WO2018059919A1 - Ensemble et procédé de maintenance de disjoncteurs haute tension - Google Patents

Ensemble et procédé de maintenance de disjoncteurs haute tension Download PDF

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Publication number
WO2018059919A1
WO2018059919A1 PCT/EP2017/072733 EP2017072733W WO2018059919A1 WO 2018059919 A1 WO2018059919 A1 WO 2018059919A1 EP 2017072733 W EP2017072733 W EP 2017072733W WO 2018059919 A1 WO2018059919 A1 WO 2018059919A1
Authority
WO
WIPO (PCT)
Prior art keywords
arrangement
high voltages
devices
switching
switching high
Prior art date
Application number
PCT/EP2017/072733
Other languages
German (de)
English (en)
Inventor
Thomas Chyla
Oliver DUWE
Stefan Giere
Volker Lehmann
Jörg Teichmann
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2018059919A1 publication Critical patent/WO2018059919A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment

Definitions

  • the invention relates to an arrangement and a method for the maintenance of high-voltage switches, which comprise at least two devices for switching high voltages. Each device for switching high voltages is associated with at least one support element.
  • Circuit breakers in particular gas-insulated high-voltage power switches and / or vacuum tubes, and may include capacitors and resistors.
  • Means for switching high voltages closing or opening current paths at high electric voltages and currents in particular in the range of up to 1 '200 kV and up to a few l' OOO A.
  • the means for switching high voltages must if necessary and / or at regular Intervals are serviced.
  • elements such as gas pressure measuring devices and / or meters, the switching frequency, and / or elements to repair or austau ⁇ rule.
  • a secure access for the maintenance personnel to the serviceable elements is absolutely necessary.
  • Devices for switching high voltages, in particular with circuit breakers have z.
  • resistors and / or capacitors which are arranged on Tragele ⁇ elements.
  • Support elements include in particular support frames, z. As metal, and insulators, z.
  • a support frame can, for. B. include a T-beam or a cylindrical column.
  • An insulator can, for. B. be formed as a ribbed cylindrical column, in particular composed of insulator segments.
  • a support element may, for. B. columnar elements, in ⁇ particular substantially perpendicular to a foundation ⁇ assigns, wherein the insulators are arranged on the support frame, in particular connected via flanges with the support frame mecha ⁇ nically stable.
  • the minimum distance is realized via the insulators, which are arranged between devices at high potential and elements and / or persons and vehicles at ground potential.
  • the means for switching high voltages are arranged such that between elements such. B. different columnar support elements of a device for switching high voltages, vehicles can happen.
  • the minimum distances T of the elements of the device for switching high voltages which are not surrounded by insulators and can be at high potential during operation of the device, to the possible vehicles, such.
  • trucks comply. To ensure this are supporting frames with a height of up to several meters, in particular the height of Lastkraftwa ⁇ conditions formed.
  • auxiliary equipment such as B. Conduct ladder and / or platform individually. So it may be z. B. in a maintenance of a three-pole, quadruple-breaking device for switching high voltages, each with two support elements for the four interrupter units of a pole, be necessary that the maintenance personnel six different auxiliary ⁇ facilities such. For example, ladders and / or platforms are needed to reach all the items to be serviced. So it may be z. For example, it may be necessary for maintenance personnel to have to climb and descend ladders six times to reach all the items to be serviced. This is time consuming and labor intensive, and leads to high costs.
  • the object of the present invention is the avoidance or reduction of the problems described above. Especially It is an object to provide an arrangement and a method for the maintenance of high-voltage switches, which lead to an avoidance of the problems described above, ie a better accessibility of the serviceable elements of a device for switching high voltages allows, in particular without the need for a repeated and dismounting of auxiliary devices or elements such. As ladders, which time, effort and costs can be saved.
  • the specified object is achieved by a Anord ⁇ tion for the maintenance of high-voltage switches with the features of claim 1 and / or by a method for the maintenance of high-voltage switches of a previously described arrangement according to claim 12.
  • An arrangement according to the invention for the maintenance of high-voltage switches comprises at least two devices for switching high voltages, wherein each device for the
  • the support elements are connected to each other via at least one begeh ⁇ bare connection means. Maintenance personnel can use the walk-in connection device to reach waiting elements of a device for switching high voltages in a time-saving, simple and thus cost-saving manner. Walkable in this context means that people can be on the connection device and can move on this.
  • the connecting device is in particular designed in such a way that it carries the weight of the persons.
  • elements te a device for switching high voltages be arranged, which lead from a device for switching high voltages to another means for switching high voltages, in particular arranged on or in the respectively associated support elements; z.
  • control or signal cable power supply cable
  • elements of a kinemati ⁇ cal chain in particular for transmitting a kinetic energy when switching from a drive or for synchronizing drives when switching.
  • the devices for switching high voltages may include circuit breakers, in particular gas-insulated high-voltage circuit breakers, and / or vacuum tubes, and / or capacitors, and / or resistors.
  • a support member may include a support frame, in particular a ⁇ Me tallgestell, and / or at least one insulator, in particular of ceramic and / or silicone, include.
  • the at least one or more insulators may be arranged on the support frame. So z. B. a common support frame or a
  • metallic T-shaped, U-shaped or columnar carriers in particular arranged on a foundation, includes. On the or on each support frame, at least one insulator, the ⁇ particular on each supporting frame, at least one insulator, at ⁇ be sorted. For example, in a four-way interrupting device for switching high voltages, a common support frame may be provided on which two insulators are each arranged with two interrupter units, in particular ⁇ special in TT form.
  • a three-pole arrangement can, for. B. comprise four interrupting device for switching high voltages, each with a support frame per four-way interrupting device, wherein on each support frame two insulators in particular with two interrupter units angeord ⁇ net are.
  • a three-pole arrangement may comprise three quadruple-breaking device for switching high voltages, each with one insulator per one or two interrupter units, with a common support frame for all insulators, or a support frame per pole, in particular two insulators, or with a support frame per Isolator .
  • An insulator can consist of several insulator segments, which z. B. columnar arranged one above the other and are connected to each other in particular via flanges.
  • the at least one connecting device may be designed in the manner of a connecting bridge or web between the support elements, in particular be fastened to the support elements. In this case, all supporting elements, or only supporting elements of one or different poles can be connected to one another via the connecting device.
  • the connecting device may be suspended in the manner of a suspension bridge below the upper En ⁇ of support elements, and / or be laterally attached to the support elements.
  • An attachment can z. B. by welding, bolts or screws. This results in a high stability and good accessibility of the connec ⁇ tion device for maintenance personnel or people in general.
  • At least one, in particular all devices for switching high voltages can be four times interrupting, in particular with each device for switching high voltages arranged on one or two support elements.
  • the arrangement can be designed as a three-pole arrangement, in particular for switching three poles independently of one another.
  • At least one drive in particular a drive for each Einrich ⁇ processing for switching high voltages may be included, and in particular each arranged on at least one support element.
  • So z. B. have a three-pole arrangement with four-fold interrupting devices for switching high voltages three drives, which arranged four interrupter units in particular two insulators when switching on ⁇ drive, which are arranged in particular at the upper end of Tragele ⁇ ment per pole and / or which about the connecting device can be easily reached.
  • a pole z. B a device for switching high voltages with a support frame, on which two insulators are arranged with each Weil ⁇ two interrupter units, wherein the supporting frames of the three poles are connected to each other via a connecting device.
  • the drive in particular arranged in a drive housing , may comprise regulating, control and / or measuring devices which are easily accessible via the connecting device for maintenance personnel.
  • each drive may be associated with a control or regulation in a separate housing, in particular with measuring devices such.
  • the devices for switching high voltages can be designed for switching voltages in the range of up to 1 ' 200 kV, in particular in the range of 800 kV to 1 ' 200 kV, in particular substantially of l ' 100 kV.
  • the at least one connecting device can be arranged at a height H, in particular measured at a height along the longitudinal axis of the support elements from the lower end of the support elements, which is greater than 2 meters, in particular greater than 4 meters.
  • the connecting means may, in particular formed as a bridge, may be arranged in a plane which is parallel to the plane of the foundation or the ground ⁇ surface, at a distance H of the plane in which the Connecting device is arranged to the level of Funda ⁇ ment or the earth's surface, which is greater than 2 meters, in particular greater than 4 meters.
  • the at least one connecting device may be made of metal, in particular of steel or aluminum, and / or may comprise metal, in particular steel or aluminum. These materials have a high mechanical stability and are well suited to provide a person-accessible connection device.
  • the at least one connecting device may comprise electrical and / or mechanical devices, in particular
  • the safety, especially the safety of personnel can be increased.
  • An electrically insulating fluid may be comprised by the erfindungsge ⁇ MAESSEN arrangement or elements of the array, in particular a liquid and / or a gas, in particular SF 6, nitrogen, dry air, carbon dioxide, a fluoroketone, and / or a Fluornitril.
  • Devices (2) for switching high voltages and / or insulators (6) can be combined with the electrically insulating fluid, in particular a liquid and / or a gas, in particular SF 6 , nitrogen, dry air, carbon dioxide, a fluoroketone, and / or a fluoronitrile to be filled.
  • a method according to the invention for the maintenance of high-voltage switches of a previously described arrangement comprises that maintenance personnel can access devices of the arrangement, in particular at least one drive of devices for switching high voltages, via at least one walk-through connection device, and / or that maintenance personnel have devices of the arrangement, in particular at least can achieve a drive of devices for switching high voltages, via at least one walk-in connection device.
  • the arrangement is or becomes passable under the at least one walk-through connection device.
  • Vehicles, in particular trucks, the arrangement can pass under the at least one walk-through connection means, d. H. move underneath, especially drive.
  • Figure 1 is a schematic side view of an arrangement 1 for
  • the arrangement 1 shows a schematic side view of an arrangement 1 for the maintenance of high-voltage switches according to the prior art.
  • the arrangement 1 comprises two devices 2 for switching high voltages, each on one
  • Support element 3 are arranged.
  • a device 2 for scarf ⁇ th of high voltages with the associated support member 3 each forms a T-shape.
  • the columnar design ⁇ th support elements 3 are arranged substantially vertically standing on a substrate, ie in particular a waa ⁇ fair foundation.
  • a support member 3 each comprises a support frame 5 and an insulator 6.
  • the insulator 6 is z. B. made of ceramic, silicone and / or a composite material, and is designed insbeson ⁇ particular columnar. In this case, an insulator 6 made of one piece or of segments, for. B. interconnected via flanges, be constructed. At the lower end of the insulator 6, not shown in the figure 1 for the sake of simplicity, elements such. As a drive, control and / or Rege ⁇ ment and measuring devices, such. As gas pressure gauge for switching gas pressure in the devices 2 for switching high voltages arranged.
  • the support frame 5 is z. B.
  • a device 2 for switching high voltages can, for. B. circuit breakers, resistors and / or capacitors.
  • the device 2 for switching high voltages is z. B. elongated, in particular with the longitudinal axis is arranged substantially parallel to the plane of the foundation ⁇ .
  • electricity consumers and / or electricity suppliers are arranged at the ends of the device 2 for switching high voltages.
  • two devices 2 for switching high voltages are electrically connected to each other via a power line or bus bar, electrically connected in series.
  • the device 2 for switching high voltages may be a single, double, triple, quadruple or other multi-interrupting device, with a corresponding number of interrupter units, in particular in the form of high-voltage circuit breakers.
  • each means 2 for switching high voltages a maintenance platform 13.
  • Personnel 11, ie maintenance personnel, via a conductor 9, wel - Che is arranged on the respective maintenance platform 13, reach the maintenance platform 13. From the walk-in maintenance platform 13, on which the staff 11 can bewe ⁇ gene, the elements to be serviced, such.
  • drives, control and / or regulation and measuring equipment, for the staff 11 easy to reach and operate or to maintain.
  • the devices 2 for switching high voltages are arranged on the support elements 3, that in switched ⁇ th state, ie with high voltage potential at the terminals 12, people and / or vehicles without risk in particular an electric shock between the devices 2 for Switching high voltages on the foundation or earthworks to be able to move.
  • the support elements 3 are formed with a height in meters, in particular depending on the voltage to be switched, z. B. with a height of up to 10 meters.
  • the insulators 6 of the support elements 3 are arranged above the height of persons and / or vehicles, in particular on supporting frames 5 with a minimum height in the region of the maximum size or maximum height of persons and / or vehicles.
  • support frames 5 z. B. have a height in Be ⁇ rich from 2 to 4 meters.
  • the maintenance platforms 13 are connected to the respective support elements 3 in the height of the elements to be serviced, z.
  • Maintenance personnel 11 must enter the maintenance platform 13 of a serviceable device 2 for switching high voltages via the associated conductors 9 for maintenance, and after the maintenance of the device 2 for switching high voltages, the conductors 9 descend again, and then the maintenance platform 13 of the next waiting device 2 to switch high voltages on their associated conductor 9 to enter.
  • a change from a device 2 for switching high voltages to the other device 2 for switching high voltages, at the level of the maintenance platforms 13 is not possible in the arrangement 1 for the maintenance of high-voltage switches of FIG. As a result, time is lost and expense and costs for the staff 11 when changing from a device 2 for switching high voltages to others.
  • FIG. 2 schematically shows an oblique view of an arrangement 1 according to the invention for the maintenance of high-voltage switches.
  • a three-pole, four-way interrupting high-voltage switch with twelve interrupter units is shown on six insulators 6, each two interrupter units being arranged on an insulator 6.
  • a support frame 5 is included in the reverse U-shape, on which two columnar, ribbed ge ⁇ insulators 6 are arranged.
  • each iso- lator a support frame may be 5 6 assigned or all Isolato ⁇ ren 6 may be arranged on a common supporting frame. 5
  • the support frames 5 and insulators 6 have substantially a longitudinal direction, which is arranged perpendicular to a horizontal plane of the foundation or ground.
  • the support frames 5 are firmly on the ground or foundation befits ⁇ taken, z. B. via screws or bolts, or in a concrete foundation z. B. poured.
  • the supporting frames 5 are z. B. of bar-shaped metal supports, in particular of steel and / or aluminum beams with a T- or H-shaped cross-sectional profile, which z. B. screwed together, riveted or welded.
  • the insulators 6 on the support points 5 are each constructed of ribbed, column-shaped, ie with a cylindrical cross-section formed insulators 6, z.
  • the insulators 6 are arranged in particular over the vertical parts or beams of the support 5, at the ends of the horizontal parts or beams of the support frames 5.
  • Each on an insulator 6, two interrupter units are arranged in the embodiment of Figure 2, elongated, with a longitudinal axis perpendicular to the longitudinal axis of the insulators 6.
  • the two interrupter units on the insulator 6 result in a T-shape.
  • High voltages comprises two insulators 6, each with two interrupter units, ie a total of four interrupters ⁇ in particular in series connected in series and koa ⁇ xial spatially arranged, resulting in a device 2 for switching high voltages, a TT-shape.
  • interrupter units ie a total of four interrupters ⁇ in particular in series connected in series and koa ⁇ xial spatially arranged, resulting in a device 2 for switching high voltages, a TT-shape.
  • the insulators 6 and support 5 of a device 2 for switching high voltages result in a support elements 3.
  • three support elements 3 are each arranged in a plane pa ⁇ rallel to each other.
  • four interrupter units are arranged, ie the high voltage switch of Figure 2 comprises twelve interrupter units, four per pole.
  • the ends of the four interrupter units per pole are respectively provided with terminals 12 for electrical lines, to which lines and / or busbars in particular of electrical networks, electrical consumers and / or generators can be connected or are.
  • the three support elements 3 with breaker units, ie with means 2 for switching high voltages, are connected to each other independently, only via a connecting device 4.
  • drives 7, switching, control and / or Steuerein ⁇ directions and sensors or measuring devices are each attached to each support frame 5 and / or arranged.
  • a device 2 for switching high voltages a common drive 7 for the particular four interrupter units have, which z. B. centrally on the upper end of the support frame 5, in particular on a crossbar of the support frame 5 z. B. attached, is arranged. Adjacent to the on ⁇ drive, z.
  • a spring drive a housing or a cabinet with control, and can be arranged or measuring devices.
  • Elements of a kinematic chain, for transmitting a switching movement from the drive to the interrupter units can be arranged on or in the support frame 5 and the insulators 6, which is not shown in the figures for the sake of simplicity.
  • a connection device 4 in particular in the form of a bridge with railing 8, is arranged between the three devices 2 for switching high voltages or between the three support points 5, in particular.
  • the connecting device 4 connects the three devices 2 for switching high voltages or their support point 5 with each other.
  • the connecting device 4 extends, in particular substantially, in a plane which runs parallel to the plane of the foundation or ground, with a spacing between them
  • the connecting device 4 is attached to the support frames 5, z. B. by screws, rivets and / or welding, z. B. hanging on transom of the supporting frames 5, in particular substantially directly below to be serviced facilities such.
  • One or more conductors 9 are arranged and / or fixed to the connecting device 4, which extend from the foundation or ground to the connecting device 4.
  • the connecting device 4 is formed as an elongated bridge, with a longitudinal axis perpendicular to the plane of the support elements 3 and the level of the devices 2 for switching high voltages, with a conductor 9 at the end of the connecting device.
  • the connecting device 4 may, for. B. made of metal, especially steel or aluminum, in particular with a lying in a plane frame of carriers and sheets mounted thereon or assembled directly from sheets. Conventional shapes and materials of bridges can be used for the connection device 4.
  • a railing 8, which extends around the circumference of the connecting device 4, with the exception of the area of the ladder 9, may be mounted in order to achieve a high level of occupational safety.
  • the conductor 9 can staff, ie, in particular specially abandonedbil ⁇ detes maintenance personnel on the connecting device 4 ge ⁇ long for. B. by climbing on the ladder 9.
  • the staff can move, in particular between different to-wait facilities such.
  • drives 7, switching, control and / or control devices and sensors or measuring devices, and / or insulators 6, and / or device 2 for switching high voltages According to the embodiment according to the invention of FIG. 2, it is no longer necessary to ascend and descend to reach the various devices to be serviced of different devices 2 for switching high voltages, in contrast to the exemplary embodiment according to the prior art of FIG. 1, with separate maintenance platforms 13 different devices 2 for switching high voltages.
  • the connecting device 4 is arranged at a height H, which allows people and / or vehicles without risk of electric shock in particular between the Einrich ⁇ lines 2 for switching high voltages on the foundation or ground can move. In this case, the minimum distance T of the persons and / or vehicles of elements which are at high-voltage potential is maintained.
  • the support elements 3 are formed with a height in meters, in particular depending on the voltage to be switched, z. B. with a height of up to 10 meters.
  • the insulators 6 of the support members 3 are arranged above the height of the connecting device 4, in particular on support frames 5 with a minimum height in the range of maximum size or maximum height of people and / or vehicles such.
  • So Kings ⁇ nen support frames 5 z. B. have a height in the range of 2 to 4 Me ⁇ tern and the connecting device 4 may be arranged substantially at this level.
  • the embodiments described above can awakeei ⁇ Nander be combined and / or can be combined with the prior art.
  • different types of high voltage switches can be used to connect the high voltage switch high voltage switch 2 to the connector 4.
  • One-, two-, three- or other multi-pole high-voltage switches can be used.
  • the connecting device 4 can connect all the devices 2 for switching high voltages as well as all poles with each other, or only individual poles and / or devices 2 for switching high voltages can be connected via the connecting device 4 mit- be connected to each other.
  • the height of the connection device 4 above the foundation or ground may be in the range of the size of people and / or vehicles or above, or z. B. in the range of animals to allow the animals to pass underneath the connecting device 4.
  • the connecting device 4 may consist of underschielichen materials such. As metals, wood, and / or plastics or include these, and be designed with or without railing, which may have different shapes.
  • the connecting device 4 can in particular to the
  • the connecting device 4 can, as shown in Figure 2, hanging below the cross ⁇ bars of the support point 5 are arranged or fixed, or z. B. be stored on the crossbar.
  • the connecting device 4 may, for. As sheets, grids, and / or planks.
  • the connecting device 4 can also be used for maintenance of the interrupter units 4 z. B. consist of an insulator, and be arranged at the level of the cup units, in particular with a conductor 9 made of insulating material or a removable conductor 9, in a live high-voltage switch. Safety devices such. B.
  • Disconnectors and earthing switches can be included, and for unauthorized use, the conductors 9 and / or the connecting device 4 can be secured against entering, eg. B. by lockable facilities such. As doors or flaps in the railing or on the connecting device. 4 Reference sign list

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

L'invention concerne un ensemble (1) et un procédé de maintenance de disjoncteurs haute tension, comprenant au moins deux dispositifs (2) destinés à la commutation de hautes tensions. Au moins un élément de support (3) est associé à chaque dispositif (2) destiné à la commutation de hautes tensions. Les éléments de support (3) sont reliés ensemble par l'intermédiaire d'au moins un dispositif de liaison (4) accessible, par l'intermédiaire duquel le personnel de maintenance (11) peut atteindre des dispositifs dudit ensemble (1).
PCT/EP2017/072733 2016-09-29 2017-09-11 Ensemble et procédé de maintenance de disjoncteurs haute tension WO2018059919A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016218836.4A DE102016218836A1 (de) 2016-09-29 2016-09-29 Anordnung und Verfahren zur Wartung von Hochspannungsschaltern
DE102016218836.4 2016-09-29

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Publication Number Publication Date
WO2018059919A1 true WO2018059919A1 (fr) 2018-04-05

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WO (1) WO2018059919A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111711112B (zh) * 2020-07-23 2022-02-22 国网河南省电力公司南阳供电公司 一种隔离开关检修作业平台

Citations (4)

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DE273231C (fr) *
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DE2016434A1 (de) * 1970-04-07 1971-10-28 Licentia Gmbh Transport- und Montageeinrichtung
JPS5934417U (ja) * 1982-08-27 1984-03-03 日新電機株式会社 多雪地域用屋外電気装置

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Publication number Priority date Publication date Assignee Title
DE1197153B (de) 1958-07-03 1965-07-22 Licentia Gmbh Innenraumschaltanlage fuer sehr hohe Spannungen
IT1298973B1 (it) 1998-03-30 2000-02-07 Abb Adda S P A Montante per linee elettriche ad alta tensione
CN103427342A (zh) 2013-07-31 2013-12-04 江苏智临电气科技股份有限公司 一种超高压及特高压变变电站
CN105006758B (zh) 2014-04-21 2017-05-10 黄荣光 一种隔离开关检修工作平台的制作工艺

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE273231C (fr) *
DE739328C (de) * 1940-03-07 1943-09-20 Siemens Ag Anordnung von Laufgaengen bei Freiluftschaltanlagen
DE2016434A1 (de) * 1970-04-07 1971-10-28 Licentia Gmbh Transport- und Montageeinrichtung
JPS5934417U (ja) * 1982-08-27 1984-03-03 日新電機株式会社 多雪地域用屋外電気装置

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