EP3698386B1 - 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 Download PDF

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Publication number
EP3698386B1
EP3698386B1 EP18810913.6A EP18810913A EP3698386B1 EP 3698386 B1 EP3698386 B1 EP 3698386B1 EP 18810913 A EP18810913 A EP 18810913A EP 3698386 B1 EP3698386 B1 EP 3698386B1
Authority
EP
European Patent Office
Prior art keywords
voltage circuit
holder
vacuum interrupter
breaker
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.)
Active
Application number
EP18810913.6A
Other languages
German (de)
English (en)
Other versions
EP3698386A1 (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 Energy Global GmbH and Co KG
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
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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

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/008—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 in the manner of a suspension for a vacuum interrupter and a method for supporting a vacuum interrupter in a columnar insulator of the high-voltage circuit breaker.
  • the vacuum interrupter is arranged in the columnar insulator and fixed spatially via the bracket 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 a few thousand amperes of current.
  • Switching gases such as B. SF 6 used, which are harmful to the climate and / or contain toxic components.
  • Switches with alternative switching gases e.g. B. Clean Air, ie dry, cleaned air, are to be carried out with the same design and the same maximum switching voltages or currents to be switched in larger dimensions in order to ensure reliable electrical insulation between the electrically conductive components, which increases costs.
  • the use of vacuum interrupters in high-voltage circuit breakers, in conjunction with clean air as the insulating gas is an alternative to e.g. B. gas-insulated switches with rated and arcing contacts, including switching gases such. SF6 .
  • the vacuum interrupters which z. B. from the WO 2005/045865 A1 , WO 03/071567 A1 and DE 103 08 573 A1 are known are arranged in an outer insulator which z. B. columnar, is formed with circular circumferential ribs on the outer periphery to the electrical insulation along the outer ßeren To increase lateral surface in the direction of the longitudinal axis.
  • the insulator is one or more parts, in particular in the form of a hollow cylinder, and z. B. made of ceramic, silicone and / or a composite material.
  • the insulator is arranged in an upright position during operation of the high-voltage circuit breaker, e.g. B. on a support frame or on a carrier with foundation.
  • One or more vacuum interrupters are z. B. along the longitudinal axis of the insulator in particular arranged coaxially with the longitudinal axis of the insulator and fixed mechanically firmly in the insulator. Furthermore, a vacuum interrupter is assumed, it being possible for the high-voltage circuit breaker to comprise more than one vacuum interrupter connected in series and/or in parallel.
  • the vacuum interrupter is arranged and connected mechanically stable and electrically conductive between at least two electrical connections, the electrical connections z. B. in the form of terminal lugs for connecting high-voltage lines, power generators and / or power consumers are formed.
  • a current flow can lead to a great deal of heat being generated at electrically conductive components of the high-voltage circuit breaker.
  • the excess amount of heat must be dissipated well into the environment by the high-voltage circuit breaker in order to ensure reliable function over the long term and to avoid destruction.
  • Current-carrying components must have a low electrical resistance in order to ensure low electrical losses across the high-voltage circuit breaker in the switched-on state, which reduces the generation of heat and minimizes costs in the operation of the high-voltage circuit breaker.
  • the composition of clean air as an insulating gas in high-voltage circuit breakers must remain stable over the long term.
  • B. filter material can be used.
  • the filter material can, for. B. bind moisture, which in particular during temperature changes due to condensation on the insulator to a deterioration of the insulating properties would result.
  • the filter material must be stored inside the insulator in such a way that there is good contact with the insulating gas.
  • the object of the present invention is to provide a high-voltage circuit breaker with a suspension type holder for a vacuum interrupter and a method for supporting a vacuum interrupter in a columnar insulator of the high-voltage circuit breaker, which solve the above-described problems.
  • the task is to specify a high-voltage circuit breaker with a holder for a vacuum interrupter, which enables a high current flow with low electrical losses, enables good heat conduction via the holder, mechanically stably fixes the vacuum interrupter spatially in the high-voltage circuit breaker, is inexpensive and ensures reliable functioning of the high-voltage circuit breaker .
  • the specified object is achieved according to the invention by a high-voltage circuit breaker with a mount in the manner of a suspension for a vacuum interrupter with the features according to patent claim 1, and/or by a method for mounting a vacuum interrupter in a columnar insulator of a high-voltage circuit breaker, in particular in a high-voltage circuit breaker described above Patent claim 13 solved.
  • Advantageous configurations of the high-voltage circuit breaker according to the invention with a holder in the manner of a suspension for a vacuum interrupter and/or the method for holding a vacuum interrupter in a columnar insulator of a high-voltage circuit breaker, in particular in a high-voltage circuit breaker described above, are specified in the dependent claims.
  • a high-voltage circuit breaker according to the invention with a mount in the manner of a suspension for a vacuum interrupter comprises that the vacuum interrupter is arranged in a columnar insulator and the vacuum interrupter is fixed spatially in the insulator via the mount and is electrically connected to an external terminal of the high-voltage circuit breaker.
  • the holder comprises a hollow-cylindrical area with a wall which has at least one opening.
  • a high current flow with low electrical losses is possible via the holder with a hollow-cylindrical area.
  • the holder with a hollow-cylindrical area enables good heat conduction, in particular from the vacuum interrupter to the external connection of the high-voltage circuit breaker.
  • the holder allows the vacuum interrupter to be spatially fixed in the high-voltage circuit breaker in a mechanically stable manner, is cost-effective and enables the high-voltage circuit breaker to function reliably and with long-term stability.
  • the vacuum interrupter and the columnar insulator can have a common longitudinal axis, which is in particular arranged parallel to the gravitational force. Due to the arrangement of the columnar insulator and the vacuum interrupter in the insulator perpendicular to the substrate or to the horizontal plane, only forces, in particular weight forces, act on the vacuum interrupter suspended on the holder along a direction parallel to the longitudinal axis. This makes it possible to easily and inexpensively fix the vacuum interrupter in the column-shaped insulator on the holder with long-term stability, in particular without stressing shearing forces that endanger the stability of the vacuum interrupter.
  • the holder can be pot-shaped, with a circular-cylindrical area, which is closed off by a base, to which the vacuum interrupter, in particular, is mechanically fastened.
  • the vacuum interrupter can e.g. B. be connected to one of their electrical contacts on the ground in surface contact, in particular screwed, soldered and / or welded.
  • the holder can be cup-shaped, with a sealing cover by means of which the hollow-cylindrical area of the holder and/or the insulator is closed in a fluid-tight manner on one side, the sealing cover in particular comprising a bursting disk (11).
  • the sealing cover can include an electrical connection of the high-voltage circuit breaker, and the bursting disk prevents the insulator from bursting in the event of excess pressure. If the insulator bursts, people, e.g. B. Maintenance personnel in the vicinity of the high-voltage circuit breaker are injured. To prevent this, a rupture disc at the top end of the high-voltage circuit breaker can discharge excess pressure in the high-voltage circuit breaker upwards by bursting without endangering people.
  • the overpressure can e.g. B. by heating during operation, as a result of an arc fault, or by environmental influences such. B. Temperature changes, pressure changes in the environment or solar radiation.
  • the holder can include a shield for an electrically contacted end region of the vacuum interrupter, in particular a hollow-cylindrical shield at a lower end of the holder.
  • the electric field in the vicinity of the electrical contact points of the vacuum interrupter can be shielded by the shielding and electrical flashovers and short circuits can be prevented, in particular via the inner wall of the insulation.
  • the wall can have reinforced areas which comprise a greater wall thickness than areas which are not reinforced.
  • electrical losses can be reduced, particularly in areas with excessive field increases, e.g. B. by corners and / or edges, which can be rounded in particular to reduce field increases.
  • the mechanical stability can be increased and thus the durability of the mount.
  • the hollow-cylindrical area of the holder comprises a filter material, in particular for the absorption of liquids and/or gaseous impurities.
  • the filter material can, for. B. be a desiccant which absorbs water and / or other liquids in particular.
  • the quality of z. B. Clean Air is permanently maintained, and condensation of liquid on the inner wall of the insulator and/or the outer wall of the vacuum interrupter is prevented, which could lead to a reduction in the insulating effect and thus to electrical flashovers. This ensures reliable functioning of the high-voltage circuit breaker.
  • filter material can be stored, in particular with good contact to the insulating gas.
  • Clean air can be included as the insulating gas, in particular inside the insulator. Clean Air is not harmful to the climate, if it escapes from 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 isolating contacts of the vacuum interrupter and/or external contacts of the high-voltage circuit breaker from each other inside the insulator, even at high voltages.
  • At least one opening can be formed in the base of the holder, in particular for heat dissipation of waste heat from a contact of the vacuum interrupter.
  • the holder can be pot-shaped, with a circular-cylindrical area, which is closed by a bottom, and in the bottom or in the area between the bottom and the lateral surface of the circular-cylindrical area, one or more openings z. B. be formed by drilling. Waste heat in the operation of the high-voltage circuit breaker, which z. B. forms on electrical contacts of the vacuum interrupter, especially at high current flows, can be dissipated by convection of the insulating gas through the at least one opening, in other areas of the high-voltage circuit breaker, z. B.
  • the vacuum interrupter in particular a contact of the vacuum interrupter shielded by the shielding, can be cooled and overheating or damage or destruction of the vacuum interrupter due to excessively high temperatures can be prevented.
  • At least one opening can 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-cylindrical area inside the holder.
  • the openings can be formed in the circular-cylindrical shell.
  • insulating gas from the gas space or area between the insulator and the holder can flow into and/or out of the hollow-cylindrical area inside the holder through the at least one opening, e.g. B. for cooling the hollow-cylindrical area inside the holder, a dissipation of excess pressure and / or for good gas contact with z.
  • B. Filter material for cooling the hollow-cylindrical area inside the holder, a dissipation of excess pressure and / or for good gas contact with z.
  • the high-voltage circuit breaker can include at least two external electrical connections in the manner of a connection lug be, 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 is electrically connected via the bracket to an electrical fixed contact of the vacuum interrupter, in particular is directly connected.
  • the at least two external electrical connections in the manner of a terminal lug can be designed to connect high-voltage lines, power generators and/or power consumers to the high-voltage circuit breaker, and the high-voltage circuit breaker can close and/or open a current path between high-voltage lines, power generators and/or power consumers.
  • the high-voltage circuit breaker thus electrically connects high-voltage lines, power generators and/or power consumers together and/or electrically separates them, in particular for voltages in the range of 35 kV, 145 kV and/or up to 1200 kV.
  • the mount can be monolithic. As a result, electrical losses can be avoided when current flows through the mount, in particular with currents in the range of a few hundred amperes, which could occur at the connection points of the parts if the mount is designed in multiple parts. The reduction in electrical losses can also reduce the generation of heat or waste heat from the high-voltage circuit breaker during operation, which increases operational reliability and longevity, and prevents damage and even destruction as a result of high temperatures.
  • a method for holding a vacuum interrupter in a columnar insulator of a high-voltage circuit breaker, in particular in a high-voltage circuit breaker described above, includes that the vacuum interrupter is spatially fixed in the insulator via a hollow cylindrical holder and electrically connected to an external terminal of the high-voltage circuit breaker, and the vacuum interrupter the bracket hangs down.
  • the holder When the high-voltage circuit breaker is in operation, the holder can dissipate a large amount of heat from the vacuum interrupter to the surroundings of the high-voltage circuit breaker, in particular from the inside of the insulator to the outside.
  • FIGS Figures 1 to 5 shown and described in more detail below.
  • FIG 1 a sectional view of a high-voltage circuit breaker 1 according to the invention is shown viewed from one side.
  • the high-voltage circuit breaker 1 comprises a vacuum interrupter 3 in a columnar insulator 4 which is attached to a bracket 2 of the high-voltage circuit breaker 1 .
  • the vacuum interrupter 3 is essentially in the form of a circular cylinder, with a longitudinal axis coaxial with the longitudinal axis of the columnar insulator 4, which is also essentially in the form of a circular cylinder.
  • the columnar insulator 4 is hollow cylindrical in shape with annular ribs extending around the outer periphery, which increase electrical insulation along the longitudinal axis of the insulator 4 by lengthening the path for leakage currents on the outer periphery of the insulator 4 along its longitudinal axis.
  • the insulator 4 is z. B. made of ceramic, silicone and / or an electrically insulating composite material.
  • the cylindrical hollow body of the insulator 4 is at its ends, i. H. on the base and top surface of the cylinder, sealed gas-tight and each provided with an external electrical connection 5 in the form of a terminal lug of the high-voltage circuit breaker 1.
  • a sealing cover 10 is used to seal the insulator 4 in a gas-tight manner.
  • the insulator 4 is arranged on a carrier, which is not shown in the figures for the sake of simplicity, on which the columnar insulator 4 is mounted with its longitudinal axis perpendicular is arranged to the ground 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 of Are not shown in the figures for the sake of simplicity.
  • a moving contact in the vacuum interrupter 3 is driven via the drive and the elements of the kinematic chain, as a result of which a current path via the vacuum interrupter 3 between the external electrical connections 5 is separated or opened or connected or closed.
  • the high-voltage circuit breaker 1 switches on or off high-voltage cables, power generators and/or electrical consumers connected to the terminals 5 in particular.
  • the high-voltage circuit breaker 1 is designed in particular 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 sealed in a gas-tight manner by the sealing cover 10.
  • the bracket 2 is z. B. clamped between a flange at the end of the insulator 4 and the closure cap 10, screwed, welded, soldered and / or glued.
  • a brim in the case of a hat-shaped holder 2 is used to fasten the holder 2 between the flange on the insulator 4 and the closure cover 10.
  • the electrical connection 5 is arranged in the form of a connection lug directly on the rim outside of the insulator 4 on the holder 2 and has good electrical conductivity in particular connected directly to bracket 2.
  • the holder 2 protrudes with a hollow-cylindrical shell as a wall 6, arranged coaxially with the columnar insulator 4, into the interior of the insulator 4, and is closed at the opposite end to the brim with a bottom 9 as a circular-cylindrical base.
  • FIG 2 is a schematic sectional view of the holder 2 arranged in the insulator 4 and closed gas-tight with the closure cap 10 at the top, shown enlarged.
  • the bottom 9 is an electrical contact, in the embodiment of the figures, the fixed contact 17 of the vacuum interrupter 3, fastened with good electrical conductivity.
  • the floor 9 is with additional material reinforced, ie has a greater thickness than the cylindrical wall 6 of the holder 2.
  • the reinforced area 15 reduces electrical losses at high current intensities.
  • the fixed contact 17 of the vacuum interrupter 3 is connected in flat electrical contact with the bottom 9 of the holder 2, z. B. soldered, welded, screwed, and / or glued.
  • the vacuum interrupter 3 extends down 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 at least a second cylindrical z. B. ceramic insulator, which is closed at the lower end with a lid-shaped, in particular metallic closure for a vacuum-tight vacuum interrupter 3.
  • a drive rod z. B. via a bellows vacuum-tight, movably mounted in the vacuum interrupter 3 to drive the moving contact when switching in the vacuum interrupter 3 can.
  • Such vacuum interrupters are known from the prior art and are shown only schematically from the outside in the figures.
  • the vacuum interrupter 3 z. B. by a hollow-cylindrical holder in the insulator 4 mechanically fixed, in particular immovably, coaxially to the insulator 4 fixed.
  • the holder can support the vacuum interrupter 3 mechanically at the top.
  • the vacuum interrupter 3 is suspended from the holder 2, which results in a mechanically and temporally stable arrangement of the vacuum interrupter 3 in the insulator 4, even when forces are applied to the vacuum interrupter 3 during switching.
  • the holder 2 has such. B. in the embodiment of figure 2 is shown in the areas of the connection between the cylindrical shell or wall 6 of the holder 2 and the base 9 as well as in areas of the connection of the cylindrical jacket or wall 6 of the holder 2 and the brim of the hat-shaped holder 6, areas 15 reinforced by additional material.
  • the material thickness of the holder 2 is thicker in the reinforced areas 15, in particular twice to three times as thick as the thickness of the wall 6 in the cylindrical jacket area of the holder 6. Due to the reinforced areas 15, when there is a high current flow via the holder 6, between fixed contact 17 the vacuum interrupter and external electrical connection 5 of the high-voltage circuit breaker 1, electrical losses are reduced.
  • Openings 8 are provided which z. B. are round or elliptical, formed continuously through the wall. These can e.g. B. as a bore, by punching or in a casting of the bracket 2 in the wall 6 are introduced. It can e.g. B. two, four or six through the wall 6 openings 8 can be formed, in particular two on opposite sides of the wall 6.
  • the openings 8 fluidly connect the inner area of the hollow-cylindrical holder 2 with the insulating gas-filled area between holder 2 and insulator 4. Gas exchange, in particular of clean air, between the inner area of the hollow-cylindrical holder 2 and the area between the holder 2 and the insulator 4 is possible via the openings 8 .
  • openings 7 can be provided in the base 9 and/or in the reinforced area 15 between the base 9 and the cylindrical jacket 6 of the holder 2 .
  • the openings 7 fluidly connect the inner area of the hollow-cylindrical holder 2 with the insulating gas-filled area between the holder 2 and the vacuum interrupter 3 at the bottom End 14 of the holder 2.
  • a gas exchange, in particular of clean air, between the inner area of the hollow-cylindrical holder 2 and the area between the holder 2 and the vacuum interrupter 3 is possible via the openings 7 .
  • Heat which arises in particular when there is a high current flow at the fixed contact 17 and/or at the mechanical contact with the holder 2, can, for. B. by convection of gas through the openings 7 and 8 to the environment and be discharged from the vacuum interrupter 3.
  • FIG 4 is a schematic, enlarged sectional view of a section of the lower end 14 of the holder 2 of FIG figure 3 shown.
  • a shield 12 is arranged on the holder 2 in a cylindrical manner.
  • the shield 12 comprises the base 9 of the holder 2 as a top surface and has a slightly larger circumference than the circumference of the vacuum interrupter 3.
  • the shield 12 is slipped over the end region 13 of the vacuum interrupter 13 and electromagnetically shields it from the environment, in particular from the Inner wall of the insulator 4. Flashovers and leakage currents between the contacts of the vacuum interrupter 3, in particular via the inner wall of the insulator 4, are thereby reduced or prevented.
  • the inner shape of the shield 12 corresponds enlarged to the outer shape of the end area 13 of the vacuum interrupter 13, with a constant distance between the shield 12 and the end area 13 of the vacuum interrupter 13 along the circumference, in particular in the range of millimeters or a few centimeters.
  • FIG 5 is a schematic sectional view of the high-voltage circuit breaker 1 in the area of the holder 2 according to FIG figure 3 shown, with a bursting disc 11 in a cover 10 of the high-voltage circuit breaker 1.
  • the bursting disc 11 can break or burst, and a pressure equalization between the environment and the interior of the high-voltage circuit breaker 1 result.
  • An overpressure can e.g. B. when the temperature increases in the high-voltage circuit breaker 1 via the insulating gas, in particular by heating elements of the high-voltage circuit breaker 1 at high current flow and / or solar radiation.
  • the bursting disc 11 diverts the overpressure in a direction perpendicular to the earth's surface and prevents the insulator 4 from bursting to the side. Persons, in particular maintenance personnel, are thus protected from injuries caused by debris from the insulator 4 flying around. Openings 7, 8, in particular openings 8 can be dimensioned such that a pressure equalization z. B. between the area between the bracket 2 and the insulator 4 and the interior of the bracket 2 is predetermined, and the bursting disc 11 can burst from a certain internal pressure change.
  • the exemplary embodiments described above can be combined with one another and/or can be combined with the prior art, as described in the next sentences.
  • the bursting disc 11 different materials such. B. sheet metal and / or plastic.
  • the thickness and/or area of the bursting disk 11 can be designed depending on the maximum permitted internal pressure in the high-voltage circuit breaker 1 .
  • the holder 2 is made of a highly electrically and thermally conductive material such. B. copper, steel and / or aluminum, which has a high mechanical strength. High current intensities, in particular in the range of a few hundred amperes, can flow via the holder 2 without a great deal of heat being generated. Heat from the vacuum interrupter 3 can be easily dissipated to the environment via the holder.
  • the wall 6 in particular can be designed with a uniform thickness in the range of centimeters. Reinforced areas 15 of the holder 2 can also be provided with a thickness that is twice or even multiple of the thickness of the wall 6 .
  • the vacuum interrupter 3 can be fixed by screws in the bottom 9 of the holder 2, hanging with a Direction of force of the weight in the direction of or parallel to the longitudinal axis of the vacuum interrupter 3.
  • Other fastening means and/or methods for fastening the vacuum interrupter 3 to the base 9 of the holder 2 can also be used, e.g. B. rivets, bolts, welding, soldering and / or gluing.
  • the vacuum interrupter 3 can be coaxially fixed in the insulator 4 via the bracket 2, even if the insulator 4 is inclined.
  • a one-piece or monolithic design of the bracket 2 can reduce current losses or power losses during operation of the high-voltage circuit breaker 1
  • the holder 2 can also be constructed in several parts, in particular with good electrical contact between the individual parts or elements of the holder 2.

Landscapes

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

Claims (14)

  1. Disjoncteur (1) à haute tension ayant une fixation (2) à la manière d'une suspension d'un tube (3) interrupteur à vide, dans lequel le tube (3) interrupteur à vide est monté dans un isolateur (4) en forme de colonne et le tube (3) interrupteur à vide est immobilisé dans l'espace dans l'isolateur (4) par la fixation (2) et est relié électriquement à une borne (5) extérieure du disjoncteur (1) à haute tension, et
    dans lequel la fixation (2) comprend une partie en forme de cylindre creux ayant une paroi (6), qui a au moins une ouverture (7, 8),
    caractérisé en ce que
    la partie en forme de cylindre creux de la fixation (2) entoure une matière (16) filtrante.
  2. Disjoncteur (1) à haute tension suivant la revendication 1,
    caractérisé en ce que
    le tube (3) interrupteur à vide et l'isolateur (4) en forme de colonne ont un axe longitudinal commun, qui est parallèle à la direction de la force de gravité.
  3. Disjoncteur (1) à haute tension suivant l'une des revendications précédentes,
    caractérisé en ce que
    la fixation (2) est constituée en forme de pot ayant une partie en forme de cylindre de section transversale circulaire, qui est fermée par un fond (9), auquel le tube (3) interrupteur à vide est fixé mécaniquement.
  4. Disjoncteur (1) à haute tension suivant l'une des revendications précédentes,
    caractérisé en ce que
    la fixation (2) est conformée en forme de pot ayant un couvercle (9) de fermeture, par lequel la partie en forme de cylindre creux de la fixation (2) et/ou l'isolateur (4) sont fermés d'un côté d'une manière étanche au fluide, le couvercle (10) de fermeture comprenant un disque (11) de rupture.
  5. Disjoncteur (1) à haute tension suivant l'une des revendications précédentes,
    caractérisé en ce que
    la fixation (2) comprend un blindage (12) d'une partie (13) d'extrémité, mise en contact électriquement, du tube (3) interrupteur à vide, blindage qui est un blindage (12) en forme de cylindre creux à une extrémité (14) inférieure de la fixation (2) .
  6. Disjoncteur (1) à haute tension suivant l'une des revendications précédentes,
    caractérisé en ce que
    la paroi (6) a des parties (15) renforcées, qui comprennent une épaisseur de paroi plus grande que des parties qui ne sont pas renforcées.
  7. Disjoncteur (1) à haute tension suivant l'une des revendications précédentes,
    caractérisé en ce que
    la matière (16) filtrante est une matière filtrante d'absorption de liquides et/ou d'impuretés gazeuses.
  8. Disjoncteur (1) à haute tension suivant l'une des revendications précédentes,
    caractérisé en ce que
    de l'air propre est enfermé comme gaz isolant à l'intérieur de l'isolateur (4).
  9. Disjoncteur (1) à haute tension suivant l'une des revendications précédentes,
    caractérisé en ce qu'
    au moins une ouverture (7) est constituée dans le fond (9) de la fixation (2) pour l'évacuation de la chaleur d'un contact du tube (3) interrupteur à vide.
  10. Disjoncteur (1) à haute tension suivant l'une des revendications précédentes,
    caractérisé en ce qu'
    au moins une ouverture (8) est constituée dans la paroi (6) de la fixation (2) pour une communication fluidique de l'espace réservé au gaz entre l'isolateur (4) et la fixation (2) avec la partie en forme de cylindre creux à l'intérieur de la fixation (2).
  11. Disjoncteur (1) à haute tension suivant l'une des revendications précédentes,
    caractérisé en ce qu'
    il y a au moins deux bornes (5) électriques à la manière d'une barrette de connexion, respectivement au moins une borne (5) électrique extérieure du disjoncteur (1) à haute tension à chaque extrémité de l'isolateur (4) en forme de colonne, dans lequel au moins une borne (5) électrique extérieure est reliée électriquement par la fixation (2) à un contact électrique fixe du tube (17) interrupteur à vide.
  12. Disjoncteur (1) à haute tension suivant l'une des revendications précédentes,
    caractérisé en ce que
    la fixation (2) est constituée de manière monolithique.
  13. Procédé de retenue d'un tube (3) interrupteur à vide dans un isolateur (4) en forme de colonne d'un disjoncteur (1) à haute tension suivant l'une des revendications précédentes, dans lequel on immobilise dans l'espace le tube (3) interrupteur à vide dans l'isolateur (4) par une fixation (2) en forme de cylindre creux et on le relie électriquement à une borne (5) extérieure du disjoncteur (1) à haute tension, et le tube (3) interrupteur à vide est suspendu vers le bas à la fixation (2).
  14. Procédé suivant la revendication 13,
    caractérisé en ce que
    la fixation (2) évacue, lorsque le disjoncteur (1) à haute tension est en fonctionnement, une grande quantité de chaleur du tube (3) interrupteur à vide de l'intérieur de l'isolateur (4) vers l'extérieur à ce qui entoure le disjoncteur (1) à haute tension.
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 EP3698386A1 (fr) 2020-08-26
EP3698386B1 true EP3698386B1 (fr) 2023-02-08

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

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* 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
DE102020210183A1 (de) * 2020-08-12 2022-02-17 Siemens Energy Global GmbH & Co. KG Hochspannungsleistungsschalter und Verfahren zum Herstellen eines Hochspannungsleistungsschalters

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943315A (en) * 1973-12-21 1976-03-09 Westinghouse Electric Corporation High-voltage gas-type circuit-interrupter having improved gas-partitioning and particle collecting means
DE10207892B4 (de) * 2002-02-20 2004-02-05 Siemens Ag Vakuumschaltröhre mit einem Schaltkontaktstück
DE10308573A1 (de) * 2003-02-21 2004-09-09 Siemens Ag Elektrischer Schalter für Hoch- oder Mittelspannung
DE10350578A1 (de) * 2003-10-27 2005-06-09 Siemens Ag Gasdichtes Kapselungsgehäuse eines elektrischen Schaltgerätes
CN100440412C (zh) * 2006-09-13 2008-12-03 施文峰 低压真空开关
CN202434411U (zh) * 2011-12-26 2012-09-12 沈阳华德海泰电器有限公司 一种高压真空断路器的固封极柱
CN203118851U (zh) * 2013-03-14 2013-08-07 宝光集团有限公司 防潮户外高压真空断路器
CN203250682U (zh) * 2013-05-08 2013-10-23 山东凯尔通电气有限公司 一种上出线座
CN204516676U (zh) * 2015-05-05 2015-07-29 武汉飞特电气有限公司 一种静端带有屏蔽罩的真空开关管
CN205004248U (zh) * 2015-09-25 2016-01-27 山东凯尔通电气有限公司 上出线座
CN205081049U (zh) * 2015-10-29 2016-03-09 无锡市蓝虹电子有限公司 大电流自散热真空开关管
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CN106057563B (zh) * 2016-07-15 2018-09-28 中科电力装备集团有限公司 户外高压真空断路器
CN107342185B (zh) * 2017-09-06 2020-04-17 北京京东方真空电器有限责任公司 一种真空开关管及真空开关

Also Published As

Publication number Publication date
CN111630619A (zh) 2020-09-04
DE102017222933A1 (de) 2019-06-19
CN111630619B (zh) 2024-04-05
WO2019115133A1 (fr) 2019-06-20
EP3698386A1 (fr) 2020-08-26

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