EP3698386A1 - Disjoncteur à haute tension et procédé de montage d'un tube interrupteur à vide dans le disjoncteur à haute tension - Google Patents

Disjoncteur à haute tension et procédé de montage d'un tube interrupteur à vide dans le disjoncteur à haute tension

Info

Publication number
EP3698386A1
EP3698386A1 EP18810913.6A EP18810913A EP3698386A1 EP 3698386 A1 EP3698386 A1 EP 3698386A1 EP 18810913 A EP18810913 A EP 18810913A EP 3698386 A1 EP3698386 A1 EP 3698386A1
Authority
EP
European Patent Office
Prior art keywords
voltage circuit
holder
circuit breaker
vacuum interrupter
insulator
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
EP18810913.6A
Other languages
German (de)
English (en)
Other versions
EP3698386B1 (fr
Inventor
Michael Bartz
Alexander Hartung
Martin KREHNKE
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
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 filed Critical Siemens AG
Publication of EP3698386A1 publication Critical patent/EP3698386A1/fr
Application granted granted Critical
Publication of EP3698386B1 publication Critical patent/EP3698386B1/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
    • H01H33/008—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
    • H01H33/66—Vacuum switches
    • H01H33/662—Housings or protective screens
    • 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
    • H01H33/662—Housings or protective screens
    • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
    • 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
    • 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
    • H01H9/52—Cooling of switch parts
    • 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
    • H01H9/52—Cooling of switch parts
    • H01H2009/526—Cooling of switch parts of the high voltage 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
    • H01H33/60—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
    • H01H33/6606—Terminal arrangements
    • H01H2033/6613—Cooling arrangements directly associated with the terminal arrangements
    • 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
    • H01H2033/6665—Details concerning the mounting or supporting of the individual vacuum bottles
    • 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
    • H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring

Definitions

  • the invention relates to a high-voltage circuit breaker with a holder for a vacuum-stop tube and a method for holding a vacuum interrupter in a columnar insulator of the high-voltage circuit breaker.
  • the vacuum interrupter is disposed in the columnar insulator and fixed in space via the holder and electrically connected to an external terminal of the high voltage circuit breaker.
  • High voltage circuit breakers are designed to switch voltages in the range of up to 1200 kV voltage and in the range of up to several thousand amperes of current.
  • switching gases such as B. SF 6 is used, which are harmful to the environment and / or contain toxic components.
  • Switch with alternative switching gases such. B. Clean Air, ie dryers ner, purified air, men in the same design and at the same maximum switching voltages or to be switched Strö larger perform in the dimensions to ensure safe electrical insulation between the electrically conductive com ponents, which the Costs increased.
  • the use of vacuum interrupters in high-voltage circuit breakers, in conjunction with Clean Air as an insulating gas is an alternative to eg. B. gas-insulated switches with nominal and arcing contacts, comprising switching gases such. B. SF 6 .
  • the vacuum interrupters are arranged in an outer insulator, which z. B. column-shaped, with circular circulating the ribs is formed on the outer periphery to the electrical cal insulation along the outer surface in the direction to increase the longitudinal axis.
  • the insulator is one or Temporal lig, in particular hollow cylinder-shaped, and z. As ceramic, silicone and / or a composite material.
  • the insulator is arranged upright in the operation of the high voltage circuit breaker, z. B. on a support frame or on a support with foundation.
  • One or more vacuum switching tubes are z. B. special arranged coaxially with the longitudinal axis of the insulator along the longitudinal axis of the insulator and fixed mechanically fixed in the insulator.
  • a vacuum interrupter wherein the high-voltage circuit breaker may comprise more than a vacuum interrupter in series and / or connected in parallel.
  • the vacuum interrupter is mechanically stable and electrically conductive between at least two electrical connections arranged and connected, wherein the electrical connections z. B. in the form of terminal lugs for connecting high voltage voltage lines, power generators and / or power consumers are formed. At high voltages to be switched
  • B. filter material can serve.
  • the Filtermateri al can z.
  • the filter material is in the interior of the insulator to la like that there is a good contact with the insulating gas.
  • the object of the present invention is to provide a high voltage circuit breaker with a holder for a type of suspension for a vacuum interrupter and a method for holding a vacuum interrupter in a columnar Iso lator of the high voltage circuit breaker, which solve the problems described above.
  • Advantageous embodiments of he inventive high voltage circuit breaker with a holder for a type of suspension for a Vakuumschaltröh re and / or the method for holding a Vakuumschaltröh re in a columnar insulator of a Hochnapssleis switch, in particular in a high-voltage circuit breaker described above, are specified in the dependent claims.
  • An inventive high voltage circuit breaker with egg ner holder in the manner of a suspension for a vacuum interrupter that the vacuum interrupter is arranged in a kla lenförmigen insulator and the vacuum interrupter is spatially fixed on the holder in the insulator and electrically connected to an external terminal of the Hochnapssleis device switch.
  • the holder comprises a hollow cylindrical area, with a wall which we least has an opening.
  • the holder with a hollow-cylindrical area allows a high current flow with low electrical losses.
  • the bracket with hollow cylindrical area allows ei ne good heat conduction, especially from the vacuum interrupter to the outer terminal of the high voltage circuit breaker out.
  • the holder makes it possible to mechanically fix the vacuum interrupter spatially in the high-voltage circuit breaker, is cost-effective and enables a long-term stable, reliable function of the high-voltage circuit breaker.
  • the vacuum interrupter and the columnar insulator may have a common longitudinal axis, which is arranged in particular pa rallel to the gravitational force.
  • Anord tion of the columnar insulator and the vacuum interrupter in the insulator perpendicular to the ground or to the horizontal plane, act on the vacuum interrupter, suspended from the bracket, only forces, especially weight forces, along a direction parallel to the longitudinal axis. This makes it possible, simply and cost-effectively, to fix the vacuum interrupter to the holder in a time-stable manner in the columnar insulator, in particular without stressing shearing forces which endanger the stability of the vacuum interrupter.
  • the holder may be cup-shaped, with a circular cylindrical portion which is closed by a bottom, on which in particular the vacuum interrupter mechanically fastened.
  • the vacuum interrupter z. B. be connected to one of its electrical contacts on the ground in surface contact, in particular screwed, soldered and / or welded.
  • the holder may be cup-shaped, with a closure lid, via which the hollow cylindrical portion of the holder and / or the insulator is sealed fluid tight on one side, the closure cover in particular a rupture disc (11).
  • the closure cap may include an electrical connection of the high-voltage circuit breaker and is prevented by the rupture disk that can burst at overpressure of the insulator.
  • persons e.g. As maintenance personnel in the vicinity of the high-voltage circuit breaker, who injured the.
  • a rupture disk at the upper end of the high-voltage circuit breaker can dissipate an overpressure in the high-voltage circuit breaker by bursting upwards, without endangering persons.
  • the overpressure can z. B. by heating during operation, as a result of a Störlichtbo gene, or by environmental influences such.
  • the holder may include a shield for an electrically con tacted end portion of the vacuum interrupter, in particular special a hollow cylindrical shield at a lower end of the holder. Due to the shielding, the electric field in the vicinity of the electrical contact of the vacuum interrupter can be shielded and it can be electrical see rollovers and short circuits are prevented in particular on the In nenwand the insulation.
  • a shield for an electrically con tacted end portion of the vacuum interrupter in particular special a hollow cylindrical shield at a lower end of the holder. Due to the shielding, the electric field in the vicinity of the electrical contact of the vacuum interrupter can be shielded and it can be electrical see rollovers and short circuits are prevented in particular on the In nenwand the insulation.
  • the wall may have reinforced areas that include a greater wall thickness than areas that are not reinforced.
  • electrical losses can be reduced, especially in areas with field increases z. B. by corners and / or edges, which in particular may be rounded to reduce field elevations.
  • the mechanical stability can be increased and thus the holding availability of the holder.
  • the hollow cylindrical portion of the holder may comprise a Fil termaterial, in particular for the absorption of liq fluids and / or gaseous impurities.
  • the filter material can, for. B. be a desiccant, which in particular absorbed water and / or other liquids.
  • d. H be stored inside the hollow cylindrical portion of the holder, filter material, in particular gas with good contact with the insulating.
  • the insulating gas may include clean air, in particular in the interior of the insulator. Clean Air is not harmful to the environment; when it comes out of the high-voltage circuit-breaker during operation or after disposal of the high-voltage circuit breaker, Clean Air is environmentally friendly and non-toxic. It is well suited to electrically isolate contacts of the vacuum interrupter and / or externa ßere contacts of the high voltage circuit breaker inside the insulator, even at high voltages. At least one opening may be Areaded det in the bottom of the holder, in particular for heat dissipation of waste heat of a contact of the vacuum interrupter.
  • the holder may be formed topfför mig rich with a circular cylindrical Be, which is closed by a bottom, and in the bottom or in the area between the bottom and lateral surface of the circular cylindrical area, one or more Publ tion z. B. be formed by drilling. Waste heat during operation of the high voltage circuit breaker, which z. B. forms on electrical contacts of the vacuum interrupter, in particular special high current flows, can be dissipated by convection of the insulating gas through the at least one opening who the, in other areas of the high voltage circuit breaker, z. B. in the region of the inner wall of the insulator, where the insulating gas can be cooled. Thereby, the vacuum umschaltrschreibe, in particular a substitute shielded by the shielded contact of the vacuum interrupter, are cooled and prevents overheating or damage or destruction of the vacuum interrupter due to high temperatures who the.
  • At least one opening may be formed in the wall of the holder, in particular for a fluidic connection of the gas space between the insulator and the holder with the hollow cylinder-shaped area inside the holder.
  • the circular cylinder jacket is formed by the wall, the openings may be formed in the circular cylinder jacket.
  • insulating gas from the gas space or area between the insulator and holder can rich in the hollow cylindrical Be inside the holder through the at least one Publ opening into and / or out, z. B. for cooling the hollow cylindrical portion in the interior of the holder, a discharge of overpressure and / or for a good gas contact with z. B. filter material.
  • At least two external electrical connections in the manner of a terminal lug may be comprised of the high-voltage circuit breaker, in particular at least one external electrical connection of the high-voltage circuit breaker at each end of the columnar insulator, wherein at least one external electrical connection via the holder electrically connected to a fixed electrical contact of the vacuum interrupter ver is, in particular, directly connected.
  • the at least two external electrical connections in the manner of an on-circuit flag can be designed for connecting high voltage lines, generators and / or power consumers on the high-voltage circuit breaker, and the high-voltage circuit breaker can close a current path between high voltage lines, generators and / or electricity consumers and / or open ,
  • the high voltage power switch electrically connects high voltage lines, power generators and / or power consumers and / or electrically isolates them, particularly at voltages in the range of 35 kV, 145 kV and / or up to 1200 kV.
  • the holder may be monolithic. As a result, electrical losses in current flow through the holding tion, especially at currents in the range of a few hundred amperes are avoided, which could occur in a multi-part education from the holder at the connection points of the parts. By reducing electrical losses, the heat generation or waste heat of the high-voltage circuit breaker can also be reduced during operation, which increases operational reliability and longevity, and prevents damage caused by high temperatures.
  • An inventive method for holding a vacuum interrupter in a columnar insulator of a high-voltage circuit breaker, in particular in a previously described be high-voltage circuit breaker comprises that the vacuum interrupter via a hollow cylindrical holder in the Spatially fixed and electrically connected to an external terminal of the high-voltage circuit breaker isolator and the vacuum interrupter hanging on the bracket down.
  • the holder can derive a high amount of heat from the vacuum interrupter to the environment of the high voltage circuit breaker during operation of the high voltage circuit, in particular from the interior of the insulator to the outside.
  • Figure 1 shows a schematic sectional view of an inventive Shen high voltage circuit breaker 1 with a Hal sion 2 for a vacuum interrupter 3 viewed from one side, and
  • Figure 2 with openings 7 in the bottom 9 for cooling the vacuum interrupter 3 by Isoliergaszirkulation
  • Figure 4 schematically, enlarged in a sectional view of a shield 12 from the holder 2 of Figure 3, for shielding an electrical contact 17 of the Vakum umschaltrschreibe 13, and
  • FIG. 1 is a sectional view of an inventive high voltage circuit breaker 1 viewed from one side ge shows.
  • the high-voltage power switch 1 comprises a vacuum interrupter 3 in a columnar insulator 4, which is fastened to a holder 2 of the high-voltage circuit breaker 1.
  • the vacuum interrupter 3 is formed substantially circular cylindrical, with a longitudinal axis coaxial with the longitudinal axis of the columnar insulator 4, which is flat if formed substantially circular cylindrical.
  • the columnar insulator 4 is hollow cylindrical, with annularly extending around the outer circumference ribs, which increase the electrical insulation along the longitudinal axis of the Isola sector 4, by extending the path for leakage currents on the outer circumference of the insulator 4 along its longitudinal axis.
  • the insulator 4 is z. Example of ceramic, silicone and / or an electrically insulating composite material.
  • the cylindrical hollow body of the insulator 4 is gas-tight at its ends, ie, on the base and top surfaces of the cylinder and each provided with an external electrical rule terminal 5 in the form of a terminal lug of the high-voltage circuit breaker 1.
  • a support which is not shown for simplicity in the figures, on which the klalenför shaped insulator 4 with its longitudinal axis perpendicular to the bottom is arranged reason or parallel to the direction of gravitational force.
  • the high-voltage circuit breaker 1 comprises at least one drive and elements of a kinematic chain, which are not shown in the figures for the sake of simplicity.
  • a movable contact in the vacuum interrupter 3 is driven by the drive and the elements of the kinematic chain when switching the high-voltage circuit breaker 1, whereby a current path via the vacuum interrupter 3 between the external electrical terminals 5 is disconnected or opened or closed.
  • the high-voltage circuit breaker 1 is in particular designed for switching voltages in the range of 35 kV, 145 kV and up to 1200 kV.
  • the holder 2 for the vacuum interrupter 3 in the insulator 4 is arranged at the upper end of the insulator 4, which is closed gas-tight manner with the Ver gleichde 10, the holder 2 for the vacuum interrupter 3 in the insulator 4 is arranged.
  • the holding tion 2 is z. B. clamped between a flange at the end of the insulator 4 and the closure lid 10, screwed, ver welded, soldered and / or glued.
  • a brim at hutför miger bracket 2 is used to attach the bracket 2 between the flange on the insulator 4 and the closure lid 10.
  • the electrical connection 5 is in the form of a terminal lug directly to the brim outside the insulator 4 to the holding tion 2 and well arranged electrically conductive in particular di rectly connected to the holder 2.
  • the holder 2 projects with a hollow cylindrical shell as a wall 6, coaxial with the columnar insulator 4 angeord net, in the interior of the insulator 4 in, and is closed at the opposite end to the brim with a bottom 9 as a circle zylinderground Structure.
  • Figure 2 is schematic arranged in a sectional view of the holder 2 in the insulator 4, and with the closure lid 10 up close gastight ver closed, shown enlarged.
  • At the bottom 9 is a elec trical contact, in the embodiment of the figures of the fixed contact 17 of the vacuum interrupter 3, well secured electrically conductive.
  • the bottom 9 is formed reinforced with additional material ver, ie has a greater thickness than the cylindrical wall 6 of the holder 2.
  • the reinforced area 15 reduces electrical losses at high current strengths.
  • the fixed contact 17 of the vacuum interrupter 3 is in planar electrical contact with the bottom 9 of the holder 2 verbun the, z. B. soldered, welded, screwed, and / or glued ver.
  • the vacuum interrupter 3 extends downwards along the longitudinal axis of the insulator 4 or the vacuum interrupter 3, with the fixed contact 17, a cover-shaped, in particular metallic closure and a cylindrical z. B. ceramic insulator, a cylindrical z. B. metallic connecting part and an at least second cylindrical z. B. ceramic Isola gate, which is closed at the lower end with a lid-shaped, in particular special metallic closure for a vacuum-tight vacuum interrupter 3.
  • the lower deckelför shaped closure is a drive rod z. B. via a bellows vacuum-tight, movably mounted in the vacuum interrupter 3, to drive when moving in the vacuum switching tube 3, the movable contact.
  • Derarti ge vacuum interrupters are known from the prior art and shown in the figures only schematically from the outside.
  • the vacuum interrupter At the bottom of the vacuum interrupter is 3 z. B. mechanically fixed by a hollow cylindrical holder in the insulator 4, in particular immovable, fastened cohesively to the insulator 4.
  • the holder can mechanically support the vacuum interrupter 3 at the top.
  • At the opposite end of the vacuum interrupter 3 is suspended from the bracket 2, whereby a mechanically and temporally stable arrangement of the vacuum interrupter 3 takes place in the insulator 4, even at Kraftein effects on the vacuum interrupter 3 when switching.
  • the holder 2 has, such. B. in the embodiment of Figure 2 is shown, in areas of the compound of zylin derförmigen jacket or wall 6 of the holder 2 and bottom 9 and in areas of the compound of cylindrical shell or wall 6 of the holder 2 and brim of the hat-shaped holder 6, reinforced by additional material areas 15.
  • the material thickness of the holder 2 is in the ver strengthened areas 15 thicker, in particular twice to three times as thick as the thickness of the wall 6 in the cylindrical shell region of the holder 6.
  • the reinforced areas 15 can at high current flow through the bracket 6, between Fixed contact 17 of the vacuum interrupter and outer electrical connection 5 of the high-voltage circuit breaker 1, electrical cal losses are reduced.
  • openings 8 are provided in the embodiment of Figure 2, which z. B. are round or elliptical, Runaway through the wall. These can be z. B. as a bore, by punching or casting of the holder 2 are introduced into the wall 6. It can z. B. two, four or six through the wall 6 through openings 8 may be formed, in particular two each wholie ing sides of the wall 6.
  • the openings 8 fluidly connect the inner region of the hollow cylindrical holding tion 2 with the insulating gas filled area between the holder 2 and insulator 4. Via the openings 8, a gas exchange, in particular of clean air, between the inner region of the hollow cylindrical holder 2 and the area between the holder 2 and insulator 4 is possible.
  • Publ openings 7 may be provided in the bottom 9 and / or in the reinforced area 15 between Bottom 9 and cylindrical shell 6 of the holder 2.
  • Publ openings 7 may be provided in the bottom 9 and / or in the reinforced area 15 between Bottom 9 and cylindrical shell 6 of the holder 2.
  • two, four or six continuous Publ openings 7 may be formed, in particular two each on ge opposite sides of the wall 6, z. B. by drilling.
  • the openings 7 fluidly connect the inner region of the hollow cylindrical holder 2 with the insulating gas filled area between the holder 2 and vacuum interrupter 3 at unte ren end 14 of the holder 2.
  • About the openings 7 is a gas exchange, especially of clean air, between the holding ren area of hollow cylindrical holder 2 and the loading area between the holder 2 and vacuum interrupter 3 possible.
  • Heat which is especially at high current flow on Festkon contact 17 and / or the mechanical contact to the holder 2 ent, z. B. by convection of gas through the outlets 7 and 8 are discharged to the environment and discharged from the vacuum switch tube 3.
  • FIG 4 is a schematic, enlarged in section, a section of the lower end 14 of the holder 2 of Figure 3 is shown.
  • a shield 12 is arranged circumferentially on the holder 2 in a cylindrical manner.
  • the shield 12 comprises as a top surface Bo the 9 of the holder 2 and has a slightly larger circumference than the circumference of the vacuum interrupter 3.
  • the shield 12 is over the end portion 13 of the vacuum interrupter 13 ge turns and shields them electromagnetically against the environment from, Especially with respect to the inner wall of the insulator 4. Rollovers and leakage currents between the contacts of the vacuum interrupter 3, in particular on the inner wall of the Iso lators 4 are thereby reduced or prevented.
  • the inner re form of the shield 12 corresponds enlarged to the outer shape of the end portion 13 of the vacuum interrupter 13, with con stantem distance between the shield 12 and the Endbe rich 13 of the vacuum interrupter 13 along the circumference, especially in the range of millimeters or a few centimeters.
  • Figure 5 is shown schematically in sectional view of the high voltage voltage circuit breaker 1 in the holder 2 accordingly the figure 3, with a rupture disc 11 in a cap 10 of the high voltage circuit breaker 1.
  • the rupture disc 11 bre Chen or burst, and a pressure equalization between the environment and the interior of the high-voltage circuit breaker 1 erge ben.
  • An overpressure can z. B. at temperature increase in the high voltage circuit breaker 1 on the insulating arise, in particular by heating elements of the high voltage circuit breaker 1 at high current flow and / or Son neneinstrahlung.
  • the overpressure is discharged in a direction perpendicular to the earth's surface and prevents bursting of the insulator 4 to the side. Persons, in particular maintenance personnel, is thereby protected against injury by flying debris of the insulator 4. Openings 7, 8, in particular openings 8, can be dimensioned such that a pressure equalization z. B. between the bracket 2 and the Isola tor 4 and the interior of the holder 2 is predetermined, and from a certain internal pressure change, the rupture disk 11 can burst.
  • the exemplary embodiments described above can be combined with one another and / or can be combined with the prior art.
  • So z. B. the rupture disc 11 different materials, eg. B. sheet and / or plastic. Depending on the maximum permitted internal pressure in the high voltage circuit breaker 1, the thickness and / or area of the rupture disk 11 may be designed.
  • the holder 2 is made of a good electrically and thermally conductive material, for. B. Kup fer, steel and / or aluminum, which has a high mechanical strength. Over the holder 2, high current strengthen, in particular in the range of a few hundred amps flow, without a strong heat generation takes place.
  • Heat me the vacuum interrupter 3 can be dissipated well on the environment to the environment.
  • the wall 6 can be formed with a uniform thickness in the range of centimeters. It can also be reinforced areas 15 of the holder 2 with double to multiple thickness of Di thickness of the wall 6 may be provided.
  • the vacuum interrupter 3 can be fastened by means of screws in the bottom 9 of the holder 2, in particular suspended with a force direction of the weight in the direction or parallel to the longitudinal axis of the vacuum interrupter 3.
  • Other fastening means and / or methods for fastening the vacuum interrupter 3 be used on the bottom 9 of the holder 2, z.
  • rivets, bolts, welding, soldering and / or gluing are used on the holder 2 coaxially in the insulator 4, even with inclined Anord tion of the insulator 4.
  • a one-piece or monolithic imple mentation of the holder 2 can power loss or shovever losses in Operation of the high-voltage circuit breaker 1 ver reduce, alternatively, the holder 2 may be constructed in several parts, in particular with good electrical contact between tween the items or elements of the holder. 2

Landscapes

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

Abstract

L'invention concerne un disjoncteur à haute tension (1) comprenant un support (2) de type suspension destiné à un tube interrupteur à vide (3) et un procédé de support d'un tube interrupteur à vide (3) dans un isolateur (4) en forme de colonne du disjoncteur à haute tension (1). Le tube interrupteur à vide (3) est disposé dans l'isolateur (4) en forme de colonne et est fixé spatialement par le biais du support (2) et est relié électriquement à une borne externe (5) du disjoncteur à haute tension (1). Le support (2) comprend une zone en forme de cylindre creux pourvue d'une paroi (6) qui comporte au moins une ouverture (7, 8).
EP18810913.6A 2017-12-15 2018-11-15 Disjoncteur à haute tension et procédé de montage d'un tube interrupteur à vide dans le disjoncteur à haute tension Active EP3698386B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017222933.0A DE102017222933A1 (de) 2017-12-15 2017-12-15 Hochspannungsleistungsschalter und Verfahren zum Haltern einer Vakuumschaltröhre in dem Hochspannungsleistungsschalter
PCT/EP2018/081320 WO2019115133A1 (fr) 2017-12-15 2018-11-15 Disjoncteur à haute tension et procédé de montage d'un tube interrupteur à vide dans le disjoncteur à haute tension

Publications (2)

Publication Number Publication Date
EP3698386A1 true EP3698386A1 (fr) 2020-08-26
EP3698386B1 EP3698386B1 (fr) 2023-02-08

Family

ID=64500335

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18810913.6A Active EP3698386B1 (fr) 2017-12-15 2018-11-15 Disjoncteur à haute tension et procédé de montage d'un tube interrupteur à vide dans le disjoncteur à haute tension

Country Status (4)

Country Link
EP (1) EP3698386B1 (fr)
CN (1) CN111630619B (fr)
DE (1) DE102017222933A1 (fr)
WO (1) WO2019115133A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019215309A1 (de) * 2019-10-07 2021-04-08 Siemens Energy Global GmbH & Co. KG Leistungsschalter mit einer Vakuumschaltkammer
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CN111630619A (zh) 2020-09-04

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