EP2822013A1 - Commutateur de puissance haute tension avec unité de commutation haute tension - Google Patents

Commutateur de puissance haute tension avec unité de commutation haute tension Download PDF

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Publication number
EP2822013A1
EP2822013A1 EP13175296.6A EP13175296A EP2822013A1 EP 2822013 A1 EP2822013 A1 EP 2822013A1 EP 13175296 A EP13175296 A EP 13175296A EP 2822013 A1 EP2822013 A1 EP 2822013A1
Authority
EP
European Patent Office
Prior art keywords
contact
switching unit
circuit breaker
movement
voltage circuit
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.)
Withdrawn
Application number
EP13175296.6A
Other languages
German (de)
English (en)
Inventor
Florian Brandl
Jakub Korbel
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.)
ABB Technology AG
Original Assignee
ABB Technology AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ABB Technology AG filed Critical ABB Technology AG
Priority to EP13175296.6A priority Critical patent/EP2822013A1/fr
Priority to CN201410457732.3A priority patent/CN104282480A/zh
Publication of EP2822013A1 publication Critical patent/EP2822013A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
    • H01H3/605—Mechanical arrangements for preventing or damping vibration or shock making use of a fluid damper
    • 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
    • H01H33/166—Impedances connected with contacts the impedance being inserted only while closing the switch

Definitions

  • the invention relates to a high-voltage circuit breaker having a main current path and a secondary current path, wherein a resistor in the secondary current path can be switched by means of a high-voltage switching unit in the circuit.
  • a switch with improved switching characteristics.
  • a high voltage circuit breaker with Maustrompfad is from the US 4,499,350 known.
  • This known high-voltage circuit breaker has a main current path, which is separable by means of an interrupter unit. Parallel to the main current path, a secondary current path is guided, in which a switch and an on-resistance are connected in series. The on-resistance is switched on shortly before the closing of the contact arrangement of the interrupter unit in the circuit, such that the load current flows just before the closing of the main current path exclusively through the secondary current path with the on-resistance. Consequently, the insertion of the on-resistance into the circuit occurs under load.
  • a movable breaker contact of the breaker unit is driven by a drive unit.
  • Another gas-insulated, encapsulated high-voltage circuit breaker is from US 2,117,975 A known.
  • This high voltage circuit breaker has an interrupter unit. Parallel to this interrupter unit, a switch and an on-resistance are arranged, wherein the switch is connected in series to the on-resistance. A contact of the switch for switching on the on-resistance is moved along an axis.
  • the WO2009 / 034022 A1 shows a high-voltage circuit breaker with an interrupter unit, a turn-on and a series-connected to the on-resistance switch.
  • the interrupter unit has a movable, driven first break contact, which is used to open and close the high voltage circuit breaker interacts with a second breaker contact.
  • the switch connected in series with the on-resistance has a movable switching contact whose movement is mechanically coupled by means of a gear to the movement of the first breaker contact.
  • the switching contact is designed to be movable so that the switching contact for inserting the on-resistance is rotatable about an axis of rotation.
  • the object of the invention is to develop a known high-voltage circuit breaker such that it overcomes the disadvantages of the prior art, in particular has a more favorable switching characteristic.
  • a high voltage switching unit for switching a turn-on resistance into a sub-current path in a gas-insulated high-voltage circuit breaker. It comprises a switching contact movably mounted between a first end position and a second end position about an axis of rotation, wherein the switching contact in the second end position is connectable to a countercontact associated with the on-resistance, a gearbox for mechanically coupling a movement of the switching contact to the movement of a breaker contact is designed to synchronize the opening and closing movement of the switching contact with the movement of the breaker contact, at least one damping element which is adapted to decelerate in an end phase of an opening movement of the switching contact at the first end position whose movement, wherein the damping effect of at least a damping element is designed such that a rebound of the switching contact from the first end position in the direction of the mating contact during operation of the high-voltage switching unit is avoidable.
  • Another aspect relates to a gas-insulated high-voltage circuit breaker. It comprises an interrupter unit with a movable, driven first interrupter contact, which cooperates with a second interrupter contact for opening and closing the high-voltage circuit breaker, a starting resistor, and a high-voltage switching unit for switching the on-resistance into the current path.
  • the high-voltage switching unit comprises a switching contact movably mounted between a first end position and a second end position about an axis of rotation, the switching contact being in the second end position with a countercontact associated with the on-resistance a transmission adapted to mechanically couple a movement of the switching contact to the movement of a breaker contact of the high voltage circuit breaker to synchronize the opening and closing movement of the switching contact with the movement of the break contact, at least one damping element adapted to a deceleration effect of the at least one damping element is designed such that a rebound of the switching contact from the first end position in the direction of the mating contact during operation of the high-voltage switching unit can be avoided.
  • Another aspect relates to a gas-insulated switchgear with a high-voltage circuit breaker and a high-voltage switching unit comprising at least one damping element.
  • Fig. 1 an embodiment of a high-voltage switching unit according to the invention for switching on and off of a turn-on in a secondary current path of a high-voltage circuit breaker;
  • Fig. 2 shows a schematic representation of a circuit diagram of a high voltage circuit breaker with the high voltage switching unit of Fig. 1 ;
  • Fig. 3 shows a front view of a damping element of a high-voltage switching unit according to embodiments according to the Fig. 1 ;
  • Fig. 4 shows a schematic cross-sectional view of the damping element of Fig. 3 ;
  • Fig. 5 shows a schematic cross-sectional view of a high-voltage circuit breaker with a high-voltage switching unit according to the Fig. 1 ;
  • Fig. 6 shows graphically the recording of the movement of a switching contact of a high-voltage switching unit according to embodiments, in comparison with the same course in a conventional high-voltage switching unit.
  • the switching operation for switching the on resistance to the circuit is made as fast as possible, typically in the range of a few milliseconds.
  • the switching contact in the secondary current path is moved by a mechanical coupling with the movable breaker contact of the breaker unit of the high-voltage circuit breaker.
  • the secondary current path is switched on and off in embodiments by a switching contact, which is designed as a rotatable lever or arm about an axis.
  • the axis of rotation is typically, but not necessarily, in the region of one of the longitudinal ends of the switching contact, while the other end is freely rotatable about the axis of rotation.
  • the contact zone At the rotatable end region of the arm is the contact zone, which in a second end position of the switching contact with a the on-resistance assigned Mating contact is connected. In this second end position of the secondary current path is closed, and the on-resistance is connected in series in the circuit.
  • This condition is typically maintained for only a few milliseconds before the switch contact is moved back towards its first end position by coupling with the movable breaker contact of the high voltage circuit breaker at high speed.
  • this first end position of the secondary current path is open, that is, the on-resistance is not connected in the current path of the high-voltage circuit breaker.
  • the first end position is the switching contact, while the high-voltage circuit breaker is permanently open or closed, ie in a stationary state of the high-voltage circuit breaker.
  • the second end position in which the secondary current path is closed and the series resistor is connected in the circuit, on the other hand, is taken only during the switch-on process of the high-voltage circuit breaker for a few milliseconds.
  • a damping element is used in embodiments.
  • This is typically a gas damper.
  • the damping element brakes the switch contact at the end of its opening movement.
  • the damping element typically comprises a gas as a damping medium, which is pressed during the braking or damping process through at least one opening or a channel. Due to the flow resistance of the gas when passing through the narrowing of the channel or the opening, as well as by the inertia of the gas volume moved thereby, the kinetic energy of the switching contact is converted into heat and defined the switching contact and controlled brakes.
  • a spring is typically provided, which forms a mechanically oscillatory system or an oscillator together with the damper comprising the gas and the mass of the moving parts of the gas damper.
  • the components of this oscillatory system are tuned so that upon impact of the switching contact on the damping element, the system behaves according to the aperiodic limiting case. This means that no periodic oscillation arises, but the damping element from its deflection by the impact and the damped braking of the switch contact directly attenuated returns to its original or rest position.
  • Fig. 1 shows a high-voltage switching unit 15 according to embodiments for switching a turn-on resistor 18 in a parallel Maustrompfad a gas-insulated high-voltage circuit breaker 10.
  • the high-voltage switching unit 15 includes a switching contact 20 which is movably mounted about a rotation axis L.
  • the axis of rotation L is typically fixedly attached to the housing of the high voltage circuit breaker 10, in which the high voltage switching unit 15 is used.
  • the switching contact 20 is rotatable between a first end position E1 and a second end position E2.
  • the first end position E1 is a Maustrompfad 13 with a turn-on resistor 18 (see Fig. 2
  • the second end position E2 which is typically occupied by the switching contact 20 in each case only for a few milliseconds during operation, the secondary flow path 13 is closed and the on-resistance 18 is parallel to the main current path 11 of the high voltage circuit breaker connected.
  • the switching contact is briefly in the end position E2
  • a contact piece 70 of the switching contact 20 is connected in the second end position E2 with a connected to the on-resistance mating contact 21, which switches the Maustrompfad 13 with the on-resistance 18 in the circuit.
  • the high-voltage switching unit 15 can also be considered as a pushbutton or as provided with a pushbutton functionality.
  • the first end position E1 and the second end position E2 are each shown in dashed lines. The associated different positions of the movable first breaker contact 35 and the transmission 30 are not shown for purposes of illustration.
  • the movable breaker contact 35, the breaker contact 36, and the fastener 37 for the switching contact 20 do not belong to the high-voltage switching unit 15 according to embodiments. They belong to embodiments of an inventive high-voltage circuit breaker 10, which is the high-voltage switching unit 15 with include (see Fig. 5 ), and are in Fig. 1 only for reasons of better understanding of the function of the high-voltage switching unit 15 located.
  • the movable breaker contact 35 typically moves linearly along an axis B during the switching process of the gas-insulated high-voltage circuit breaker 10 and cooperates with a second, typically stationary break contact 36.
  • the gear 30 and the spatial position of the high-voltage switching unit 15 to the movable breaker contact 35 is designed to convert the linear switching movement of the movable breaker contact 35 of the high-voltage circuit breaker 10 in a rotational movement about the axis of rotation L.
  • the combination of gear 30, the mechanical coupling thereof via the pivot 31 to the movable breaker contact 35, and the switch contact 20 is adapted to the rotational opening and closing movement of the switch contact 20 between the first end position E1 and the second end position E2 with the typically linear movement of the breaker contact 35 to synchronize.
  • This operation is the expert from the prior art, such as from WO 2009/034022 A1 known.
  • the high-voltage switching unit 15 is designed in embodiments such that the mechanical coupling of the switching contact 20 to the movement of a movable breaker contact 35 takes place only during a period t during the closing of the high-voltage circuit breaker 10. This is determined or determined in particular by the shape of the transmission 30.
  • the time period t is typically shorter than the total duration of the closing movement of the high-voltage circuit breaker 10.
  • At least one damping element 40 is provided. It is designed, in a final phase of an opening movement of the switching contact 20 at the first end position E1 to decelerate or dampen its movement in a defined manner.
  • the damping element 40 prevents the switching contact 20 experiences a double pulse by impact with a stationary element 116 at the first end position E1 and again strikes back undesirable in the opposite direction of the end position E2. In this undesirable case, e.g. an arc that has arisen when opening the switch contact 20 from the second end position, flare up again.
  • the damping effect of the at least one damping element 40 is typically designed such that such a rebounding of the switching contact 20 from the first end position E1 in the direction of the mating contact 21 and the second end position E2 during operation of the high-voltage switching unit 15 can be avoided or avoided.
  • the damping element 40 in conjunction with the switching contact 20 and the transmission 30, allows a desired rapid opening of the switching contact 20 without risking the disadvantages of rebounding of the switching contact from the first end position E1 due to the increased speed.
  • the switching contact 20 is made of lightweight construction, i. approximately provided with recesses and reduced in cross section.
  • a light metal such as aluminum or its alloys may be used.
  • the damping element 40 opens a faster, more precise and more defined switching operation without the described risk of an increased likelihood of a rebound of the switching contact 20 via various effects.
  • the damping element typically comprises a gas as a damping medium, which is pressed through at least one opening 44 or a channel. Due to the flow resistance of the gas when passing through the narrowing of the channel or the opening 44, as well as by the inertia of the gas volume moved thereby, the kinetic energy of the switching contact 20 is converted and the switching contact braked.
  • a spring is typically provided inside the damping element 40 (in FIG Fig. 1 not shown), which together with the moving gas and the mass of the moving parts of the damping element 40, a mechanically oscillatory system or forms an oscillator.
  • the components of this oscillatory system are tuned so that upon impact of the switch contact on the damping element 40, the system braked with the course of an aperiodic limit case. That is, the damping element 40 is compressed upon impact of the switching contact 20, and then by the spring again in the direction of its initial position or to its output variable (in the direction of the axis of movement of the element) to be moved. Due to the design for the aperiodic limit case, also referred to as critical damping, no overshoot of the damping element and of the switch contact occurs via the initial position of the damping element. Rather, the damping element returns damped to its output variable or output height and also moves the switching contact again defined and damped a piece in the opposite direction of its previous opening movement of E2 to E1.
  • FIG Fig. 2 The schematic diagram of a high-voltage circuit breaker 10 with a high-voltage switching unit 15 according to exemplary embodiments as described above is shown in FIG Fig. 2 shown.
  • a main current path 11 can be switched or interrupted by means of an interrupter unit 14. This typically includes a first movable break contact 35, a second break contact 36, and a movable break contact 35 drive unit (not shown in FIG Fig. 2 , please refer Fig. 1 and Fig. 5 ).
  • Parallel to the main current path 11, a secondary current path 13 is guided, which in series with one another has the high-voltage switching unit 15 according to exemplary embodiments and an on-resistance 18.
  • Such high voltage circuit breakers 10 are used for switching currents in networks of over 400 kV (kilovolts), in particular of over 500 kV, in gas-insulated high-voltage switchgear.
  • gas-insulated switchgear for example, sulfur hexafluoride (SF 6 ) is used as the insulating gas in the gas space 100.
  • SF 6 sulfur hexafluoride
  • a high voltage circuit breaker 10 according to embodiments may be used instead of in a gas-insulated switchgear in a hybrid switchgear, in which elements of the gas-insulated switchgear assembly technology are combined with elements of air-insulated switchgear engineering.
  • a single high-voltage switching unit 15 instead of a single high-voltage switching unit 15, several high-voltage switching units in series with each other be arranged.
  • the operation of a high voltage circuit breaker 10 according to embodiments is with reference to Fig. 5 detailed.
  • a damping element 40 is designed in accordance with embodiments to use an insulating gas of the high-voltage circuit breaker 10 as a damping medium. That is, an inner volume V of the damping element 40 communicates with the surrounding gas space 100 via at least one channel or opening, which is typically provided in the housing of the damping element 40.
  • FIG Fig. 3 A schematic structure of such a damping element 40 according to exemplary embodiments is shown in FIG Fig. 3 shown. It typically includes a base member 41 that is stationarily connected approximately to a stationary member 116 of the housing of the high voltage circuit breaker 10, such as in FIG Fig. 1 schematically shown by the hatched lines above the element 116 and the damping element 40. On the base member 41, a stop member 42 is movably mounted.
  • the volume V typically but not necessarily communicates with the gas space 100 of the gas-insulated high-voltage circuit breaker.
  • one or more openings 44 or channels can be provided. In Fig. 4 these are provided in the base element 41. In embodiments, they may alternatively or additionally be provided in the stop element 42.
  • the cross-section of the openings is one of the determining factors for the damping behavior of the system of switching contact 20.
  • the stop member 42 is movable along the axis C relative to the fixed base member 41.
  • Fig. 4 a sectional drawing of the damping element 40 is shown.
  • the spring 46 is provided in embodiments to receive a portion of the kinetic energy of the switch contact 20 while it is being decelerated. While the stopper member 42 is moved by the striking switch contact 20 (in FIG. 3 and FIG. 4 this would be vertically down, in the realization as in the Fig. 1 obliquely above, with respect to a footprint of the high power switch), the volume V between the base member 41 and the stopper member 42 is compressed and the gas therein is partially forced through the opening (s) 44 in the outer region of the damping element 40. This is typically the surrounding gas space 100 of the high power switch, which is typically about filled with SF 6 under overpressure.
  • Embodiments also relate a gas-tight closed damping element, in which, when compressed, the gas within the damping element 40 flows from a first internal volume into a second internal volume through openings (not shown).
  • the preferred use of the gas space 100 of the high-voltage circuit breaker 10 has approximately the advantage that it is not necessary to pay attention to the permanent absolute gas-tightness of the housing of the damping element 40.
  • the combination of the strength of the spring 46 and the cross section of the openings 44 is typically tuned as mentioned, that a critical damping of the movement of the switch contact upon reaching the end position E1 and striking the damping element 40 is achieved.
  • the gas therein exits through the orifice (s) 44, the flow resistance at the orifices 44 or channels inhibiting the movement of the gas, thereby creating a pressure increase in the volume V.
  • the damping element 40 is typically designed such that it brakes the switching contact 20 to a maximum of the last 10%, preferably the last 5%, of the path of its opening movement between the second end position E2 and the first end position E1.
  • the distance is expediently measured in angular units of the angle ⁇ of the rotation of the switching contact about the axis L, or the distance traveled by a location on the switching contact on the circular motion. In other mechanical configurations and embodiments, in which approximately the switching contact 20 performs a linear movement, this applies analogously.
  • the gear 30 is connected via a pivot 31 with a driver 32 which is designed for permanent attachment to a movable breaker contact 35 of a high voltage circuit breaker 10.
  • the high voltage switching unit 15 includes one, two or more damping elements 40.
  • damping elements 40 For two damping elements 40, as in FIG Fig. 1 It is advantageous that the braking force acts through the damping elements 40 at several points of the switching contact 20. As a result, a deformation of the switching contact 20 by a punctual or small-scale effect of brake force, which may be the case with only one damping element 40, can be avoided.
  • only one damping element 40 may be provided that has approximately an elongated extension in the direction of a longitudinal axis of the switching contact 20 (not shown) in order to achieve a larger-scale engagement of the braking force and thus to reduce dynamic deformation of the switching contact 20 during braking.
  • the switching contact 20 may be executed in embodiments as already mentioned in lightweight construction, which can lead to a higher susceptibility to dynamic deformations.
  • a lightweight construction of the switching contact 20 can be advantageously added structurally.
  • the lightweight construction for example by choosing a material with a relatively low density, or by milling or recesses in the material of the switching contact 20, thereby supporting a fast switching operation.
  • the high-voltage switching unit 15 is off Fig. 1 used in high voltage circuit breakers 10.
  • a high-voltage circuit breaker 10 has a first housing part 52, in which the high-voltage switching unit 15 and an interrupter unit 14 is arranged, and parallel to the first housing part 52, a second housing part 56, in which the on-resistance 18 is arranged.
  • the first housing part 52 as well as the second housing part 56 are made of a metal, in particular aluminum and are in operation of the gas-insulated switchgear at ground potential. They typically form an encapsulated common gas space 100.
  • the first housing part 52 as well as the second housing part 56 are respectively provided at both ends with connecting end portions 60, 61, 62, 63, which allow the first housing part 52 to be coupled to the second housing part 56.
  • the connecting end regions 60, 61, 62, 63 each have lateral connection sockets 64, 65, 66, 67 with flanges.
  • the first housing part 52 as well as the second housing part 56 is substantially tubular.
  • the interrupter unit 14 is arranged within the substantially tubular portion of the second housing part 56 of the on-resistance 18 arranged, which is arranged substantially along a second housing axis A2 defined by the tubular portion.
  • a known drive unit 71 is coupled, by means of which the high-voltage switching unit 15 for switching on and off of the Einschaltwiderstands 18 or to interrupt the Maustrompfades 13, as well as the interrupter unit 14 is driven to interrupt the main flow path 11 .
  • the switch 15 is arranged within that connection end region 60 of the first housing part 52, which adjoins the drive unit 71.
  • the mechanical connection between the drive unit 71 and the switch 15 as the interrupter unit 14 is made via a drive rod 74 made of insulating material, which extends in the direction of the first housing axis A1 and is moved by the drive unit 71 in the direction of the first housing axis A1. By a gas-tight passage, the drive rod 74 is guided from outside the first housing part 52 into this.
  • the two connecting end regions 60, 61 of the first housing part 52 each have an outlet connection 76, by means of which the high-voltage circuit breaker 10 can be connected to other elements of a gas-insulated switchgear.
  • the outlet connection pieces 76 are arranged laterally with respect to the first housing axis A1, opposite the connection pieces 64, 65.
  • a conductor 80 In order to connect the high-voltage circuit breaker 10 electrically with other elements of the gas-insulated switchgear, runs through the outlet connection 76 of the drive-side Kirsend Schemes 60, a conductor 80, by means of known insulation elements (not shown) spaced from the first housing part 52 is held.
  • the conductor 80 extends from the opening of the outlet nozzle 76 to the high voltage switching unit 15.
  • the conductor 80 is electrically connected to the switching contact 20 of the high voltage switching unit 15 and to a movable first breaker contact 35 of the breaker unit 14.
  • a fixed counterpart contact 21, described below, of the switch 15, which cooperates with the movable switching contact 20 for closing the switch 15, is arranged within the connection piece of the drive-side connection end region 60 of the first housing part 52. From the mating contact 21, a conductor 81 passes through the drive-side connection end region 62 of the second housing part 56 and connects the mating contact 21 with a first connection contact 90 of the on-resistance 18.
  • a second terminal contact 92 of the on-resistance 18 is connected via a further conductor 82, which extends through the connection end 63 of the second housing part 56, to a conductor 83 which extends from the connection piece 65 of the connection end region 61 of the first housing part 52 facing away from the drive unit 71 to the outgoing branch 76 of the same connection end 61 extends.
  • this conductor 83 is also a for closing the breaker unit 14 specific second breaker contact 36 is connected.
  • the conductors 80, 81, 82, 83 are held by known, disc-shaped or conical insulators within the first and second housing part 52, 56 such that they in the radial direction to the conductor 80, 81, 82, 83 as uniform distances to the first or second housing part 52, 56 have.
  • Fig. 6 Graphically represents the measured switching profile of a high-voltage circuit breaker 15 according to embodiments (as crosses or cross points shown measuring points), from the first end position E1 to the second end position E2 and back as a time course of the angular position ⁇ (relative units) on the x-axis.
  • Embodiments also relate to a gas-insulated switchgear (GIS) comprising a high-voltage circuit breaker 10 with a high-voltage switching unit 15 having at least one damping element 40.
  • GIS gas-insulated switchgear

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  • Circuit Breakers (AREA)
  • Gas-Insulated Switchgears (AREA)
EP13175296.6A 2013-07-05 2013-07-05 Commutateur de puissance haute tension avec unité de commutation haute tension Withdrawn EP2822013A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13175296.6A EP2822013A1 (fr) 2013-07-05 2013-07-05 Commutateur de puissance haute tension avec unité de commutation haute tension
CN201410457732.3A CN104282480A (zh) 2013-07-05 2014-07-04 带有高压切换单元的高压功率开关

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13175296.6A EP2822013A1 (fr) 2013-07-05 2013-07-05 Commutateur de puissance haute tension avec unité de commutation haute tension

Publications (1)

Publication Number Publication Date
EP2822013A1 true EP2822013A1 (fr) 2015-01-07

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EP13175296.6A Withdrawn EP2822013A1 (fr) 2013-07-05 2013-07-05 Commutateur de puissance haute tension avec unité de commutation haute tension

Country Status (2)

Country Link
EP (1) EP2822013A1 (fr)
CN (1) CN104282480A (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4430579A1 (de) * 1994-08-18 1996-02-22 Siemens Ag Hochspannungsschalter mit einem Hauptschaltkontakt und einer Hilfsschalteinrichtung
EP1026710A2 (fr) * 1999-02-06 2000-08-09 Felten & Guilleaume AG Interrupteur pour des installations de commutation à moyenne tension isolées par SF6
WO2009034022A1 (fr) * 2007-09-10 2009-03-19 Abb Technology Ag Commutateur de puissance à haute tension comprenant un commutateur pour mettre en circuit une résistance de mise en marche
DE102011081921A1 (de) * 2011-08-31 2013-02-28 Siemens Aktiengesellschaft Magnetaktor und Verfahren zu dessen Einsatz an elektrischen Schaltanlagen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4430579A1 (de) * 1994-08-18 1996-02-22 Siemens Ag Hochspannungsschalter mit einem Hauptschaltkontakt und einer Hilfsschalteinrichtung
EP1026710A2 (fr) * 1999-02-06 2000-08-09 Felten & Guilleaume AG Interrupteur pour des installations de commutation à moyenne tension isolées par SF6
WO2009034022A1 (fr) * 2007-09-10 2009-03-19 Abb Technology Ag Commutateur de puissance à haute tension comprenant un commutateur pour mettre en circuit une résistance de mise en marche
DE102011081921A1 (de) * 2011-08-31 2013-02-28 Siemens Aktiengesellschaft Magnetaktor und Verfahren zu dessen Einsatz an elektrischen Schaltanlagen

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Publication number Publication date
CN104282480A (zh) 2015-01-14

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