EP1768150A1 - Disjoncteur à haute tension avec pouvoir de coupure ameliorée - Google Patents

Disjoncteur à haute tension avec pouvoir de coupure ameliorée Download PDF

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Publication number
EP1768150A1
EP1768150A1 EP05405556A EP05405556A EP1768150A1 EP 1768150 A1 EP1768150 A1 EP 1768150A1 EP 05405556 A EP05405556 A EP 05405556A EP 05405556 A EP05405556 A EP 05405556A EP 1768150 A1 EP1768150 A1 EP 1768150A1
Authority
EP
European Patent Office
Prior art keywords
gas flow
partial gas
gas
switching
partial
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
EP05405556A
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German (de)
English (en)
Other versions
EP1768150B1 (fr
Inventor
Andreas Dahlquist
Christian Franck
Martin Kriegel
Martin Seeger
Henrik Nordborg
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.)
ABB Technology AG
Original Assignee
ABB Technology 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
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Application filed by ABB Technology AG filed Critical ABB Technology AG
Priority to DE502005009041T priority Critical patent/DE502005009041D1/de
Priority to AT05405556T priority patent/ATE458259T1/de
Priority to EP05405556A priority patent/EP1768150B1/fr
Priority to US11/520,619 priority patent/US8389886B2/en
Priority to JP2006255278A priority patent/JP2007095680A/ja
Priority to KR1020060093655A priority patent/KR101320770B1/ko
Priority to CN2006101396232A priority patent/CN1941243B/zh
Publication of EP1768150A1 publication Critical patent/EP1768150A1/fr
Publication of EP1768150B1 publication Critical patent/EP1768150B1/fr
Application granted granted Critical
Revoked 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
    • H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
    • H01H33/74—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber wherein the break is in 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
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/57—Recuperation of liquid 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
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • 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
    • H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • 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

Definitions

  • the invention relates to the field of high-voltage technology, in particular the high-voltage circuit breakers in electrical power distribution networks. It is based on a method and a high voltage switch according to the preamble of the independent claims.
  • the invention is based on the prior art according to the EP 1 444 713 B1 , There, a flow control device is disclosed for a circuit breaker, which coaxially surrounds the quenching gas flow and has a lateral surface with two outflow openings.
  • the lateral surface of the flow-deflecting device defines an exhaust gas volume. Partial flows of the quenching gas flow out of the outflow openings into the switching chamber volume. The outflow directions of the directly opposite outflow openings are directed so that they intersect each other. It is thereby achieved that the extinguishing gas is favorably mixed after passing through the respective outflow openings.
  • the outlet openings may be associated with additional swirling body or baffles to additionally swirl the leaking from the outlet openings switching gas. By mixing and turbulence, the extinguishing gas flow is braked upon entry into the switching chamber volume, cooled and dielectrically solidified to avoid flashovers on the switching chamber housing.
  • a high voltage circuit breaker is disclosed with an interrupter unit, in which The exhaust gases are deflected twice by 180 °.
  • a concentrically arranged, hollow cylindrical, radially flowed through perforated plate is present on the fixed contact side.
  • the perforated plate serves as a heat sink, which extracts heat from the quenching gas.
  • the perforated plate does not increase the flow resistance for the quenching gas. In the area of the perforated plate, a uniform, laminar quenching gas flow is maintained.
  • the cooling device comprises a plurality of tubes, which are arranged concentrically in the gas discharge channel and each have diametrically opposite outflow openings, so that the switching gases must rush through a labyrinthine path with numerous deflections during laminar outflow and have to coat large surfaces of the cooling tubes.
  • the Ausströmpfad is extended and enlarged the cooling surface in the exhaust.
  • a circuit breaker in which exhaust gas is also passed from an arc chamber through a hollow contact in a concentrically arranged exhaust volume and from there into a more external extinguishing chamber volume.
  • at least one intermediate volume and possibly an additional volume are arranged concentrically between the hollow contact and the exhaust volume and separated from one another by intermediate walls which have bores or gas passage openings. Due to the radial outflow of the switching gases from the inner to the outer volumes, the exhaust gases are jet-like directed and vortexed on the partition walls of the volumes. In this way, heat is transferred turbulently convective to the intermediate walls in a highly efficient manner.
  • the passage openings between the hollow contact volume, the intermediate volume and optionally the additional volume are offset from each other on the circumference.
  • the passage openings between the additional volume and the exhaust volume are on each other Circumference and / or arranged offset in the axial direction.
  • Object of the present invention is to provide a method for cooling a switching gas in an electrical switching device and an associated electrical switching device with an improved switching performance. This object is achieved according to the invention by the features of the independent claims.
  • the invention consists in a method for cooling a switching gas in an electrical switching device for electrical power grids, in particular in a high voltage switch, wherein the switching device comprises a switching chamber which is enclosed by a switching chamber housing, wherein further in a switching process hot switching gas from an arc extinguishing zone to a Cold gas filled exhaust area flows and the hot switching gas is split into at least two partial gas flows, wherein at least a portion of the cold gas is stored in the exhaust area and the first partial gas flow past the cached cold gas and is flowed into the switching chamber and displaced by means of the second partial gas flow, the cached cold gas from the exhaust region and mixed before flowing out into the switching chamber housing with the first partial gas flow.
  • the intermediate storage of the cold gas and the mixing with the first hot partial gas flow this is cooled efficiently. This cooling takes place at a very early time when the first partial gas flow out of the arc extinguishing zone.
  • existing cold gas is not displaced unused, but used for exhaust gas cooling.
  • the displacement of the cold gas from the intermediate storage volume is effected by the second partial gas flow, in particular by being flowed through the intermediate storage volume, or by reducing the intermediate storage volume in its size, for. B. by applying gas pressure to a movably mounted wall of the intermediate storage volume, or by this generates a negative pressure and thereby sucks the cold gas from the intermediate storage volume, by combining such effects or otherwise.
  • the switching gas is dielectrically more effective than previously solidified, the switching capacity can be increased and / or the switching chamber housing can be more compact, in particular slimmer, dimensioned without risking electrical flashovers between the outflowing switching gas and the switching chamber housing.
  • the embodiment according to claim 2 and 10 has the advantage that the first partial gas flow flows out of the exhaust largely at the same time as the stored cold gas, which is displaced from the second partial gas flow from the exhaust area and in particular the intermediate storage volume.
  • the embodiments according to claim 7-8 and 20-21 indicate different variants and installation locations for aids with which the switching gas can be additionally cooled.
  • the first and / or second partial gas stream is additionally cooled by gas jet formation and gas jet turbulence on a baffle wall.
  • the invention also relates to an electrical switching device for an electrical energy supply network, in particular a high-voltage switch.
  • the switching device comprises a switching chamber, which is enclosed by a switching chamber housing and an arc extinguishing zone and an exhaust volume for cooling of hot switching gas, wherein at the beginning of a switching action an exhaust area of the exhaust volume is filled with cold gas, wherein means for splitting the hot switching gas in at least two partial gas flows Further, in the exhaust area, a buffer storage volume for storing cold gas is present, a first means is provided, which directs the first partial gas flow, bypassing the buffer volume in the switching chamber housing, and a second means is provided, the second partial gas flow to the stored cold gas directs and thereby causes the displacement of the stored cold gas from the intermediate storage volume.
  • the embodiments according to claim 15-19 indicate preferred structural embodiments for the buffer storage volume.
  • FIG. 1 shows in simplified form the exhaust area of a conventional high-voltage switch which is constructed concentrically around a switch axis 1a and in which hot switching gas 11, 110 is discharged from the extinguishing arc zone 6 along a path, here a meandering path, from the exhaust volume 4 into the switching chamber 2 ,
  • the cold gas 111 is forced out of the exhaust area, without contributing to the cooling of the switching gas 11, 110.
  • Fig. 2 shows a simplified embodiment of a switching gas cooling according to the invention.
  • the hot switching gas 11, 110 is split into two partial gas flows 11a, 11b, at least part of the cold gas 111 is temporarily stored in the exhaust area 7, 8, the first partial gas flow 11a is conducted past the cached cold gas 111 and flowed into the switching chamber 2, and with the aid of the second partial gas flow 11b the cached cold gas 111 is removed from the exhaust area 7, 8 displaced and mixed before flowing out into the switching chamber housing 3 with the first partial gas flow 11a.
  • the mixed switching gas 13 has already at the beginning of the switching gas ejection a significantly reduced temperature compared to the conventional exhaust according to FIG. 1, where first cold gas 111 and then the relatively little cooled hot gas 110 flows.
  • further embodiments of the switching gas cooling method will be discussed in connection with Figs. 2-9.
  • the second partial gas flow 11b is led to the temporarily stored cold gas 111 in order to displace it directly or indirectly from the exhaust volume 7, 8.
  • the direct displacement is shown, in which the second partial gas flow 11b flows through the intermediate storage volume 7, 8 and replaces the cold gas 111.
  • indirect displacement for example by reducing the intermediate storage volume 7, 8 and / or by suction from the intermediate storage volume 7, 8 is possible.
  • the first partial gas flow 11a is flowed over a shorter path and the second partial gas flow 11b and optionally a third, fourth, etc., partial gas flow 11c over a longer path into the switching chamber housing 3.
  • the longer path can be divided into at least two paths, namely into the second partial gas flow 11b and a third or further partial gas flow 11c supporting this.
  • an improved mixing of the switching gas 11 can be achieved.
  • the cached portion of the cold gas 111 in the exhaust area in a cold gas reservoir or Latching volume 7, 8 cached, wherein the intermediate storage volume 7, 8 an inlet opening 70 and an outlet opening 80 for the second 11b and the optional, further supporting partial gas flow 11c and in the region of the outlet opening 80 has a mixing zone 12, in which the stored cold gas 111 with the first partial gas flow 11a is mixed.
  • a negative pressure in the region of the mixing zone 12 is generated by the first partial gas flow 11a, through which the cached cold gas 111 from the intermediate storage volume 7, 8 is sucked.
  • the suction may be effective alone or in support of cold gas displacement.
  • the first partial gas flow 11a may be mixed with the intermediately stored cold gas 111 and in particular with a pre-cooled second partial gas flow 11b and optionally with a third or further partial gas flow 11c.
  • the mixing channel 10 is an optional element.
  • gas jets can also be formed in the first partial gas flow 11a and in the displaced cold gas flow 111 and directed against one another in such a way that they swirl and mix with one another.
  • the switching gas 11 is effectively cooled before or during the outflow into the switching chamber housing 3.
  • the storage capacity of the intermediate storage volume 7, 8 should preferably be selected in accordance with a desired mixing time and mixing temperature of the first partial gas flow 11a with the cached cold gas 111.
  • a path difference between the longer and the shorter path equal to a flow length through the intermediate storage volume 7, 8 can be selected.
  • the first partial gas flow 11a, bypassing the intermediate storage volume 7, 8, flows through a minimum distance into the switching chamber housing 3; and / or the second partial gas flow 11b is discharged through the intermediate storage volume 7, 8 over a maximum distance in the switching chamber housing 3; and / or a further partial gas flow 11c (FIG. 8) is at least partially discharged through the intermediate storage volume 7, 8 into the switching chamber housing 3.
  • the switching gas 11 with auxiliary precooling 9, 9a, 9b, 9c; 74, 75 in the exhaust volume 4 of the switching device 1 are pre-cooled (Fig. 5-9).
  • the hot gas 110 may be pre-cooled before splitting into the partial gas flows 11a, 11b, 11c (FIG. 8, left side); and / or the first partial gas flow 11a and / or the second partial gas flow 11b and optionally a further partial gas flow 11c may be precooled.
  • a gas jet can be formed in the switching gas 11 through a jet-forming outflow opening 74 in the intermediate storage volume 7, 8 and / or in an additional volume 9a, which is directed onto a baffle wall 75 and swirled there (FIGS.
  • switching gas 11 can also be directed to a baffle plate 9b and cooled there (FIG. 9); and / or in the switching gas 11, an extended path, in particular a meandering path, can be predetermined by means of steering means 9c and / or a recirculation area can be formed by means of swirling means 9c (FIG. 9).
  • an extended path in particular a meandering path, can be predetermined by means of steering means 9c and / or a recirculation area can be formed by means of swirling means 9c (FIG. 9).
  • Other, not mentioned aids for switching gas cooling can also be used.
  • the invention also provides an electrical switching device 1, which is first explained in more detail with reference to FIG.
  • the switching device 1 comprises a switching chamber 2, which is enclosed by a switching chamber housing 3 and an arc extinguishing zone 6 and an exhaust volume 4 for cooling of hot switching gas 11, 110 has.
  • the arc extinguishing zone 6 extends between the contacts 5 of the arcing contact system 5 and is of the insulating material 6a laterally surrounded.
  • the arcing contacts 5 typically comprise a switching pin and a contact tulip, at least one of which is movable by a switch drive, not shown.
  • the contact pin is shown as a fixed contact and on the left, the contact tulip is shown as a drive contact.
  • the contact tulip can also be formed as a hollow exhaust outflow tube with a Hohljorausströmö réelle 5a. Concentric with the arcing contact system 5, the rated current contacts are arranged, which in turn are surrounded by the switching chamber insulator 3a.
  • an exhaust area 7, 8 of the exhaust volume 4 is filled with cold gas 111.
  • a buffer storage volume 7, 8 for storing cold gas 111 is arranged, wherein a first means 71; 101, 102, which directs the first partial gas flow 11a bypassing the intermediate storage volume 7, 8 into the switching chamber housing 3, and a second means 7a, 7b, 72 is present, which directs the second partial gas flow 11b to the stored cold gas 111 and thereby the displacement of the stored cold gas 111 from the intermediate storage volume 7, 8 causes.
  • FIGS. 3-9 show constructive embodiments for this purpose.
  • a shorter path for the first partial gas flow 11a and a longer path for the second partial gas flow 11b and optionally for at least one further partial gas flow 11c should be provided between the arc extinguishing zone 6 and the switching chamber housing 3c.
  • the path length difference or flow-through length can also be composed of two or more unequal length partial paths (FIGS. 5-8).
  • the intermediate storage volume 7, 8 an inlet opening 70 and an outlet opening 80, wherein the first means 71, the first partial gas flow 11a, bypassing the intermediate storage volume 7, 8 to the outlet opening 80 and directs the second means 7a, 7b, 72nd the second partial gas flow 11b or possibly further partial gas flows 11c to the inlet opening 70 and through the intermediate storage volume 7 to the outlet opening 80 directs.
  • a mixing zone 12 for mixing the first partial gas flow 11a with the cold gas 111 should be present, which is stored in the intermediate storage volume 7, 8 and which is displaced from the intermediate storage volume 7, 8 by the second partial gas flow 11b.
  • the mixing zone 12 can at the same time be designed as a vacuum zone 12 for sucking the stored cold gas 111 from the intermediate storage volume 7, 8. This can be z. B. by the flow conditions and in particular flow velocities of the partial flows 11a, 11b and optionally 11c in the region of the vacuum zone 12 can be achieved.
  • the mixing zone 12 can also be designed as a turbulence zone 12 for the first partial gas flow 11a and the cold gas 111, in particular of gas jets of the first partial gas flow 11a and the cold gas 111.
  • a mixing channel 10 may be arranged in which an additional mixing of the first partial gas flow 11a with the displaced from the intermediate storage volume 7, 8 cold gas 111 and in particular with a pre-cooled second partial gas flow 11b and optionally one further partial gas flow 11c takes place.
  • the mixing channel 10 is z. B. separated by an inner channel wall 10a from the intermediate storage volume 8 and connected thereto via a channel inlet opening 101.
  • the channel inlet opening 101 thus acts as a discharge opening from the intermediate storage volume 7, 8 and the channel outlet opening as the actual exhaust opening 102.
  • the mixing channel 10 has a diameter D and a length L between the channel inlet opening 101 and the channel outlet opening 102.
  • Diameter D and length L should be dimensioned so that an efficient mixture of the already premixed partial gas flows 11a, 11b, 11c with the cold gas 111 and with each other is realized.
  • the mixing channel 10 may be aligned axially (Figs. 3-4, 7-9) and / or radially (Figs. 5-6).
  • the storage capacity of the intermediate storage volume 7, 8 is dimensioned such that a desired mixing time and mixing temperature of the first partial gas flow 11a with the temporarily stored cold gas 111 can be achieved. Also, the flow-through length, z. B. 2 * 1 in Fig. 3-4, be dimensioned by the buffer volume 7, 8 so that a desired time delay of the second partial gas flow 11a in the buffer storage volume 7, 8 relative to the first partial gas flow 11b can be realized.
  • FIGS. 3-9 also show preferred structural designs of the switching device 1.
  • the exhaust volume 4 is enclosed by an exhaust housing 4a, which has an outflow opening 101 and an exhaust opening 102 toward the switching chamber housing 2.
  • the intermediate storage volume 7, 8 is formed by a permeable body 7 a, 7 b, 8 a, 8 b, which is arranged in the exhaust volume 4.
  • the flow-through body 7a, 7b, 8a, 8b has a first opening 71 for branching off the first partial gas flow 11a in a region of the body 7a, 7b, 8a, 8b facing the arc extinguishing zone 6 and a second opening 72 for the second partial gas flow 11b for a further assisting partial gas flow 11c, a third or further opening 73 in a region of the body 7a, 7b, 8a, 8b facing away from the arc extinguishing zone 6.
  • the first opening 71 is close to Outflow opening 101, in particular radially opposite, arranged; and / or to provide a maximum path for the second partial gas flow 11b, the second opening 72 is located far away from the outflow opening 101, in particular axially maximally spaced apart from the outflow opening 101; and / or a third or further opening 73 is arranged between the first and second openings 71, 72 for a further partial gas flow 11c in the axial direction 1a (FIG. 8, right side).
  • the further partial gas flow 11c the long path can be divided into at least two paths 11b, 11c. As a result, the mixing of the switching gas 11 in the outer volume 8 can be improved.
  • the second opening 72 cooperates with a deflecting device 7b, 8b, 8a for returning the stored cold gas 111 and the second partial gas flow 11b to the outlet opening 80 of the intermediate storage volume 7, 8; and / or the path length difference between the shorter path 11a for the first partial gas flow and the longer path 11b for the second partial gas flow is given by the axial distance between the first and second openings 71, 72.
  • the openings 71, 72, 73 may be holes or slots in a wall 7a, 7b of the body 7a, 7b, 8a, 8b.
  • the openings 71, 72, 73 may be arranged in a radial wall 7a and / or in an axial wall 7b of the body 7a, 7b, 8a, 8b.
  • a number, size (ie cross-sectional area A 1 , A 2 , A 3 ) and position of the first, second and optionally third openings 71, 72, 73 should be selected so that the first partial gas flow 11 a still largely in the exhaust volume 4 with the stored cold gas 111 is mixable.
  • a plurality of holes or slots 72 and, if appropriate, 73 should be arranged on the circumference and / or along the axial extension in the body 7a, 7b, 8a, 8b which can be flowed through such that a hot gas front is formed in the second and possibly further partial gas flows 11b, 11c and no cold gas pockets in the buffer storage volume 7, 8 exist stay.
  • the total flow cross-section A 0 A 1 + A 2
  • a 0 A 1 + A 2 + A 3
  • the flow-through body 7a, 7b, 8a, 8b may include an inner cylinder 7a, 7b and an outer cylinder 8a, 8b.
  • Inner and outer cylinders 7a, 7b, 8a, 8b are preferably arranged coaxially to one another and to the switch axis 1a.
  • the buffer storage volume 7, 8 is limited radially by at least two lateral surfaces 7a, 8a and axially end by associated bottom surfaces 7b, 8b.
  • the inner cylinder 7a, 7b defines an inner volume V 1 and, towards the quenching arc zone 6, has an inlet opening 70 for the second partial gas flow 11a.
  • the outer cylinder 8a, 8b surrounds the inner cylinder 7a, 7b, defines an outer volume V 2 and has an exit opening 80 for the stored cold gas 111 and the second partial gas flow 11b toward the extinguishing arc zone 6.
  • the inner cylinder 7a, 7b and outer cylinder 8a, 8b communicate with each other through the second opening 72 and optionally the third opening 73.
  • the inner and outer volumes V 1 , V 2 should be coordinated so that a desired storage capacity for the cold gas 111 and a desired flow dynamics for the second partial gas flow 11b can be realized.
  • the buffer storage volume 7, 8, the first means 71; 101, 102 and the second means 7a, 7b, 72 may be arranged in the exhaust area 7, 8 of a first and / or a second contact 5 of the switching device 1.
  • the switching device 1 may be a high-voltage circuit breaker 1 or a high-current switch or a circuit breaker o. ⁇ . Act.
  • FIGS. 3-8 The following variants are shown in detail in FIGS. 3-8: FIG. 3: left side or drive contact side and right side or fixed contact side in each case two partial gas flows 11a, 11b realized through holes 71, 72; 4: left side with slots 71, 72 instead of holes and right side with large-area second opening 72 in the rear wall 7b of the inner cylinder 7a, 7b; Fig.
  • FIG. 5-6 axially aligned first and second openings 71, 72 and inner cylinder 7a, 7b axially shortened (left side) and / or radially reduced (right side); further mixing channel 10 with radial exhaust or gas outlet 102; 7: slots 72 for the second partial gas flow 11b are dimensioned such that a hot gas jet or jet is built up and impacted against the outer wall 8a of the outer cylinder 8a, 8b, as discussed below; 8: additional volume 9a for building up a hot gas jet or jet (left side) and third openings 73 for splitting off a third partial gas flow 11c; and FIG. 9: first partial gas flow 11a or, as shown, second partial gas flow 11b with further cooling mechanisms 9.
  • Aids 9, 9a, 9b, 9c; 74, 75 for pre-cooling of the switching gas 11 may be arranged in the exhaust volume 4 of the switching device 1.
  • the aids 9, 9a, 9b, 9c; 74, 75 may be arranged in the hot gas flow 110 before the splitting into the partial gas flows 11a, 11b, 11 and / or in the first partial gas flow and / or in the second partial gas flow 11a, 11b and possibly in the further partial gas flow 11c.
  • Such aids relate on the one hand jet-forming outflow openings 74 in the intermediate storage volume 7, 8 and / or in an additional volume 9a for the formation of gas jets and a baffle 75 for turbulence and intensive turbulent convective cooling of the gas jets.
  • the additional volume 9a may be designed, for example, as a cylindrical metal sleeve 9a.
  • the jet-forming metal sleeve 9a may, for. B. tulpentitle lake or drive contact side concentrically around the Hohl.ausströmö réelle 5a and also within the intermediate storage volume 7, 8 or on the Heidelberggas-Abströmweg 11 before the intermediate storage volume 7, 8 may be arranged.
  • the aids can also comprise a baffle plate 9b and / or steering means 9c and / or swirling means 9c for the switching gas 11.

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  • Circuit Breakers (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Electronic Switches (AREA)
EP05405556A 2005-09-26 2005-09-26 Disjoncteur à haute tension avec pouvoir de coupure ameliorée Revoked EP1768150B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE502005009041T DE502005009041D1 (de) 2005-09-26 2005-09-26 Hochspannungsschalter mit verbesserter Schaltleistung
AT05405556T ATE458259T1 (de) 2005-09-26 2005-09-26 Hochspannungsschalter mit verbesserter schaltleistung
EP05405556A EP1768150B1 (fr) 2005-09-26 2005-09-26 Disjoncteur à haute tension avec pouvoir de coupure ameliorée
US11/520,619 US8389886B2 (en) 2005-09-26 2006-09-14 High-voltage circuit breaker with improved circuit breaker rating
JP2006255278A JP2007095680A (ja) 2005-09-26 2006-09-21 改良されたサーキット・ブレーカ定格を備えた高電圧サーキット・ブレーカ
KR1020060093655A KR101320770B1 (ko) 2005-09-26 2006-09-26 전기 차단 장치 그리고 전기 차단 장치의 소멸 가스 냉각 방법
CN2006101396232A CN1941243B (zh) 2005-09-26 2006-09-26 带有改善的电路断路器额定值的高压电路断路器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05405556A EP1768150B1 (fr) 2005-09-26 2005-09-26 Disjoncteur à haute tension avec pouvoir de coupure ameliorée

Publications (2)

Publication Number Publication Date
EP1768150A1 true EP1768150A1 (fr) 2007-03-28
EP1768150B1 EP1768150B1 (fr) 2010-02-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05405556A Revoked EP1768150B1 (fr) 2005-09-26 2005-09-26 Disjoncteur à haute tension avec pouvoir de coupure ameliorée

Country Status (7)

Country Link
US (1) US8389886B2 (fr)
EP (1) EP1768150B1 (fr)
JP (1) JP2007095680A (fr)
KR (1) KR101320770B1 (fr)
CN (1) CN1941243B (fr)
AT (1) ATE458259T1 (fr)
DE (1) DE502005009041D1 (fr)

Cited By (16)

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EP1835520A1 (fr) 2006-03-14 2007-09-19 ABB Technology AG Chambre d'interruption pour interrupteur haute tension isolé à gaz
EP2063445A1 (fr) * 2007-11-22 2009-05-27 Areva T & D SA Disjoncteur haute tension à échappement de gaz amélioré
FR2924267A1 (fr) * 2007-11-22 2009-05-29 Areva T & D Sa Disjoncteur haute tension a echappement de gaz ameliore
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EP2120244A1 (fr) 2008-05-15 2009-11-18 ABB Technology AG Disjoncteur haute pression
RU2543081C2 (ru) * 2009-02-13 2015-02-27 Сименс Акциенгезелльшафт Система коммутационного аппарата с раствором контактов
WO2010091944A1 (fr) * 2009-02-13 2010-08-19 Siemens Aktiengesellschaft Appareillage de coupure à espace de coupure
US8633413B2 (en) 2009-02-13 2014-01-21 Siemens Aktiengesellschaft Switchgear assembly with a contact gap
EP2256776A1 (fr) 2009-05-26 2010-12-01 Areva T&D Sas Disjoncteur haute tension à échappement de gaz amélioré
WO2011067122A1 (fr) * 2009-12-04 2011-06-09 Siemens Aktiengesellschaft Agencement de commutateur de puissance
EP2593954B1 (fr) 2010-07-16 2015-03-11 Alstom Technology Ltd. Appareillage de chambre de coupure pour deux electrodes de contact confinees
US9524836B2 (en) 2010-07-16 2016-12-20 Alstom Technology Ltd. Arc-control chamber gear for two confined contact electrodes
EP2593954B2 (fr) † 2010-07-16 2022-03-16 Alstom Technology Ltd. Appareillage de chambre de coupure pour deux électrodes de contact confinées
WO2013045233A1 (fr) * 2011-09-28 2013-04-04 Siemens Aktiengesellschaft Unité d'interruption de sectionneur de puissance
WO2013045234A1 (fr) * 2011-09-28 2013-04-04 Siemens Aktiengesellschaft Système présentant une unité d'interruption de sectionneur de puissance
WO2013045235A1 (fr) * 2011-09-28 2013-04-04 Siemens Aktiengesellschaft Unité d'interruption de sectionneur de puissance
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RU2608173C2 (ru) * 2011-09-28 2017-01-17 Сименс Акциенгезелльшафт Размыкающий блок силового выключателя
WO2013120732A1 (fr) * 2012-02-16 2013-08-22 Siemens Aktiengesellschaft Appareillage de coupure
DE102012202406A1 (de) * 2012-02-16 2013-08-22 Siemens Ag Schaltgeräteanordnung
US10199189B2 (en) 2012-02-16 2019-02-05 Siemens Aktiengesellschaft Switchgear arrangement
WO2014187632A1 (fr) * 2013-05-24 2014-11-27 Siemens Aktiengesellschaft Canal de gaz de coupure et dispositif de commande pourvu d'un canal de gaz de coupure
CN106030744B (zh) * 2013-12-23 2019-07-02 Abb瑞士股份有限公司 电气开关装置
US9899167B2 (en) 2013-12-23 2018-02-20 Abb Schweiz Ag Electrical switching device
CN106030744A (zh) * 2013-12-23 2016-10-12 Abb 技术有限公司 电气开关装置
RU2706233C2 (ru) * 2013-12-23 2019-11-15 Абб Швайц Аг Электрическое переключающее устройство
WO2015097143A1 (fr) * 2013-12-23 2015-07-02 Abb Technology Ag Dispositif de commutation électrique
US9514903B2 (en) 2014-04-09 2016-12-06 Hyundai Heavy Industries Co., Ltd. Gas-insulated circuit breaker
EP2930732A1 (fr) * 2014-04-09 2015-10-14 Hyundai Heavy Industries Co., Ltd. Disjoncteur à isolation gazeuse
CN109564836A (zh) * 2016-08-02 2019-04-02 西门子股份公司 用于功率开关的断路器单元
US10685798B2 (en) 2016-08-02 2020-06-16 Siemens Aktiengesellschaft Interrupter unit for a circuit breaker
CN109564836B (zh) * 2016-08-02 2020-07-03 西门子股份公司 用于功率开关的断路器单元
RU186667U1 (ru) * 2018-08-27 2019-01-29 Закрытое акционерное общество "Завод электротехнического оборудования" (ЗАО "ЗЭТО") Выключатель с газовой изоляцией

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EP1768150B1 (fr) 2010-02-17
KR20070034972A (ko) 2007-03-29
US20070068904A1 (en) 2007-03-29
ATE458259T1 (de) 2010-03-15
CN1941243B (zh) 2012-07-11
KR101320770B1 (ko) 2013-10-21
US8389886B2 (en) 2013-03-05
DE502005009041D1 (de) 2010-04-01
CN1941243A (zh) 2007-04-04

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