EP2943967B1 - Trennschalter mit lichtbogendrehkontakt - Google Patents

Trennschalter mit lichtbogendrehkontakt Download PDF

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Publication number
EP2943967B1
EP2943967B1 EP14700483.2A EP14700483A EP2943967B1 EP 2943967 B1 EP2943967 B1 EP 2943967B1 EP 14700483 A EP14700483 A EP 14700483A EP 2943967 B1 EP2943967 B1 EP 2943967B1
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EP
European Patent Office
Prior art keywords
contact
arcing
contacts
relative
switchgear
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Active
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EP14700483.2A
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English (en)
French (fr)
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EP2943967A1 (de
Inventor
Mathieu Bernard
Frédéric Roussel
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General Electric Technology GmbH
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General Electric Technology GmbH
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Publication of EP2943967A1 publication Critical patent/EP2943967A1/de
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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
    • H01H33/60—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
    • 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
    • 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

Definitions

  • the present invention relates to the field of electrical switchgear, in particular the disconnector or earthing switch type, preferably high voltage. Even more preferentially, the invention relates to a high-voltage disconnector of the GIS (gas insulated switchgear) type, that is to say located in a metal or shielded casing with electrical insulation conferred by gas. SF6 or equivalent.
  • GIS gas insulated switchgear
  • an electrical switchgear of the disconnector or earthing switch type comprises an electrically conductive assembly which is moved at a constant translational speed during each opening operation and during each closing operation.
  • the conductor assembly which is generally equipped with a permanent contact and an arcing contact, undergoes mechanical and electrical stresses that gradually generate its degradation. This phenomenon is also observed on the other permanent contact and on the other arcing contact of the apparatus, said fixed contacts.
  • the document FR 2 547 107 proposes an electrical apparatus with a fixed arc contact coupled to a spring, which makes it possible to accelerate the spacing speed of the two arcing contacts at the time of their separation. Nevertheless, the fixed arcing contact can no longer really be regarded as fixed, since it is slidably mounted on the fixed frame of the apparatus.
  • conventional designs of switchgear usually do not monitor the area of the fixed contact, so that the detection of a possible anomaly on the spring is not possible. This seems unacceptable, as a failure of the undetected spring would cause a dangerous malfunction of the switchgear.
  • Such electrical switchgear is also known from the document EP 1 760 743 .
  • the invention therefore aims to at least partially overcome the disadvantages mentioned above, relating to the achievements of the prior art.
  • the subject of the invention is an electrical switchgear, in particular a disconnector, according to claim 1.
  • the proposed solution is first advantageous in that it allows, by relative rotation of the two arcing contacts, to stretch the electric arc occurring between them during an opening operation. This stretch promotes the extinction of the arc, and also distributes the electrical wear on these arcing contacts. The adverse effects of repeated arc flash formation between the arcing contacts are therefore largely attenuated, and the lifetime of these contacts is advantageously improved.
  • the invention is remarkable in that it makes it possible to vary the speed of said arcing contact of the moving assembly, during the same opening operation, by means of the acceleration caused by the release of energy from the elastic return means. Consequently, this controlled variation can be determined in such a way as to best limit the mechanical and electrical wear of the electrically conductive assembly.
  • the release of energy is preferentially initiated after the separation of the permanent contacts, and during the separation of the arcing contacts, that is to say initiated at the precise moment of the separation of the contacts. arcs or before that moment, and completed after they are separated.
  • the speed of the moving arc contact embossed on the electrically conductive assembly is even higher during this critical phase of the opening operation, which limits the damage due to electrical stresses.
  • this improvement is added to that described above, conferred by the rotational nature of the moving arc contact.
  • This feature of the invention is also advantageous in that it allows a variation of the speed of said arc contact of the moving assembly, while moving at a constant speed of translation the point of attachment of a device of the invention. training of the mobile unit electrically conductive. Consequently, this drive device can advantageously incorporate a motor driven at constant speed, even if a variable speed could be implemented, without departing from the scope of the invention.
  • the acceleration spring is not arranged on the side of the fixed elements, but on the assembly comprising the movable electrodes.
  • the acceleration spring is not arranged on the side of the fixed elements, but on the assembly comprising the movable electrodes.
  • this preferred solution makes it possible to reduce the overall size of the apparatus compared to those encountered in the prior art.
  • the modification made to the fixed contact to make it slightly mobile causes a significant increase in the dimensioning, especially for purposes of translational guidance of this contact.
  • the impact on the dimensioning is much smaller because this assembly already has a bulk important, including a significant length to ensure its guidance in translation.
  • the speed of the electrically conductive assembly can be slow, until the separation of the permanent contacts in order to limit the mechanical wear of these, then rise to limit the electrical wear of the arcing contacts.
  • said rotation means are designed to initiate the relative rotation of the two arcing contacts during the separation of the arcing contacts, ie initiated at the precise instant of the separation of the contacts. arcs or before that moment.
  • the design of the apparatus is retained so that the rotation is stopped at a time following that of the extinction of the electric arc.
  • this primer takes place preferably after the start of the opening operation, and that the rotation is stopped before the end of this same operation.
  • the relative rotation takes place over a period corresponding to a few milliseconds over a total opening stroke duration of approximately 10s, and / or over a distance corresponding to one third of the total stroke of the moving assembly during the opening operation.
  • the design of the apparatus is such that no rotation occurs during the closing operations.
  • said rotation means are designed so that the relative angular position between the two arcing contacts differs between that adopted in a closed position of the arcing contacts, and that adopted in the position of closing of the cycle directly consecutive. This further distributes the electrical wear on the arcing contacts, the life of which is further improved.
  • the equipment may be designed so that the angular extent of the relative rotation after each cycle is such that 360 is not a multiple of the value of this extent. With such a principle, after a complete revolution of relative rotation between the arcing contacts, generally obtained after several cycles, the relative position between the two arcing contacts is not the same as that adopted at the beginning of the previous round. This angular extent is preferably identical to each cycle.
  • the relative rotation between the arcing contacts can be obtained by rotating the two contacts, or only one of them, whether it is movable in translation or fixed.
  • said elastic return means comprise at least one compression or traction spring.
  • said rotation means are designed to apply a relative rotation of the two arcing contacts only during the energy release phase of said elastic return means, and even more preferably during a very large part of this phase of release of energy.
  • said other body of the electrically conductive assembly is intended to be connected to a point of attachment of a driving device of said movable electrically conductive assembly.
  • said other body comprises the permanent electrical contact.
  • said rotating means comprise a finger system housed in a helical groove, said relative rotation of the two arcing contacts operating automatically by moving the finger in the helical groove, during sliding between said other body and the movable arcing contact, during the energy release phase of said elastic return means.
  • this principle provides a simple and effective solution for converting the sliding motion of the moving arc contact into a helical motion, including the desired rotation of the arc contact.
  • This principle of finger and helical groove, or the like, is moreover applicable even when the apparatus does not have a system enabling the acceleration of the moving arcing contact.
  • said system also comprises a ring surrounding the movable arcing contact, said ring being integral with the end of the finger opposite to that housed in said groove made in said other body.
  • said ring is connected to the movable arcing contact so that when it is rotated in a first direction of rotation, it carries with it the arcing contact in rotation along the central axis, and so that when it is rotated in a second direction of rotation opposite to the first, it causes no rotation of the arc contact.
  • the apparatus comprises abutment means making it possible, during an opening operation, to block the translational movement of said movable arcing contact with respect to a fixed body of the apparatus, and said other body is provided with unlocking means adapted to release said abutment means after said other body has been moved relative to the movable arcing contact, by a predetermined distance.
  • said abutment means comprise a first abutment integral with said movable arcing contact, as well as a second abutment mounted on said fixed body of the apparatus.
  • said second stop is an integral part of a trigger pivotally mounted on said fixed body, the unlocking means of said other body being intended to rotate this trigger to release said first and second stops.
  • the subject of the invention is also a method for implementing an opening operation using an apparatus as described above, the process being such that at least after the separation of the two electrical arcing contacts, these are rotated relative to each other along their central axis.
  • this disconnect may be an earthing switch, preferably a high voltage disconnector type GIS.
  • the disconnector 1 comprises a cutoff chamber 2 shown only partially, enclosed in an enclosure containing an insulating gas such as SF6 gas or any other gaseous mixture deemed appropriate.
  • the chamber 2 encloses a stationary permanent contact (not shown), as well as a fixed arcing contact 5a partially shown, intended to be located radially inwardly with respect to the permanent contact.
  • This assembly 6 contains an electrically conductive moving assembly 6, connected to a fixed body 8 in which it is movable in translation, in a direction of displacement represented by the arrow 11.
  • This assembly 6 has an end equipped with a movable permanent contact 4b in the form of a tube, and also comprises a moving electric arc contact 5b arranged radially inwardly with respect to the permanent contact 4b. These two contacts 4b, 5b are intended to cooperate with the aforementioned fixed contacts.
  • the assembly 6 generally takes the form of a sliding cylinder, like the piston of a jack, in a cylindrical housing 10 of the body 8.
  • the permanent contact 4b forms the outer body of the assembly, and is extended by a conductive cylinder 13 of smaller diameter through which the arc contact 5b also passes.
  • the electrically conductive assembly 6 comprises elastic return means, such as a compression spring 16, forcing the contact 5b arc to move towards a first end position relative to the permanent contact 5b, corresponding to the position in which it is located at most in the cylinders of the permanent contact 4b, as shown on the figures 1a and 1b .
  • This first position, towards which the spring 16 tends to push the arc contact 5b thus corresponds to a position in which this contact is in the bottom of the opening bore 12.
  • the spring 16 disposed around the arc contact 5b is supported at one of its ends on a flange 18 of this contact, and is supported at the other of its ends on a ring 20 fixedly mounted in the boring opening 12 of the cylinder 13. More specifically, the flange 18 is formed on a support 15 of the arc contact 5b carrying the rod 17 of the same contact.
  • the support is cylindrical with a diameter substantially identical to that of the bore 12, so as to allow the translational guidance of the entire arc contact 5b in the cylinder 13 of the permanent contact 4b.
  • this support 15 linearly guides freely allowing the contact rod 17 to pivot, along the central axis 19 of the arc contacts also corresponding to the central axis of the assembly of this disconnector.
  • the permanent contact 4b moves in the direction 11 in the direction of opening, leading to the separation of the electrical contacts, it transmits this movement to the arc contact 5b through the reaction of the compression spring 16 on the ring 20.
  • the 4b permanent contact moves in the direction of closing direction in the direction 11, leading to a closer electrical contacts, it transmits this movement to the arc contact 5b by pressing its end into the bottom of the bore 12, or through the support of rods in the corresponding groove bottom, as shown on the figure 1a .
  • the arc contact holder 15 fixedly supports two diametrically opposed rods 21, at the end of each of which is placed a roller 23 forming a stop.
  • the rods 21 pass respectively through the grooves 25 formed through the cylinder 13 of the permanent contact 4b, along the direction 11. In the closed position shown on FIG. figure 1a , as well as during the entire closing operation which precedes obtaining this position, the rods 21 are supported in the bottom of the grooves 25, thus allowing the translation drive 5b of the contact by the contact 4b.
  • this contact in order to put the permanent contact 4b in motion, in order to implement the opening and closing operations of the disconnector, this contact is connected at its rear end to an attachment point 22 of a device. 30.
  • This device 30 schematized on the figure 1b can be realized conventionally, for example so as to apply a constant translation speed at the point of attachment 22, in the direction 11, during each closing operation and each opening operation.
  • the disconnector is also equipped with a trigger 34 pivotally mounted on the fixed body 8, along an axis of articulation 36 orthogonal to the axis 19.
  • the trigger has two stops 38. They form stop means jointly with the rollers 23, the latter constituting the first stops, and the abutments 38 forming second stops.
  • the abutments 23, 38 are opposite and aligned in pairs in the direction 11. In the configuration shown in FIG. figure 1a the stops are at a distance from each other, and do not cooperate with each other.
  • these stops are caused to temporarily cooperate in pairs during a specific phase of the opening operation, before a bead 40 provided on the rear end of the cylinder 13 does not rotate the trigger 34 by relying on a bar 42 thereof, thereby to release the first and second stops 23, 38.
  • the bead 40 therefore performs a function of unlocking the stop means.
  • the disconnector is equipped with a system 50 allowing automatic and controlled rotation of the arc contact 5b, and more precisely of its rod. 17 according to the axis 19.
  • the system 50 comprises firstly a ring 52 integral in translation with the rod 17 which it surrounds. In addition, it is integral in rotation of the same rod, but only in one of the two directions of rotation. Therefore, in a first direction of rotation of the ring 52 along the axis 19, this ring carries with it the arc contact rod, while in the other direction of rotation, the ring 52 rotates but the rod 17 remains fixed in rotation.
  • the ring 52 centered on the axis 19 fixedly bears a finger 54 oriented radially, whose free end, opposite to that integral with the ring 52, is housed in a helical groove 56 of axis 19 formed through the cylinder 13.
  • This groove 56 is initiated at the diameter break 44, and extends rearwardly then being slightly extended by a small straight portion parallel to the direction 11.
  • the disconnector 1 is shown in the closed position, in which the electrical contacts cooperate in pairs.
  • the arc contact 5b is forced into the bottom of the cylinder 13 by the compression spring 16, which causes the front ends of the arc contact 5b and the permanent contact 4b to reach each other. locate substantially in the same plane orthogonal to the central axis 19.
  • the stops 23, 38 come into contact in pairs and lead to blocking the translation movement of the arc contact 5b relative to the fixed body 8, while the translational movement of the permanent contact 4b is continued always under the action of the driving device.
  • the spring 16 compresses strongly, because the arc contact 5b is thus temporarily locked in translation relative to the permanent contact 4b, as shown in FIG. figure 2a .
  • the arc contact 5b therefore remains a motionless moment in translation, without being driven by the permanent contact 4b which continues its course.
  • the state represented on the figure 2a shows that the finger 54 is supported on the front end of the helical groove 56, and / or resting on the diameter break 44 of the permanent contact.
  • the arc contact 5b largely protruding relative to the permanent contact as shown in FIG. figure 2b , adopts a second position reached after the permanent contact 4b has been moved by a determined distance relative to the contact 5b.
  • the bead 40 of the cylinder 13 bears on the rod 42 of the trigger 34 and causes the latter to pivot about the axis 36, as has been illustrated on FIG. figure 3 .
  • the second stops 38 release the first stops 23, and make free arc contact 5b which is then moved at a very high speed in the direction 11, under the effect of the release of energy of the spring 16.
  • the high speed displacement of the arc contact 5b attenuates the electrical stresses. These are further weakened by the fact that during the relative displacement between the two contacts 4b, 5b, the finger 54 moves within the helical groove 56, thereby causing the ring 52 to rotate in the first direction rotation, that is to say the one driving the rod 17 of the arc contact 5b.
  • the figure 4a shows a portion of the disconnector during the phase of movement of the finger 54 in the groove 56.
  • the release of energy from the spring and the rotation of the arcing contact are performed simultaneously, preferably during the separation of the arcing contacts, that is, they are initiated at the precise instant of the separation of the contacts of arcs or before this same instant.
  • the rotation is stopped slightly before the end of the energy release phase, and more precisely stopped when the finger 54 enters the straight extension of the groove 56, in the configuration shown in FIG. figure 4b .
  • the disconnector 1 is designed so that at this moment of end of rotation, the electric arc is already off.
  • the acceleration phase of the arc contact 5b is observed until the moment when this contact comes into abutment in the bottom of the bore 12, and / or when the rods 21 come into abutment in the bottom of the straight grooves 25 of the cylinder 13.
  • the arc contact 5b After this opening phase, the arc contact 5b has been moved in rotation relative to its initially occupied position in the closed position.
  • the angular extent of this rotation is for example between 92 and 100 ° in the solution shown, and is more generally greater than a quarter turn. Therefore, since the next closing operation causes no rotation of the arc contact 5b, the latter is then returned to the closed position in an angular position distinct from that adopted in the previous cycle.

Landscapes

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

Claims (13)

  1. Elektrische Schalteinrichtung (1), insbesondere Trennschalter, enthaltend zwei elektrische Lichtbogenkontakte (5a, 5b), die dazu ausgelegt sind, bei einem Öffnungsvorgang von einer Schließstellung in eine Offenstellung durch eine relative Verschiebebewegung entlang einer Mittelachse (19) dieser Lichtbogenkontakte gebracht zu werden,
    wobei die Einrichtung ferner Rotationsmittel (54, 56) aufweist, die gestatten, eine Drehung der Lichtbogenkontakte (5a, 5b) zueinander entlang der Mittelachse (19) zumindest nach der Trennung der Lichtbogenkontakte bei einem Öffnungsvorgang zu bewirken,
    dadurch gekennzeichnet, dass einer der beiden elektrischen Lichtbogenkontakte (5b) ein beweglicher Lichtbogenkontakt ist, der fester Bestandteil einer elektrisch leitenden, beweglichen Anordnung (6) ist, die auch einen weiteren Körper (4b) enthält, der bezüglich des beweglichen Lichtbogenkontakts (5b) in einer Verlagerungsrichtung (11) dieser elektrisch leidenden Anordnung (6) gleitbeweglich gelagert ist, wobei letztere ferner Rückstellfedermittel (16) aufweist, die zwischen dem beweglichen Lichtbogenkontakt und dem weiteren Körper eingesetzt sind, wobei die Einrichtung so ausgelegt ist, dass im Laufe eines Öffnungsvorgangs die Rückstellfedermittel (16) durch relative Verlagerung zwischen dem beweglichen Lichtbogenkontakt (5b) und dem weiteren Körper (4b) zunächst Energie speichern können, dann die gespeicherte Energie freigeben können, um eine Beschleunigung des beweglichen Lichtbogenkontakts (5b) zu bewirken.
  2. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Rotationsmittel (54, 56) dazu ausgelegt sind, die relative Drehung der beiden Lichtbogenkontakte (5a, 5b) während der Trennung der elektrischen Lichtbogenkontakte auszulösen.
  3. Einrichtung nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass die Rotationsmittel (54, 56) so ausgelegt sind, dass die relative Winkelstellung zwischen den beiden elektrischen Lichtbogenkontakten (5a, 5b) sich von derjenigen unterscheidet, die in einer Schließstellung der Lichtbogenkontakte eingenommen ist, und von derjenigen, die in der Schließstellung des unmittelbar nachfolgenden Zyklus eingenommen ist.
  4. Einrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Rotationsmittel (54, 56) dazu ausgelegt sind, eine relative Drehung der beiden Lichtbogenkontakte (5a, 5b) nur während der Energiefreigabephase der Rückstellfedermittel (16) auszuführen.
  5. Einrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der weitere Körper (4b) dazu bestimmt ist, mit einem Befestigungspunkt (22) einer Antriebsvorrichtung (30) der elektrisch leitenden, beweglichen Anordnung (6) verbunden zu werden.
  6. Einrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der weitere Körper einen elektrischen Dauerkontakt (4b) enthält.
  7. Einrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Rotationsmittel ein Fingersystem (54) aufweisen, das in einer wendelförmigen Rille (56) aufgenommen ist, wobei die relative Drehung der beiden Lichtbogenkontakte (5a, 5b) automatisch durch Verlagerung des Fingers (54) in der wendelförmigen Rille (56) während der Gleitbewegung zwischen dem weiteren Körper (4b) und dem beweglichen Lichtbogenkontakt (5b) im Laufe der Energiefreigabephase der Rückstellfedermittel (16) erfolgt.
  8. Einrichtung nach Anspruch 7, dadurch gekennzeichnet, dass das System auch einen Ring (52) enthält, der den beweglichen Lichtbogenkontakt (5b) umgibt, wobei der Ring fest mit dem Ende des Fingers verbunden ist, das demjenigen entgegengesetzt ist, das in der wendelförmigen Rille (56) aufgenommen ist, die in dem weiteren Körper (4b) ausgeführt ist.
  9. Einrichtung nach Anspruch 8, dadurch gekennzeichnet, dass der Ring (52) so mit dem beweglichen Lichtbogenkontakt (5b) verbunden ist, dass dann, wenn er in einer ersten Drehrichtung gedreht wird, er den Lichtbogenkontakt (5b) entlang der Mittelachse (19) drehend mit sich mitnimmt, und das dann, wenn er in einer der ersten Drehrichtung entgegengesetzten zweiten Drehrichtung gedreht wird, er keine Drehung des Lichtbogenkontakts (5b) bewirkt.
  10. Einrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie Anschlagmittel (23, 38) enthält, die im Laufe eines Öffnungsvorgangs gestatten, die Verschiebebewegung des beweglichen Lichtbogenkontakts (5b) bezüglich eines festen Körpers (8) der Einrichtung zu blockieren, und dass der weitere Körper (4b) mit Entriegelungsmitteln (40) ausgestattet ist, die dazu ausgelegt sind, die Anschlagmittel freizugeben, nachdem dieser weitere Körper relativ zum beweglichen Lichtbogenkontakt (5b) um ein vorbestimmtes Maß verlagert wurde.
  11. Einrichtung nach Anspruch 10, dadurch gekennzeichnet, dass die Anschlagmittel einen ersten Anschlag (23) enthalten, der fest mit dem beweglichen Lichtbogenkontakt (5b) verbunden ist, sowie einen zweiten Anschlag (38), der an dem festen Körper (8) der Einrichtung angebracht ist.
  12. Einrichtung nach Anspruch 11, dadurch gekennzeichnet, dass der zweite Anschlag (38) fester Bestandteil einer Zuhaltung (34) ist, die am festen Körper (8) verschwenkbar gelagert ist, wobei die Entriegelungsmittel (40) des weiteren Körpers (4b) dazu bestimmt sind, diese Zuhaltung zu verschwenken, um den ersten und den zweiten Anschlag (23, 38) freizugeben.
  13. Verfahren zum Durchführen eines Öffnungsvorgangs mit Hilfe einer Einrichtung (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zumindest nach der Trennung der beiden elektrischen Lichtbogenkontakte (5a, 5b) diese entlang ihrer Mittelachse (18) zueinander gedreht werden.
EP14700483.2A 2013-01-14 2014-01-14 Trennschalter mit lichtbogendrehkontakt Active EP2943967B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1350311A FR3001081B1 (fr) 2013-01-14 2013-01-14 Sectionneur a contact d'arc rotatif
PCT/EP2014/050588 WO2014108558A1 (fr) 2013-01-14 2014-01-14 Sectionneur a contact d'arc rotatif

Publications (2)

Publication Number Publication Date
EP2943967A1 EP2943967A1 (de) 2015-11-18
EP2943967B1 true EP2943967B1 (de) 2017-03-15

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EP (1) EP2943967B1 (de)
JP (1) JP2016507128A (de)
KR (1) KR20150105986A (de)
CN (1) CN104919557B (de)
FR (1) FR3001081B1 (de)
WO (1) WO2014108558A1 (de)

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FR3016470B1 (fr) * 2014-01-14 2016-02-26 Alstom Technology Ltd Sectionneur a detection de defaillance d'un ressort d'acceleration d'un contact d'arc
EP3142134A1 (de) * 2015-09-14 2017-03-15 Siemens Aktiengesellschaft Assistenzsystem zur detektion einer störung eines trennschalters, das an mittel- und hochspannungen angepasst ist
EP3226276B1 (de) * 2016-03-31 2021-03-10 Siemens Energy Global GmbH & Co. KG Trennschalter, der an mittel- und hochspannungen angepasst ist, und abschaltmethode mithilfe dieses trennschalters
CN108242356A (zh) * 2018-03-15 2018-07-03 北京双杰电气股份有限公司 一种用于10kv充气环网柜开关的按钮式分合闸装置
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JP2016507128A (ja) 2016-03-07
CN104919557B (zh) 2017-09-01
EP2943967A1 (de) 2015-11-18
WO2014108558A1 (fr) 2014-07-17
KR20150105986A (ko) 2015-09-18
FR3001081B1 (fr) 2016-05-13
FR3001081A1 (fr) 2014-07-18
CN104919557A (zh) 2015-09-16

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