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EP3929955B1 - Lasttrenn- oder kurzschlussstromschalter - Google Patents

Lasttrenn- oder kurzschlussstromschalter Download PDF

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Publication number
EP3929955B1
EP3929955B1 EP21382562.3A EP21382562A EP3929955B1 EP 3929955 B1 EP3929955 B1 EP 3929955B1 EP 21382562 A EP21382562 A EP 21382562A EP 3929955 B1 EP3929955 B1 EP 3929955B1
Authority
EP
European Patent Office
Prior art keywords
switch
break
load
short
circuit current
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
EP21382562.3A
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English (en)
French (fr)
Other versions
EP3929955A1 (de
Inventor
Jesús IZCARA ZURRO
Sergio Barrio Rodríguez
Severo Jose Aranaga López
Javier Larrieta Zubia
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.)
Ormazabal Corporate Technology AIE
Original Assignee
Ormazabal Corporate Technology AIE
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.)
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Application filed by Ormazabal Corporate Technology AIE filed Critical Ormazabal Corporate Technology AIE
Publication of EP3929955A1 publication Critical patent/EP3929955A1/de
Application granted granted Critical
Publication of EP3929955B1 publication Critical patent/EP3929955B1/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
    • H01H33/666—Operating arrangements
    • H01H33/6661—Combination with other type of switch, e.g. for load break switches
    • 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
    • H01H33/02—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
    • H01H33/125—Load break switches comprising a separate circuit breaker
    • H01H33/126—Load break switches comprising a separate circuit breaker being operated by the distal end of a sectionalising contact arm
    • 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
    • H01H33/6664—Operating arrangements with pivoting movable contact structure

Definitions

  • the invention relates to a load-break or short-circuit current switch, for application in electric power distribution networks, comprising a main circuit for the circulation of electric current and a secondary circuit for the circulation of shunt electric current.
  • the main circuit comprises a switch - disconnector with a fixed contact and a moving contact, while the secondary circuit comprises a vacuum switch that is actuated by the moving contact of the switch - disconnector.
  • the load-break or short-circuit current switch of the invention can adopt at least three operating positions, making - breaking - disconnecting, as well as a fourth grounding position, in the latter case comprising a grounding contact, thus having a compact load-break or short-circuit current switch capable of executing up to four operating positions.
  • the electrical switchgear used in electric power distribution networks is installed in enclosures that are usually metallic, called cells.
  • Said switchgear comprises operating means that perform the functions of breaking - disconnecting - grounding of the installation.
  • operating means such as disconnectors that comprise two contacts that can be joined to allow the current to pass or leave a physical separation determined by the safety standard or the manufacturer to prevent the passage of current, and which also comprise a third contact for grounding the electrical circuit.
  • disconnectors are sometimes not capable of performing the functions of the switch, that is, breaking the current when the circuit is on load or in the event of a fault due to overcurrent, if they have not been designed for it or do not have the appropriate extinguishing means.
  • operating means constituted by vacuum switches are known, which consist of a bottle inside of which a pair of electrical contacts is housed, a fixed one and the other a moving one that moves by the actuation of an operating mechanism, to perform the breaking - making functions of the corresponding electrical circuit. But these vacuum switches are not used for current breaking functions when the circuit is on load due to their high cost.
  • the moving contact of the main circuit disconnector in its opening sequence, intercepts / interacts with an actuating means arranged in the branch of the secondary circuit and which is associated with the vacuum switch by means of a kinematic chain or movement transmission system to act on the moving contact of said vacuum switch and cause its opening.
  • the actuating means is arranged at the free end of the branch of the secondary circuit, connected to it by means of an articulated area equipped with a stop that stops the movement of the actuating means in the opening direction of the disconnector and a spring that returns it to the stop position in the disconnector closure.
  • the actuating means comprises a first face covered by a conductor directed towards the disconnector and a second face opposite the first one and covered by an insulator.
  • the kinematic chain that transmits the movement to the moving contact of the vacuum switch comprises a plurality of elements, such as a moving part, a rod associated with the moving contact of the vacuum switch, a joint that allows articulation between the rod and the moving part, another fixed joint around which the moving part rotates, the articulated area that joins the actuating means with the branch of the secondary circuit, etc.
  • This plurality of elements in the kinematic chain implies a greater space for its assembly, which makes the electrical switchgear itself occupy more space and be less compact.
  • having so many elements in the kinematic chain makes the transmission of movement more complex, which reduces its reliability, since all the elements must be well synchronized, and also makes its cost higher.
  • ES2526220T3 has a means for actuating the moving contact of the vacuum switch in the branch of the secondary circuit, with the difference that in this solution the moving contact of the vacuum switch remains locked in its open position until the main circuit disconnector executes the closing sequence.
  • the purpose of this blocking is to protect against a possible rapid reclosing of the secondary circuit.
  • this blocking means that the vacuum switch is not ready for the next breaking operation and that the entire branch of the secondary circuit or shunt is not at the same electrical potential while the disconnector remains open.
  • the kinematic chain that transmits the movement to the moving contact of the vacuum switch comprises a plurality of elements, such as an actuating cam, springs, a lever (foldable if necessary), a engagement finger, projecting washers, off-center parts, etc., which implies a greater space for its mounting, which makes the electrical switchgear itself occupy more space and be less compact.
  • elements such as an actuating cam, springs, a lever (foldable if necessary), a engagement finger, projecting washers, off-center parts, etc.
  • control mechanism comprises a rotary rocker arm as a means of actuating the moving contact of the vacuum switch, which connects a rod that is associated with the moving contact of the vacuum switch with the moving contact of the main circuit.
  • the means for actuating the moving contact of the vacuum switch is part of the branch of the secondary circuit, being the electrical conduction through the branch of the secondary circuit provided by the rocker arm or possibly by a conductive switching lug, electrically connected to the moving contact of the vacuum switch and extending to a free end superimposed approximately on a free end of the rocker arm that intercepts the moving contact of the main circuit, wherein this moving contact of the main circuit frictions over the free end of the switching lug.
  • DE102004006476B4 also defines a means for actuating the moving contact of the vacuum switch that is part of the branch of the secondary circuit, comprising in said secondary circuit the complete kinematic chain for the transmission of movement to the moving contact of the vacuum switch.
  • the actuating means is part of the main circuit, since in this case the actuating means is a cam disc that is electrically and mechanically connected to the moving contact of the main circuit.
  • the moving contact of the vacuum switch comprises at its free end an electrically conductive pin element and this pin is intercepted by the cam disc in the opening sequence of the main circuit.
  • the cam disc comprises a guide slot into which the pin element is inserted and as the main circuit follows its opening sequence, the pin is forced to go through said guide slot, the pin in turn transmitting said movement to the moving contact of the vacuum switch.
  • the electrical current shunts through the pin element and the cam disc.
  • the cam disc In the closing sequence of the main circuit, the cam disc does not interfere with the pin element, so the vacuum switch is not subjected to any action and remains with its contacts closed.
  • This solution involves the drawback that the guide slot of the cam disc has to have a path that is synchronized with the movement path of the moving contact of the main circuit, so that as said moving contact of the main circuit moves, the pin element is located at the appropriate point in the guide slot to convert the angular displacement of the moving contact of the main circuit into linear displacement that the pin element must transmit to the moving contact of the vacuum switch.
  • the vacuum switch is fixed, that is, the vacuum switch does not comprise any movement, so the guide slot must be more precisely traced.
  • the load-break or short-circuit current switch object of the present invention is applicable in electrical power distribution facilities such as, for example, electrical transformation centers, distribution centers, substations, etc., for the protection and operation of electrical circuits, and solves each and every one of the problems mentioned above.
  • said load-break or short-circuit current switch can be incorporated into an enclosure, this enclosure being able to be watertight, and insulated in any dielectric gas such as air, dry air, N 2 , O 2 , CO 2 , or gas mixtures such as, for example, fluoroketones with vector gases such as CO 2 , N 2 , O 2 , air or mixtures thereof, or gas mixtures such as hydrofluoroolefins with vector gases such as N 2 , O 2 , dry air, helium, CO 2 or mixtures thereof, or sulfur hexafluoride, etc.
  • any dielectric gas such as air, dry air, N 2 , O 2 , CO 2 , or gas mixtures such as, for example, fluoroketones with vector gases such as CO 2 , N 2 , O 2 , air or mixtures thereof, or gas mixtures such as hydrofluoroolefins with vector gases such as N 2 , O 2 , dry air, helium, CO 2 or mixtures
  • the enclosure may comprise at least one electrical connection means, such as a male or female type bushing, and at least one mechanical connection means accessible both from the inside and from the outside, so that the coupling of other elements with the enclosure is facilitated, such as a operating mechanism by means of mechanical connection means or other electrical switchgear by means of electrical connection.
  • the load-break or short-circuit current switch of the invention is installed inside said enclosure and therefore insulated in the same gas that contains the enclosure.
  • the load-break or short-circuit current switch comprises a main circuit for the circulation of the electric current and a secondary circuit for the circulation of the shunt electric current.
  • the main circuit comprises at least one first operating means, such as a switch-disconnector equipped with a fixed contact and a moving contact, while the secondary circuit comprises at least one second operating means, such as a vacuum switch comprising inside a fixed contact and a moving contact.
  • the load-break or short-circuit current switch can adopt at least three operating positions, making - breaking - disconnecting - grounding, so that the switch-disconnector can also comprise a grounding contact.
  • the vacuum switch arranged in the secondary circuit performs the breaking operation and the switch-disconnector of the main circuit performs the making, disconnecting and grounding operations, thus compactly providing a load-break or short-circuit current switch capable of executing up to four operating positions.
  • the moving contact of this last element intercepts in the course of its opening stroke a free end of the secondary circuit and the electric current begins to circulate through the secondary circuit at the same time that it circulates through the main circuit.
  • the vacuum switch At the free end of the secondary circuit is the vacuum switch, so the vacuum switch is actuated by the movement of the moving contact of the switch - disconnector In this state in which the electric current circulates both through the main circuit and through the secondary circuit, following the opening sequence, the moving contact of the switch-disconnector is separated from the main circuit without producing any electric arc in the circuit.
  • the moving contact of the switch-disconnector of the main circuit comprises an actuating means that moves integral with said moving contact of the switch-disconnector, said actuating means being connected to the moving contact by means of a first articulation element, such as a return spring, so that the actuating means is the one that acts directly on the vacuum switch in the opening sequence of the load-break or short-circuit current switch.
  • the same actuating means constituted by a single element separates the vacuum switch contacts, thereby simplifying the kinematic chain, implying less space for its assembly, which makes the electrical switchgear itself occupy less space and be more compact. Also, having fewer elements in the kinematic chain makes the transmission of movement easier, which increases its reliability and also makes its cost more inexpensive
  • a second articulation element such as for example a return spring, leaving the moving contact of the vacuum switch free to be actuated by the actuating means in the opening sequence of the load-break or short-circuit current switch.
  • the moving contact of the vacuum switch comprises a stop means with which it mechanically and electrically connects the actuating means in the opening sequence of the load-break or short-circuit current switch.
  • the stop means can comprise at least one bolt, for example, in the form of a latch like the one presented by door locks, so that in an opening sequence of the load-break or short-circuit current switch the actuating means engages said bolt and pulls it until it is released when the vacuum switch reaches its breaking operating position.
  • the actuating means engages the bolt on the side that is not curved, which means that said bolt does not retract, and the actuating means is released due to its tilting in the first articulation element, which is when the vacuum switch reaches its breaking operating position.
  • the fixed contact of the vacuum switch is connected to the fixed part of the secondary circuit by means of the second articulation element, so that the vacuum switch comprises a movement around said second articulation element, such as a pendulum movement. Due to this movement of the vacuum switch, said vacuum switch, and also its junctions on the secondary circuit do not suffer any dry impact when the actuating means intercepts the moving contact of the vacuum switch, the same movement dampens or absorbs a large part of the impact.
  • the actuating means that is connected to the moving contact of the switch-disconnector is separated from the free end of the secondary circuit, that is, from the stop means of the moving contact of the vacuum switch and allows the vacuum switch to close its contacts, but without the passage of electric current since the secondary circuit remains open, and to return to its initial position by virtue of the action of the second articulation element.
  • the disconnecting operating position has been obtained. From this point on, the moving contact of the switch-disconnector would follow its opening sequence and by intercepting said moving contact the grounding contact would obtain the grounding position.
  • the actuating means comprises a first electrically conductive face and a second electrically insulating or insulated face opposite the first face, so that in the opening sequence of the load-break or short-circuit current switch the electrical conductive face is that which mechanically and electrically connects with the stop means of the moving contact of the vacuum switch.
  • the actuating means does not interfere electrically or mechanically with the vacuum switch, and therefore it does not interfere with the secondary circuit, because the actuating means comprises the second electrically insulating or isolated face and due to the fact that in the closing sequence the bolt of the stop means of the moving contact of the vacuum switch retracts allowing the actuating means to pass or the actuating means itself retracts and does not interfere with the stop means.
  • the switch-disconnector comprises an actuating shaft that acts on its moving contact to execute both the opening sequence and the closing sequence of the load-break or short-circuit current switch.
  • the load-break or short-circuit current switch may comprise a housing, wherein at least partially some of its elements are integrated, such as the moving contact of the switch-disconnector, the actuating means, the grounding contact of the switch-disconnector, etc.
  • the load-break or short-circuit current switch can comprise a three-phase configuration and comprise part of its elements corresponding to the three phases, at least partially, incorporated inside the housing.
  • Figure 1 shows an enclosure (22) inside which the load-break or short-circuit current switch (1) object of the present invention is installed, this enclosure (22) being able to be watertight, and insulated in any dielectric gas such as air, dry air, N 2 , O 2 , CO 2 , or gas mixtures such as, for example, fluoroketones with vector gases such as CO 2 , N 2 , O 2 , air or mixtures thereof, or gas mixtures such as, for example, hydrofluoroolefins with vector gases such as N 2 , O 2 , dry air, helium, CO 2 or mixtures thereof, or sulfur hexafluoride, etc.
  • any dielectric gas such as air, dry air, N 2 , O 2 , CO 2 , or gas mixtures
  • fluoroketones with vector gases such as CO 2 , N 2 , O 2 , air or mixtures thereof
  • gas mixtures such as, for example, hydrofluoroolefins with vector gases such as N 2 ,
  • the enclosure (22) comprises at least one electrical connection means (23), such as a male or female type bushing, and at least one mechanical connection means (24) accessible both from inside the enclosure (22) as well as from its outside, so that the coupling of other elements with the enclosure (22) is facilitated, such as a operating mechanism by means of mechanical connection means (24) or other electrical switchgear by means of electrical connection (23 ).
  • the load-break or short-circuit current switch (1) of the invention is installed inside said enclosure (22) and therefore isolated in the same gas that contains the enclosure (22).
  • the load-break or short-circuit current switch (1) comprises a main circuit (2) for the circulation of the electric current and a secondary circuit (3) for the circulation of the shunt electric current.
  • the main circuit (2) comprises at least a first operating means, such as a switch-disconnector (4), provided with a fixed contact (5) and a moving contact (6), while the secondary circuit (3) comprises at least one second operating means (7), such as a vacuum switch, which comprises inside a fixed contact (8) and a moving contact (9).
  • the load-break or short-circuit current switch (1) can adopt at least three operating positions, making - breaking - disconnecting - grounding, so that the switch - disconnector (4) can also comprise a grounding contact (15).
  • the vacuum switch (7) arranged in the secondary circuit (3) performs the breaking operation, as shown in figure 6
  • the switch-disconnector (4) of the main circuit (2) performs the making, disconnecting and grounding operations, as shown in figures 3 , 7 and 8 respectively.
  • the moving contact (6) of the switch-disconnector (4) intercepts, in the course of its opening stroke, a free end of the secondary circuit (3) and the electric current begins to circulate through the secondary circuit (3) while it circulates through the main circuit (2), as shown in the figure 4 .
  • the vacuum switch (7) At the free end of the secondary circuit (3) is the vacuum switch (7), so the vacuum switch (7) is actuated by the movement of the moving contact (6) of the switch-disconnector (4).
  • the moving contact (6) of the switch-disconnector (4) of the main circuit (2) comprises an actuating means (10) that moves integral with said moving contact (6) of the switch-disconnector (4), said actuating means (10) being connected to the moving contact (6) by means of a first articulation element (11), such as a return spring, such that the actuating means (10 ) is the one that acts directly on the vacuum switch (7) in the opening sequence of the load-break or short-circuit current switch (1).
  • a first articulation element such as a return spring
  • the fixed contact (8) of the vacuum switch (7) is connected to a fixed part (25) of the secondary circuit (3) by means of a second articulation element (12), such as a return spring, so that the vacuum switch (7) containing the contacts (8, 9) comprises a movement around said second articulation element (12), such as for example a pendulum movement.
  • the moving contact (9) of the vacuum switch (7) is free to be actuated by the actuating means (10) in the opening sequence of the load-break or short-circuit current switch (1).
  • the moving contact (9) of the vacuum switch (7) comprises a stop means (13) with which it mechanically and electrically connects the actuating means (10) in the opening sequence of the load-break or short-circuit current switch (1).
  • the stop means (13) can comprise at least one bolt (14), for example in the form of a latch such as that presented by door locks, as shown in Figure 9 , so that in an opening sequence of the load-break or short-circuit current switch (1) the actuating means (10) engages said bolt (14) and pulls it until it is released when the vacuum switch (7) reaches its breaking operating position, represented in figure 6 .
  • the actuating means (10) engages the bolt (14) on the side that is not curved, which means that said bolt (14) does not retract, and the actuating means (10) is released due to its tilting in the first articulation element (11), which is when the vacuum switch (7) reaches its breaking operating position represented in figure 6 .
  • the stop means (13) may comprise at least one bolt (14) connected to a different element of the stop means (13) by means of a mechanism (16) has also been considered, as shown in the Figure 10 , so that in an opening sequence of the load-break or short-circuit current switch (1) the actuating means (10) engages said bolt (14) and this bolt (14) retracts once the breaking position of the vacuum switch (7) is reached.
  • the actuating means (10) that is connected to the moving contact (6) of the switch-disconnector (4) is separated from the free end of the secondary circuit (3), that is, of the stop means (13) of the moving contact (9) of the vacuum switch (7), and allows the vacuum switch (7) to close its contacts (8, 9), but without passage of electric current since the secondary circuit (3) remains open, and to return to its initial position by virtue of the action of the second articulation element (12).
  • the actuating means (10) comprises a first electrically conductive face (19) and a second electrically insulating or insulated face (20) opposite the first face (19), so that in the opening sequence of the load-break or short-circuit current switch (1) the first electrically conductive face (19) is the one that mechanically and electrically connects with the stop means (13) of the moving contact (9) of the vacuum switch (7), so that said moving contact (9) is mechanically actuated while allowing the electrical conduction of the current through the secondary circuit (3).
  • the actuating means (10) does not interfere electrically or mechanically with the vacuum switch (7), and therefore neither with the secondary circuit ( 3), because the actuating means (10) comprises the second face (20) being electrically insulating or isolated and because in the closing sequence the bolt (14) of the stop means (13) of the moving contact (9) of the vacuum switch (7) retracts allowing the actuating means (10) to pass or the actuating means (10) itself retracts and does not interfere with the stop means (13).
  • the switch-disconnector (4) comprises an actuating shaft (17), as shown in Figures 2-8 , which acts on the moving contact (6) to execute both the opening sequence and the closing sequence of the load-break or short-circuit current switch (1) due to the action of a operating mechanism not represented in the figures and which can be coupled to the enclosure (22) through the mechanical connection means (24) represented in figure 1 .
  • the load-break or short-circuit current switch (1) may comprise a housing (18), as shown in Figures 2-8 , wherein at least partially some of its elements are integrated, such as the moving contact (6) of the switch-disconnector (4), the actuating means (10), the grounding contact (15) of the switch-disconnector (4), etc.
  • the load-break or short-circuit current switch (1) can comprise a three-phase configuration and therefore comprise part of its elements corresponding to the three phases, at least partially, incorporated inside the housing (18).

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Emergency Protection Circuit Devices (AREA)

Claims (12)

  1. Lasttrenn- oder Kurzschlussstromschalter (1) mit einem Hauptkreis (2) für die Zirkulation des elektrischen Stroms und einem Sekundärkreis (3) für die Zirkulation des elektrischen Nebenschlussstroms, wobei der Hauptkreis (2) einen Trennschalter (4) aufweist, der mit einem festen Kontakt (5) und einem beweglichen Kontakt (6) versehen ist, und wobei der Sekundärkreis (3) einen Vakuumschalter (7) aufweist, der seinerseits einen festen Kontakt (8) und einen beweglichen Kontakt (9) aufweist, wobei der Vakuumschalter (7) durch die Bewegung des beweglichen Kontakts (6) des Trennschalters (4) aktiviert wird,
    wobei der bewegliche Kontakt (6) des Trennschalters (4) des Hauptkreises (2) ein Betätigungsmittel (10) aufweist, das sich zusammen mit dem beweglichen Kontakt (6) des Trennschalters (4) bewegt, wobei das Betätigungsmittel (10) mit dem beweglichen Kontakt (6) des Trennschalters (4) mittels eines ersten Gelenkelements (11) verbunden ist, so dass das Betätigungsmittel (10) auf den Vakuumschalter (7) in der Öffnungssequenz des Lasttrenn- oder Kurzschlussstromschalters (1) wirkt, und
    gekennzeichnet
    dadurch, dass der Vakuumschalter (7) mittels eines zweiten Gelenkelements (12) mit einem festen Teil (25) des Sekundärkreises (3) verbunden ist, so dass der Vakuumschalter (7) eine Bewegung um das zweite Gelenkelement (12) herum aufweist.
  2. Lasttrenn- oder Kurzschlussstromschalter (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Bewegung des Vakuumschalters (7) um das zweite Gelenkelement (12) herum eine Pendelbewegung ist.
  3. Lasttrenn- oder Kurzschlussstromschalter (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass er mindestens drei Betriebsstellungen aufweist, Einschalten - Ausschalten - Unterbrechung - Erdung, so dass der Trennschalter (4) einen Erdungskontakt (15) aufweist
  4. Lasttrenn- oder Kurzschlussstromschalter (1) nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, dass der Festkontakt (8) des Vakuumschalters (7) mittels des zweiten Gelenkelements (12) mit dem festen Teil (25) des Sekundärkreises (3) verbunden ist, wobei der bewegliche Kontakt (9) des Vakuumschalters (7) in der Öffnungssequenz des Lasttrenn- oder Kurzschlussstromschalters (1) für die Betätigung durch das Betätigungsmittel (10) frei bleibt
  5. Lasttrenn- oder Kurzschlussstromschalter (1) nach Anspruch 4, dadurch gekennzeichnet, dass der bewegliche Kontakt (9) des Vakuumschalters (7) ein Anschlagmittel (13) aufweist, mit dem er das Betätigungsmittel (10) in der Öffnungssequenz des Lasttrenn- oder Kurzschlussstromschalters (1) mechanisch und elektrisch verbindet.
  6. Lasttrenn- oder Kurzschlussstromschalter (1) nach Anspruch 5, dadurch gekennzeichnet dass das Anschlagmittel (13) mindestens einen Riegel (14) in Form einer Klinke aufweist, so dass das Betätigungsmittel (10) bei einer Öffnungssequenz des Lasttrenn- oder Kurzschlussstromschalters (1) in den Riegel (14) eingreift und ihn zieht, bis er freigegeben wird, wenn der Vakuumschalter (7) seine Ausschaltposition erreicht, während der Bolzen (14) in einer Schließsequenz des Lasttrenn- oder Kurzschlussstromschalters (1) zurückgezogen wird, so dass das Betätigungsmittel (10) passieren kann.
  7. Lasttrenn- oder Kurzschlussstromschalter (1) nach Anspruch 5, dadurch gekennzeichnet, dass das Anschlagmittel (13) mindestens einen Bolzen (14) aufweist, der mittels eines Mechanismus (16) mit einem anderen Element des Anschlagmittels (13) verbunden ist, so dass das Betätigungsmittel (10) in einer Öffnungssequenz des Lasttrenn- oder Kurzschlussstromschalters (1) in den genannten Riegel (14) eingreift und sich dieser Riegel (14) zurückzieht, sobald die Ausschaltstellung des Vakuumschalters (7) erreicht ist, während sich das Betätigungsmittel (10) bei einer Schließsequenz des Lasttrenn- oder Kurzschlussstromschalters (1) zurückzieht und nicht mit dem Anschlag (13) kollidiert
  8. Lasttrenn- oder Kurzschlussstromschalter (1) nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, dass das Betätigungsmittel (10) eine erste elektrisch leitende Fläche (19) und eine zweite elektrisch isolierende oder isolierte Fläche (20), die der ersten Fläche (19) gegenüberliegt, aufweist.
  9. Lasttrenn- oder Kurzschlussstromschalter (1) nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, dass das erste Gelenkelement (11) und das zweite Gelenkelement (12) Rückstellfedern aufweisen.
  10. Lasttrenn- oder Kurzschlussstromschalter (1) nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, dass der Trennschalter (4) eine Betätigungswelle (17) aufweist, die auf den beweglichen Kontakt (6) des Trennschalters (4) wirkt
  11. Lasttrenn- oder Kurzschlussstromschalter (1) nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, dass er ein Gehäuse (18) aufweist
  12. Lasttrenn- oder Kurzschlussstromschalter (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass er eine dreiphasige Konfiguration aufweist
EP21382562.3A 2020-06-25 2021-06-25 Lasttrenn- oder kurzschlussstromschalter Active EP3929955B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES202030638A ES2888700B2 (es) 2020-06-25 2020-06-25 Interruptor de corte en carga o de corrientes de cortocircuito

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EP3929955A1 EP3929955A1 (de) 2021-12-29
EP3929955B1 true EP3929955B1 (de) 2022-09-21

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3130446B1 (fr) * 2021-12-13 2025-11-21 Schneider Electric Ind Sas Appareil de coupure de courant sur une ligne électrique comprenant une ampoule à vide
ES3034242T3 (en) 2022-05-12 2025-08-14 Abb Schweiz Ag A medium voltage switching apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2480622A (en) * 1945-12-04 1949-08-30 Gen Electric Electric switch
DE102004006476B4 (de) 2004-02-04 2006-02-09 Siemens Ag Lasttrennschalter
DE102005002139B4 (de) 2005-01-13 2007-01-25 Siemens Ag Dreistellungsschalter mit Kurvenscheibe
FR2937786B1 (fr) * 2008-10-29 2010-12-24 Areva T & D Sa Interrupteur de courant sur une ligne electrique comprenant une ampoule a vide
FR2946180B1 (fr) 2009-05-26 2012-12-14 Areva T & D Sa Dispositif d'accrochage et de verrouillage interne a un interrupteur ou a un disjoncteur.
FR2970809B1 (fr) 2011-01-25 2013-02-22 Schneider Electric Ind Sas Dispositif de coupure moyenne tension comprenant une ampoule a vide
CN104319166B (zh) * 2014-11-12 2016-05-18 沈阳华德海泰电器有限公司 一种采用连接母排实现负载侧外接地的三工位真空开关
FR3034251B1 (fr) * 2015-03-27 2017-04-28 Schneider Electric Ind Sas Interrupteur d'un reseau triphase

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EP3929955A1 (de) 2021-12-29
ES2888700A1 (es) 2022-01-05
ES2888700B2 (es) 2022-05-18
ES2928732T3 (es) 2022-11-22

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