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EP2801101B1 - Appareillage de coupure - Google Patents

Appareillage de coupure Download PDF

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Publication number
EP2801101B1
EP2801101B1 EP13703377.5A EP13703377A EP2801101B1 EP 2801101 B1 EP2801101 B1 EP 2801101B1 EP 13703377 A EP13703377 A EP 13703377A EP 2801101 B1 EP2801101 B1 EP 2801101B1
Authority
EP
European Patent Office
Prior art keywords
hollow
volume vessel
arrangement
switching
volume
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
EP13703377.5A
Other languages
German (de)
English (en)
Other versions
EP2801101A1 (fr
Inventor
Radu-Marian Cernat
Volker Lehmann
Andrzej Nowakowski
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
Siemens Corp
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, Siemens Corp filed Critical Siemens AG
Publication of EP2801101A1 publication Critical patent/EP2801101A1/fr
Application granted granted Critical
Publication of EP2801101B1 publication Critical patent/EP2801101B1/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
    • 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
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
    • 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
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H2033/888—Deflection of hot gasses and arcing products
    • 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
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/342—Venting arrangements for arc chutes

Definitions

  • the invention relates to a switching device arrangement according to the preamble of claim 1, such a switching device arrangement is known from US 5,793,597 known.
  • the local switching device arrangement comprises an interrupter unit with a switching path and with relatively movable switching contact pieces.
  • a switching gas channel is provided, which originates in the switching path and runs through the interrupter unit.
  • the switching gas channel is delimited by a hollow-volume vessel arrangement which is connected to one of the contact pieces.
  • the switching gas channel in the interior of the vessel arrangement is designed in such a way that the switching gas channel is deflected several times by encompassing elements arranged substantially coaxially. This makes it possible to swirl hot switching gas along the flow path with cold insulating gas and finally to let this swirling switching gas flow into the environment of the interrupter unit. Due to the coaxial arrangement of the elements embracing each other, the switching gas is in the axial direction pushed out. For positioning the interrupter unit insulators are provided, against which is emitted from the switching gas channel leaking switching gas. Likewise, electrical connections which serve to integrate the interrupter unit into an electrical network are exposed to the expelled switching gas.
  • the object is achieved with a switching device arrangement of the type mentioned above in that the hollow volume vessel arrangement is penetrated by a shell body which divides the switching gas channel shell-shaped, wherein the tube body has at least one passage opening on the shell side, via which shells separated by the tubular body communicate with each other, and wherein the outlet opening and the passage opening are arranged offset to one another.
  • a switching device arrangement serves to establish or interrupt a current path.
  • the switchgear assembly comprises an interrupter unit with relatively movable switching contact pieces.
  • the switching contact pieces produce a current path in the contacted state and secure an insulating path of the switching device arrangement in the separated state.
  • a switching path is arranged within which are performed, for example, resulting in a switching operation switching arcs.
  • the switching path is the space within which a contacting / separation of contact areas of the relatively movable switching contact pieces takes place.
  • the switching path can be within a switching chamber. For example, a switching chamber limits the space in which an arc can burn.
  • a switching arc occurs, for example, as a rollover during a switch-on and as a switch-off during a switch-off.
  • the switching contact pieces can be designed, for example, as rated current contact pieces, as arcing contact pieces or as combined nominal and arcing contact pieces. Especially in high voltage use when switching high power, it is advantageous to use separate Nennstrom- and arcing contact pieces, so that in the ON state, a rated current is preferably performed on low-resistance rated current contact pieces.
  • arcs occurring during a turn-off operation or a turn-on operation are preferably routed to the arcing contact pieces, which have a high resistance to thermal effects of an arc.
  • the switching contact pieces may preferably be linearly displaceable with respect to one another, so that a linear movement is necessary for producing or canceling an electrically conductive connection between the switching contact pieces.
  • bolt-shaped switching contact pieces have proven to be advantageous, which are aligned with its bolt longitudinal axis coaxial with a counter-shaped bush-shaped switching contact piece. It can be provided that for generating a relative movement, only one of the switching contact pieces is driven and the other switching contact piece remains at rest. However, it can also be provided that both switching contact pieces are movably mounted.
  • a switching gas channel is set up, which rises in the switching path and has an inlet opening in the region of the switching path.
  • the switching gas channel can extend exclusively on a potential side of the switching path. This counteracts a potential carryover across the switching path.
  • the switching gas channel is limited at least in sections by the hollow-volume vessel arrangement.
  • Hollow bodies which receive and direct the switching gas in their interior are suitable as a hollow-volume vessel arrangement.
  • Such a hollow body for example, each substantially balloon-shaped, bottle-shaped, rotationally symmetrical, hollow cylindrical, etc. be formed.
  • This hollow-volume vascular system must have a corresponding resistance to pressures originating from the switching gas as well as thermal stresses.
  • the hollow-volume vessel assembly should provide after a transgression of the switching gas from the switching path a portion of the switching gas channel available, in which the switching gas can relax, ie expand and swirl.
  • the hollow-volume vessel arrangement should serve as an expansion volume.
  • the hollow-volume vessel arrangement can be formed in one or more pieces.
  • the hollow-volume vessel arrangement can have a basic body, for example in the manner of a hood, which, for example, is preferably substantially rotationally symmetrical.
  • the hollow-volume vessel arrangement has a relation to the switching distance increased volume, so that within the hollow volume Vessel arrangement is formed a relaxation volume, in which the switching gas can experience a pressure reduction and temperature reduction.
  • the hollow-volume vessel arrangement as well as the switching path should be filled with an electrically insulating fluid.
  • insulating gases or insulating liquids are suitable as electrically insulating fluids. Nitrogen and sulfur hexafluoride have proven to be advantageous.
  • the insulating fluid located in the switching path and the hollow-volume vessel arrangement can be excessively high in its pressure.
  • the insulating fluoride should preferably flow around the interrupter unit and flush through the interrupter unit.
  • the insulating fluid located outside the interrupter unit forms the surroundings of the interrupter unit, wherein the switching gas channel discharges the switching gas which has been transferred from the switching path into the environment of the interrupter unit. Via the outlet opening, the switching gas leaves the switching gas channel and enters the environment. It may be provided to use one or more outlet openings.
  • the switching gas is introduced into the switching gas channel.
  • the switching gas channel can be limited, for example, by a switching contact piece.
  • a possibility is given to initiate the switching gas in a short way directly at the place of its formation in the switching gas channel.
  • the switching gas channel extends in the interior of the hollow-volume vessel arrangement, wherein within the hollow-volume vessel arrangement, the switching gas can perform an expansion. As a result of the expansion, swirling takes place with the (cold) electrically insulating fluid located in the interior of the hollow-volume vessel arrangement.
  • the region of the generation of the switching gas namely in the region of the contact piece connected to the hollow-volume vessel arrangement and the region of the outlet opening of the switching gas in the surroundings of the interrupter unit, are to be spaced as far as possible from each other, so that the switching gas can mix and cool inside the hollow volume vessel assembly.
  • the course of the switching gas channel prevents direct penetration of a gas flowing through the hollow-volume vessel arrangement switching gas.
  • the switching gas should be forcibly deflected at least once by at least 90 ° in order to be discharged from an axial inflow direction into a radial outflow direction through an outlet opening in the shell of the hollow-volume vessel arrangement.
  • the switching gas should preferably enter the hollow-volume vessel arrangement in the axial direction and flow out of the hollow vessel arrangement in a radial direction. It has proven to be advantageous to carry out the hollow-volume vessel arrangement as a substantially hollow cylinder, in particular substantially rotationally symmetrical hollow cylinder are advantageous.
  • a substantially hollow cylinder is considered to be a hollow body extending along a cylinder axis, which may also have different cross sections in the course of the cylinder axis and which, for example, may have additional requirements on the front side.
  • the switching gas should preferably be blown in the direction of the cylinder axis in the hollow-volume vessel arrangement, wherein the shell-side outlet opening of the switching gas channel in a cylinder axis enclosed in the self-encompassing wall, so a shell of the hollow-volume vessel arrangement is arranged.
  • the hollow-volume vessel arrangement can essentially have a bottle-shaped structure, wherein the inlet opening of the switching gas channel is arranged on the front side on a cross-section reduced bottleneck and an outlet opening on the bottom of the bottle is arranged on the shell side.
  • the hollow-volume vessel arrangement can be hood-shaped at least in sections, ie, have a substantially hollow-cylindrical structure, with cross-sections varying along the cylinder axis being possible. So it is possible, for example, a radially extended hood with z. B. at least partially conical structure to use.
  • the hollow-volume vessel arrangement has a substantially cup-shaped valve body at the second end.
  • An armature body serves for a dielectric closure of the hollow-volume phase conductor arrangement at its second end facing away from the first end.
  • the fitting body should have a dielectrically favorable shape in order to prevent discharge phenomena.
  • the fitting body can be formed in particular substantially pot-shaped.
  • the fitting body can also have different dielectrically favorable shapes.
  • the fitting body can also be cup-shaped only in a section and also have further shape.
  • An armature body can advantageously be set up to connect the hollow-volume vessel arrangement with a further contact element, so that the interrupter unit can be looped into a current path to be interrupted.
  • the fitting body can be configured correspondingly conductive, in particular, a pot shape in terms of its dielectric properties is advantageous.
  • the fitting body starting from a pot bottom, with the shell side surrounding the bottom of the pot surrounding jacket walls should open to the switching path.
  • This makes it possible to connect the fitting body, for example, with a base body, wherein the pot-shaped surrounding volume of the valve body together with the main body of the hollow volume vessel arrangement provides a volume for forming the switching gas channel.
  • the main body may be designed in the manner of a hood, wherein the hood opens in the direction of the valve body and the cup-shaped valve body opens in turn towards the base body.
  • the openings of the hood and the cup-shaped valve body may preferably sealing each other, the inner Volume of the hollow volume vessel assembly abut each other bordering or embrace each other.
  • the volume bounded by the hollow-volume vessel arrangement and limited can be increased.
  • the possibility is given to connect variously dimensioned components to a hollow-volume vessel arrangement.
  • a position for contacting the interrupter unit may be set differently on the fitting body.
  • the fitting body is free of electrical connection components, so that the fitting body only provides a volume which, together with a further body or several further bodies, delimits the hollow-volume vessel arrangement.

Landscapes

  • Circuit Breakers (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Studio Devices (AREA)

Claims (10)

  1. Appareillage de coupure comportant une unité (4) d'interruption, ayant une première et une deuxième pièce (5, 6, 7, 8) de contact de coupure, qui sont mobiles l'une par rapport à l'autre, ainsi que comprenant un canal pour du gaz de coupure, qui s'échappe dans une section de coupure pouvant se former entre les pièces (5, 6, 7, 8) de contact de coupure, qui s'étend dans l'unité (4) d'interruption et qui relie la section de coupure à ce qui entoure l'unité (4) d'interruption et qui est délimité, au moins par tronçon, par un agencement (14) de récipient à volume creux, qui est relié à une première extrémité à l'une des pièces (6, 8) de contact, l'agencement (14) de récipient à volume creux ayant, à une deuxième extrémité opposée à la première extrémité, une ouverture (22) de sortie, du côté latéral, du canal de gaz de coupure dans ce qui est autour de l'unité (4) d'interruption, dans lequel
    l'agencement (14) de récipient à volume creux a, à la seconde extrémité, une pièce (16) d'armature, constituée sensiblement en forme de pot,
    caractérisé en ce que
    l'agencement (14) de récipient à volume creux est traversé du côté de la surface latérale intérieure par une pièce (17) tubulaire subdivisant en forme de coque le canal pour le gaz de coupure, la pièce (17) tubulaire ayant, du côté de la surface latérale, au moins une ouverture (21) traversante, par laquelle des coques (18, 19), séparées par la pièce (17) tubulaire, peuvent communiquer entre elles et l'ouverture (22) de sortie et l'ouverture (21) traversante sont disposées de manière décalée l'une par rapport à l'autre.
  2. Appareillage de coupure suivant la revendication 1,
    caractérisé en ce que
    l'ouverture (22) de sortie du côté de la surface latérale est délimité au moins en partie, notamment complètement, par la pièce (16) d'armature.
  3. Appareillage de coupure suivant l'une des revendications 1 ou 2,
    caractérisé en ce qu'
    un contact (23) à enfichage est disposé sur la pièce (16) d'armature.
  4. Appareillage de coupure suivant l'une des revendications précédentes,
    caractérisé en ce que
    la pièce (17) tubulaire a, du côté de la surface latérale, au moins une ouverture (21) traversante, qui est enjambée par l'agencement (14) de récipient à volume creux, en étant notamment à distance de la pièce (16) d'armature.
  5. Appareillage de coupure suivant l'une des revendications précédentes,
    caractérisé en ce que
    la pièce (17) tubulaire enjambe à distance l'ouverture (22) de sortie du canal pour du gaz de coupure.
  6. Appareillage de coupure suivant l'une des revendications précédentes,
    caractérisé en ce que
    la pièce (17) tubulaire pénètre, en étant appuyée à porte à faux sur la pièce (16) d'armature, dans l'agencement (14) de récipient en volume creux.
  7. Appareillage de coupure suivant l'une des revendications 1 à 6,
    caractérisé en ce qu'
    une coque (18) du canal pour du gaz de coupure de section transversale annulaire est délimitée entre la pièce (17) tubulaire et l'agencement (14) de récipient à volume creux, la coque (18) étant constituée de manière à ce que la résistance à l'écoulement de la coque (18) annulaire soit plus petite à la première extrémité de l'agencement (14) de récipient à volume creux qu'à la seconde extrémité de l'agencement (14) de récipient à volume creux.
  8. Appareillage de coupure suivant la revendication 7,
    caractérisé en ce que,
    sur l'agencement (14) de récipient à volume creux, la coque (18) annulaire est délimitée à la seconde extrémité par la pièce (16) d'armature et à la première extrémité par une hotte (15) recevant l'armature (16) du côté frontal.
  9. Appareillage de coupure suivant l'une des revendications 1 à 8,
    caractérisé en ce que
    l'agencement (14) de récipient à volume creux est un agencement à conducteur de phase, qui est contacté électriquement par l'une des pièces (6, 8) de contact.
  10. Appareillage de coupure suivant l'une des revendications 1 à 9,
    caractérisé en ce qu'
    au moins l'une des pièces (6, 8) de contact est portée par l'agencement (14) de récipient à volume creux.
EP13703377.5A 2012-02-16 2013-02-05 Appareillage de coupure Active EP2801101B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012202408A DE102012202408A1 (de) 2012-02-16 2012-02-16 Schaltgeräteanordnung
PCT/EP2013/052234 WO2013120733A1 (fr) 2012-02-16 2013-02-05 Appareillage de coupure

Publications (2)

Publication Number Publication Date
EP2801101A1 EP2801101A1 (fr) 2014-11-12
EP2801101B1 true EP2801101B1 (fr) 2018-11-14

Family

ID=47681878

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13703377.5A Active EP2801101B1 (fr) 2012-02-16 2013-02-05 Appareillage de coupure

Country Status (7)

Country Link
US (1) US9396891B2 (fr)
EP (1) EP2801101B1 (fr)
CN (1) CN104115251B (fr)
DE (1) DE102012202408A1 (fr)
MX (1) MX337102B (fr)
RU (1) RU2631259C2 (fr)
WO (1) WO2013120733A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112017904B (zh) * 2019-05-28 2022-08-12 河南平芝高压开关有限公司 断路器及其静侧尾部气流通道结构
DE102024205100A1 (de) * 2024-06-03 2025-12-04 Siemens Energy Global GmbH & Co. KG Elektrische Schalteinrichtung
DE102024205102A1 (de) * 2024-06-03 2025-12-04 Siemens Energy Global GmbH & Co. KG Elektrische Schalteinrichtung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5793597A (en) * 1995-01-20 1998-08-11 Hitachi, Ltd. Puffer type gas breaker

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EP0075668B1 (fr) * 1981-09-30 1987-01-07 Sprecher Energie AG Disjoncteur à gaz comprimé
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JPS62216127A (ja) * 1986-03-17 1987-09-22 株式会社日立製作所 パツフア形ガス遮断器
JP2910582B2 (ja) * 1994-10-31 1999-06-23 日新電機株式会社 電力用ガス遮断器
DE29607660U1 (de) * 1996-04-22 1996-06-20 Siemens AG, 80333 München Unterbrechereinheit eines Hochspannungs-Leistungsschalters
GB2332566B (en) * 1997-12-19 2001-09-19 Rolls Royce Power Eng Electrical circuit breaker
DE19928080C5 (de) * 1999-06-11 2006-11-16 Siemens Ag Hochspannungsleistungsschalter mit einem Abströmkanal
JP4218216B2 (ja) * 2001-02-22 2009-02-04 株式会社日立製作所 ガス遮断器
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DE10221580B3 (de) 2002-05-08 2004-01-22 Siemens Ag Unterbrechereinheit eines Hochspannungs-Leistungsschalters
DE502005009041D1 (de) * 2005-09-26 2010-04-01 Abb Technology Ag Hochspannungsschalter mit verbesserter Schaltleistung
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EP2299464B1 (fr) * 2009-09-17 2016-08-31 ABB Schweiz AG Commutateur à auto-extinction doté d'une vanne de remplissage et d'un clapet de décharge
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US5793597A (en) * 1995-01-20 1998-08-11 Hitachi, Ltd. Puffer type gas breaker

Also Published As

Publication number Publication date
CN104115251B (zh) 2017-06-30
EP2801101A1 (fr) 2014-11-12
RU2631259C2 (ru) 2017-09-20
RU2014137327A (ru) 2016-04-10
DE102012202408A1 (de) 2013-08-22
WO2013120733A1 (fr) 2013-08-22
MX2014009882A (es) 2014-11-13
MX337102B (es) 2016-02-09
US20150034601A1 (en) 2015-02-05
US9396891B2 (en) 2016-07-19
CN104115251A (zh) 2014-10-22

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