EP2735012B1 - Trennschalter für eine gasisolierte anlage mit einer vakuumröhre - Google Patents

Trennschalter für eine gasisolierte anlage mit einer vakuumröhre Download PDF

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Publication number
EP2735012B1
EP2735012B1 EP12735882.8A EP12735882A EP2735012B1 EP 2735012 B1 EP2735012 B1 EP 2735012B1 EP 12735882 A EP12735882 A EP 12735882A EP 2735012 B1 EP2735012 B1 EP 2735012B1
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EP
European Patent Office
Prior art keywords
contacts
contact
pair
permanent
vacuum bulb
Prior art date
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Active
Application number
EP12735882.8A
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English (en)
French (fr)
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EP2735012A1 (de
Inventor
Paul Vinson
Gwenaël Marquezin
André Cimala
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.)
General Electric Technology GmbH
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Alstom Technology AG
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Publication of EP2735012A1 publication Critical patent/EP2735012A1/de
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H01H33/121—Load break switches
    • H01H33/122—Load break switches both breaker and sectionaliser being enclosed, e.g. in SF6-filled container
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H33/6661—Combination with other type of switch, e.g. for load break switches

Definitions

  • the invention relates to a disconnector, or switch, for a gas-insulated installation with medium, high or very high voltage, in which a vacuum interrupter is installed.
  • the invention relates more particularly to a disconnector in which the vacuum interrupter makes it possible to limit the formation of electric arcs during the opening or closing of the disconnector, for example during a current switching operation in the games. of the installation bar.
  • the disconnectors associated with the busbars are successively manipulated so that the electric current flows continuously. in the installation.
  • the disconnector associated with the second busbar is closed and the disconnector associated with the first busbar is opened.
  • a vacuum interrupter has a gas-tight enclosure in which a vacuum has been created.
  • the vacuum lamp functions as an electrical switch and has a fixed conductor and a movable conductor which are able to come into contact with each other inside the vacuum chamber.
  • the vacuum created makes it possible to limit the formation of electric arcs when opening the vacuum interrupter.
  • the document DE 198 59 007 discloses a disconnector having permanent contacts, arcing contacts and a vacuum interrupter arranged in series with the arcing contacts.
  • the disconnector is designed so that the vacuum interrupter opens after the separation of the permanent contacts and before the separation of the arcing contacts.
  • the arcing contacts are protected against arcing.
  • the disconnector comprises a lever that cooperates with the movable arcing contact so that during an opening operation of the disconnector, the lever maintains the moving arcing contact in contact with the other arcing contact to maintain it. in position as long as the vacuum bulb is closed.
  • a return spring causes the movable arc contact to disconnect it from the fixed arc contact.
  • Such an embodiment of the disconnector is relatively complex because of the presence of the lever because the disconnector also comprises means for controlling the lever.
  • the object of the invention is to propose a disconnector comprising a vacuum interrupter whose structure and operation are simplified.
  • the invention proposes a disconnector for a gas-insulated installation with medium, high or very high voltage which comprises a first pair of contacts and a second pair of contacts, each pair of contacts of which has a permanent contact and an associated arc contact. , the contacts of the second pair of contacts being movable in translation longitudinally with respect to the contacts of the first pair of contacts between a disconnected downstream position, an intermediate position in which only the arc contacts of the two pairs of contacts are in electrical contact.
  • the isolator comprising a vacuum interrupter which is associated with one of the two pairs of contacts so that the arcing contact of said pair of contacts is electrically connected to the associated permanent contact ied via the vacuum interrupter, characterized in that the arc contact of each pair of contacts is movably mounted in translation longitudinally relative to the associated permanent contact between a close position of the associated permanent contact and a position remote from the associated permanent contact.
  • each arcing contact relative to the associated permanent contact makes it possible to maintain the electrical contact between the two contacts during an opening or closing operation of the disconnector.
  • each pair of contacts comprises elastic means for driving the arcing contact of said pair of contacts towards the position remote from the associated permanent contact.
  • the stiffness of the elastic means of the pair of contacts to which the vacuum interrupter is associated is less than the stiffness of the elastic means of the other pair of contacts.
  • the vacuum interrupter (24) is able to cause the arcing contact of the pair of contacts to which the vacuum interrupter is associated towards the close position of the associated permanent contact.
  • the other pair of contacts comprises elastic means for driving the arcing contact of said pair of contacts towards the position remote from the associated permanent contact.
  • the disconnector comprises means for maintaining contact between the arcing contacts of the two pairs of contacts during an opening operation of the disconnector, as long as the vacuum interrupter is closed.
  • the arcing contact of the pair of contacts to which the vacuum interrupter is associated is electrically connected to the permanent contact of said pair of contacts via the vacuum interrupter.
  • the arcing contact of the other pair of contacts is directly electrically connected to the permanent contact of said other pair of contacts.
  • the arcing contact of said pair of contacts to which the vacuum interrupter is associated is integral with a conductor of the vacuum interrupter and the permanent contact of said pair of contacts is secured to a other driver of the vacuum bulb.
  • the elastic means associated with said pair of contacts to which the vacuum interrupter is associated perform the driving of the vacuum bulb to an open position.
  • the disconnector comprises means for short-circuiting the vacuum interrupter when the arcing contacts and the permanent contacts of the two pairs of contacts are not in contact with one another, respectively.
  • the vacuum interrupter is associated with the first pair of contacts.
  • the vacuum bulb is associated with the second pair of contacts.
  • the permanent contact of the pair of contacts to which the vacuum interrupter is associated is of tubular form and the vacuum bulb is arranged inside said permanent contact.
  • FIG. 1 a disconnector 10 for a gas-insulated installation.
  • the disconnector 10 consists of a main axis element A of longitudinal orientation, it is arranged inside a closed chamber containing a dielectric gas to limit the formation of electric arcs.
  • the disconnector 10 comprises a first pair of contacts 12, located at one end on the left of the figure 1 , and a second pair of contacts 14 located at one end to the right of the figure 1 .
  • the left end of the disconnector 10 will be designated as the upstream end of the disconnector 10 and the right end of the disconnector 10 will be designated as the downstream end of the disconnector 10.
  • the second pair of contacts 14 is movable longitudinally relative to the first pair of contacts 12 between a disconnected downstream position shown in FIG. figure 1 , in which no electrical contact is established between their respective contacts, and an upstream position represented at the 2D figure wherein the respective contacts of the two pairs of contacts 12, 14 are in electrical contact with each other.
  • the downstream position of the second pair of contacts 14 corresponds to an open state of the disconnector 10 and the upstream position of the second pair of contacts 14 corresponds to a closed state of the disconnector 10.
  • Each pair of contacts 12, 14 mainly comprises a permanent contact 16, 20 and an arcing contact 18, 22.
  • the first pair of contacts 12 comprises a fixed permanent contact 16 and a fixed arcing contact 18 electrically connected to the fixed permanent contact 16.
  • the second pair of contacts 14 comprises a movable permanent contact 20 and a movable arcing contact 22 electrically connected. in permanent mobile contact 20.
  • the fixed arcing contact 18 and the movable arcing contact 22 are arranged radially at the main axis A of the disconnector 10, the fixed permanent contact 16 and the movable permanent contact 20 are offset radially with respect to the contacts of FIG. fixed arc 18 and mobile 22, so as to form coaxial tubes extending radially around and away from the arcing contacts 18, 22.
  • the moving permanent contact 20 is able to come into contact with the fixed permanent contact 16 and the moving arcing contact 22 is able to come into contact with the fixed arcing contact 18.
  • the disconnector 10 is designed so that during a closing operation of the disconnector 10, in a first step, the movable arcing contact 22 comes into contact with the fixed arcing contact 18, then, in a later step, the moving permanent contact 20 comes into contact with the fixed permanent contact 16, thus closing the disconnector 10.
  • the contact between the movable permanent contact 20 and the fixed permanent contact 16 is broken before the contact break between the movable arcing contact 22 and the fixed arcing contact. 18.
  • the disconnector 10 also comprises a vacuum interrupter 24.
  • the vacuum bottle 24 comprises a closed enclosure 30 in which a vacuum has been created and in which conductors 26, 28 are able to come into electrical contact with each other.
  • a first conductor 26 of the vacuum interrupter is fixed relative to the enclosure 30, the other conductor 28 is slidably mounted axially relative to the enclosure 30 and the fixed conductor 26, between a disconnected position of the fixed conductor 26 corresponding to the open state of the vacuum interrupter 24 and a position connected to the fixed conductor 26 corresponding to the closed state of the vacuum interrupter 24.
  • the vacuum interrupter 24 is associated with a pair of contacts 12, 14 in such a way that the arcing contact 18, 22 of this pair of contacts 12, 14 is electrically connected to the associated permanent contact 16, 20 of the pair of contacts. contacts 12, 14 by the vacuum interrupter 24.
  • the arcing contact 18, 22 of the pair of contacts 12, 14 is electrically connected to the associated permanent contact 16, 20 of the pair of contacts 12, 14 and when the Vacuum bulb 24 is open, the arcing contact 18, 22 of the pair of contacts 12, 14 is not electrically connected to the associated permanent contact 16, 20 of the pair of contacts 12, 14.
  • the arcing contact 22, 18 of the other pair of contacts 14, 12 is directly connected to the associated permanent contact 20, 16.
  • the vacuum interrupter is arranged coaxially with the contacts of the associated pair of contacts 12, 14 and is located inside the tubular space of the permanent contact 16, 20.
  • the vacuum bulb 24 is associated with the first pair of contacts 12, it is thus arranged between the fixed permanent contact 16 and the fixed arcing contact 18 and is located inside the tubular space of the fixed permanent contact 16.
  • the movable arcing contact 22 is directly electrically connected to the movable permanent contact 20.
  • the vacuum interrupter 24 is associated with the second pair of contacts 14, it is thus arranged between the movable permanent contact 20 and the movable arcing contact 22 and is located inside the tubular space of the contact mobile standing 20.
  • the fixed arc contact 18 is directly electrically connected to the fixed permanent contact 16.
  • the disconnector 10 is made such that during a closing phase, the moving permanent contact 20 moves axially towards the fixed permanent contact 16, that is to say here in a longitudinal translation upstream.
  • the moving arcing contact 22 is driven in translation by the moving permanent contact 20.
  • the movable arcing contact 22 comes into contact with the fixed arcing contact 18.
  • the vacuum interrupter 24 closes.
  • the moving permanent contact 20 comes into contact with the fixed permanent contact 16.
  • the arcing contact 18, 22 of each pair of contacts 12, 14 is mounted to slide axially relative to the permanent contact 16, 20 associated with the same pair of contacts 12, 14 between an axially remote position. of the associated permanent contact 16, 20 and an axially close position of the permanent contact 16, 20 associated.
  • the fixed arcing contact 18 is axially movable between a downstream axial position and an axial position upstream relative to the fixed permanent contact 16 and the movable arcing contact 22 is axially movable between a downstream axial position and an upstream axial position. relative to the moving permanent contact 20.
  • the arcing contact 18, 22 which is associated with the vacuum interrupter 24, that is to say here the fixed arcing contact 18, is integral with the movable conductor 28 of the vacuum interrupter 24.
  • Each pair of contacts 12, 14 also comprises elastic means for driving the arcing contact 18, 22 towards its position remote from the associated permanent contact.
  • the first pair of contacts 12 thus comprises a first elastic means 32, consisting here of a helical compression spring, which fixed arcing contact to its downstream position relative to the fixed permanent contact 16 and the second pair of contacts 14 comprises a second elastic means 34, also consisting here of a helical compression spring, driving the moving arcing contact 22 towards its upstream position relative to the moving permanent contact 20.
  • Each elastic means 32, 34 is connected to the arcing contact 18, 22 and the associated permanent contact 16, 20.
  • the elastic means 32, 34 is compressed axially between the arcing contact 18, 22 and the associated permanent contact 16, 20,
  • the fixed arcing contact 18 is integral with the movable conductor 28 of the vacuum interrupter 24. Therefore, the first elastic spring 32 carries the driving of the movable conductor 28 towards its remote position fixed conductor 26, that is to say towards an open position of the vacuum interrupter 24.
  • the stiffness of the spring 32, which is associated with the pair of contacts 12 which is itself associated with the vacuum bottle 24, is lower than the stiffness of the other spring 34.
  • the stiffness of the first spring 32 is lower than the stiffness of the second spring 34.
  • the disconnector 10 also comprises means for short-circuiting the vacuum interrupter 24 when the disconnector 10 is open, that is to say when the contacts of the second pair of contacts 14 are not electrically connected to the contacts of the first pair of contacts 12.
  • These short-circuit means are furthermore made in such a way that they do not connect the arcing contact 18 associated with the permanent contact 16 when closing or opening the disconnector 10.
  • the short-circuit means 36 are able to be actuated by a contact 20, 22 of the second pair of contacts 14 so that the contact is broken from a certain position of the contacts 20, 22 of the second pair of contacts 14.
  • the vacuum interrupter 24 is associated with the first pair of contacts 12.
  • the short-circuiting means 36 are made to connect the fixed arcing contact 18 to the fixed permanent contact 16, as can be seen in FIG. figure 1 .
  • the short-circuit means 36 comprise an annular element 38 which is mounted to slide axially with respect to the permanent contact 16 and which is permanently electrically connected to the fixed arcing contact 18.
  • a third spring 40 is compressed between a flange 42 fixed to the stationary arc contact 18 and the annular element 38 to drive the element annular 38 to a downstream position, in which the annular element 38 is in contact with the fixed permanent contact 16.
  • the third spring 40 and the flange 42 are electrically conductive, for electrically connecting the fixed arcing contact 18 to the annular element 38.
  • the annular element 38 is able to be disconnected from the fixed permanent contact 16 under the action of the moving permanent contact 20.
  • the mobile permanent contact 20 comprises for this purpose a pusher 44 of insulating material through which it exerts on the annular element 38 an action directed upstream, which opposes the action exerted by the third spring 40 on the annular element 38.
  • Figures 1 to 2D different successive states of the disconnector 10 during a closing step of the disconnector 10.
  • disconnector 10 is shown in an open state.
  • the contacts 20, 22 of the second pair of contacts 14 are located remotely, downstream of the contacts 16, 18 of the first pair of contacts 12.
  • the moving arcing contact 22 is maintained in its downstream position away from the moving permanent contact 20 by the second spring 34.
  • the fixed arcing contact 18 is maintained in its upstream position away from the fixed permanent contact 16 by the first spring 32, the vacuum bulb 24 is held in open position by the first spring 32.
  • the short-circuit means 36 electrically connect the fixed arcing contact 18 to the fixed permanent contact 16.
  • the moving permanent contact 20 moves upstream, that is to say here to the left.
  • This first time is defined so that the contact of the pusher 44 with the annular element 38 is effected before the moving arcing contact 22 comes into contact with the fixed arcing contact 18 and before the moving permanent contact. 20 does not come into contact with the fixed permanent contact 16.
  • the movable permanent contact 20 and the movable arcing contact 22 continue their upstream movement, driving the annular element 38 which disconnects from the fixed permanent contact 16, so that the fixed arcing contact 18 is more connected to the permanent fixed contact 16.
  • the fixed arcing contact 18 is then at the same electrical potential as the contacts 20, 22 of the second pair of contacts 14.
  • the movable arcing contact 22 is in abutment axially upstream against the arcing contact. fixed 18. Also, the arcing contacts 18, 22 are pressed against each other by the first spring 32 and the second spring 34. Thus, the arcing contacts 18, 22 are integral in axial displacement towards the earth. upstream.
  • the stiffness of the first spring 32 is less than the stiffness of the second spring 34.
  • a third step corresponding to the transition from the state represented to the Figure 2B in the state shown in Figure 2C the fixed arcing contact 18 moves upstream with respect to the fixed permanent contact 16 in solidarity with the movable arcing contact 22 and with the moving permanent contact 20.
  • the movable conductor 28 of the vacuum interrupter 24 also moves upstream, until it comes into contact with the fixed conductor 26, thus closing the vacuum interrupter 24, as shown in FIG. Figure 2C .
  • the movable conductor 28 of the vacuum interrupter 24 is in abutment axially upstream against the fixed conductor 26.
  • the movable conductor 28, and therefore the fixed arcing contact 18 and the movable arcing contact 22, are also in axial stop upstream, they can not move further upstream.
  • the disconnector 10 is then closed, the current flowing through the permanent contacts 16, 20.
  • the opening of the disconnector 10 is effected by an inverse displacement of the moving permanent contact 20, that is to say downstream, and corresponds to the succession of states since the state represented in FIG. 2D figure up to the state represented at figure 1 .
  • the second spring 34 gradually relaxes, keeping the vacuum bottle 24 closed and the electrical contact between the movable arcing contact 22 and the fixed arcing contact 18.
  • the first spring 32 expands so that the vacuum bulb 24 opens until the fixed arcing contact 18 arrives at its downstream position relative to the fixed permanent contact 16.
  • the annular element is driven by the third spring 40 to its downstream position bypassing the vacuum bulb, so that the fixed arcing contact 18 is connected to the fixed permanent contact 16 and is at the same electrical potential.
  • FIGS. 3A to 3D a second embodiment of the invention according to which the vacuum interrupter 24 is associated with the second pair of contacts 14.
  • the movable arcing contact 22 is connected to the movable permanent contact 20 via the vacuum interrupter 24 and the fixed arcing contact 18 is directly connected to the fixed permanent contact 16.
  • the stiffness of the second spring 34 which causes the movable arcing contact 22 to its upstream position relative to the movable permanent contact 20, is less than the stiffness of the first spring 32, which causes the contact fixed arc 18 towards its downstream position relative to the fixed permanent contact 16.
  • the short-circuiting means 36 of the vacuum interrupter 24 are associated with the second pair of contacts 14, they comprise here a metal plate 46 integral with the movable arcing contact 22.
  • the metal blade 46 is able to come into contact with an associated conductor 48 which is electrically connected and fixed to a fixed element 50 of the disconnector 10 which is electrically connected to the movable permanent contact 20.
  • the state represented in figure 3A corresponds to an open state of the disconnector 10.
  • the metal tab 46 of the short-circuit means 36 is disconnected from the associated conductor 48, the moving arcing contact 22 is then no longer electrically connected to the movable permanent contact 20.
  • the stiffness of the first spring 32 being greater than the stiffness of the second spring 34, the second spring 34 which is compressed so that the fixed arcing contact 18 and the movable arcing contact 22 remain stationary.
  • the movable arcing contact 22 moves axially downstream with respect to the moving permanent contact 20.
  • the mobile conductor 26 of the vacuum interrupter 24 moves in the enclosure 30 to come into contact with the fixed conductor 28.
  • the mobile conductor 26 of the vacuum interrupter 24 is in abutment with the fixed conductor 28, so that the moving arcing contact 22 is in its downstream position relative to the moving permanent contact 20.
  • a third step of the closing operation of the disconnector 10 corresponding to the transition between the state represented in FIG. figure 3C and the state represented at 3D figure the movable permanent contact 20 continues its upstream travel, causing the movable arcing contact 22, the fixed arcing contact 18 and the vacuum interrupter 24 which is closed.
  • the first spring 32 then compresses to allow the upstream displacement of the fixed arc contact 18.
  • the opening of the disconnector 10 is effected by an inverse displacement of the moving permanent contact 20, that is to say downstream, and corresponds to the sequence of the states represented in FIGS. 3D figures at 3A .
  • the first spring 32 gradually relaxes, keeping the vacuum bulb 24 closed, as well as the electrical contact between the movable arcing contact 22 and the fixed arcing contact 18.
  • the metal blade 46 of the short circuit means comes into contact with the conductor 48, short-circuiting the vacuum bulb 24, so that the fixed arcing contact 18 is connected to the fixed permanent contact 16 and is same electric potential.
  • the pair of contacts 12, 14 associated with the vacuum interrupter 24 does not include elastic means for driving the arcing contact 18, 22 to its position away from the associated permanent contact.
  • the vacuum interrupter causes the associated arcing contact 18, 22 towards its position close to the associated permanent contact.
  • the driver mobile 28 of the vacuum bulb 24 is driven by this vacuum towards the fixed conductor 26.
  • the movable arcing contact 22 is electrically connected to the movable permanent contact 20.
  • the movable arcing contact 22 is permanently electrically connected to the movable permanent contact 20 via the vacuum interrupter 24.
  • the contact between the conductors 26, 28 of the vacuum interrupter is broken before the rupture of contact between the movable arcing contact 22 and the contact fixed arc 18, preventing the formation of an electric arc between the movable arcing contact 22 and the fixed arcing contact 18.
  • the disconnector 10 comprises means for maintaining the contact between the movable arcing contact 22 and the fixed arcing contact 18 as long as the vacuum interrupter is closed.
  • the movable permanent contact 20 separates from the fixed permanent contact 16 in a second step, the vacuum interrupter opens, thereby breaking the electrical contact between the two pairs of contacts 12, 14 and in a third step, the contact between the movable arcing contact 22 and the fixed arcing contact 18 is broken.
  • the vacuum interrupter returns to its closed position because of the vacuum present inside it.
  • this variant embodiment relates to a disconnector 10 for which the vacuum interrupter 24 is associated with the first pair of contacts 12 or the second pair of contacts 14.

Landscapes

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

Claims (14)

  1. Trennschalter (10) für eine gasisolierte Anlage mit mittlerer, hoher oder sehr hoher Spannung,
    der ein erstes Paar von Kontakten (12) und ein zweites Paar von Kontakten (14) umfasst, von denen jedes Paar von Kontakten (12, 14) einen zugeordneten Permanentkontakt (16, 20) und einen zugeordneten Bogenkontakt (18, 22) umfasst,
    wobei die Kontakte (20, 22) des zweiten Paars von Kontakten (14) longitudinal bezüglich der Kontakte (16, 18) des ersten Paars von Kontakten (12) translationsbeweglich sind zwischen einer getrennten stromabwärtigen Position, einer Zwischenposition, in der nur die Bogenkontakte (18, 22) der zwei Paare von Kontakten (12, 14) in elektrischem Kontakt sind, und einer stromaufwärtigen Schließposition, in der die Bogenkontakte (18, 22) und die Permanentkontakte (16, 20) der zwei Paare von Kontakten (12, 14) in elektrischem Kontakt miteinander sind,
    wobei der Trennschalter (10) eine Vakuumröhre (24) umfasst, die einem der zwei Paare von Kontakten (12, 14) derart zugeordnet ist, dass der Bogenkontakt (18, 22) des Paars von Kontakten (12, 14) mittels der Vakuumröhre (24) elektrisch mit dem zugeordneten Permanentkontakt (16, 20) verbunden ist,
    dadurch gekennzeichnet, dass der Bogenkontakt (18, 22) jedes Paars von Kontakten (12, 14), longitudinal bezüglich des zugeordneten Permanentkontakts (16, 20) translationsbeweglich zwischen einer an den zugeordneten Permanentkontakt (16, 20) angenäherten Position und einer von dem zugeordneten Permanentkontakt (16, 20) entfernten Position montiert ist.
  2. Trennschalter (10) nach Anspruch 1, dadurch gekennzeichnet, dass jedes Paar von Kontakten (12, 14) elastische Mittel (32, 34) zum Antreiben des Bogenkontakts (18, 22) des Paars von Kontakten (12, 14) zu der vom zugeordneten Permanentkontakt (16, 20) entfernten Position umfasst.
  3. Trennschalter (10) nach Anspruch 2, dadurch gekennzeichnet, dass die Härte der elastischen Mittel (32, 34) des Paars von Kontakten (12, 14), dem die Vakuumröhre (24) zugeordnet ist, kleiner ist als die Härte der elastischen Mittel (34, 32) des anderen Paars von Kontakten (14, 12).
  4. Trennschalter (10) nach Anspruch 1, dadurch gekennzeichnet, dass die Vakuumröhre (24) dazu ausgelegt ist, den Bogenkontakt (18, 22) des Paars von Kontakten (12, 14), dem die Vakuumröhre (24) zugeordnet ist, zu der an den zugeordneten Permanentkontakt (16, 20) angenäherten Position anzutreiben.
  5. Trennschalter (10) nach Anspruch 4, dadurch gekennzeichnet, dass das andere Paar von Kontakten (12, 14) elastische Mittel (32, 34) zum Antreiben des Bogenkontakts (18, 22) des Paars von Kontakten (12, 14) zu der vom zugeordneten Permanentkontakt (16, 20) entfernten Position umfasst.
  6. Trennschalter (10) nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass er Mittel zum Beibehalten des Kontakts zwischen den Bogenkontakten der zwei Paare von Kontakten (12, 14) während einer Öffnungsoperation des Trennschalters umfasst, solange die Vakuumröhre (24) geschlossen ist.
  7. Trennschalter (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Bogenkontakt (18, 22) des Paars von Kontakten (12, 14), dem die Vakuumröhre (24) zugeordnet ist, elektrisch mittels der Vakuumröhre (24) mit dem Permanentkontakt (16, 20) des Paars von Kontakten (12, 14) verbunden ist.
  8. Trennschalter (10) nach Anspruch 7, dadurch gekennzeichnet, dass der Bogenkontakt (22, 18) des anderen Paars von Kontakten (12, 14) direkt elektrisch mit dem Permanentkontakt (20, 16) des anderen Paars von Kontakten (14, 12) verbunden ist.
  9. Trennschalter (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Bogenkontakt (18, 22) des Paars von Kontakten (12, 14), dem die Vakuumröhre (24) zugeordnet ist, mit einem Leiter (28) der Vakuumröhre (24) verbunden ist, und der Permanentkontakt (16, 20) des Paars von Kontakten (12, 14) mit einem anderen Leiter (26) der Vakuumröhre (24) verbunden ist.
  10. Trennschalter (10) nach dem vorhergehenden Anspruch in Verbindung mit Anspruch 2 oder 3, dadurch gekennzeichnet, dass die elastischen Mittel, die dem Paar von Kontakten (12, 14) zugeordnet sind, dem die Vakuumröhre (24) zugeordnet ist, den Antrieb der Vakuumröhre (24) zu einer Öffnungsposition realisieren.
  11. Trennschalter (10) nach einem der vorhergehenden Ansprüche in Verbindung mit Anspruch 2 oder 3, dadurch gekennzeichnet, dass er Mittel (36) zum Kurzschließen der Vakuumröhre (24) umfasst, wenn die Bogenkontakte beziehungsweise die Permanentkontakte der zwei Paare von Kontakten (12, 14) nicht in Kontakt miteinander sind.
  12. Trennschalter (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Vakuumröhre (24) dem ersten Paar von Kontakten (12) zugeordnet ist.
  13. Trennschalter (10) nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Vakuumröhre (24) dem zweiten Paar von Kontakten (14) zugeordnet ist.
  14. Trennschalter (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Permanentkontakt (16, 20) des Paars von Kontakten (12, 14), dem die Vakuumröhre (24) zugeordnet ist, röhrenförmig ist, und dass die Vakuumröhre (24) innerhalb des Permanentkontakts (16, 20) angeordnet ist.
EP12735882.8A 2011-07-21 2012-07-17 Trennschalter für eine gasisolierte anlage mit einer vakuumröhre Active EP2735012B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1156613A FR2978290B1 (fr) 2011-07-21 2011-07-21 Sectionneur pour une installation a isolation gazeuse comportant une ampoule a vide
PCT/EP2012/063964 WO2013011009A1 (fr) 2011-07-21 2012-07-17 Sectionneur pour une installation a isolation gazeuse comportant une ampoule a vide

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EP2735012A1 EP2735012A1 (de) 2014-05-28
EP2735012B1 true EP2735012B1 (de) 2015-08-12

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EP12735882.8A Active EP2735012B1 (de) 2011-07-21 2012-07-17 Trennschalter für eine gasisolierte anlage mit einer vakuumröhre

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EP (1) EP2735012B1 (de)
FR (1) FR2978290B1 (de)
WO (1) WO2013011009A1 (de)

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Publication number Priority date Publication date Assignee Title
FR3001575B1 (fr) * 2013-01-29 2015-03-20 Alstom Technology Ltd Disjoncteur pourvu de moyens reduisant l'arc de commutation entre contacts permanents

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DE19859007A1 (de) * 1998-12-21 2000-06-29 Abb Patent Gmbh Lasttrennschalter
DE19955217A1 (de) * 1999-11-17 2001-05-23 Abb Patent Gmbh Lastschalter

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FR2978290B1 (fr) 2013-09-13
WO2013011009A9 (fr) 2013-06-13
FR2978290A1 (fr) 2013-01-25
EP2735012A1 (de) 2014-05-28
WO2013011009A1 (fr) 2013-01-24
WO2013011009A8 (fr) 2014-01-09

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