EP2810288A1 - Appareil de commutation, en particulier sectionneur à coupure en charge - Google Patents

Appareil de commutation, en particulier sectionneur à coupure en charge

Info

Publication number
EP2810288A1
EP2810288A1 EP13707373.0A EP13707373A EP2810288A1 EP 2810288 A1 EP2810288 A1 EP 2810288A1 EP 13707373 A EP13707373 A EP 13707373A EP 2810288 A1 EP2810288 A1 EP 2810288A1
Authority
EP
European Patent Office
Prior art keywords
contact system
switching device
contact
extinguishing
main
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.)
Granted
Application number
EP13707373.0A
Other languages
German (de)
English (en)
Other versions
EP2810288B1 (fr
Inventor
Stefan Wolf
Rene Zlydnik
Marco Adelmann
Kristian Ermeler
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 EP2810288A1 publication Critical patent/EP2810288A1/fr
Application granted granted Critical
Publication of EP2810288B1 publication Critical patent/EP2810288B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
    • 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

Definitions

  • the invention relates to a switching device, in particular a switch-disconnector for medium-voltage switchgear, with a main contact system and an extinguishing contact system connected in series with the main contact system, wherein the main contact system and the extinguishing contact system are arranged linearly one behind the other.
  • Such a switching device in the form of a circuit breaker is known for example from EP 1 538 650 A2.
  • the disclosed therein switch disconnector has a linear arrangement of a main contact system for forming a dielectric isolating distance in an open state and a clear contact ⁇ system for extinguishing an arc in a Wegvor ⁇ gear, and each has for this purpose a separate drive with se ⁇ parater drive shaft for each of the two Contact systems.
  • Object of the present invention is to provide a switching device of the type mentioned, which has a simple and compact and therefore cost-effective design.
  • a single drive for initiating a drive movement in a single drive shaft of the switching device, wherein a single cam for transmitting the drive movement, a main contact system cam track for actuating the main contact system and an erase contact system cam track for actuating the erase contact system.
  • Main contact system and extinguishing contact system has, has a simple and compact structure, because the space for a second drive and a second drive shaft are not necessary, and the cost can be saved, so that the switching device also has a cost-effective design.
  • the switching device is arranged in a housing filled with an insulating medium, through which housing passages for electrical connection to a switchgear extend.
  • a housing filled with an insulating medium housing further leads to a compact construction of the switching device as a whole can be reduced by using a Isolationsmedi- around, for example, an insulating gas or a isolati ⁇ onswashkeit, the dimensions of the switching device, because such insulating gases or insulating liquids over have improved dielectric properties.
  • the switching device arranged in the housing the arrangement with a single cam disk and a single drive shaft also requires only a single passage for the drive shaft for introducing the drive movement into the housing, which also makes the switching device cost-effective.
  • the main contact system is formed by a linear disconnector with a displaceable in a sliding contact moving contact and a trained as a tulip contact fixed contact, which sliding contact is connected to a first terminal of the switching device.
  • the fixed contact of the main contact system is connected to a moving contact connecting pin of the extinguishing contact system, and a fixed contact of the extinguishing contact system connected to a second terminal of the switching device.
  • the moving contact terminal pin of the extinguishing contact system is coupled via an insulating rod by means of a first guide element with the extinguishing contact system cam track and the moving contact of the main contact system by means of a second Füh ⁇ tion element with the main contact system cam track.
  • a simple and compact design is possible because of the coupling by means of first and second guide element with the interposition of an insulating rod to moving contact terminal pin of the extinguishing contact system control of moving contact of the main contact system and moving contact terminal pin of the extinguishing contact system on a single cam is made possible with their curved paths.
  • the insulating rod for coupling the moving contact connecting bolt of the extinguishing contact ⁇ system with the extinguishing contact system cam track can be arranged differently, for example in a trained as a hollow body moving contact of Haupt.ssystems- tems, but the insulating rod can also be outside or next to the moving contact of the Main contact system and be moved via a suitable driver element, the moving contact terminal pin of the extinguishing contact system to a switching operation.
  • the extinguishing contact system cam track and the main contact system cam track are designed such that in an off ⁇ switching operation of the switching device after opening the Löschtive- system and extinguishing the arc, the main contact system with open extinguishing contact system is actuated, and at a switch-on of the switching device, the main contact system can be actuated when the extinguishing contact system is closed.
  • the extinguishing contact system curved path for a switch-on and a switch-off for example, the same slope
  • the main contact system curved path for a switch-on a different slope than for a switch-off, so that is ensured ⁇ tet, that at a switch-off of the switching device
  • the cam is rotatable by 360 °.
  • a cam rotatable by 360 ° it is possible in a simple manner to make the main contact system cam track different for a switch-on or a switch-off, or to provide with different gradients to ensure that when a switch-on, the main contact system until it is closed Erase contact system can be actuated, where, however, in a turn-off, the main contact system is actuated only when an opened quenching contact system and extinguished arc.
  • the drive is cost-effective, because a drive movement can be initiated only in one direction.
  • a grounding device is provided in the housing.
  • Such He ⁇ dung switching device in the same housing which has a se ⁇ Paraten drive, allows advantageously the grounding various switchgear parts of a medium-voltage switchgear in which the switching device is disposed, depending on the switching state of the switching device, for example with an open main contact system is a grounding of the Cable outlet possible or with closed main contact system and closed extinguishing contact system also a grounding of the busbar area of the switchgear is possible.
  • Figure 1 shows an exemplary embodiment of a switching device in egg ⁇ ner first switching position
  • Figure 2 the embodiment of the switching device of Fi ⁇ gur 1 in a second switching position.
  • Figure 1 shows a switching device 1 in the form of a circuit breaker ⁇ switch for medium voltage switchgear, which medium voltage switchgear are not shown in detail figuratively and have a busbar area and a Lucasab- gang area.
  • the switching device 1 has a
  • a main contact system 4 in the form of a linear circuit breaker is electrically connected in series to an extinguishing contact system 5 and arranged linearly behind it so that overall a linear arrangement of the switching device 1 results.
  • the main contact system 4 comprises a first sliding contact 6, which is electrically connected via a connecting element 7 with the Jardinabgangsan- circuit 3.
  • a moving contact 8 of the main contact system 4 is arranged between a Ausschaltstel ⁇ ment, which will be explained in more detail with reference to the figure 2 and a switching position shown in Figure 1 in the first sliding contact 6 slidably and forms a fixed contact 9, which becamebil ⁇ as tulip contact det is the main contact system 4.
  • the extinguishing contact system 5 comprises a moving contact connecting bolt 10, which is electrically lei ⁇ tend connected to a moving contact 11 of the extinguishing contact system and with the fixed contact 9 of the Hauptkon ⁇ is clock system in electrically conductive connection, and a fixed contact 12, which with the busbar connection
  • Main contact system 4 and extinguishing contact system 5 is thus a current path via the busbar terminal 2, the fixed contact 12 and the moving contact 11 of the extinguishing contact system 5 and the fixed contact 9 and the moving contact 8 of the Haupt.sys- system 4 and the connecting element 7 to the cable outlet connection
  • a cam 14 is rotatably connected to a drive shaft, not shown figuratively and about this with a figuratively also not shown drive for initiating a drive movement and has a quenching contact system cam track 15, a Hauptuttonsystem- cam track 16.
  • the extinguishing contact system cam track 15 is coupled via a first guide element 17 with the insulating rod 13 for transmitting the drive movement to the moving contact connection bolt 10, the main contact system cam track 16 via a second guide member 18 with the moving contact 8 of the main contact system 4 for transmitting the drive movement coupled.
  • the switching device 1 and the bus bar connector 2 and the cable outlet connection 3 are being ⁇ arranged in a housing 19 which is filled with an insulating medium, such as an insulating gas or an insulating liquid, can be arranged.
  • a grounding switch 20 is further arranged, which has a grounding fixed contact 21 in the form of another tulip contact wel ⁇ cher is connected to a located outside the housing ground contact terminal 22 for connection to ground potential.
  • the earthing switch 20 comprises a grounding contact 23, which slidably extends through a second sliding contact 24 and is coupled via a third guide element 25 with another cam 26 for initiating a drive movement by means of a grounding contact system cam track 27.
  • the second sliding contact 24 is conductively connected via a further connecting element 28 with the cable outlet connection 3.
  • the earthing switch 20 is in an open state
  • the main contact system 4 and the extinguishing contact system 5 of the switching device 1 are in their closed state.
  • a signal is transmitted to the drive of the switching device 1 in the presence of a corresponding switching condition on a control device of the switchgear, which leads to Ausure ⁇ ren rotational movement of the drive shaft and thus the cam 14 in the counterclockwise direction.
  • the rotational movement of the cam plate 14 is transmitted via the Löschumblesystem- cam track 15 and the main contact system cam track 16 and the first guide member 17 and the second guide member 18 on the insulating rod 13 and the moving contact 8, wherein the eraser contact system cam track 15 and the Main contact system cam track 16 are configured such that by their gradients during the turn-off first the deletion contact system cam track 15 transmits a movement to the insulating rod 13, which for opening the deletion contact system 5 by removing the Beweg
  • a signal to the drive for initiating a rotational movement in the drive shaft and the cam plate 14 is transmitted by the control unit in turn, which leads to the rotation of the cam 14 in a clockwise direction. Due to the different configuration of the main contact system cam track 16 for the switching-on of the main contact system 4 with a first section 29 and a second section 30 for
  • Extinguishing contact system 4 passes into its closed state before a movement of the cam plate 14 is transmitted via the two ⁇ th section 30 of the main contact system cam 16 on the second guide member 18 and thus the moving contact 8 of the main contact system 4.
  • This has the result that the clear contact system 5 is already in a closed state when the movable contact 8 of the Hauptkon ⁇ clock system 4 the fixed contact 9 extent approaches that an arc by the applied voltages is ignited.
  • the vacuum interrupter for the extinguishing contact system 5 as not einschaltfeste vacuum interrupter and thus a cost for For vacuum interrupter ⁇ .
  • the moving contact 8 is moved through the main contact system cam track 16 moves upward until it finally comes in conductive connection with the fixed contact 9 of the main contact system 4, so that in turn the switched state of the switching device 1, as described in Figure 1, is reached with the already closed extinguishing contact system 5.
  • a drive movement into the moving contact 23 of the earthing switch 20 can be introduced to form ei ⁇ ner conductive connection between the grounding fixed contact 21 and movable contact 23, so that when closed main contact system 4 and closed extinguishing contact system 5 a grounding of the entire switchgear area is possible or in geöff- ned main contact system 4 a grounding of at least the cable outlet terminal 3 and the associated switchgear parts is possible.
  • the cam plate 14 is shown as a cam with a limited rotation angle range for a reciprocating motion.

Landscapes

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

Abstract

L'invention concerne un appareil de commutation. L'invention vise à développer un appareil de commutation (1), en particulier un sectionneur à coupure en charge pour des installations de commutation à tension moyenne, comprenant un système de contact principal (4) et un système de contact d'extinction (5) monté en série par rapport au système de contact principal (4). Le système de contact principal (4) et le système de contact d'extinction (5) sont disposés linéairement l'un derrière l'autre, lequel appareil de commutation présentant une structure simple et compacte et donc également rentable. A cet effet, un seul entraînement est destiné à déclencher un mouvement d'entraînement dans un seul arbre d'entraînement de l'appareil de commutation (1). Un seul disque à came (14) destiné à transférer le mouvement d'entraînement comporte une piste de came de système de contact principal (16) destinée à actionner le système de contact principal (4) et une piste de came de système de contact d'extinction (15) destinée à actionner le système de contact d'extinction (5).
EP13707373.0A 2012-03-15 2013-03-01 Appareil de commutation, en particulier sectionneur à coupure en charge Active EP2810288B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012204049 2012-03-15
PCT/EP2013/054181 WO2013135505A1 (fr) 2012-03-15 2013-03-01 Appareil de commutation, en particulier sectionneur à coupure en charge

Publications (2)

Publication Number Publication Date
EP2810288A1 true EP2810288A1 (fr) 2014-12-10
EP2810288B1 EP2810288B1 (fr) 2019-12-04

Family

ID=47790218

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13707373.0A Active EP2810288B1 (fr) 2012-03-15 2013-03-01 Appareil de commutation, en particulier sectionneur à coupure en charge

Country Status (4)

Country Link
EP (1) EP2810288B1 (fr)
CN (1) CN104170040B (fr)
ES (1) ES2770800T3 (fr)
WO (1) WO2013135505A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105845494B (zh) * 2015-01-15 2019-05-10 施耐德电器工业公司 分流断路系统
DE102018102835B4 (de) 2018-02-08 2023-03-16 Maschinenfabrik Reinhausen Gmbh Schaltelement für Stufenschalter und Stufenschalter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1126779A (en) * 1966-08-01 1968-09-11 Ass Elect Ind A switching arrangement employing vacuum switches
DE2702962B2 (de) * 1977-01-25 1979-12-13 Elektrotechnische Werke Fritz Driescher & Soehne, Gmbh & Co, 8052 Moosburg Vakuum-Schaltgerät
IT1309626B1 (it) * 1999-11-03 2002-01-30 Vei Electric Systems Spa Dispositivo di sezionamento e interruzione, per cabine elettriche.
DE19958645C5 (de) * 1999-12-06 2011-05-26 Abb Technology Ag Hybridleistungsschalter
EP1538650B1 (fr) 2003-12-02 2017-11-08 Schneider Electric Energy Manufacturing Italia S.r.l. Sectionneur/disjoncteur pour sous-stations électriques
DE102005013231B3 (de) * 2005-03-18 2006-09-21 Siemens Ag Kurvenprofilschalter
DE102007038898B3 (de) * 2007-08-13 2008-11-20 Siemens Ag Schalteranordnung für eine Schaltanlage
DE102008045641B3 (de) * 2008-09-03 2010-05-06 Siemens Aktiengesellschaft Nockenwellenantrieb für eine Vakuumschaltröhre und Schaltgerät

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013135505A1 *

Also Published As

Publication number Publication date
CN104170040B (zh) 2017-03-08
ES2770800T3 (es) 2020-07-03
EP2810288B1 (fr) 2019-12-04
WO2013135505A1 (fr) 2013-09-19
CN104170040A (zh) 2014-11-26

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