EP3698387A1 - Dispositif et procédé pour la commutation de hautes tensions comprenant un dispositif de commutation et exactement une pile résistive - Google Patents

Dispositif et procédé pour la commutation de hautes tensions comprenant un dispositif de commutation et exactement une pile résistive

Info

Publication number
EP3698387A1
EP3698387A1 EP18800563.1A EP18800563A EP3698387A1 EP 3698387 A1 EP3698387 A1 EP 3698387A1 EP 18800563 A EP18800563 A EP 18800563A EP 3698387 A1 EP3698387 A1 EP 3698387A1
Authority
EP
European Patent Office
Prior art keywords
arrangement
stack
flange
insulator
contact
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.)
Granted
Application number
EP18800563.1A
Other languages
German (de)
English (en)
Other versions
EP3698387B1 (fr
Inventor
Reinhard GÖHLER
Lutz-Rüdiger JÄNICKE
Subodh Kale
Bernd Kruska
Jörg Teichmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Energy Global GmbH and Co KG
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP3698387A1 publication Critical patent/EP3698387A1/fr
Application granted granted Critical
Publication of EP3698387B1 publication Critical patent/EP3698387B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • 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
    • 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
    • H01H33/008—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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/64—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid wherein the break is in gas

Definitions

  • the invention relates to an arrangement and a method with exactly one resistance stack for switching high voltages.
  • the arrangement comprises a switching device which has two contact devices which are net angeord in an insulator.
  • the contact devices are spaced apart by a Trennstre bridge, wherein the separation distance can be bridged by a movable contact piece.
  • a Mixvor direction is in contact with the resistor stack in a common housing.
  • the arrangement summarizes a high-voltage circuit breaker as a switching device, with two contact devices.
  • the con tact devices are spaced from each other, with a gap between the twomaschinevorrichtun gene.
  • a movable contact piece is formed in the switched-state of the switching device to bridge the separation distance between the two contact devices.
  • a contact device is in contact with the resistor stack, which limits electrical overvoltages when switched on.
  • the resistor stack comprises plate-shaped resistors, wel che braced between two metal plates via tie rods, are arranged in a common housing.
  • the first contact device in the form of an electrode is electrically fixed fixed, spaced from the opposite second contact device, with a distance equal to the length of the separation distance.
  • the second contact device is also formed out in the form of an electrode, and fixed relative to the first contact device in a arranged insulator.
  • insulator mecha nically stable, sustainable housing are referred to below, z. B. from Kera mik and / or composite materials, in particular plastic send.
  • the movable contact piece is arranged on a common longitudinal axis of the two contact pieces.
  • the movable contact piece In the open or off state of the Heidelbergeinrich device, the movable contact piece is completely on the Be te a contact device and is moved when switching in the direction of the second contact device to electrically bridge the separation. The movement takes place until the movable contact piece with both contact devices, d. H. the first and the second contact device in con tact, in particular in electrical contact. Switching off the movable contact piece is moved in the Chryslerge sat direction until the movable contact piece is fully constantly angeord net on the side of the first contact device, and the first and second contact device are electrically separated by the separation distance.
  • the two contact devices and the movable contact piece of the switching device and the resistor stack with its housing are arranged coaxially in a circular-cylindrical insulator, wherein the insulator or the insulator housing is sealed gas-tight at the ends in each case via a flange.
  • the resistor stack On a flange, the resistor stack is mechanically fastened with its housing, on the other flange, the contact device with the movable contact piece is taken fastened.
  • the housing with the resistor stack and the two con tact devices with the movable contact piece are surrounded by insulating gas, with which the insulator housing is filled.
  • insulating and / or switching gas z. B. SF 6 used.
  • the mechanical stability of the arrangement for switching high voltages is ensured by the insulator, which so well the resistors in the housing as well as the two Maisvor devices spatially includes the movable contact piece.
  • the insulator must be mechanically stable with sufficient wall thickness over its entire length to keep the insulating gas in the interior, in particular under pressure of more than one bar.
  • the housing of the resistors must be designed mechanically stable mecha and / or the insulator to carry in particular for horizontal attachment of the assembly to the flanges, the weight of the resistors with housing and a contact device.
  • a large wall thickness of the iso lators over the entire length and a housing of the counterclaim stack increases the weight of the assembly, making a one-sided mechanical attachment of the assembly may be impossible, increases the price and the mechanical complexity.
  • a housing of the resistors in the insulator spaced from the Iso lator, filled with a gap between the housing and the insulator with insulating gas, increases the necessary amount of particular umweit- or climate damaging gas and the manufacturing and maintenance costs of the arrangement.
  • Object of the present invention is to provide an arrangement and a method with exactly one resistance stack for switching high voltages, which solve the disadvantages described above.
  • it is an object to provide a simple, inexpensive, mechanically stable arrangement, wel che reduces the necessary Isoliergasmenge compared with the prior art, allows a reduction in the weight of the arrangement and saves material.
  • An arrangement according to the invention with exactly one resistance stack for switching high voltages comprises a switching device, with two contact devices arranged in an insulator, which are spaced apart by an isolating distance. The separation distance can be bridged by a movable con tact piece.
  • a contactor is in contact with the resistor stack in a common housing.
  • the housing is formed by a direct coating of the resistor stack and the insulator.
  • an additional housing of the resistor stack arranged between rule resistance stack and insulator with an insulating gas in the space saved.
  • the insulator is rich only in Be the switching device, ie in the field of two con tact devices and / or the movable contact piece ordered.
  • the length of the insulator is reduced and an additional housing between insulator and resistor stack saved, bringing the Ge weight of the inventive arrangement is reduced, in particular along a longitudinal axis of the arrangement.
  • a simple, cost-effective mounting of the arrangement for. B. attached by a support column on one side of the particular horizontal arrangement allows.
  • the amount of insulating gas is in the inventive arrangement to arrangements, be known from the prior art reduced by the direct coating of the resistor stack, without a gap between egg nem housing of the resistor stack and an insulator housing.
  • the direct coating of the resistor stack and the Iso lators may be made of silicone and / or silicone include. Sili kon is weatherproof, a good electrically insulating material and inexpensive.
  • a first and a second flange may be comprised by the arrangement according to the invention, between which the exactly one resistance stack and the switching device are arranged, in particular one behind the other, on a common longitudinal axis.
  • an electrical Kontak orientation of the switching device can take place and / or the inven tion proper arrangement z.
  • a drive may be arranged, wherein a switching movement can be transmitted to the movable contact piece of the switching device via elements of a kine matic chain from the drive.
  • the carrier with drive may be attached to the flange, on which the contact device with movable contact piece and in particular the insulator are arranged. This allows the switching movement directly from the drive via elements of the kine matic chain z. B. arranged in the carrier, are transmitted to the bewegli surface contact piece.
  • a carrier with drive may alternatively or additionally be attached to the opposite flange, to which the resistor stack is arranged to. It can be z. B.
  • the contact device on Wi derstandsstapel include the movable contact piece and / or Elements of a kinematic chain, eg. B. comprise an insulating rod which is adapted to transmit a drive movement to the movable contact piece.
  • a carrier may be formed T-shaped, with two erfindungsge MAESSEN arrangements, each forming an arm of the T-carrier. High voltages of up to 1200 kV and / or high currents of a few hundred amperes are thereby switchable.
  • the resistance stack may comprise at least one tension rod, which is designed to mechanically support the resistance stack. This can be dispensed ver on a mechanically stable housing of the resistor stack, which can carry a weight, and / or on an insulator, which spatially includes the Wi derstandsstapel and / or mechanically stabili Siert or contributes. This is associated with the advantages described above.
  • tie rods in particular lattice-shaped tie rods z. B. on the outer circumference of the counterclaim stack, can allow a high mechanical stability of the resistance stack.
  • the resistor stack may be clamped between a flange and a contact device, in particular via we least a tie rod, and / or the insulator and the con tact devices can verbun with a flange be able to verbun, in particular a contact device carrying ver connected with the flange on the insulator.
  • a mechanically stable arrangement according to the invention can be formed, with the advantages described above, which are stabilized or supported on the side of the resistance stack by the tension rods, and which are supported on the side of
  • Switching device is stabilized or supported by the insulator. There is no insulator necessary, for. B. ceramic, wel cher is completely formed between two flanges and the resistance stack and the switching device carries mecha African. Shift rods can be used with less weight. forms as a resistive stack spatially enclose the insulator, which results in the arrangement be the benefits described above.
  • the flange, on which the resistor stack is arranged can be connected to a carrier, in particular a columnar Iso lator, mechanically stable.
  • the carrier may, for.
  • B. include a ceramic insulator, in particular with Rip pen on the outer circumference, tion for a good electrical Isola.
  • a gear head may be arranged on the carrier to which the flange is mechanically fastened or the flange may be mechanically fixed directly to the carrier.
  • the carrier may, for. B. upright, perpendicular to a foundation on, with a longitudinal axis in particular a kla lenförmigen carrier substantially perpendicular to the plane of the foundation.
  • the resistance stack can be mechanically stably supported by the support via the flange and in particular by at least one tension rod, whereby no mechanical load is applied to the housing of the arrangement, which is designed in the form of the direct coating. This allows Materia materials such as silicone can be used as a coating, which are light and weatherproof, but less mechanically stable than insulators z. B. ceramic.
  • the resistor stack may comprise two plates, insbesonde two metal plates over which the resistors of the counterclaim stack are clamped in particular with at least one tie rod.
  • Metal plates give a good electrical contact with the rule resistive stack and on the plates, a mechanical clamping surface homogeneously over the plates surface stable.
  • the resistor stack may be mechanically stably supported and clamped over the at least one tie bar and the two plates, with a plate at one end of the resistance stack and a second plate at the other end of the resistance stack. Over the plates, the resistors are pressed together or pressed, resulting in a good electrical contact between resistors and a high mechanical stability or fixation of Wi resistances in the stack.
  • the resistor stack may be constructed of plate-shaped resistors, in particular columnar, wherein the plates are arranged along a longitudinal axis, in particular depending Weil two adjacent plates form-fitting in contact with each other.
  • the resistors in plate form and in particular two metal plates may have the same shape, in particular special all the same shape.
  • the plate-shaped resistors and / or the particular two metal plates may be cylindrical in shape, e.g. B. circular cylindrical. A large base and top surface, with which adjacent Plat th each in contact, give a good, gleichffle lar mechanical and electrical contact.
  • the housing may be weatherproof, insbesonde with annular ribs on the outer surface. A good, long-term stable insulation over the outer surface of the housing, in particular between the two flanges, can be achieved. With a weatherproof Mate rial, z. As silicone, which does not have to be mechanically stable, the inventive arrangement can be made durable, and protect the resistor stack and the switching device from the weather.
  • the arrangement may be substantially cylindrical, in particular circular cylindrical, in particular with annular ribs along the outer surface.
  • a circular cylindrical shape enables high mechanical stability at low cost and is easy to manufacture.
  • An inventive method for switching the arrangement comprises that when turning on a current path via exactly one resistor stack and a switching device between two flanges is closed by bridging a separation between two contact devices with the help of a device movable contact piece, which is moved from a device Druckvorrich toward the other contact device up to egg nem electrical contact between the two contact devices.
  • the mechanical load of the arrangement between the two flanges can be carried by at least one tie rod in the region of the resistance stack and by an insulator in the region of the switching device.
  • An electrical insulation perpendicular to the longitudinal axis of the arrangement can be done by a direct coating of the resistance stack and the insulator of the switching device, in particular weatherproof and / or by silicone.
  • a flange can be fastened in connection with the resistor stack to a carrier, in particular a support column.
  • a flange in connection with the switching device can be designed to float freely, in particular connected only via electrical lines.
  • a flange in connection with the switching device can be attached to a support, in particular a support column.
  • a flange in connection with the resistor stack can be designed to float freely, in particular connected only via electrical lines.
  • FIG. 1 schematically shows, in a sectional view along a longitudinal axis 12, an arrangement 1 according to the invention for switching high voltages.
  • the inventive arrangement 1 comprises exactly one resistor stack 2 and a Wegein device 5, arranged between two flanges 10, 11.
  • the switching device 5 has two contact devices 6 and a movable contact piece 8, which are arranged in an insulator.
  • the insulator 9 is z. B. with an insulating and / or switching gas, in particular SF 6 and / or clean air.
  • the two contact devices 6 are immovably arranged as electrodes with a fixed distance from each other, where at the distance represents an electrical separation path 7. In the open state of the switching device 5, a current flow between the two contact devices 6 is prevented by the separation path 7.
  • the movable contact piece 8 is such a device 6 moves in the direction of the other Maisvorrich 6, that a current path between the two contact devices 6 is closed ,
  • the contact devices 6 are z. B. circular cylindrical, in particular hollow tubular, and the movable contact piece 8 is z. B.
  • the movable contact piece 8 In the open state of the switching device 5, as shown in the figure, the movable contact piece 8 is completely arranged on one side of the Heidelbergeinrich device 5, comprising a contact device 6. To close the current path between the two fixed con tact devices 6, ie for electrically closing the switching device, the movable contact piece 8 is moved from a contact device 6 toward the opposite contact device 6 until the movable contact piece 8 in mechanical and electrical contact with the second Contact device 6 is, for. B. is inserted in the opening. An electrical contact or closed current path between the two contact device 6 via the movable contact piece 8, which connects both contact devices 6 electrically in the closed state of the switching device 5.
  • the movable contact piece 8 is moved in the opposite direction until the movable Kon contact piece 8 is back in its initial position, completely inserted into the one contact device 6.
  • a gap or a separating section 7 is formed, in particular filled with insulating gas, and the current path between the two contact devices 6 is interrupted by the separating section 7.
  • the switching device 5 is in the open state.
  • the two contact devices 6 are arranged in a closed Isoliergasraum, wherein the Isoliergasraum by the two contact devices 6, the movable contact piece 8, the insulator 9 and in particular a flange 11 is formed.
  • the two contact devices 6 and the movable con tact piece 8 are arranged coaxially on the longitudinal axis 12 and made of a good electrically conductive material, for. As steel and / or copper. Electrical contact areas may be coated with a good electrically conductive material, for. With silver.
  • a contact device 6 is z.
  • B hollow tubular, the movable contact piece 8 spatially at least partially, and attached to a flange 11.
  • the flange 11 is disc-shaped or circular cylindrical, and the movable contact piece 8 is in particular gas-tight, be movably guided by the flange 11.
  • a drive z. B. uses a spring memory drive.
  • the flange 11 is z. B. fastened to a gear head on a support or on the carrier itself.
  • a carrier which is not shown in the figure for the sake of simplicity, is e.g. B. column-shaped, in particular special ceramic, and perpendicular to a foundation is arranged.
  • the outer surface, in particular a Vietnamese linderförmigen, hollow support, ribs in the form of Rin gene around the outer circumference may encompass circumferentially, for a good electrical insulation along the longitudinal axis of the Trä gers.
  • the drive can be attached laterally to the carrier and elements of the kinematic chain can be performed in the carrier movable Lich.
  • At the upper end of the carrier is z.
  • the second contact device 6 is z. B. hollow tubular or formed plate-shaped, with a hollow tubular end in the direction of the first contact device 6 with movable contact piece 8 pointing.
  • the plate-shaped portion of the two-th contact device 6 may be substantially circular-cylindrical, with a diameter equal to the diameter of the resistors of the resistance stack 2.
  • the resistors are z. B. plate-shaped or circular cylindrical structure, in particular with the same shape of all plates of the resistors Resistance stack 2.
  • the plates are z. B. positively over each other or stacked side by side, each with the cylinder base a plate in surface contact with the underlying or adjacent cylinder top surface of a be adjacent resistor.
  • a metal plate for. B. arranged a cylin derförmige metal plate.
  • a cylindrical metal plate and at the other end a z. B. cylindrical, plate-shaped Kunststoffvor device 6 may be arranged.
  • the resistors of the lovedssta are pels 2 compressed and spatially fixed.
  • a contact device 6 or the switching device 5 is arranged and at the other a flange 10 is arranged.
  • the resistor stack can also be held together or spatially fixed directly via the flange 10 and the contact device 6 in connec tion with the or the tie rods 3.
  • flanges 10 and 11 can be provided directly electrical connections for the inventive arrangement 1, or electrical connections can be performed by the flanges 10 and 11, the resistor stack 2 on the one hand and the electrically connected in series switching device 5 on electrically connect to the other side. Electrical consumers, generators and / or lines for power grids in particular can be ruled out at the terminals and connected via the arrangement 1. On Current path between the terminals is on the resistance stack 2 and the switching device 5, ie the Needlesvor devices 6 in conjunction with the movable contact piece 8, closed and / or opened.
  • the resistance stack 2 and the switching device 5 in particular the insulator 9 of the Heidelberg device 5, coated directly, whereby a housing 4 of the Anord tion 1 in conjunction z. B. with the flanges 10, 11 is formed.
  • the coating does not have to bear a mechanical load, since me chanical loads or mechanical stresses / forces on the flanges 10, 11, the tie rods 3, in particular via a contact device 6, and the insulator 9 of the switching device 5 are supported.
  • the coating 4 is directly on the counter stacks 2 and the switching device 5, in particular the insulator 9 of the switching device 5, formed, in particular without cavities between the resistor stack 2 and the loading coating 4 and / or between the insulator 9 and the coating 4 Be. This allows the volume of z. As insulating gas can be reduced, with the advantages described above.
  • the coating 4 may be substantially cylindrical, in particular form-fitting with the shape of the lovedssta pels 2 and the shape of the insulator 9 of the switching device 5.
  • ribs can be asbil det, in particular perpendicular to the longitudinal axis 12, ringför mig circumferential ribs in order to increase the electrical insulation distance between tween the flanges 10, 11 on the outer surface of the order to 1.
  • the insulator 9 may be made of ceramic, and / or of an electrically insulating composite material, in particular comprising plastic. Due to the coating 4, the particular gas-tight insulator 9 thinner economicallybil det be, mechanically stable, with weight over Isolato ren can be saved from the prior art.
  • the resistances of the resistance stack 2 Kings nen be formed in the form of circular cylindrical plates, and / or z. B. rectangular or cuboid.
  • the shape and / or thickness of the resistors, and the electrical resistance of all resistors may be the same, or different Lich, z. B. in an alternating form.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

L'invention concerne un dispositif (1) et un procédé comprenant exactement une pile résistive (2) pour la commutation de hautes tensions. Le dispositif (1) comprend un dispositif de commutation (5), lequel comprend deux dispositifs de contact (6) qui sont disposés dans un isolant (9). Les dispositifs de contact (6) sont espacés l'un de l'autre par une section de séparation (7), la section de séparation (7) pouvant être pontée par une pièce de contact (8) mobile. Un dispositif de contact (6) est en contact avec la pile résistive (2) dans un boîtier (4) commun. Le boîtier (4) est formé par un revêtement direct de la pile résistive (2) et de l'isolant (9).
EP18800563.1A 2017-12-04 2018-11-05 Dispositif et procédé pour la commutation de hautes tensions comprenant un dispositif de commutation et exactement une pile résistive Active EP3698387B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017221783.9A DE102017221783A1 (de) 2017-12-04 2017-12-04 Anordnung und Verfahren zum Schalten hoher Spannungen mit einer Schalteinrichtung und genau einem Widerstandsstapel
PCT/EP2018/080120 WO2019110214A1 (fr) 2017-12-04 2018-11-05 Dispositif et procédé pour la commutation de hautes tensions comprenant un dispositif de commutation et exactement une pile résistive

Publications (2)

Publication Number Publication Date
EP3698387A1 true EP3698387A1 (fr) 2020-08-26
EP3698387B1 EP3698387B1 (fr) 2022-01-12

Family

ID=64270845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18800563.1A Active EP3698387B1 (fr) 2017-12-04 2018-11-05 Dispositif et procédé pour la commutation de hautes tensions comprenant un dispositif de commutation et exactement une pile résistive

Country Status (6)

Country Link
US (1) US11232920B2 (fr)
EP (1) EP3698387B1 (fr)
CN (1) CN111433876B (fr)
DE (1) DE102017221783A1 (fr)
RU (1) RU2742214C1 (fr)
WO (1) WO2019110214A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11742169B2 (en) * 2021-12-15 2023-08-29 Eaton Intelligent Power Limited Ultra-fast moving conductor with removable core pin

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EP2996131B1 (fr) * 2014-09-12 2020-08-05 ABB Schweiz AG Pôle d'interrupteur à vide pour application dans un environnement sous haute pression
CN106098333B (zh) * 2016-07-30 2017-11-10 嵊州市万智网络科技有限公司 一种电力变压器
DE102016217496B4 (de) 2016-09-14 2020-10-08 Siemens Aktiengesellschaft Einschaltwiderstandsanordnung
RU174488U1 (ru) 2017-04-20 2017-10-17 Федеральное государственное казённое военное образовательное учреждение высшего образования "Военная академия материально-технического обеспечения имени генерала армии А.В. Хрулева" Министерства обороны Российской Федерации Устройство защиты от импульсных перенапряжений

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WO2019110214A1 (fr) 2019-06-13
RU2742214C1 (ru) 2021-02-03
CN111433876A (zh) 2020-07-17
CN111433876B (zh) 2023-08-25
US11232920B2 (en) 2022-01-25
BR112020010747A2 (pt) 2020-11-17
EP3698387B1 (fr) 2022-01-12
US20210183599A1 (en) 2021-06-17

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