WO2018024443A1 - Système et procédé pour abaisser la tension d'appareils de commutation haute tension - Google Patents

Système et procédé pour abaisser la tension d'appareils de commutation haute tension Download PDF

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Publication number
WO2018024443A1
WO2018024443A1 PCT/EP2017/067082 EP2017067082W WO2018024443A1 WO 2018024443 A1 WO2018024443 A1 WO 2018024443A1 EP 2017067082 W EP2017067082 W EP 2017067082W WO 2018024443 A1 WO2018024443 A1 WO 2018024443A1
Authority
WO
WIPO (PCT)
Prior art keywords
arrangement
long
switching
rod insulator
head
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.)
Ceased
Application number
PCT/EP2017/067082
Other languages
German (de)
English (en)
Inventor
Ulf HEINRICH
Helmut Holler
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 AG
Siemens Corp
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
Priority to EP17740691.5A priority Critical patent/EP3469614A1/fr
Publication of WO2018024443A1 publication Critical patent/WO2018024443A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/54—Anti-seismic devices or installations

Definitions

  • the invention relates to an arrangement and a method for clamping high-voltage switching devices, with at least one supporter and at least one switch head.
  • High-voltage switchgear for electric voltages and currents in particular in the range of up to some 10 'to a few 000 V up and l' OOO A, have a height of several meters. They can be made up of a supporter and a switching head.
  • the switching head is arranged on the insulating supporter and includes switching devices such.
  • the supporter is perpendicular to the ground or on a flat foundation. Horizontal on the supporters can be arranged housing with the switching devices, in particular on each side of the same number of switching devices to the load for For ⁇ same on each side.
  • the arrangement has z.
  • a T-shape or it can be used in succession more supporters in the manner of a double-T shape.
  • a T or z. B. a double-T-shaped arrangement can be used, in particular arranged parallel to each other.
  • Switching heads with switching devices for high voltages have a high mass.
  • insulating housings, gears, shields, and connectors may be included in the switch heads, as well as extended interrupter units, resistors, and capacitors over a meter.
  • Leverage, when using z. B. a T-shaped high-voltage switching device with a switching head on a supporter, can be too high forces respectively at the two ends of the
  • the high forces can cause them to bend or fall over, or in particular to destroy them. lead the supervisor.
  • a mechanically stable design of the high-voltage switchgear must be ensured, even in the event of earthquakes.
  • the high-voltage switchgear must comply with the earthquake standards, such. B. the IEEE 693 or
  • the required earthquake standards for high-voltage switchgear can thus not be achieved without additional technical complexity and without high costs.
  • the object of the present invention is the avoidance or reduction of the problems described above.
  • it is an object to provide a cost-effective, simple arrangement and a method for high-voltage switchgear, wel ⁇ che lead to a mechanically stable structure, especially with regard to earthquakes.
  • the stated object is achieved by an arrangement for clamping high-voltage switchgear with the
  • An arrangement according to the invention for bracing of high-voltage switchgear comprises at least one supporter and at least one switching head and at least one Langstabiso ⁇ lator for tensioning the high-voltage switching device.
  • Long rod insulators are well suited to mecha ⁇ nically stabilize an arrangement with we ⁇ least one supporter and at least one switching head. About the long-rod insulator and the supporters good electrical insulation of the switching head is given. Long rod insulators are mechanically very stable, cost-effective, and provide a simple arrangement for clamping high-voltage switchgear. Bar insulators have a high degree of rigidity and, especially with regard to earthquakes, are well suited for absorbing or compensating mechanical forces due to rapid movements of the ground, which can engage switching heads and supports.
  • the at least one long-rod insulator may be biased to be biased and in particular train and / or tie rods to hold ⁇ .
  • Forces acting on a long-rod insulator may be greater than tensile forces than in the form of pressure Strengthens ⁇ th.
  • pressure forces the rods of long-rod insulators may buckle or break.
  • Biased to train Longrod ⁇ motors have the advantage that, when forces occurring the prestressed tensile force and the force by the breaking of a rod for compensating occurring forces such. In the event of an earthquake, for example, before destruction of the arrangement or kinking or breaking of a long-rod insulator may occur. follows. Thus, with preloaded on train Longrod ⁇ factors absorb greater forces or be compensated, as in long-rod insulators without pretension or with prestressed pressure on long-rod insulators.
  • the at least one long-rod insulator may comprise a fiber composite material and / or consist of a fiber composite material. Fiber composites have a high stability with low weight, are inexpensive to obtain and can be designed as a good electrical insulators.
  • the at least one supporter may be formed as a support column, in particular of an electrically insulating ceramic and / or electrically insulating silicone and / or an electrically insulating composite material.
  • support ⁇ columns with round cross-section and / or ribbed surface have a high mechanical stability, high electrical insulation, and low leakage currents. This makes them very well suited for electrical insulation of
  • the at least one long-rod insulator can be fastened to the at least one switching head. Additionally or alternatively, the at least one long-rod insulator in a shield on the switching head and / or of the at least one Stauerers and / or Wenig ⁇ least attached a Stauerers least one Stützers and / or on a shield centrally along the longitudinal axis of at an upper end.
  • three or four long-rod insulators can be fastened. So z. B. star-shaped away from the switching head or the supporters away long rod insulators be fixed with three or crosswise, ie four long rod insulators attached to a vertical position of the arrangement. This results in a good compensation of occurring forces, in particular in an earthquake, in all vertical directions.
  • a very high mechanical stability can be achieved by arrangement attached by three or four long rod insulators at the level of the switching head and reaching to the ground and simultaneous arrangement of three or four long rod insulators at the level of half the support and reaching to the ground.
  • At least one damping element can be included, which in particular is fastened in each case to a long-rod insulator, in particular between the bottom and long-rod insulator and / or between the long-rod insulator and the switching head and / or between the long-rod insulator and the support and / or between the long-rod insulator and the shield.
  • the at least one damping element can, for. B. be a spring damper and / or include a spring damper.
  • the at least one damping element may comprise a toggle lever About ⁇ reduction assembly.
  • z. B one or more long rod insulators attached to a lever joint, and the
  • Lever joint is directly or over z.
  • B. a spring damper on the ground or on the switching head or on the supporter or attached to a shield. In deflections, a movement is compensated via the Hebelge ⁇ steering according to the lever length.
  • the high-voltage switching device may be a high-voltage circuit breaker and / or disconnector, in particular for a voltage range of 550 kV, 800 kV and / or 1100 kV.
  • the high-voltage switching device may be designed in the manner of a life tank and / or as a double switching head.
  • the high-tension ⁇ -voltage switching device is T-shaped may be formed, with which we ⁇ tendonss a supporter as a vertical element and the at least one switching head as a horizontal member of the T-shape, in particular with at least one interrupter unit and / or with at least one on-resistance and / or with at least one capacitor, covered by the switching head.
  • the arrangement described above is well able to provide a mechanically stabilize ing high voltage switching device and can be created inexpensively.
  • At least one drive in particular a motor and / or a spring-loaded drive can be included.
  • the drive can in particular be attached to at least one supporter.
  • Ele ⁇ ments a kinematic chain can be arranged in at least one supporter, for driving switching units in at least one switching head.
  • the at least one supporter and / or the at least one switching head can be filled with a switching gas, in particular with SF 6 .
  • the at least one long-rod insulator may be attached to a flange, in particular a flange of the interrupter unit and / or a flange between parts of the at least one supporter. Flanges are mechanically stable and provide a mechanically stable attachment of the long-rod isolators, which can absorb high forces.
  • An inventive method for stretching from Hochspan--voltage switching devices includes that by isolator at least one long-rod, in particular biased to train, the high tensioning ⁇ -voltage switching device is held in a mechanically stable, insbeson ⁇ particular during earthquakes ,
  • the at least one long-rod insulator in particular in conjunction with at least one damping element, in particular we ⁇ iquess a spring damper, in particular can damp vibrations with low frequency well.
  • FIGS. 1 to 4 embodiments of the invention are schematically illustrated in FIGS. 1 to 4 and described in more detail below.
  • FIG. 1 is a schematic side view of an inventive device
  • Figure 3 shows a schematic side view of the arrangement 1 of
  • Kniehebelüberset ⁇ -cutting assembly 7 as a damping element.
  • the arrangement 1 comprises a switching head 3 arranged on a support 2, wherein long-rod insulators 4 are fastened to the switching head 3.
  • the long-rod insulators 4 are supported or fixed with the opposite side to the side of the attachment to the switching head 3 on the ground.
  • two long-rod insulators 4 are shown by way of example, a third long-rod insulator 4 is hidden by the support 2 in the illustrated embodiment. From above betrach ⁇ tet the contact points of the long-rod insulators 4 yield with the ground, a triangle, in particular an isosceles Triangle. Alternatively, z. B. four or more long-rod insulators 4 are used, which is not shown in the figures for simplicity. When four Long Stabisola ⁇ gates 4 revealed from above, the contact points of the long-rod insulators 4 with the ground a rectangle, in particular a square.
  • the device 1 with operating head 3 and supporters 2 results in a T-shape in the plane, wherein the switching head 3 from the supporters 2 of view on the right and left sides of each egg ⁇ ne interrupter unit 9 and a turn 10 includes fully. It is also possible to include capacitors and further electrical units of switching devices which, for the sake of simplicity, are not shown in the exemplary embodiments of the figures.
  • the electrical units such. B. cup units 9, resistors 10, or capacitors are each housed in a housing, in particular a tubular insulating housing, or housed together in a ge ⁇ common or more housings. Electrical units such. B. disconnectors can be arranged without housing on the supporter 2.
  • the housing of the electrical units such.
  • Interrupter units 9 include flanges 11, via which a fastening tion on the support 2 directly or indirectly, for. B. via a housing of a gear unit takes place.
  • the housing of the electrical units comprise terminals 13 for power lines, in particular a power grid.
  • electrical cables such. B. overhead lines and / or busbars.
  • the supporter 2 is arranged perpendicular to the ground on which the high-voltage switching device is located, and may be formed as a column in two or more parts.
  • the supporter 2 comprises one or more insulators 15, which z. B. are executed in a tubular with ribs on the surface, and off Materials such. As silicone, ceramic or composite materials. Insulators 15 are connected to each other via flanges 12, in particular via a flange 12 arranged centrally of the supporter 2, as shown in Figure 1.
  • Units such as B. drive 8 and / or control 14 of a high-voltage switching device are arranged on the support 2. Elements of a kinematic chain, such. As waves and rods can be arranged in the supporter 2 to mechanical kinetic energy from the drive to the switching units such. B. Interrupter units 9 to transmit. As a drive 8 z. B. a motor and / or spring drive can be used, controlled triggered by the controller 14.
  • the kinematic chain may include other elements, such. As transmission or deflection devices which transmit the kinetic energy for switching from the drive 8 to the Einhei ⁇ th 9 to be switched.
  • the long-rod insulators 4 can also be fastened centrally to the support 2. They can directly on the insulator 15 or z. B. attached to a flange 12 between two insulators 15.
  • the one or more simulators Langstabiso ⁇ 4 fixed to the supporters 2, may alternatively or additionally be used for the fixed to the switch head 3 Langstabisolato- ren. 4
  • the shields 5 are z. B. in the form of tubular metal rings with a round cross-section, arranged around electrically conductive regions of the assembly 1, attached to the switching head 3 or the support 2. They shield electromagentisch z. B. connections 13 and / or metallic transitions such. B. flanges 11, 12, so that no electrical flashovers on this Be ⁇ rich.
  • the long-rod insulators 4 are fastened to the shields 5. These can alternatively or in addition to the long rod insulators 4 fastened directly to the switching head 3 and / or the support 2.
  • the long-rod insulators 4 are anchored or fastened to the ground or to a foundation in the ground with the opposite side, which is opposite the side of the attachment to the switching head 3 and / or the support 2 and / or the shield 5.
  • an angle ⁇ is formed between a long-rod insulator 4 and the plane of the earth's surface, which z. B. in the range of 30 to 80 degrees, in particular 45 degrees.
  • the angle ⁇ is inter alia dependent on the height of the arrangement 1, the mounting location of the or the long rod ⁇ insulators 4 on the switching head 3 and / or on the support 2 and / or on the shields 5, the space available at the site of the arrangement 1 , And the necessary maximum force for mechanical stabilization of the high-voltage switching device by the long-rod insulators. 4
  • damping elements 6 may be arranged between the long-rod insulators 4 and the attachment point on the ground, the switching head 3, the supporter 2, and / or on the shields 5.
  • the damping elements 6 attenuate in particular movements with high amplitude
  • a toggle mechanism 7 attenuates in particular large movement amplitudes.
  • one side of the knee lever transmission device 7 is fastened to a long-rod insulator 4, ie a lever arm, which interacts via a rotary joint 16 with a further lever arm.
  • the second is poor on the ground or an increase from the ground, z. B.
  • a spring element 6 is attached.
  • the levers are arranged in a basic position, in particular at an angle of 90 degrees to each other. At maximum deflection, the levers can be arranged maximally in a position along a straight line with their longitudinal axes.
  • the Hebelarmzel can be used as a movement path at z. B. earthquakes are attenuated by the toggle mechanism 7.
  • the embodiments described above can awakeei ⁇ Nander be combined and / or can be combined with the prior art.
  • So z. B. different types of materials for the long-rod insulators 4 are used. Fiber composites, plastics and other electrically insulating materials may be used. The length can be in the range of meters and it can be used for the long rod insulators 4 rods with z. B. circular, triangular, rectangular or square, or hexagonal cross-section.
  • the supporter 2 may consist of a plurality of insulators 15, in particular in columnar form, which z. B. are interconnected via flanges 12.
  • the long bar insulators 4 may be attached to one or more flanges.
  • the long-rod insulators 4 may be mounted centrally on the support 2 or z.
  • the mechanical stabilization by the long-rod insulators 4 is inexpensive and ensures reliable operation of the high-voltage switching device, especially in strong mechanical Belas ⁇ obligations by earthquakes or by weather.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Vibration Prevention Devices (AREA)
  • Insulators (AREA)

Abstract

L'invention concerne un système (1) et un procédé pour abaisser la tension d'appareils de commutation haute tension, comprenant un isolateur support (2) et au moins une tête de commutation (3), au moins un isolateur à long fût (4) servant à abaisser la tension de l'appareil de commutation haute tension. Ledit au moins un isolateur à long fût (4) est précontraint notamment en traction, ce qui permet de maintenir de manière stable, sur le plan mécanique, l'appareil de commutation haute tension, notamment en cas de tremblement de terre.
PCT/EP2017/067082 2016-08-05 2017-07-07 Système et procédé pour abaisser la tension d'appareils de commutation haute tension Ceased WO2018024443A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17740691.5A EP3469614A1 (fr) 2016-08-05 2017-07-07 Système et procédé pour abaisser la tension d'appareils de commutation haute tension

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016214552.5 2016-08-05
DE102016214552.5A DE102016214552A1 (de) 2016-08-05 2016-08-05 Anordnung und Verfahren zum Abspannen von Hochspannungs-Schaltgeräten

Publications (1)

Publication Number Publication Date
WO2018024443A1 true WO2018024443A1 (fr) 2018-02-08

Family

ID=59366408

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/067082 Ceased WO2018024443A1 (fr) 2016-08-05 2017-07-07 Système et procédé pour abaisser la tension d'appareils de commutation haute tension

Country Status (4)

Country Link
EP (1) EP3469614A1 (fr)
CL (1) CL2019000292A1 (fr)
DE (1) DE102016214552A1 (fr)
WO (1) WO2018024443A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018215561A1 (de) * 2018-09-13 2020-03-19 Siemens Aktiengesellschaft Koronaring für eine Hochspannungsvorrichtung
DE102023207759A1 (de) * 2023-08-11 2025-02-13 Siemens Energy Global GmbH & Co. KG Freiluft-Hochspannungs-Leistungsschalter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH395224A (de) * 1962-08-01 1965-07-15 Sprecher & Schuh Ag Isolatoren-Anordnung, insbesondere für Höchstspannungs-Schaltgeräte
EP2161803A2 (fr) * 2008-09-05 2010-03-10 General Electric Company Plate-forme de condensateur de séries mouillé
WO2013064167A1 (fr) * 2011-10-31 2013-05-10 Siemens Aktiengesellschaft Plate-forme de support
CN102360990B (zh) * 2011-09-30 2014-12-31 中国电力科学研究院 一种多断口特高压直流断路器结构

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006004811A1 (de) * 2006-01-26 2007-08-09 Siemens Ag Elektrisches Schaltgerät mit Potentialsteuerung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH395224A (de) * 1962-08-01 1965-07-15 Sprecher & Schuh Ag Isolatoren-Anordnung, insbesondere für Höchstspannungs-Schaltgeräte
EP2161803A2 (fr) * 2008-09-05 2010-03-10 General Electric Company Plate-forme de condensateur de séries mouillé
CN102360990B (zh) * 2011-09-30 2014-12-31 中国电力科学研究院 一种多断口特高压直流断路器结构
WO2013064167A1 (fr) * 2011-10-31 2013-05-10 Siemens Aktiengesellschaft Plate-forme de support

Also Published As

Publication number Publication date
DE102016214552A1 (de) 2018-02-08
EP3469614A1 (fr) 2019-04-17
CL2019000292A1 (es) 2019-07-05

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