WO2009021882A1 - Ensemble de commutateur pour installation de commutation - Google Patents

Ensemble de commutateur pour installation de commutation Download PDF

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Publication number
WO2009021882A1
WO2009021882A1 PCT/EP2008/060290 EP2008060290W WO2009021882A1 WO 2009021882 A1 WO2009021882 A1 WO 2009021882A1 EP 2008060290 W EP2008060290 W EP 2008060290W WO 2009021882 A1 WO2009021882 A1 WO 2009021882A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
switch arrangement
arrangement according
bolt
switch
Prior art date
Application number
PCT/EP2008/060290
Other languages
German (de)
English (en)
Inventor
Andreas Rössler
Rolf Weber
Markus Nink
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
Priority to EP08786898A priority Critical patent/EP2179429A1/fr
Publication of WO2009021882A1 publication Critical patent/WO2009021882A1/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
    • 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
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/38—Plug-and-socket contacts
    • H01H1/385—Contact arrangements for high voltage gas blast circuit breakers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5833—Electric connections to or between contacts; Terminals comprising an articulating, sliding or rolling contact between movable contact and terminal
    • 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
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
    • H01H31/32—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with rectilinearly-movable contact

Definitions

  • the invention relates to a switch assembly for a switchgear specified in the preamble of claim 1. Art.
  • Such a switch arrangement can already be taken from EP 0070794 A2 as known.
  • the vacuum interrupter and the moving contact of the circuit breaker are combined in one embodiment of the switch assembly, wherein the free end of the ⁇ moveable tubular bolt is designed as a frusto-conical indenter. This penetration contact acts after closing the circuit breaker with a receiving contact on ⁇ to ordered connection part together.
  • the vacuum interrupter is fixedly connected to one of the connecting parts via its immovable tubular bolt.
  • the free end of the movable tubular bolt is provided in this variant as Einschlagkon ⁇ tact with a frusto-conical taper.
  • the object of the invention is to provide a switch assembly for a switchgear according to the preamble of claim 1, which allows a particularly compact design of the Wegeran ⁇ order.
  • the switch assembly includes a vacuum interrupter and a circuit breaker, which are arranged in series in a current path between two constant spaced connection parts of the switchgear.
  • the vacuum switch tube is axially compensate ⁇ based on one of the two connecting parts.
  • the switch assembly further comprises a coaxially projecting from the vacuum interrupter, elongated guide body of the circuit breaker, the at least one sliding contact conductively connected to the guide body enclosing sleeve body in connection, and the separation distance to the opposite contact bridging feed of the moving contact in the course of the switching operation of the circuit breaker, which goes along with a corresponding linear displacement between the guide body and sleeve body.
  • the associated end of Vaku ⁇ changeover tube projecting guide body is a separator bolt whose end is constantly held in a distance corresponding to at least the intended separation distance to the contact of the other connector part, wherein the separator bolt as a linear guide for a moving contact of the circuit breaker tra ⁇ ing Separator sleeve is formed.
  • the basic idea of the invention is based on the consideration that only the space lying between the connecting parts is to be used for the switch arrangement by a separating contact sleeve carrying the moving contact being slidably guided along an associated separating bolt. Due to the telescopic interaction of the separator sleeve and the separator bolt, a compact design of the switch arrangement can be achieved in a simple manner. Also, the axial feed of the separator ⁇ bolt against the separator sleeve remains possible, which is required for the stroke of the vacuum interrupter.
  • a stable attachment of the separator bolt supporting vacuum interrupter is facilitated when mounted on the side of the fixed tubular bolt on the connector and its movable tubular bolt is connected to the splitter bolt.
  • a force application element in particular a drive element, is ⁇ arranges for the displacement drive of the tubular bolt, it can accurately inserted and his mitbeatty about Ver ⁇ binding agent of tube bolts and separator bolts.
  • a radial intermediate support of the disconnector bolt can take place.
  • the force application element characterizes the force application point for the drive and can be embodied in a suitable manner as a drive element.
  • a functionally reliable sliding contact between the separator bolt and separator sleeve is achieved by means of at least one Ringfeder ⁇ contact between the outer periphery of the separator bolt and the inner circumference of the separator sleeve. If the separator sleeve is supported by a plurality of axially offset ring spring contacts with radial prestressing, they can serve as the sole friction or sliding surfaces of the separator sleeve during axial feed.
  • a design which is particularly suitable for the spring-loaded contact is present when it has a circumferential helical spring winding in the form of a solid torus.
  • the end portion of the separator sleeve is tubular and carries on its inner circumference a radially resilient contact ring which encloses a cylindrical peripheral surface of the mating contact on the connection part with the circuit breaker closed.
  • a lamella contact ring with a constricted, resilient middle region or a ring spring contact as a peripheral helical spring winding in the form of a solid torus has proven to be particularly suitable for the auftre ⁇ border loads.
  • the separator bolt can be dimensioned sufficiently long, can be provided in the switch assembly in addition a grounding position of the separator sleeve on the release bolt.
  • a ground contact ring may expediently be arranged at a radial distance from the separating bolt, which earth ring contacts in the grounding position with a corresponding contact ring of the separating sleeve.
  • the contact ring of the separator sleeve can be preferably attached to the circumference of a radially projecting from the separator sleeve annular collar.
  • disconnecting sleeve can be assigned a drive independent of the switching drive of the vacuum interrupter.
  • the switch assembly according to the invention is particularly suitable for integration in cabinets, enclosures, containers or the like. suitable, since all movable components of the switch assembly are located between the end-side connecting parts. Thus, for the connection parts in each case a supporting wall bushing or the like can be provided. Due to the good integration ability containers with the switch assembly can easily and reliably seal, so that they are also highly suitable for known as such, gas-insulated container. Multipole switchgear can have several switch assemblies, which are housed together in a Isoliergas employer. In medium-voltage switchgear with such switch arrangements, the insulating gas container may advantageously be filled with sulfur hexafluoride (SF6) as an insulating gas.
  • SF6 sulfur hexafluoride
  • FIG. 1 shows a central longitudinal section through a switch arrangement in a schematic principle representation
  • FIG. 2 shows a perspective single view of a Ringfeder ⁇ contact the switch assembly
  • FIG. 3 shows a perspective single view of a lamella contact ring
  • FIG. 4 is a perspective oblique view of a multi-pole switch assembly of a gas-insulated medium voltage switchgear.
  • a visible in Figure 1 switch assembly 1 in particular for switchgear, comprises as main components a vacuum ⁇ interrupter 2 and a circuit breaker 3 in a direct linear arrangement, which are coaxially held between two rotationally symmetrical connection parts 4 and 5.
  • the consistent line- are arrangement is clearly visible due to the drawn central longitudinal axis ⁇ 6th
  • Both connecting parts 4 and 5 pass through an associated recess in an indicated ceiling plate 7 or bottom plate 8 of a container 9 and are via conical threaded sleeves / bushings or the like on the passage opening bounding edge region of the ceiling plate 7 and bottom plate 8 axially braced or welded.
  • the connecting parts 4 and 5 are fixed immovably in the distance shown from each other and form the
  • connection parts 4 and 5 also each include a centrally extending within the same electrode, wherein the electrode of the connection part 4 is provided for connection to a conventional Stromomsammeienien and that of the connection part 5 for a conventional cable connection.
  • the electrode of the connection part 4 protrudes downwards out of the lower threaded sleeve and is shaped into a mushroom-type contact 10, the head of which, when the end peripheral edges are rounded, has an approximately cylindrical peripheral surface.
  • the opposite electrode of the connecting part 5 is only slightly out of the screw, lies with its fixed contact face flat on the opposite end of the vacuum interrupter 2 and is fixed and as inseparable connected to the fixed tubular bolt 11 of the same.
  • the movable tubular bolt 12 protrudes from the vacuum interrupter 2 and engages with a cylindrical
  • Force application element 14 movable disconnector pin 13 switch including a drive kinematics, not shown, conventional design such.
  • B. a crank drive with servomotor can be provided.
  • the drawn feed path SV of the tubular bolt 12 corresponds to the maximum distance of the contacts of the vacuum interrupter. 2
  • the separating bolt 13 extends from the Kraftangriffsele ⁇ ment 14 starting with a constant diameter under coaxial course on the contact 10 and ends in a distance provided for the intended distance to the contact 10, wherein the feed path SV of the vacuum interrupter 2 must be considered.
  • a separator sleeve 17 is slidably guided on the separating bolt 13, with which a conductive connection between the separating bolt 13 and contact 10 can be produced.
  • the separator sleeve 17 is designed as a tubular sleeve and has at the bottom then a radially projecting annular collar 18 as an end region.
  • the lower end region of the separating sleeve 17 is slidably guided over two annular spring contacts 19 which are arranged offset in the axial direction and which each lie in a circumferential annular groove of the separating sleeve 17 and are thereby supported axially on the separating sleeve 17.
  • the annular collar is from the outer circumference surface 18, an annular groove recessed in which a similar ring spring contact 'is maintained with appropriate ⁇ speaking larger diameter 19th
  • the ring spring contact 19 or 19 ' consists of a spring wire with circular ⁇ cross-section, which is wound similar to a coil spring and the spring ends to an endless wire with each other are connected.
  • the winding axis runs circular and the diameter of the spring winding is constant.
  • the diameter of the spring ring contact 19 or 19 'but is dimensioned so that the spring ⁇ winding is under radial bias in the associated annular groove.
  • the separator sleeve 17 has a tubular shape, wherein on the inner circumference a blade contact ring 20 is attached to the separator sleeve 17.
  • the lamellar contact ring 20 is constructed. On its outer peripheral side it consists of a plurality of transverse lamellae of small width made of parallel flat strip material, which are distributed over the circumference of the contact ring 20 angeord ⁇ net, with their long narrow sides have only a small distance from each other. In the annular center plane of these cross blades lies on the inner peripheral side of a narrow circumferential central lamella, which leads to a central Ver ⁇ narrowing of the link band structure. This formed by the central lamella ring is covered by a plurality of also consisting of thin strip material transverse yokes, which are each secured with their ends to an opposite transverse lamella.
  • the separator sleeve 17 can be moved by means of a direction reversible actuator of known type, not shown, by a separation ST down to the OFF position and vice versa.
  • the stroke ST corresponding to the separation stroke is indicated by an arrow.
  • the required separation distance is present.
  • a grounding position of the separator sleeve 17 is provided at a distance below it, whereby the safety of the switch arrangement 1 is further improved.
  • the displacement SE to the grounding position is determined by a Erd Membershipring 21 which is arranged at a corresponding distance to the OFF position in coordination with the diameter of the spring ring contact 19 'concentric with the separating bolt 13 and grounded. If the separator sleeve 17 is moved via said positioning drive into the grounding position drawn with dotted lines, the annular collar 18 penetrates into the hollow cross-section of the earth contact ring 21, after which the earth connection is established via the ring spring contact 19 '.
  • a plurality of substantially identical switch assemblies 1 z. B. are provided for three switching poles, which are accommodated compactly in the container 9 in the overall arrangement.
  • the Erdkon- clock rings 21 can be easily positioned over a common hole ⁇ bottom 22 at the appropriate height.
  • the container 9 itself can be made compact and can hermetically seal easily due to the passages of the connecting parts 4 and 5.
  • the container 9 is also highly suitable for the Isoliergasbe colllung with volatile insulating gases such as SF6. LIST OF REFERENCE NUMBERS

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Abstract

L'invention concerne un ensemble de commutateur pour une installation de commutation, qui présente un tube sous vide de commutation (2) ainsi qu'un commutateur de séparation/raccordement à la terre (3) disposés en série dans un parcours de courant situé entre deux pièces de raccordement (4, 5) de l'installation de commutation maintenues à distance constante l'une de l'autre. Pour obtenir un ensemble de commutateur de structure particulièrement compacte, un goujon de séparation (13) dont l'extrémité est maintenue en permanence à une distance qui correspond au moins à la distance de séparation prévue par rapport au contact (10) de la pièce de raccordement (4) opposée déborde d'une extrémité du tube (2) de commutation sous vide qui est fixé par son autre extrémité à l'une des pièces de raccordement (4) et le goujon de séparation (13) est configuré comme guide linéaire pour une douille de séparation (17) qui porte le contact mobile du commutateur de séparation (3).
PCT/EP2008/060290 2007-08-13 2008-08-05 Ensemble de commutateur pour installation de commutation WO2009021882A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08786898A EP2179429A1 (fr) 2007-08-13 2008-08-05 Ensemble de commutateur pour installation de commutation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007038898.7 2007-08-13
DE200710038898 DE102007038898B3 (de) 2007-08-13 2007-08-13 Schalteranordnung für eine Schaltanlage

Publications (1)

Publication Number Publication Date
WO2009021882A1 true WO2009021882A1 (fr) 2009-02-19

Family

ID=39869076

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/060290 WO2009021882A1 (fr) 2007-08-13 2008-08-05 Ensemble de commutateur pour installation de commutation

Country Status (3)

Country Link
EP (1) EP2179429A1 (fr)
DE (1) DE102007038898B3 (fr)
WO (1) WO2009021882A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8859927B2 (en) 2008-11-26 2014-10-14 Siemens Aktiengesellschaft Vacuum switch having fixed rail terminals on both sides
WO2015024840A1 (fr) * 2013-08-19 2015-02-26 Siemens Aktiengesellschaft Système de contacts électriques

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008045641B3 (de) * 2008-09-03 2010-05-06 Siemens Aktiengesellschaft Nockenwellenantrieb für eine Vakuumschaltröhre und Schaltgerät
WO2011020507A1 (fr) * 2009-08-20 2011-02-24 Siemens Aktiengesellschaft Module de commutation pour un appareillage de commutation de moyenne tension et appareillage de commutation de moyenne tension
DE102011079969A1 (de) * 2011-07-28 2013-01-31 Siemens Aktiengesellschaft Schaltgerät
WO2013135505A1 (fr) * 2012-03-15 2013-09-19 Siemens Aktiengesellschaft Appareil de commutation, en particulier sectionneur à coupure en charge
DE202012012640U1 (de) * 2012-12-21 2013-10-01 Methode Electronics Malta Ltd. Auslösevorrichtung für ein Schütz
DE102018109750B4 (de) * 2018-04-23 2023-11-23 Fritz Driescher KG Spezialfabrik für Elektrizitätswerksbedarf GmbH & Co. Schaltvorrichtung
EP3876256B1 (fr) * 2020-03-05 2024-02-07 Siemens Aktiengesellschaft Dispositif de commutation pour la distribution d'énergie électrique
CN114429879B (zh) * 2021-12-16 2024-03-22 河南平高电气股份有限公司 一种隔离静触头及三工位隔离接地开关
EP4235721A1 (fr) * 2022-02-28 2023-08-30 Siemens Aktiengesellschaft Dispositif de commutation pour la distribution d'énergie électrique

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070794A2 (fr) * 1981-07-16 1983-01-26 Fuji Electric Co. Ltd. Disjoncteur avec interrupteur à vide
WO2001033593A1 (fr) * 1999-11-03 2001-05-10 Vei Power Distribution S.P.A. Appareil tripolaire a structure compacte pour stations electriques
EP1538650A2 (fr) * 2003-12-02 2005-06-08 VEI Power Distribution S.p.A. Sectionneur/disjoncteur pour sous-stations électriques
EP1632969A2 (fr) * 2004-09-07 2006-03-08 VEI Power Distribution S.p.A. Sectionneur pour sous-stations électriques

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006033209B3 (de) * 2006-07-13 2007-11-08 Siemens Ag Schalter für eine Schaltanlage der Energieversorgung und -verteilung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070794A2 (fr) * 1981-07-16 1983-01-26 Fuji Electric Co. Ltd. Disjoncteur avec interrupteur à vide
WO2001033593A1 (fr) * 1999-11-03 2001-05-10 Vei Power Distribution S.P.A. Appareil tripolaire a structure compacte pour stations electriques
EP1538650A2 (fr) * 2003-12-02 2005-06-08 VEI Power Distribution S.p.A. Sectionneur/disjoncteur pour sous-stations électriques
EP1632969A2 (fr) * 2004-09-07 2006-03-08 VEI Power Distribution S.p.A. Sectionneur pour sous-stations électriques

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8859927B2 (en) 2008-11-26 2014-10-14 Siemens Aktiengesellschaft Vacuum switch having fixed rail terminals on both sides
WO2015024840A1 (fr) * 2013-08-19 2015-02-26 Siemens Aktiengesellschaft Système de contacts électriques

Also Published As

Publication number Publication date
DE102007038898B3 (de) 2008-11-20
EP2179429A1 (fr) 2010-04-28

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