EP3226276B1 - Trennschalter, der an mittel- und hochspannungen angepasst ist, und abschaltmethode mithilfe dieses trennschalters - Google Patents

Trennschalter, der an mittel- und hochspannungen angepasst ist, und abschaltmethode mithilfe dieses trennschalters Download PDF

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Publication number
EP3226276B1
EP3226276B1 EP16290056.7A EP16290056A EP3226276B1 EP 3226276 B1 EP3226276 B1 EP 3226276B1 EP 16290056 A EP16290056 A EP 16290056A EP 3226276 B1 EP3226276 B1 EP 3226276B1
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EP
European Patent Office
Prior art keywords
contact
head
movement
support
disconnector
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
EP16290056.7A
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English (en)
French (fr)
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EP3226276A1 (de
Inventor
Thierry Faure-Curt
Thierry Millet
Pascal Russi
Sylvain Verger
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 Energy Global GmbH and Co KG
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Siemens Energy Global GmbH and Co KG
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 Energy Global GmbH and Co KG filed Critical Siemens Energy Global GmbH and Co KG
Priority to EP16290056.7A priority Critical patent/EP3226276B1/de
Priority to PCT/EP2017/052689 priority patent/WO2017167480A1/fr
Priority to KR1020187031024A priority patent/KR102056437B1/ko
Priority to CN201780021295.2A priority patent/CN108885957B/zh
Publication of EP3226276A1 publication Critical patent/EP3226276A1/de
Application granted granted Critical
Publication of EP3226276B1 publication Critical patent/EP3226276B1/de
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
    • 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
    • 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
    • H01H33/02—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
    • 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
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/40—Power arrangements internal to the switch for operating the driving mechanism using spring motor

Definitions

  • the present invention relates to a disconnector suitable for medium and high voltages (typically between 1kV and 550kV, or even greater than 550kV), as well as a disconnection method according to independent claims 1 and 15.
  • medium and high voltages typically between 1kV and 550kV, or even greater than 550kV
  • disconnector installations in particular at high voltage, is to be able to connect, but above all to disconnect, electrical connection elements which are generally enclosed in an enclosure filled with an insulating medium, such as sulfur hexafluoride, intended to limit the creation of electric arcs during the connection / disconnection of said electrical connection elements.
  • an insulating medium such as sulfur hexafluoride
  • Such installations are, for example, stations with a metal casing of the GIS (gas insultated switchgear) type.
  • GIS gas insultated switchgear
  • a disconnect switch comprises a mobile main connector or contact dedicated to be inserted into or removed from a fixed main connector or contact.
  • One of these solutions consists in coupling said movable main contact to a movable arcing contact, the latter being intended to be inserted into or removed from a fixed arcing contact integral with said fixed contact.
  • the fixed main contact and the fixed arcing contact are connected to a first electrical equipment, and the moving contact and moving arcing contact are connected to a second electrical equipment.
  • the placing in contact of the main contacts and the arcing contacts makes it possible to close the electrical circuit connecting the first and second electrical equipment. Conversely, the separation of said contacts opens said circuit and disconnects the first electrical equipment from the second electrical equipment.
  • the arcing contacts are used to delay the moment of appearance of an electric arc compared to the moment of disconnection of the main contacts and to limit the duration of such an arc, in particular in order to reduce wear. fixed and mobile contacts, and pollution of the insulating medium in which said contacts are located.
  • said movable arcing contact is coupled to the movable main contact by a displacement device, typically a spring device, allowing on the one hand a disconnection of the arcing contacts taking place after disconnection of the main contacts, and on the other hand, a sudden acceleration of the mobile arcing contact making it possible to instantly increase the distance between the fixed arcing contact and the moving arcing contact when the main contacts (fixed and moving) are already disconnected and in progressive relative distance at constant speed during a disconnection phase, i.e. opening of the electrical circuit connecting the first electrical equipment to said second electrical equipment.
  • the movable arcing contact is positioned in a chamber inside said movable main contact, the latter being in a final disconnection position.
  • Another solution is to use a special material, such as carbon or copper-tungsten, for the moving main contact which in this case also has the function of arcing contact. Unlike the previous solution, a single mobile contact is therefore present in the disconnector.
  • a problem with disconnectors as described above is linked to their use for higher voltages and currents which require higher opening speeds, which are difficult to achieve due for example to the inertia of the moving parts. Indeed, the higher the tension and the nominal current are high, the higher the transfer voltage (BTV) and the transfer current (BTC), and the faster the contact separation speed should be.
  • An object of the present invention is to provide a disconnector suitable for high voltages and a disconnection method which makes it possible to increase the relative speed of removal of the main contacts so as to interrupt as quickly as possible the electric arc forming between said said contacts.
  • Another object is to provide a disconnector requiring a small number of mechanical parts making it possible to optimize the masses of the moving elements, the size and the disconnection speeds for said disconnector.
  • the figure 1 presents an exemplary embodiment of a disconnector according to the invention. The latter is shown in the closed position.
  • the figures 2 to 6 show the same disconnector at different times when it is opened. The same references apply to the same elements of the disconnector throughout its opening illustrated by the figures 2 to 6 .
  • the disconnector according to the invention makes it possible to connect a first electrical device to a second electrical device when it is in the closed position as shown in figure 1 and disconnecting said first electrical equipment from said second electrical equipment when it is in the open position as shown in figure 6 .
  • the disconnector, said first electrical device and said second electrical device are typically encapsulated in an interrupting chamber comprising an insulating medium such as sulfur hexafluoride, said first electrical device being for example located at an upstream end of said disconnector and said second electrical equipment being located for example at a downstream end of said disconnector.
  • an insulating medium such as sulfur hexafluoride
  • the disconnector comprises in particular a first contact 1 connectable to the first electrical device and a second contact 2 connectable to said second electrical device.
  • the first contact 1 comprises at least one fixed part 1 ', ie stationary with respect to the interrupting chamber, and can optionally also include a movable part 11 with respect to said fixed part 1'.
  • the second contact 2 comprises a movable part and a fixed part 2 '.
  • the fixed part 2 'of the second contact 2 is sufficiently far from the first contact 1 to prevent any electric arcing. between the first contact and the second contact.
  • the movable part of the second contact 2 comprises a contact body 21 and a contact head 22 mounted movably between a position A and a position B defined relative to the contact body 21.
  • Position A is in particular a remote position, for example the furthest away, from said contact body 21, and position B is a close position, for example the closest, to said contact body 21.
  • the contact body 21 is itself. -even mounted movably along an axis A between a closed position F and an open position O.
  • said contact body 21 and the contact head 22 are in contact with said first contact 1 in order to connect electrically the fixed part 1 'of the first contact 1 with the fixed part 2' of the second contact 2, or in other words the first electrical equipment with the second electrical equipment, the contact head 22 being in position B when the contact body 21 is in closed position.
  • said contact body 21 and the contact head 22 are disconnected from said first contact 1 in order to electrically disconnect the fixed part 1 'of the first contact 1 and the fixed part 2' of the one from the other.
  • second contact 2 or in other words, said first electrical apparatus of said second electrical apparatus, the contact head 22 being in position B when the contact body 21 is in the open position.
  • the contact body 21 ends, both in the open position O and in the closed position F, with said contact head 22 movably mounted at one end of said contact body 21, the other end of said body contact 21 being fixed to a contact support 23.
  • the contact head 22 is slidably mounted relative to the contact body 21 so as to be able to slide between the position A remote from said contact body 21 and the close position B of said contact body 21, and vice versa.
  • the contact head 22 faces said first contact 1, so that a front view of the contact body 21 equipped with the contact head mounted movably on the latter only shows the contact head 22.
  • said contact body 21 comprises a front part against which the contact head 22 is pressed in the close position B, said front part being in particular fully covered by said contact head 22 when the latter is in position B so as to prevent frontal contact between the first contact 1 and the contact body 21, in particular between the contact body 21 and the movable part 11 of the first contact 1 , the contact body 21 being configured to contact only laterally via its lateral part said first contact 1, for example its fixed contacts 1 ', for example by means of electrical contacts side 12 integral with the fixed contacts 1 'of the first contact 1.
  • the contact support 23 is intended to support said contact body 21.
  • said contact body 21 and the contact support 23 are arranged in the extension of one another along said axis A and can present an essentially elongated shape extending along said axis A.
  • the contact support 23 comprises a first end and a second end, said first end being integral with said other end of said contact body 21 and said second end being axially distant from said contact body 21 along said axis A. 6.
  • said second end of the contact support 23 is configured to interact with a second displacement device in order to trigger a displacement of the contact head 22 such that it will be described later.
  • the disconnector according to the invention comprises a first displacement device capable of moving, preferably simultaneously, the movable part of the second contact 2 and / or the movable part of the first contact 1.
  • the first displacement device is capable of moving the contact body 21 from the closed position F to the open position O, and vice versa, at a speed V (t) as a function of time t.
  • a first displacement device is known to those skilled in the art and does not require further explanation.
  • the second displacement device is thus capable, during a displacement of said contact body 21 from the closed position F to the open position O, of temporarily maintaining, for example during a period of time Dt, the head of contact 22 in contact with said first contact 1 in particular by moving the latter from position B to position A relative to the contact body 21 (ie relative to a frame of reference linked to the contact body 21), while storing, during this movement from position B to position A, ie during said period of time Dt, energy, then suddenly releasing, at the end of said movement from position B to position A, i.e.
  • said stored energy in order to suddenly and transiently moving said contact head 22 from position A to position B so as to break the electrical contact between contact head 22 and said first contact 1, for example between the contact head and the movable part of said first contact .
  • said contact head 22 is kept in contact with said first contact 1.
  • said second displacement device makes it possible to move said contact head 22 at a speed V '(t)> V (t) during the transient displacement from said position A to said position B, said displacement taking place during a time interval [t'1, t'2] included in the time interval [t1, t2] necessary for the displacement of said contact body 21 between said closed position F and said open position O.
  • the triggering of the displacement of the contact head from position A to position B is implemented by interaction of the contact support 23 with said second displacement device.
  • a displacement, by said first displacement device, of the contact support 23 along said axis A in the opposite direction of said first contact 1 is able to cause an interaction of said contact support 23 with the locking system 25 causing a change in 'state of said locking system 25 passing from the first to the second state, and a displacement, by said first displacement device, of the contact support 23 in a direction along said axis A approaching said first contact 1 being able to cause the locking system 25 to pass from the second to the first state.
  • said interaction is an interaction between a surface of said contact support 23 and said locking system 25, for example between said surface and hooks 251 of said locking system 25.
  • the locking system blocking 25 comprises a hook 251 movable from a blocking position to an unlocking position and vice versa, which, when the blocking system 25 is in said first state, is positioned in the blocking position adapted to block a movement of said element 24 in a direction along said axis A away from said first contact 1, and, when the locking system 25 is in said second state, is positioned in the release position adapted to allow movement of said element 24 in the direction along said axis A moving away from said first contact.
  • the displacement of said hook 251 between its locking position and its unlocking position is caused by said interaction of said surface of said contact support 23 and part of said hook 251.
  • said hook 251 is provided with a wheel 252 configured to interact with an interaction surface S of said contact support 23, the interaction of said interaction surface S with said wheel 252 being able to cause movement of said contact support.
  • hook 251 in particular a pivoting around a ball joint 3 integral with a support base 4 of said disconnector, from said locking position to said position release, when said interaction surface S is in translation along said axis A by displacement of the contact support 23 in the direction along said axis A away from the first contact 1.
  • said contact support 23 comprises a first SI outer bearing surface for said wheel 252, for example a cylindrical surface, and optionally a second outer bearing surface S2 for said wheel 252, for example a cylindrical surface, the first surface S1, and optionally the second surface S2, being formed of a set of straight line segments parallel to said axis A, said interaction surface S joining for example said first surface SI while describing a bias with respect to the latter.
  • the interaction surface S joins the first surface SI to said second surface S2 by describing said bias with respect to said first and second surfaces, and therefore in particular with respect to said axis A.
  • the displacement of said roller 252 on said bias of the interaction surface S causes said hook 251 to move from the locking position to the unlocking position or vice versa according to the direction of movement of said contact support 23 by said first displacement device.
  • a movement of a part of the locking system, for example the roller of said hook, on the interaction surface of the contact support 23 causes a radial distance from said axis A which triggers the unlocking of the blocking system, ie the passage from the first state to the second state.
  • the locking system 25 comprises return means, for example elastic or spring, configured to exert a force or a moment of force on said hook 251 so as to oppose a displacement, by for example by pivoting, of said hook 251 from the locking position to said unlocking position.
  • said element 24 extends from one of its ends integral with the contact head 22 through the contact body 21 and the contact support 23 to the other of its ends axially remote from said contact head. 22 and configured to cooperate with the locking system.
  • said element 24 comprises at least one rod, preferably several rods, extending along said axis A beyond said second end of the contact support 23 and passing right through the latter.
  • said rod ends at the end closest to said second end of said contact body 23, with a stop washer 28 capable of interacting with said locking means 25, for example with said hook 251.
  • the figure 1 shows the disconnector according to the invention in the closed position.
  • the current can pass from the fixed contact 2 'to the fixed contact 1 via mainly the contact body 21 and secondarily the contact head 22 in contact with the movable part 11 of said second contact.
  • the mechanical system 26 is relaxed, for example, a spring 261 of said mechanical system is relaxed.
  • the locking system 25 is in particular already in the locking position, ready to interact with the contact support 23 when the latter moves away in a direction opposite to said first contact 1.
  • the first displacement device When the disconnector according to the invention is opened, the first displacement device will move the movable part of said second contact from a downstream position, called “closed position”, in which it is in contact with said first contact 1, to an upstream position, called “open position”, at which the movable part 11 of the first contact 1 and the movable part of the second contact 2 are disconnected from one another. Note that during connection, the reverse displacement is performed by means of said second displacement device.
  • a first phase illustrated in figure 2 , shows a simultaneous upstream movement of the movable part 11 of said first contact 1 and of the movable part of the second contact 2 with respect to the fixed parts 1 ', 2' of the first contact 1 and of the second contact 2.
  • This movement causes in particular a disconnection of the contact body 23 from a lateral electrical contact 12 configured to laterally contact a lateral part of the contact body 21 with the fixed part 1 'of the first contact 1 when the latter is in the closed position, while the head of contact 22 remains in constant contact with the moving part 11 of the first contact 1 throughout said displacement of the first phase.
  • Said lateral contact is in particular a contact integral with the fixed part 1 'of the first contact 1, for example a spring contact.
  • Said displacement of the first phase is in particular implemented by the first displacement device as explained previously.
  • a second phase illustrated by the figure 3 , comprises the continuation of the upstream movement of said contact body 21 by means of said first movement device, during which the contact head 22 is kept in contact with the first contact 1, in particular with the movable part 11 of said first contact 1, by the second displacement device configured to store energy while maintaining contact between the contact head 22 and the first contact 1.
  • the contact head 22 passes from position B brought closer to said contact body 21 to the position A away from said contact body 21.
  • said movable part 11 and the contact head 22 are kept stationary and in contact with one another, for example by the control system. blocking 25 of said second displacement device as described above, while the contact body 21 continues its upstream movement, always moving it a little further from said first contact 1.
  • Said energy is for example an elastic potential energy resulting from the compression of the spring 261 of the mechanical system 26 by the contact support 23, said spring 261 being in particular coupled to said contact support 23 and to said element 24 fixed to said contact head 22.
  • the rollers 252 are in contact with and move on the first surface S1.
  • a third phase comprises breaking the electrical contact between the contact head 22 and the first contact 1, in particular between the contact head 22 and the movable part 11 of said first contact 1, by triggering said second displacement device by means of the contact support 23 fixed to said contact body 21, said contact head 22 then passing from position A (cf. Fig. 4 ) to position B (cf. Fig. 5 ), while the contact body continues to move upstream, ie in a direction away from said first contact 1.
  • the triggering of said second device is preferably caused by interaction of the second displacement device with the support contact 23 during movement of the latter upstream, said interaction causing a sudden release of said energy and said contact breakage.
  • the castors 252 move from the first surface S1 to the second surface S2 passing through said interaction surface S.
  • This displacement on the interaction surface or in other words the passage from the first surface SI to the second surface S2 causes a radial separation casters 252 with respect to the axis A, this radial distance itself causing a movement, for example pivoting, of the hooks 251 around the ball joint 3, ie causing the state of said locking system to change, the latter passing from the first state to second state.
  • the hooks 251 which, until then, kept the element 24 and the contact head immobile relative to the fixed part 2 'of the second contact, releases said element 24, allowing at the same time the release of the energy stored by the mechanical system, for example the relaxation of said spring 261, which causes a displacement of said element 24 from downstream to upstream as represented by the arrow f in figure 4 , and consequently, a displacement of the contact head 22 from position A to position B.
  • a fourth phase illustrated by the figure 6 , comprises an upstream movement of the contact head in position B and of the contact body 23 until disconnection of the contact body 21 from another lateral electrical contact 27 configured to laterally contact the lateral part of the contact body 21 with the fixed part 2 'of the second contact (2) when the latter is in the closed position.
  • the upstream movement of the fourth phase ends when the contact body 21 is electrically disconnected from said other lateral contact 27 and is, with the contact head 22, set back inside the fixed contact 2 'of said contact. second contact.
  • the contact head 22 has the shape of a mushroom, ie has a substantially cylindrical trunk configured to slide in the contact body 21 and to be fixed to said element 24, said trunk being surmounted by a cap in the shape of a half. sphere or part of a sphere, the center of which is directed towards the trunk, in particular towards the central longitudinal axis of said trunk.
  • the contact body 21 is preferably cylindrical, hollow around said axis A, in order to allow a translational movement of said element 24 and of said trunk during movements along said axis A from upstream to downstream.
  • Said cap in particular completely covers the end of said contact body 21 which is closest to said first contact 1.
  • the movable part 11 of said second contact has a shape complementary to said cap, for example has a concave shape.
  • the cap of said contact head has a concave shape and said movable part 11 of said first contact 1 has a spherical shape.
  • the movable part of said first contact also comprises a contact head movable relative to a contact body, the second displacement device being designed to move in the opposite direction and simultaneously the contact head 22 of the second contact. and the contact head of said first contact upon opening of said disconnector.
  • the present invention proposes a new design of a disconnector, for which only part of the movable contact is set in rapid movement, which has the advantage of greatly reducing inertia, and makes it possible to achieve speeds of. much larger opening compared to existing techniques, all with little storage energy.

Landscapes

  • Gas-Insulated Switchgears (AREA)
  • Push-Button Switches (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Breakers (AREA)

Claims (15)

  1. Für Hochspannung angepasster Trennschalter, wobei der genannte Trennschalter umfasst:
    - einen ersten Kontakt (1),
    - einen zweiten Kontakt (2), ein bewegliches Teil und ein feststehendes Teil (2') umfassend, wobei das genannte bewegliche Teil einen Kontaktkörper (21) und einen Kontaktkopf (22) umfasst, der relativ zum Kontaktkörper (21) beweglich ist,
    - einen Kontaktträger (23), dafür ausgebildet, den genannten Kontaktkörper (21) zu tragen,
    - eine erste Versetzvorrichtung, geeignet, den Kontaktkörper (21) längs einer Achse A aus einer geschlossenen Stellung (F), in der der Kontaktkörper (21) mit dem genannten ersten Kontakt (1) in Kontakt steht, in eine offene Stellung (O) zu versetzen und umgekehrt,
    - eine zweite Versetzvorrichtung, die mit Hilfe des genannten Kontaktträgers (23) ausgelöst werden kann, geeignet, bei einem Versetzen des genannten Kontaktkörpers (21) aus der geschlossenen Stellung (F) in die offene Stellung (O) vorübergehend den Kontaktkopf (22) mit dem genannten ersten Kontakt (1) in Kontakt zu halten und dabei Energie zu speichern, und dann die genannte gespeicherte Energie plötzlich freizusetzen, um den genannten Kontaktkopf (22) aus einer Stellung A fern des genannten Kontaktkörpers in eine Stellung B nahe dem genannten Kontaktkörper übergehend zu versetzen, derart, dass der elektrische Kontakt zwischen dem Kontaktkopf (22) und dem genannten ersten Kontakt (1) unterbrochen wird,
    dadurch gekennzeichnet, dass der genannte Kontaktkörper (21) einen Vorderteil aufweist, an den der Kontaktkopf (22) in der nahen Stellung B anschlägt, wobei der genannte Vorderteil vollständig vom genannten Kontaktkopf (22) bedeckt wird, wenn dieser letztgenannte sich in der Stellung B befindet, derart, dass eine frontale Berührung zwischen dem ersten Kontakt (1) und dem Kontaktkörper (21) verhindert wird.
  2. Trennschalter nach Patentanspruch 1, in dem der genannte Kontaktkörper (21) sowohl in der offenen Stellung (O), wie in der geschlossenen Stellung (F) im genannten Kontaktkopf (22) endet, der an einem Ende des genannten Kontaktkörpers (21) beweglich montiert ist, während das andere Ende des genannten Kontaktkörpers (21) am genannten Kontaktträger (23) befestigt ist, wobei dieser letztgenannte ein erstes Ende und ein zweites Ende aufweist, wobei das genannte erste Ende mit dem genannten anderen Ende des genannten Kontaktkörpers (21) fest verbunden ist und das genannte zweite Ende in Achsenrichtung vom genannten Kontaktkörper (21) fern ist.
  3. Trennschalter nach Patentanspruch 2, in dem die genannte zweite Versetzvorrichtung ein Teil (24) umfasst, das am Kontaktkopf (22) befestigt ist und sich längs der Achse A mindestens bis zum genannten zweiten Ende des genannten Kontaktträgers (23) erstreckt.
  4. Trennschalter nach einem der Patentansprüche 1 bis 3, in dem der Kontaktkopf (22) derart befestigt ist, dass er relativ zum Kontaktkörper (21) gleiten kann.
  5. Trennschalter nach einem der Patentansprüche 1 bis 4, in dem der genannte Kontaktkopf (22) während der Übergangsbewegung aus der genannten Stellung A in die genannte Stellung B eine Geschwindigkeit V'(t) > V(t) hat, wobei die genannte Bewegung in einem Zeitintervall [t'1, t'2] stattfindet, das im Zeitintervall [t1, t2] enthalten ist, das für das Versetzen des genannten Kontaktkörpers (21) zwischen der genannten geschlossenen Stellung (F) und der genannten offenen Stellung (O) erforderlich ist.
  6. Trennschalter nach Patentanspruch 3, in dem die genannte zweite Versetzvorrichtung umfasst:
    - das genannte, mit dem genannten Kontaktkopf (22) derart fest verbundene Teil (24), dass es diesen erstgenannten bewegen kann, wobei sich das genannte Teil (24) von einem mit dem Kontaktkopf (22) fest verbundenen Ende durch den Kontaktkörper (21) und den Kontaktträger (23) hindurch bis zum vom genannten Kontaktkopf (22) in Achsenrichtung fernen Ende erstreckt und derart ausgebildet ist, dass es mit einem Verriegelungssystem zusammenwirkt,
    - wobei das genannte Verriegelungssystem (25) zwei Zustände aufweist, einen ersten Zustand, dafür eingerichtet, vorübergehend eine sich vom genannten ersten Kontakt (1) entfernende Bewegung des genannten Teiles (24) in einer Achsenrichtung (f) längs der genannten Achse A zu blockieren, bzw. einen zweiten Zustand, dafür eingerichtet, eine Bewegung des genannten Teiles (24) in der genannten Achsenrichtung zuzulassen,
    - ein an das genannte Teil (24) und an den genannten Kontaktträger (23) derart gekoppeltes mechanisches System (26), dass die genannte Energie während der vorübergehenden Blockierung des genannten Teiles (24) vom Verriegelungssystem (25) gespeichert wird.
  7. Trennschalter nach einem der Patentansprüche 1 bis 6, in dem der Kontaktträger (21) dafür eingerichtet ist, die zweite Versetzvorrichtung des Kontaktkopfes (22) auszulösen.
  8. Trennschalter nach Patentanspruch 6, in dem der Kontaktträger (23) dafür eingerichtet ist, mit dem Verriegelungssystem (25) durch Translationsbewegung längs der genannten Achse A zusammenzuwirken, wobei ein sich vom ersten Kontakt (1) entfernendes Versetzen des Kontaktträgers (23) in einer Richtung längs der genannten Achse A geeignet ist, das Verriegelungssystem (25) vom ersten Zustand in den zweiten Zustand übergehen zu lassen, und ein sich dem ersten Kontakt (1) näherndes Versetzen des Kontaktträgers (23) in einer Richtung längs der genannten Achse A geeignet ist, das Verriegelungssystem (25) vom zweiten Zustand in den ersten Zustand übergehen zu lassen.
  9. Trennschalter nach Patentanspruch 6 und einem der Patentansprüche 7 oder 8, in dem ein Teil des Verriegelungssystems (25) dafür eingerichtet ist, sich auf einer Interaktionsfläche (S) des Kontaktträgers (23) derart zu verschieben, dass eine radiale Entfernung des genannten Teiles gegenüber der genannten Achse A bewirkt wird.
  10. Trennschalter nach Patentanspruch 6 und einem der Patentansprüche 7 bis 9, in dem das Verriegelungssystem (25) einen Haken (251) umfasst, der aus einer Verriegelungsstellung in eine Entriegelungsstellung und umgekehrt bewegbar ist.
  11. Trennschalter nach Patentanspruch 10, in dem der genannte Haken (251) mit einer Rolle (252) versehen ist, die dafür eingerichtet ist, mit einer Interaktionsfläche (S) des genannten Kontaktträgers (23) zusammenzuwirken.
  12. Trennschalter nach einem der Patentansprüche 10 oder 11, in dem das Verriegelungssystem (25) Rückstellmittel umfasst, die dafür eingerichtet sind, eine Kraft auf den genannten Haken (251) auszuüben.
  13. Trennschalter nach einem der Patentansprüche 11 bis 12, in dem der genannte Kontaktträger (23) eine erste äußere Anlagefläche (S1) für die genannte Rolle (252) umfasst, wobei die genannte Interaktionsfläche (S) unter Bildung einer Schräge gegenüber der genannten ersten Fläche (S1) an die genannte erste Fläche (S1) stößt.
  14. Trennschalter nach einem der Patentansprüche 1 bis 12, in dem unabhängig von der Stellung des Kontaktkörpers (21) nur der Kontaktkopf (22) dem genannten ersten Kontakt (1) zugewandt ist, derart, dass eine Vorderansicht des Kontaktkörpers (21), versehen mit dem auf diesem letztgenannten beweglich montierten Kontaktkopf, lediglich den Kontaktkopf (22) erkennen lässt.
  15. Methode zur Trennung einer ersten elektrischen Apparatur von einer zweiten elektrischen Apparatur mit Hilfe eines Trennschalters, mit dem sie verbunden sind, wobei der Trennschalter einen ersten Kontakt (1) umfasst, der mit der ersten elektrischen Apparatur verbunden ist und ein bewegliches Teil (11) und ein feststehendes Teil (1') umfasst, einen zweiten Kontakt (2), der mit der ersten elektrischen Apparatur verbunden ist und ein bewegliches Teil und ein feststehendes Teil (2') umfasst, eine erste Versetzvorrichtung, geeignet, das bewegliche Teil des genannten zweiten Kontaktes aus einer Stromabwärtsstellung, in der es mit dem genannten ersten Kontakt (1) in Kontakt steht, in eine Stromaufwärtsstellung, in der das bewegliche Teil (11) des ersten Kontaktes (1) und das bewegliche Teil des zweiten Kontaktes (2) voneinander getrennt sind, und umgekehrt zu versetzen, wobei das genannte bewegliche Teil des zweiten Kontaktes (2) einen Kontaktkörper (21) und einen Kontaktkopf (22) umfasst, wobei diese letztgenannten in der Stromabwärtsstellung mit dem genannten ersten Kontakt (1) in Kontakt stehen, wobei die erfindungsgemäße Methode bei der Trennung der ersten elektrischen Apparatur von der zweiten elektrischen Apparatur in chronologischer Reihenfolge die folgenden Schritte umfasst:
    - gleichzeitiges Stromaufwärtsversetzen des beweglichen Teiles (11) des genannten ersten Kontaktes (1) und des beweglichen Teiles des genannten zweiten Kontaktes (2) mit Hilfe einer ersten Versetzvorrichtung, wobei der Kontaktkopf (22) während des genannten Versetzens unverändert mit dem beweglichen Teil (11) des ersten Kontaktes (1) in Kontakt bleibt,
    - Fortsetzen des Stromaufwärtsversetzens des genannten Kontaktkörpers (21), während dessen der Kontaktkopf (22) mit dem genannten ersten Kontakt (1) in Kontakt gehalten wird, dies mit Hilfe einer zweiten Versetzvorrichtung, die dafür eingerichtet ist, während des Haltens des Kontaktes zwischen dem Kontaktkopf (22) und dem ersten Kontakt (1) Energie zu speichern,
    - Unterbrechung des elektrischen Kontaktes zwischen dem Kontaktkopf (22) und dem ersten Kontakt (1) durch Auslösen der genannten zweiten Versetzvorrichtung mit Hilfe eines Kontaktträgers (23), der am genannten Kontaktkörper (21) befestigt ist, wobei das Auslösen der genannten zweiten Versetzvorrichtung durch ein Stromaufwärtsversetzen des genannten Kontaktträgers (23) bewirkt wird, der derart eingerichtet ist, dass er eine Wirkung auf die zweite Versetzvorrichtung veranlasst,
    - Stromaufwärtsversetzen des Kontaktkopfes in eine Stellung am Kontaktkörper (21) anliegend und Fortsetzen des Stromaufwärtsversetzens des genannten beweglichen Teiles des genannten zweiten Kontaktes (2) bis zur Trennung der genannten ersten elektrischen Apparatur von der genannten zweiten elektrischen Apparatur, dadurch gekennzeichnet, dass der genannte Kontaktkörper (21) einen Vorderteil aufweist, an den der Kontaktkopf (22) in der nahen Stellung B anschlägt, wobei der genannte Vorderteil vollständig vom genannten Kontaktkopf (22) bedeckt wird, wenn dieser letztgenannte sich in der Stellung B befindet, derart, dass eine frontale Berührung zwischen dem ersten Kontakt (1) und dem Kontaktkörper (21) verhindert wird.
EP16290056.7A 2016-03-31 2016-03-31 Trennschalter, der an mittel- und hochspannungen angepasst ist, und abschaltmethode mithilfe dieses trennschalters Active EP3226276B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP16290056.7A EP3226276B1 (de) 2016-03-31 2016-03-31 Trennschalter, der an mittel- und hochspannungen angepasst ist, und abschaltmethode mithilfe dieses trennschalters
PCT/EP2017/052689 WO2017167480A1 (fr) 2016-03-31 2017-02-08 Sectionneur adapte aux moyennes et hautes tensions et methode de deconnexion au moyen dudit sectionneur
KR1020187031024A KR102056437B1 (ko) 2016-03-31 2017-02-08 매체 및 고전압을 위한 단속기 및 상기 단속기에 의한 단속을 위한 방법
CN201780021295.2A CN108885957B (zh) 2016-03-31 2017-02-08 用于中高电压的隔离开关及借助所述隔离开关的断开方法

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US11380501B2 (en) * 2019-12-31 2022-07-05 Southern States Llc High voltage electric power switch with carbon arcing electrodes and carbon dioxide dielectric gas

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DE3832171A1 (de) * 1988-07-01 1990-01-04 Licentia Gmbh Einrichtung zur raschen ein- und ausschaltung von kleinen stroemen fuer trennschalter von v.i.s.
DE3938711A1 (de) * 1989-11-17 1991-05-23 Siemens Ag Trennschalter fuer metallgekapselte, druckgasisolierte hochspannungsschaltanlagen
US9068608B2 (en) * 2009-09-17 2015-06-30 Gates Corporation Isolator decoupler
FR2984590B1 (fr) * 2011-12-14 2014-07-04 Alstom Technology Ltd Ensemble conducteur mobile pour sectionneur, comprenant un ressort permettant d'accelerer la separation des contacts d'arc
FR3001081B1 (fr) * 2013-01-14 2016-05-13 Alstom Technology Ltd Sectionneur a contact d'arc rotatif

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KR20180123567A (ko) 2018-11-16
CN108885957B (zh) 2020-06-16
EP3226276A1 (de) 2017-10-04
WO2017167480A1 (fr) 2017-10-05
KR102056437B1 (ko) 2020-01-14

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