EP2856487B1 - Hochspannungsschalter mit mehreren metalleinfassungen - Google Patents

Hochspannungsschalter mit mehreren metalleinfassungen Download PDF

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Publication number
EP2856487B1
EP2856487B1 EP13725993.3A EP13725993A EP2856487B1 EP 2856487 B1 EP2856487 B1 EP 2856487B1 EP 13725993 A EP13725993 A EP 13725993A EP 2856487 B1 EP2856487 B1 EP 2856487B1
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EP
European Patent Office
Prior art keywords
switch
switching
metal
enclosure
voltage
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EP13725993.3A
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English (en)
French (fr)
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EP2856487A1 (de
Inventor
Per Skarby
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ABB Schweiz AG
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ABB Technology AG
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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
    • H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
    • 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
    • H01H33/008—Pedestal mounted switch gear combinations
    • 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
    • H01H33/16—Impedances connected with 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
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
    • H01H2033/146—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc using capacitors, e.g. for the voltage division over the different switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/42—Impedances connected with contacts

Definitions

  • the invention relates to a high-voltage switch having a switching assembly in a metal enclosure.
  • the invention also relates to a method for operating such a switch.
  • Circuit breakers for high-voltage applications typically may comprise a switching assembly having one or more electrical switches arranged in a metal enclosure.
  • the metal enclosure is grounded, while the switching assembly is at high-voltage potential.
  • the size of the metal enclosure must be increased in order to keep the field strengths within acceptable limits. This is expensive and requires different circuit breaker components for different voltage ratings.
  • EP-A-0858140 discloses a high-voltage switch according to the preamble of claim 1.
  • the switch comprises at least two metal enclosures, with a switching assembly arranged in each metal enclosure, wherein said switching assemblies are arranged in series and wherein said at least two metal enclosures are electrically insulated from each other.
  • the two metal enclosures being electrically insulated from each other, and in particular being insulated from ground, allows arranging a plurality of metal-enclosed switching assemblies in series wile avoiding excessive electrical fields in any of them.
  • the high-voltage switch can comprise, for example, switching assemblies with high-voltage circuit breaking and/or high-voltage disconnecting function and/or high-voltage current commutating function.
  • the high-voltage switch can be a high-voltage disconnector, a high-voltage circuit breaker, a high-voltage current commutating device, or similar devices.
  • the switching assemblies are arranged in series such that a high voltage can be switched.
  • Each switching assembly is arranged in a metal enclosure, with the metal enclosures being electrically insulated from each other. This allows to keep the metal enclosures at different electrical potentials and therefore to reduce the electrical fields within them. Hence, smaller metal enclosures can be used.
  • the design is scalable in the sense that the same metal enclosure and switching assembly can be reused for different voltage ratings. For comparatively small voltage ratings, a single enclosure and switching assembly can be used. For larger voltage ratings, two, three or even more switching assemblies can be arranged in series, with each being mounted in its metal enclosures and the metal enclosures being mutually insulated.
  • the switch comprises a first metal enclosure enclosing a first switching assembly as well as a second metal enclosure enclosing a second switching assembly. Further, the switch comprises a first and a second terminal.
  • the switching assemblies are arranged in series between the terminals, such that they can interrupt a current flow between the terminals.
  • the first terminal is electrically connected to the first metal enclosure and a second terminal is electrically connected to the second enclosure.
  • the switch comprises, for each switching assembly, at least one impedance device arranged in parallel to the switching assembly or are arranged between the metal enclosure and a node between the switching assemblies.
  • the impedance devices can have matching impedances in order to evenly distribute the applied voltage over the switching assemblies and/or to compensate for a stray capacitance from the conductor to ground.
  • the invention also relates to a method for operating the above switch.
  • This method comprises the step of connecting a first one of the switching assemblies to a first high-voltage potential and a second one of the switching assemblies to a second high voltage potential in such a manner, that the switching assemblies are arranged in series between said first and said second potentials in order to interrupt the current flow between them.
  • high voltage designates voltages typically exceeding 72 kV.
  • a gas with elevated pressure designates an insulating gas having a pressure exceeding atmospheric pressure, in particular exceeding 2 bars.
  • Figs. 1 and 2 show switches having a first switching assembly la and a second switching assembly 1b.
  • First switching assembly la is arranged in a first metal enclosure 2a
  • second switching assembly 1b is arranged in a second metal enclosure 2b.
  • Each switching assembly comprises one or more electrical switching units 4.
  • a suitable switching unit may for example be based on the concepts presented in US 7,235,751 B2 .
  • each metal enclosure is filled with an insulating medium, in particular with a gas of elevated pressure, such as SF 6 , for increasing the break-down voltage.
  • a gas of elevated pressure such as SF 6
  • the two switching assemblies 1a, 1b are arranged in series and are interconnected by means of a conductive rod 5.
  • the two enclosures 2a, 2b are mechanically interconnected by means of an electrically insulating cylinder 6, which encloses the conductor 5.
  • Cylinder 6 can, for example, also be filled with an insulating gas of elevated pressure, such as SF 6 , for increasing the break-down voltage. Furthermore, it may or may not contain partitions in order to separate the total volume of gas or insulating medium into one or several gas zones.
  • an insulating gas of elevated pressure such as SF 6
  • the switch can be arranged as a whole in ambient air in a so-called live tank configuration.
  • the switch comprises two terminals 8a, 8b, for connecting it to a line 9 to be interrupted.
  • the first and second switching assemblies 1a, 1b are arranged in series between the first and the second terminals 8a, 8b. Further, in the present embodiment, first terminal 8a is electrically connected to first metal enclosure 2a and second terminal 8b is electrically connected to second metal enclosure 2b.
  • the switchs of Figs. 1 and 2 further comprise a frame designated by numerals 10a - 10j. It has a first section 10a, 10b, 10c, a second section 10d, 10e, 10f and a third section 10 9 - 10j.
  • First section 10a - 10c is mechanically connected to first metal enclosure 2a
  • second section 10d - 10f is mechanically connected to second metal enclosure 2b
  • third section 10g - 10j mechanically connects the first and second sections to each other.
  • At least third section 10g - 10j is electrically insulating. For example, it comprises a plurality of rods 10g, 10h, 10i and 10j extending between the first and the second sections 10a - 10c and 10d - 10f, respectively.
  • the switch comprises an electrically insulating suspension 12 for suspending the switch e.g. in a scaffolding 14.
  • the suspension 12 comprises several suspension members 12a - 12d, at least one of which is connected to first frame section 10a - 10c and at least another of which is connected to second frame section 10d - 10f. It must be noted, though, that the whole switch can also be supported from the ground, e.g. by means of support insulators, rather than being suspended from a scaffolding 14.
  • Each switching assembly comprises an actuator for actuating its switches.
  • a first actuator 15a is attributed to the first switching assembly 1a. It is at the potential of the first enclosure 2a and it comprises one or several actuating coils 15a" and an energy storage 15a'. Energy storage 15a' is mounted to first frame section 10a - 10c and feeds actuating coil(s) 15a" mounted in the first enclosure 2a for operating the first switching assembly 1a.
  • a second actuator 15b is attributed to the second switching assembly 1b. It is at the potential of the second enclosure 2b and it comprises at least one actuating coil 15a" and an energy storage 15b'.
  • Energy storage 15b' is mounted to second frame section 10d - 10f and feeds at least one actuating coil 15b" mounted in the second enclosure 2b for operating the second switching assembly 1b.
  • each actuator 15a, 15b is at the potential of the metal enclosure 2a, 2b of its switching assembly 1a, 1b; i.e. preferably the voltage difference between each actuator 15a, 15b and its respective enclosure 2a, 2b is less than 5 kV. If the enclosure may contain a plurality of contact members 1a, 1b, 4 as indicated below in Fig. 3 , the actuator needs to be electrically insulated therefrom.
  • the actuators 15a, 15b are electrically insulated from each other.
  • each actuator 15a, 15b comprises its own power supply with a galvanically insulated power feeder 16a, 16b, respectively.
  • a "galvanically insulated power feeder” is a feed for feeding electrical power from ground potential to an elevated high voltage potential.
  • feeds are known to the skilled person and can e.g. consist of a plurality of coupling capacitors in series creating a capacitive circuit between ground and high voltage potential that can be supplied by a high frequency source at ground potential (see for example US 2006152199 A1 ).
  • Other such power feeders may be based, for example, on inductive, hydraulic, pneumatic or mechanical principles.
  • the switch In operation, the switch is connected with its terminals 8a, 8b to a line 9 to be interrupted.
  • the switching assemblies 1a, 1b as well as conductive rod 5 are on the same high voltage potential.
  • the metal enclosures 2a, 2b will also be on high voltage potential.
  • the primary voltage drop of the system voltage to ground occurs over suspension 12 and power feeders 16a, 16b, which have been built for that purpose and are easily adapted to the respective voltage ratings.
  • the switching assemblies 1a, 1b When the switching assemblies 1a, 1b are switched off, i.e. when they are in their non-conductive state, there will typically be a high-voltage drop over the terminals 8a, 8b.
  • the potential on conductive rod 5, i.e. at the electrical node 17 between the switching assemblies 1a, 1b, will depend primarily on the impedances over each switching assembly, i.e. on the impedances between node 17 and the two terminals 8a, 8b, respectively, but also on the impedance between the enclosures 2a and 2b as defined e.g. by the length of cylinder 6.
  • impedances that affect the voltage distribution are the impedances of the terminals 8a, 8b to ground and of node 17 to ground.
  • Three closed dashed lines 20 in Fig. 2 enclose the three major parts of the breaker that are electrically connected to each other and are therefore on the same potentials.
  • an exemplary embodiment comprises auxiliary impedance devices 18a, 18b, which are close to equal and have e.g. absolute impedance values (at 50 Hz or 60 Hz) in the order of 1-10 M ⁇ .
  • the impedance devices 18a, 18b shall provide a larger capacitance than the stray capacitance of conductor 5 to ground, for example shall be larger by a factor 5 to 10.
  • the impedance devices are typically capacitors having a capacitive and resistive part.
  • Each switching assembly is arranged in parallel to one impedance device 18a, 18b, and all impedance devices are matched in order to evenly distribute the voltage applied to the switch over the switching assemblies 1a, 1b.
  • an impedance device 18c as shown, can be arranged between the two enclosures 2a, 2b.
  • impedance devices 18a, 18b can be inserted between the metal enclosure 2a, 2b and those terminals of the switching assemblies 1a, 1b that are connected to node 17.
  • the impedance devices 18a, 18b are arranged within the metal enclosures 2a, 2b.
  • the impedance devices 18a, 18b can be arranged outside the enclosures 2a, 2b, and can be arranged outside insulating cylinder 6 where there is more room to accommodate them.
  • the impedance devices 18a, 18b each extend from an enclosure 2a, 2b to the node 17 between the switching assemblies 1a, 1b.
  • a node terminal 19 is arranged between the two switching assemblies 1a, 1b, advantageously at equal distances from both switching assemblies.
  • Node terminal 19 is electrically connected to conducting rod 5 and extends outside insulating cylinder 6.
  • insulating cylinder 6 is split into two halves and node terminal 19 is arranged at the flanging point of the two halves.
  • the two impedance devices 18a, 18b are each connected to node terminal 19 at one of their ends, and to the enclosures 2a, 2b at their other ends.
  • the impedance devices 18a, 18b are, for example, capacitors, e.g. rated to some hundred kV each (e.g. 300 kV). They act as grading capacitors and have a capacitance of at least 100 pF, in particular in the range of some 100 pF to some few nF.
  • the metal enclosures 2a, 2b are electrically insulated from each other by the electrically insulating cylinder 6 as disclosed in Fig. 1, 2 , 6 and the accompanying description.
  • the metal enclosures 2a, 2b are electrically insulated from each other by the electrically insulating third section 10g, ..., 10j of the frame 10a, ..., 10j of the switch as disclosed in Fig. 1, 2 , 6 and the accompanying description.
  • the metal enclosures 2a, 2b are electrically insulated from ground, in particular by a solid insulator 16a, 16b or a support insulator.
  • metal enclosures 2a, 2b are electrically insulated from ground by the galvanically insulated power feeders 16a, 16b of the power supply of the actuators 15a, 15b, as disclosed in Fig. 1, 2 , 6 and the accompanying description.
  • the metal enclosures 2a, 2b are arranged in series to one another.
  • each metal enclosure 2a, 2b is closed in a gas-tight manner.
  • first metal enclosure 2a enclosing the first switching assembly 1a and the second metal enclosure 2b enclosing the second switching assembly 1b are each closed in a gas-tight manner.
  • the switch is a high-voltage switch for ac or dc applications, in particular a high-voltage disconnector, a high-voltage circuit breaker, or a high-voltage current commutating device.
  • the switch comprises two switching assemblies 1a, 1b arranged in series. It can, however, comprise even more switching devices arranged in series, with each switching device mounted in its metal enclosure and with neighboring metal enclosures being electrically insulated from each other. With this design, the switch can be scaled to even higher voltages while reusing the same switching assembly and metal enclosure designs.
  • each switching assembly 2a, 2b comprises one or more electrical switching units 4.
  • Fig. 2 shows an embodiment with two such switching units 4. If several switching units 4 are provided, at least some of them are advantageously arranged in series for increasing the withstand voltage of the switching assembly.
  • the metal enclosures 2a, 2b are not connected to ground.
  • the metal enclosures 2a, 2b at the ends of the series arrangement of switching assemblies 1a, 1b are connected (via a low-impedance connection) to the terminals 8a, 8b, respectively.
  • the connection between the metal enclosures and the terminals may be of higher impedance.
  • the impedances between the terminals and the adjacent metal enclosures as well as the impedances between neighboring metal enclosures are advantageously balanced such that (i) the voltage drops are the same, or at least approximately the same, over all switching assemblies, and (ii) the potential of each metal enclosure is in the center, or approximately in the center, between the potentials input and output terminals of the switching assembly that it encloses.
  • An example of such a switch with three switching assemblies 1a, 1b, 1c and three metal enclosures 2a, 2b, 2c is shown in Fig. 4 .
  • Impedance devices Z are provided between each metal enclosure 2a, 2b, 2c and a node 17 between two neighbouring switching assemblies, and optionally between an end-side metal enclosure 2a and 2c and its neighbouring terminal 8a and 8c, respectively. At least the absolute impedances values of all impedance devices Z are chosen to be equal, or at least to be sufficiently similar, in which case the above conditions (i) and (ii) are met if the impedances to ground are neglected.
  • the present switch is for example used for switching high voltages and low currents, e.g. at the location of device 10 in Fig. 2 of WO 2011/057675 , the content of which in its entirety is herewith made part of the disclosure by reference.
  • the high-voltage switch can comprise, for example, switching assemblies with high-voltage circuit breaking and/or high-voltage disconnecting function and/or high-voltage current commutating function.
  • the high-voltage switch can be a high-voltage disconnector, a high-voltage circuit breaker, a high-voltage current commutating device, or similar devices.
  • the switch can be used for dc as well as ac applications.
  • a typical distance between the two metal enclosures 2a, 2b can be in the order of some meters, such as 5 m - 6 m.

Landscapes

  • Gas-Insulated Switchgears (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Claims (24)

  1. Hochspannungsschalter, der eine Schaltbaugruppe (1a, 1b) umfasst, wobei die Schaltbaugruppe (1a, 1b) in einer Metalleinfassung (2a, 2b) angeordnet ist, dadurch gekennzeichnet, dass der Schalter mindestens zwei Metalleinfassungen (2a, 2b) umfasst, wobei in jeder Metalleinfassung (2a, 2b) eine Schaltbaugruppe (1a, 1b) angeordnet ist, wobei die Schaltbaugruppen (1a, 1b) in Reihe angeordnet sind und wobei die mindestens zwei Metalleinfassungen (2a, 2b) elektrisch voneinander isoliert sind, und
    wobei jede Schaltbaugruppe (1a, 1b) ein Betätigungselement (15a, 15b) zum Betätigen der Schaltbaugruppe (1a, 1b) umfasst, wobei die Betätigungselemente (15a, 15b) der Schaltbaugruppen (1a, 1b) elektrisch voneinander isoliert sind.
  2. Schalter nach Anspruch 1, wobei jedes Betätigungselement (15a, 15b) auf demselben Potential liegt wie die Einfassung (2a, 2b) des Schalters, den es betätigt.
  3. Schalter nach einem der Ansprüche, wobei jedes Betätigungselement (15a, 15b) eine Stromversorgung mit einer galvanisch isolierten Starkstromleitung (16a, 16b) umfasst.
  4. Schalter nach einem der vorhergehenden Ansprüche, der Folgendes umfasst:
    mindestens eine erste Metalleinfassung (2a) der Metalleinfassungen (2a, 2b), die eine erste Schaltbaugruppe (1a) der Schaltbaugruppen (1a, 1b) einfasst,
    mindestens eine zweite Metalleinfassung (2b) der Metalleinfassungen (2a, 2b), die eine zweite Schaltbaugruppe (1b) der Schaltbaugruppen (1a, 1b) einfasst, und
    einen ersten und einen zweiten Anschluss (8a, 8b),
    wobei die Schaltbaugruppen (1a, 1b) zwischen dem ersten und dem zweiten Anschluss (8a, 8b) in Reihe angeordnet sind.
  5. Schalter nach Anspruch 4, wobei der erste Anschluss (8a) mit der ersten Metalleinfassung (2a) elektrisch verbunden ist und der zweite Anschluss (8b) mit der zweiten Metalleinfassung (2b) elektrisch verbunden ist.
  6. Schalter nach einem der Ansprüche 4 bis 5, der ferner eine elektrisch isolierende Aufhängung (12) zum Aufhängen des Schalters umfasst.
  7. Schalter nach einem der Ansprüche 4 bis 6, der einen Rahmen (10a, ..., 10j) mit einem ersten Teilabschnitt (10a, 10b, 10c), der mit der ersten Einfassung (2a) verbunden ist, einem zweiten Teilabschnitt (10d, 10e, 10f), der mit der zweiten Einfassung (2b) verbunden ist, und einem dritten Teilabschnitt (10g, ..., 10j), der den ersten Teilabschnitt (10a, 10b, 10c) und den zweiten Teilabschnitt (10d, 10e, 10f) verbindet, umfasst, wobei der dritte Teilabschnitt (10g, ..., 10j) elektrisch isolierend ist.
  8. Schalter nach Anspruch 7, wobei der dritte Teilabschnitt (10g, ..., 10j) eine Vielzahl von Stangen umfasst, die sich zwischen dem ersten Teilabschnitt (10a, 10b, 10c) und dem zweiten Teilabschnitt (10d, 10e, 10f) erstrecken.
  9. Schalter nach einem der vorhergehenden Ansprüche, der ferner einen elektrisch isolierenden Zylinder (6), der zwei der Metalleinfassungen (2a, 2b) verbindet, und eine leitfähige Stange (5), die im Zylinder (6) angeordnet ist und die Schaltbaugruppen (1a, 1b) in den zwei Metalleinfassungen (2a, 2b) verbindet, umfasst.
  10. Schalter nach Anspruch 9, wobei der Zylinder (6) mit einem Isoliergas unter erhöhtem Druck gefüllt ist.
  11. Schalter nach einem der vorhergehenden Ansprüche, wobei die Metalleinfassungen (2a, 2b) mit einem Isoliergas unter erhöhtem Druck gefüllt sind.
  12. Schalter nach einem der vorhergehenden Ansprüche, wobei jede Schaltbaugruppe (1a, 1b) mehrere elektrische Schalteinheiten (4) umfasst.
  13. Schalter nach einem der vorhergehenden Ansprüche, der ferner für jede Schaltbaugruppe (1a, 1b) mindestens ein Impedanzelement (18a, 18b, Z) umfasst, das parallel zu jeder Schaltbaugruppe (1a, 1b) angeordnet ist oder zwischen der Metalleinfassung (2a, 2b) und einem Knoten (17) zwischen den Schaltbaugruppen (1a, 1b) angeordnet ist, wobei die Impedanzelemente (18a, 18b, Z) übereinstimmende Impedanzen aufweisen, um eine an den Schalter angelegte Spannung gleichmäßig über die Schaltbaugruppen (1a, 1b) zu verteilen und eine Streukapazität vom Leiter (5) gegen Erde auszugleichen.
  14. Schalter nach Anspruch 13, der ferner Folgendes umfasst:
    einen elektrisch isolierenden Zylinder (6), der zwei der Metalleinfassungen (2a, 2b) mechanisch verbindet,
    eine leitfähige Stange (5), die im Zylinder (6) angeordnet ist und die Schaltbaugruppen (1a, 1b) in den zwei Metalleinfassungen (2a, 2b) elektrisch verbindet, und
    einen zwischen den zwei Schaltbaugruppen (1a, 1b) angeordneten Knotenanschluss (19), der mit der leitfähigen Stange (5) elektrisch verbunden ist und sich außerhalb des isolierenden Zylinders (6) erstreckt,
    wobei die Impedanzelemente (18a, 18b) außerhalb des isolierenden Zylinders (6) angeordnet und mit dem Knotenanschluss (19) verbunden sind.
  15. Schalter nach einem der vorhergehenden Ansprüche, wobei die Metalleinfassungen (2a, 2b) durch einen festen Isolator elektrisch voneinander isoliert sind, insbesondere durch einen elektrisch isolierenden Zylinder (6) und/oder durch einen elektrisch isolierenden dritten Teilabschnitt (10g, ..., 10j) eines Rahmens (10a, ..., 10j) des Schalters.
  16. Schalter nach Anspruch 9 und Anspruch 15, wobei die Metalleinfassungen (2a, 2b) durch den elektrisch isolierenden Zylinder (6) elektrisch voneinander isoliert sind.
  17. Schalter nach Anspruch 7 und Anspruch 15, wobei die Metalleinfassungen (2a, 2b) durch den elektrisch isolierenden dritten Teilabschnitt (10g, ..., 10j) des Rahmens (10a, ..., 10j) des Schalters elektrisch voneinander isoliert sind.
  18. Schalter nach einem der vorhergehenden Ansprüche, wobei die Metalleinfassungen (2a, 2b) elektrisch gegen Erdpotential isoliert sind, insbesondere durch einen festen Isolator (16a, 16b) oder einen Stützisolator.
  19. Schalter nach Anspruch 3 und Anspruch 18, wobei die Metalleinfassungen (2a, 2b) durch die galvanisch isolierten Starkstromleitungen (16a, 16b) der Stromversorgung der Betätigungselemente (15a, 15b) elektrisch gegen Erdpotential isoliert sind.
  20. Schalter nach einem der vorhergehenden Ansprüche, wobei die Metalleinfassungen (2a, 2b) in Reihe miteinander angeordnet sind.
  21. Schalter nach einem der vorhergehenden Ansprüche, wobei jede Metalleinfassung (2a, 2b) gasdicht verschlossen ist.
  22. Schalter nach Anspruch 4 und Anspruch 21, wobei die erste Metalleinfassung (2a), die die erste Schaltbaugruppe (1a) einschließt, und die zweite Metalleinfassung (2b), die die zweite Schaltbaugruppe (1b) einschließt, je gasdicht verschlossen sind.
  23. Schalter nach einem der vorhergehenden Ansprüche, wobei der Schalter ein Hochspannungsschalter für Wechselstrom- oder Gleichstromanwendungen ist, insbesondere ein Hochspannungstrennschalter, ein Hochspannungsleistungsschalter oder ein Hochspannungsstromkommutierelement.
  24. Verfahren zum Bedienen des Schalters nach einem der vorhergehenden Ansprüche, das den Schritt des Verbindens einer ersten der Schaltbaugruppen (1a, 1b) mit einem ersten Hochspannungspotential und einer zweiten der Schaltbaugruppen (1a, 1b) mit einem zweiten Potential umfasst, sodass die Schaltbaugruppen (1a, 1b) elektrisch in Reihe zwischen dem ersten und dem zweiten Potential angeordnet sind.
EP13725993.3A 2012-05-31 2013-05-31 Hochspannungsschalter mit mehreren metalleinfassungen Active EP2856487B1 (de)

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Application Number Priority Date Filing Date Title
EP13725993.3A EP2856487B1 (de) 2012-05-31 2013-05-31 Hochspannungsschalter mit mehreren metalleinfassungen

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12170217 2012-05-31
PCT/EP2013/061262 WO2013178787A1 (en) 2012-05-31 2013-05-31 High-voltage switch with multiple metal enclosures
EP13725993.3A EP2856487B1 (de) 2012-05-31 2013-05-31 Hochspannungsschalter mit mehreren metalleinfassungen

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EP2856487A1 EP2856487A1 (de) 2015-04-08
EP2856487B1 true EP2856487B1 (de) 2016-06-29

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WO2018229970A1 (ja) * 2017-06-16 2018-12-20 東芝エネルギーシステムズ株式会社 直流遮断器、直流遮断器用の機械遮断装置、および直流遮断器用の半導体遮断装置

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US3123698A (en) * 1961-02-10 1964-03-03 Circuit breakers having interrupting contacts
US3418439A (en) * 1965-10-21 1968-12-24 Gen Electric High-voltage electric circuit breaker
DE4129008A1 (de) * 1991-08-28 1992-01-16 Slamecka Ernst Vakuumschalter
FR2759200B1 (fr) * 1997-02-04 1999-03-12 Schneider Electric Sa Disjoncteur a haute tension et a enveloppe metallique renfermant deux chambres de coupure par pole
SE518234C2 (sv) 2001-01-11 2002-09-10 Abb Ab Elektrisk anordning, strömbegränsare, elkraftnät samt användning av en strömbegränsare
SE525006C2 (sv) 2002-11-13 2004-11-09 Abb Ab Hjälpkraftförsörjning
DE102006050732A1 (de) 2006-10-20 2008-04-24 Siemens Ag Elektrische Schaltgeräteanordnung mit einer Schaltstelle
AU2009355281B2 (en) 2009-11-16 2014-01-16 Hitachi Energy Ltd Device and method to break the current of a power transmission or distribution line and current limiting arrangement
EP2390887A1 (de) * 2010-05-28 2011-11-30 ABB Technology AG Leistungsschalter

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EP2856487A1 (de) 2015-04-08
KR102038724B1 (ko) 2019-10-30
CN104380422A (zh) 2015-02-25
KR20150015478A (ko) 2015-02-10
CN104380422B (zh) 2017-03-08

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