contact 18 causes.
  • the moving contact 4 passes on the one hand in conductive connection with a ground contact counter 19, which in turn is electrically connected to the second fixed contact 3, and on the other hand in conductive connection with the ground contact 6, so that when the extinguishing contact system of the vacuum interrupter 7 in the FIG. 3 shown grounding position is achieved with a ground of connected to the second fixed contact components of the switchgear.
  • FIG. 4 shows a three-pole version of a load-disconnect rotary switch 1 with three individual poles according to the in the FIGS. 1 to 3 described three-position circuit breaker 1, which are coupled to each other via coupling elements 20, so that via the coupling elements 20 and the connection of the respective outer sides of the rotary support 5 on coupling sides 21 to a drive shaft not shown figuratively, a synchronous switching operation for all three phases is executable.
  • the grounding contacts 6 of the three phases are connected via a connecting element 22 to each other and to ground potential.
  • a switching device 1 has been described in which the vacuum interrupter 7 is designed as a non-switch-on vacuum interrupter, ie the vacuum interrupter 7 is already closed during a switch-on of the switching device 1, before a Einschaltlichtbogen ignited on the main contact system becomes.
  • a vacuum interrupter which does not turn on and thus can not be switched to a load current or a short circuit, is particularly inexpensive and therefore advantageous.
  • the switching device 1 is preferably provided for arrangement in a filled with an insulating gas, such as N2, gas space of a medium voltage switchgear.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Breakers (AREA)

Claims (4)

  1. Interrupteur (1) à coupure en charge à trois positions pour des installations de distribution de moyenne tension, comprenant un système (7) de contact d'extinction pour l'extinction d'un arc électrique lors d'une opération de déconnexion de l'appareil (1) de coupure et un système de contact principal, monté en série avec le système (7) de contact d'extinction, pour constituer une section de coupure diélectrique dans un état ouvert du système de contact principal et alors que l'arc électrique est éteint, et un système de contact de mise à la terre,
    caractérisé en ce que
    le système de contact principal a un premier contact (2) fixe et un deuxième contact (3) fixe, qui sont opposés diamétralement, ainsi qu'un contact (4) mobile tournant au moyen d'un support (5) de rotation monté au milieu, entre le premier contact (2) fixe et le deuxième contact (3) fixe, et en ce que le système (7) de contact d'extinction est intégré au contact (4) mobile tournant.
  2. Interrupteur (1) à coupure en charge à trois positions suivant la revendication 1,
    caractérisé en ce que
    le système de contact d'extinction est formé par un tube (7) de commutation à vide, un axe (9) de connexion de contact mobile du tube (7) de commutation à vide ayant un élément (11) de guidage, par lequel un mouvement d'entraînement, pour l'ouverture et la fermeture du système de contact d'extinction, peut être commandé au moyen d'une piste (12) incurvée de l'appareil (1) de coupure.
  3. Interrupteur (1) à coupure en charge à trois positions suivant la revendication 1 ou 2,
    caractérisé en ce que
    la piste (12) incurvée, pour la commande du mouvement d'entraînement de l'axe (9) de connexion du contact mobile est constituée pour la fermeture du système de contact d'extinction pendant le mouvement de rotation d'une opération de connexion de l'appareil de coupure, de manière à ce qu'un arc électrique de connexion ne puisse être amorcé que dans le système de contact principal.
  4. Interrupteur (1) à coupure en charge à trois positions suivant l'une des revendications précédentes,
    caractérisé en ce que
    le système de contact de mise à la terre est formé par un contact (6) de mise à la terre, par un contact (19) antagoniste de mise à la terre, qui sont opposés diamétralement, ainsi que par le contact (4) mobile tournant.
EP12799517.3A 2011-12-02 2012-11-21 Contacteur Active EP2766914B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011087630.8A DE102011087630B4 (de) 2011-12-02 2011-12-02 Schaltgerät
PCT/EP2012/073260 WO2013079381A1 (fr) 2011-12-02 2012-11-21 Contacteur

Publications (2)

Publication Number Publication Date
EP2766914A1 EP2766914A1 (fr) 2014-08-20
EP2766914B1 true EP2766914B1 (fr) 2017-01-18

Family

ID=47356002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12799517.3A Active EP2766914B1 (fr) 2011-12-02 2012-11-21 Contacteur

Country Status (5)

Country Link
EP (1) EP2766914B1 (fr)
CN (1) CN103959417B (fr)
DE (1) DE102011087630B4 (fr)
IN (1) IN2014KN01104A (fr)
WO (1) WO2013079381A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104810186B (zh) * 2014-11-18 2017-09-29 平高集团有限公司 一种动触头单元及使用该动触头单元的三工位开关
CN110718415B (zh) * 2018-07-12 2021-11-16 平高集团有限公司 一种真空断路器
CN112185719A (zh) * 2019-07-05 2021-01-05 北京京人电器有限公司 一种负荷开关
CN112563065B (zh) * 2020-09-24 2021-12-17 河南平高电气股份有限公司 一种静端组件及隔离接地开关
FR3121267A1 (fr) 2021-03-24 2022-09-30 Schneider Electric Industries Sas Système de coupure d’un appareil électrique
EP4089704A1 (fr) * 2021-05-13 2022-11-16 ABB Schweiz AG Appareil de commutation moyenne tension
EP4089705A1 (fr) * 2021-05-13 2022-11-16 ABB Schweiz AG Appareil de commutation moyenne tension

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2469203A (en) * 1945-12-04 1949-05-03 Gen Electric Electric switch
DE2818914A1 (de) * 1978-04-28 1979-10-31 Siemens Ag Schalterkombination fuer sammelschienenanlagen
DE3528770A1 (de) * 1985-08-10 1987-02-19 Driescher Eltech Werk Mittelspannungs-schaltanlage
DE202010009448U1 (de) * 2010-06-23 2010-09-09 Ipt International Power & Technology Gmbh Hochspannungsschaltvorrichtung
CN102157294B (zh) * 2011-03-31 2013-09-04 厦门科力特电气有限公司 三工位隔离接地开关
DE102011017815B3 (de) * 2011-04-29 2012-10-11 Siemens Aktiengesellschaft Schaltgerät

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
IN2014KN01104A (fr) 2015-10-09
CN103959417A (zh) 2014-07-30
WO2013079381A1 (fr) 2013-06-06
CN103959417B (zh) 2017-06-16
DE102011087630B4 (de) 2016-11-03
DE102011087630A1 (de) 2013-06-06
EP2766914A1 (fr) 2014-08-20

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