WO2023280413A1 - Ensemble isolateur, système à isolation gazeuse et procédé d'assemblage de système à isolation gazeuse - Google Patents

Ensemble isolateur, système à isolation gazeuse et procédé d'assemblage de système à isolation gazeuse Download PDF

Info

Publication number
WO2023280413A1
WO2023280413A1 PCT/EP2021/069071 EP2021069071W WO2023280413A1 WO 2023280413 A1 WO2023280413 A1 WO 2023280413A1 EP 2021069071 W EP2021069071 W EP 2021069071W WO 2023280413 A1 WO2023280413 A1 WO 2023280413A1
Authority
WO
WIPO (PCT)
Prior art keywords
adapter
enclosure
gas
connecting plate
insulated system
Prior art date
Application number
PCT/EP2021/069071
Other languages
English (en)
Inventor
Luopeng LIU
Xiuming XU
Dajin CHEN
Wenyong Wang
Longguang CHEN
Jieshen NONG
Tiansong CHEN
Original Assignee
Hitachi Energy Switzerland 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 Hitachi Energy Switzerland Ag filed Critical Hitachi Energy Switzerland Ag
Priority to PCT/EP2021/069071 priority Critical patent/WO2023280413A1/fr
Priority to CN202221766328.0U priority patent/CN218384644U/zh
Publication of WO2023280413A1 publication Critical patent/WO2023280413A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G5/00—Installations of bus-bars
    • H02G5/06—Totally-enclosed installations, e.g. in metal casings
    • H02G5/066—Devices for maintaining distance between conductor and enclosure
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G5/00—Installations of bus-bars
    • H02G5/06—Totally-enclosed installations, e.g. in metal casings
    • H02G5/063—Totally-enclosed installations, e.g. in metal casings filled with oil or gas
    • H02G5/065—Particle traps

Definitions

  • the present invention relates to an insulator assembly for a gas-insulated system, a gas-insulated system, and a method for assembling a gas-insulated system.
  • a gas-insulated system typically includes an enclosure and electrical devices/components.
  • the enclosure may define a closed space filled with insulating gas such as SFe.
  • the electrical devices/components such as circuit breaker, disconnector, and conductive tube may be accommodated in the closed space for safe electrical operations.
  • Common gas-insulated systems include, for example, gas-insulated switchgear (GIS) and gas-insulated transmission line (GIL).
  • a gas-insulated transmission line generally includes a hollow cylindrical enclosure, a conductor tube disposed at the center of the enclosure, and an insulator electrically insulating the conductor tube from the enclosure.
  • the insulator is disposed inside the enclosure and supports the conductor tube.
  • free ends of the insulator may be directly welded to the enclosure, or may be threadedly connected to the enclosure by connecting plates substantially extending in a circumferential direction of the enclosure and bolts.
  • welding spatter may contaminate, for example, the insulator, the conductor tube, and an inner surface of the enclosure.
  • Complex measures are needed for avoiding or eliminating such contaminations.
  • manufacturing tolerances especially dimensional tolerances and/or shape tolerances of the enclosure, such as roundness tolerances of the enclosure
  • a gap between the connecting plate and the enclosure is not constant.
  • the connecting plate and the enclosure might be scratched during the assembly process, and the bolt holes on the connecting plate and the enclosure might be difficult to align. If the gap is too large, the connecting plate will be forced to deform under a tightening force for the bolt, until the connecting plate contacts the enclosure, which might exert force on the free end of the insulator connected to the connecting plate, and even cause the insulator to be mechanically damaged and deteriorated in insulation performance.
  • the present disclosure aims to provide an insulator assembly for a gas-insulated system, a gas-insulated system, and a method for assembling a gas-insulated system that overcome the defects of the prior art.
  • a first aspect of the present disclosure provides an insulator assembly for a gas-insulated system comprising an insulator comprising a central portion extending along a central axis and a leg extending from the central portion in a radial direction perpendicular to the central axis; a connecting plate provided at an end of the leg; and an adapter movably mounted to the connecting plate such that the adapter is capable of moving relative to the connecting plate from a preparing position to a fastening position in a direction away from the central portion, the adapter comprising a fastening hole for being fastened to an enclosure of the gas-insulated system by a threaded fastener in the fastening position.
  • the connecting plate can be fastened to the enclosure by a movable adapter. This allows the connecting plate to be separated from the enclosure, thus avoiding the friction between the connecting plate and the enclosure and in turn avoiding scratches on the connecting plate and the enclosure and undesirable particles. Also, it would be easier to adjust the insulator assembly inside the enclosure to align the fastening holes of the adapter and the enclosure.
  • the adapter can be moved to a fastening position in a direction away from the central portion, which allows the adapter to be in contact with the enclosure in the fastening position.
  • the connecting plate would not be subjected to the tightening force of the threaded fastener, preventing the connecting plate from being deformed during fastening.
  • the adapter comprises an adapter body defining the fastening hole; the connecting plate comprises a mounting hole extending therethrough; and the adapter body is provided in the mounting hole and threadedly engaged with the mounting hole to allow the adapter to be moved between the preparing position and the fastening position.
  • the adapter body comprises a contacting end for contacting the enclosure in the fastening position;
  • the connecting plate comprises a first side surface facing the central portion and a second side surface opposite to the first side surface; and the contacting end of the adapter extends beyond the second side surface when the adapter is in the fastening position.
  • the adapter further comprises a shielding cover connected with the adapter body at an end of the adapter body, and the shielding cover extends around the adapter body and comprises a curved surface.
  • the connecting plate further comprises a connecting hole for connecting a particle trapping member of the gas-insulated system to the connecting plate, and the shielding cover covers the connection hole to avoid point discharge at the joint between the connecting plate and the particle trapping member.
  • the connecting plate comprises a plate body and a mounting boss extending substantially perpendicular to the plate body.
  • the mounting boss defines the mounting hole.
  • the connecting plate comprises a middle section and a side section adjoining the middle section.
  • the middle section is connected with the end of the leg, and the mounting hole is provided at the side section.
  • the connecting plate comprises two side sections on opposite sides of the middle section, and each side section is provided with a mounting hole, so as to stably fasten the insulator to the enclosure.
  • a metallic insert is embedded in the end of the leg, and the connecting plate is connected with the metallic insert.
  • a second aspect of the present disclosure provides a gas-insulated system comprising an enclosure and an insulator assembly for a gas-insulated system according to the first aspect of the present disclosure.
  • the insulator assembly is provided inside the enclosure; a connecting plate of the insulator assembly is separated from the enclosure; and an adapter of the insulator assembly is separated from the enclosure in a preparing position, and is in contact with the enclosure in a fastening position where the adapter is fastened to the enclosure by a threaded fastener.
  • the enclosure comprises a fastening protrusion
  • the adapter is fastened to the fastening protrusion by the threaded fastener.
  • the enclosure has a cylindrical shape, and the connecting plate extends substantially in a circumferential direction of the enclosure.
  • a third aspect of the present disclosure provides a method for assembling a gas-insulated system comprising: providing an enclosure and providing an insulator assembly.
  • the insulator assembly comprises: an insulator comprising a central portion extending along a central axis and a leg extending from the central portion in a radial direction perpendicular to the central axis; a connecting plate provided at an end of the leg; and an adapter movably mounted to the connecting plate such that the adapter is capable of moving relative to the connecting plate from a preparing position to a fastening position in a direction away from the central portion, the adapter comprising a first fastening hole for being fastened to the enclosure by a threaded fastener in the fastening position.
  • the method further comprising: moving the adapter to the preparing position; placing the insulator assembly in position inside the enclosure; moving the adapter to the fastening position; and connecting the adapter to the enclosure by the threaded fastener.
  • the connecting plate is separated from the enclosure, and the adapter extends beyond the connecting plate to be in contact with the enclosure.
  • the enclosure comprises a second fastening hole
  • the method further comprises aligning the first fastening hole with the second fastening hole to place the insulator assembly in position inside the enclosure.
  • the insulator assembly for a gas-insulated system, the gas-insulated system, and the method for assembling a gas-insulated system according to the present disclosure can not only facilitate assembly and avoid scratches on the connecting plate and the enclosure, but also prevent the connecting plate from being deformed during fastening process and in turn prevent the connecting plate from pulling the leg of the insulator connected with the connecting plate and causing mechanical damage to the insulator.
  • All references to “a/an/the element, apparatus, component, means, step, etc.” are to be interpreted openly as referring to at least one instance of the element, apparatus, component, means, step, etc., unless explicitly stated otherwise.
  • FIG. 1 is a partial perspective view of a gas-insulated system according to an embodiment of the present disclosure
  • FIG. 2 is a sectional view of the gas-insulated system in FIG. 1;
  • FIG. 3 A is a partial sectional view of the gas-insulated system in FIG. 1, showing an adapter of the gas-insulated system in a preparing position;
  • FIG. 3B is another partial sectional view of the gas-insulated system in FIG. 1, showing the adapter of the gas-insulated system in a fastening position;
  • FIG. 4 is another sectional view of the gas-insulated system in FIG. 1;
  • FIG. 5 is a partial perspective view of the gas-insulated system in FIG. 1 with an enclosure of the gas-insulated system omitted;
  • FIG. 6 is a perspective view of an insulator of the gas-insulated system in FIG. 1;
  • FIG. 7A is a perspective view of a connecting plate of the gas-insulated system in FIG. i;
  • FIG. 7B is a front view of the connecting plate in FIG. 7A;
  • FIG. 8 A is a perspective view of the adapter of the gas-insulated system in FIG. 1; and [0036] FIG. 8B is a sectional view of the adapter in FIG. 8A.
  • a gas-insulated system refers to a system/an apparatus that includes a metal enclosure defining closed space(s) filled with insulating gas and electrical devices/components accommodated in the metal enclosure.
  • a GIL will be taken as an example to discuss the insulator assembly for a gas-insulated system, the gas-insulated system, and the method for assembling a gas-insulated system according to the present disclosure.
  • the gas-insulated system according to the present disclosure may be in form of other gas-insulated systems such as a GIS, and the insulator assembly according to the present disclosure may be applied to other gas-insulated systems such as a GIS to support a busbar thereof.
  • the gas-insulated system 100 mainly includes an enclosure 102, a conductive tube 104 accommodated in the enclosure 102 for carrying current, and an insulator assembly 106 for supporting the conductive tube 104 and insulating it from the enclosure 102.
  • the enclosure 102 and the conductive tube 104 are long, for example, having a length over 10 meters, such as 18 meters.
  • one or more insulator assembly 106 is needed to support the conductive tube 104 inside the enclosure 102.
  • the enclosure 102 may have a cylindrical shape.
  • the conductive tube 104 may be arranged inside the enclosure 102 and coaxial with the enclosure 102 with respect to a central axis A.
  • the enclosure 102 is at a ground electrical potential, and the conductive tube 104 is at a relatively high electrical potential, such as in a range of 100 kV-1200 kV, for example, 550 kV.
  • the enclosure 102 and the conductive tube 104 may be made of metallic materials, such as aluminum, aluminum alloy and copper.
  • the insulator assembly 106 is arranged between the enclosure 102 and the conductive tube 104 to support the conductive tube 104 inside the enclosure 102.
  • the insulator assembly 106 includes an insulator 108, connecting plates 110 and adapters 112.
  • the insulator 108 has a central portion 114 extending along the center axis A and legs 116 extending from the central portion 114 in a radial direction perpendicular to the center axis A.
  • the central portion 114 has an annular shape.
  • the central portion 114 may be integrated with a metallic sleeve 122.
  • the metallic sleeve 122 is configured for accommodating the conductive tube 104, and is connected to the conductive tube 104.
  • the insulator 108 has three legs 116.
  • the legs 116 may be arranged at an angle of 120° between two adjacent legs 116.
  • Ametallic insert 118 may be embedded in the end 120 of each leg 116 for connecting the insulator 108 to the enclosure 102 by means of a corresponding connecting plate 110. It may be conceived that the insulator 108 may have any suitable number of legs 116, for example, two legs 116.
  • the central portion 114 and the legs 116 may be made of insulating materials, such as epoxy resin.
  • the metallic insert 118 and the metallic sleeve 122 may be made of metallic materials such as aluminum and aluminum alloy.
  • the connecting plate 110 is provided at the end 120 of the leg 116 and is separated from the enclosure 102.
  • the connecting plate 110 is connected with the metallic insert 118 by first connectors 126.
  • the connecting plate 110 may extend substantially in a circumferential direction of the enclosure 102.
  • the connecting plate 110 may include a middle section 128 and side sections 130 adjoining the middle section 128.
  • the middle section 128 may be provided with first connecting holes 132 for connecting the connecting plate 110 with the metallic insert 118 by the first connectors 126.
  • the middle section 128 has four first connecting holes 132.
  • the side section 130 may be provided with a mounting hole 134 extending therethrough for mounting the adapter 112, and the side section 130 may be fastened to the enclosure 102 by means of the adapter 112.
  • the side section 130 may also be provided with second connecting holes 136 for connecting a particle trapping member 138 to the connecting plate 110 by second connectors 137.
  • second connecting holes 136 for connecting a particle trapping member 138 to the connecting plate 110 by second connectors 137.
  • three particle trapping members 138 and three connecting plates 110 are alternately connected and form a circular shape.
  • the side section 130 has one mounting hole 134 and three second connecting holes 136 next to the mounting hole 134.
  • the connecting plate 110 may have any suitable number of first connecting holes 132, mounting holes 134 and second connecting holes 136.
  • the first connectors 126 and second connectors 137 may be in form of bolts or screws.
  • the connecting plate 110 includes two side sections 130 on opposite sides of the middle section 128, and each side section 130 is provided with one mounting hole 134.
  • the connecting plate 110 may be fastened to the enclosure 102 by means of two adapters 112.
  • the connecting plate 110 may have any suitable number of side sections 130, for example four side sections 130 arranged around the middle section 128.
  • the two side sections 130 and the middle sections 128 each may be a substantially flat plate, and the middle section 128 may form an obtuse angle with each side section 130, such that the connecting plate 110 can substantially follow the inner contour of the enclosure 102. It may be conceived that the middle section 128 and side sections 130 may each have an arc shape to follow the inner contour of the enclosure 102
  • the side section 130 may include a plate body 140 and a mounting boss 142 extending substantially perpendicular to the plate body 140.
  • the side section 130 may include a first side surface 144 facing the central portion 114 of the insulator 108 and a second side surface 146 opposite to the first side surface 144.
  • the second side surface 146 may be a plane surface.
  • the mounting boss 142 may extend from the plate body 140 towards the central portion 114 in the radial direction perpendicular to the center axis A.
  • the mounting boss 142 may define the mounting hole 134 for mounting the adapter 112.
  • the adapter 112 is movably mounted to the connecting plate 110 such that the adapter 112 is capable of moving relative to the connecting plate 110 from a preparing position (see FIG. 3 A) to a fastening position (see FIG. 3B) in a direction away from the central portion 114.
  • the adapter 112 may be made of metallic materials, such as steel.
  • the adapter 112 may include an adapter body 148.
  • the adapter body 148 may be provided in the mounting hole 134 of the connecting plate 110 and threadedly engaged with the mounting hole 134 to allow the adapter body 148 to be moved between the preparing position and the fastening position.
  • the adapter body 148 may have an external thread 150 on its outer circumferential surface
  • the mounting hole 134 may have a corresponding inner thread 152 on its inner circumferential surface.
  • the adapter body 148 may define a first fastening hole 154 for fastening the adapter 112 in the fastening position to the enclosure 102 by a threaded fastener 156.
  • the enclosure 102 may include a second fastening hole 160 with an inner thread 161.
  • the threaded fastener 156 may be in form of bolt or screw.
  • the enclosure 102 may include fastening protrusions 158 which may define the second fastening holes 160.
  • the fastening protrusions 158 may be integrated with the enclosure 102 by welding.
  • the enclosure 102 may have three pairs of fastening protrusions 158 with each pair of fastening protrusions 158 corresponding to two adapters 112 mounted to one connecting plate 110.
  • the threaded fastener 156 may be inserted through the first fastening hole 154 and be screwed into the second fastening hole 160, fastening the adapter 112 to the enclosure 102 and thus fastening the connecting plate 110 and the insulator 108 to the enclosure 102.
  • the adapter body 148 may include a contacting end 162 for contacting the enclosure 102 in the fastening position. As shown in FIG. 3 A, when the adapter 112 is in the preparing position, the contacting end 162 of the adapter 112 does not extend beyond the second side surface 146 of the connecting plate 110. For example, the contacting end 162 may be flushed with the second side surface 146, or be recessed relative to the second side surface 146. As shown in FIG. 3B, when the adapter 112 is in the fastening position, the contacting end 162 of the adapter 112 extends beyond the second side surface 146 to be in contact with the fastening protrusion 158 of the enclosure 102.
  • the adapter 112 may further include a shielding cover 164 connected with the adapter body 148.
  • the shielding cover 164 may be located at a side of the connecting plate 110 closer to the central portion 114 of the insulator 108.
  • the shielding cover 164 may be provided around the adapter body 148, and cover the second connecting holes 136 and the second connectors 137 in the second connecting holes 136.
  • the shielding cover 164 may include a curved surface 166 which is shaped to prevent charge accumulation at the ends of the threaded fastener 156 and the second connectors 137, thus avoiding point discharge at the joints between the connecting plate 110 and the enclosure 102 and between the connecting plate 110 and the particle trapping member 138.
  • the shielding cover 164 may be integrated with the adapter body 148.
  • the shielding cover 164 may be located at end of the adapter body 148 opposite to the contacting end 162 and extend around the adapter body 148, such that the adapter 112 generally has an umbrella shape. And when the adapter 112 is mounted to the connecting plate 110, the shielding cover 164 would not interfere with the connecting plate 110. It may be conceived that the shielding cover 164 may be a separate component for avoiding point discharge.
  • FIGS. 1 to 8B The method for assembling a gas-insulated system according to an embodiment of the present disclosure will be described referring to FIGS. 1 to 8B.
  • the connecting plates 110 may be connected to the metallic inserts 118 of the insulator 108 by the first connectors 126, and the particle trapping members 138 may be connected to the connecting plates 110 by second connectors 137. Then, the adapters 112 may be mounted to connecting plates 110 and moved to the preparing position.
  • the conductive tube 104 may be fixed to the metallic sleeve 122 of the insulator 108. Then, the conductive tube 104, the insulator assembly 106, and the particle trapping members 138, which have been assembled together, may be moved into the enclosure 102 along the central axis A, and be adjusted such that the first fastening holes 154 of the adapters 112 are aligned with the second fastening holes 160 of the enclosure 102.
  • both the connecting plates 110 and the adapters 112 are separated with the enclosure 102 (specifically, the fastening protrusions 158) and thus would not interfere with the enclosure 102, since the connecting plate 110 is separated from the enclosure 102 and the adapter 112 does not extend beyond the connecting plate 110 in the preparing position as shown in FIG. 3 A. This can avoid scratches on the connecting plate 110 and the enclosure 102, and make it easy to align the first fastening hole 154 with the second fastening hole 160.
  • the adapters 112 may be moved to the fastening position to be in contact with the fastening protrusions 158 of the enclosure 102, and then be fastened to the fastening protrusions 158 by the threaded fasteners 156. Since the adapters 112 are in contact with the fastening protrusions 158 of the enclosure 102 in their fastening positions, during the fastening process, the adapters 112 would not be displaced by the fastening force of the threaded fasteners 156, and thus the connection plates 110 engaged with the adapters 112 would not be forced to displace/deform. This can prevent the connecting plates 110 from pulling the metallic inserts 118 connected with the connecting plates 110 and exerting force on the metallic inserts 118, and thus can avoid mechanical damage to the insulator 108 during the fastening process.

Landscapes

  • Installation Of Bus-Bars (AREA)

Abstract

La présente divulgation concerne un ensemble isolateur destiné à un système à isolation gazeuse, un système à isolation gazeuse et un procédé d'assemblage d'un système à isolation gazeuse. L'ensemble isolateur comprend : un isolateur comportant une partie centrale s'étendant le long d'un axe central, et une patte s'étendant à partir de la partie centrale dans une direction radiale perpendiculaire à l'axe central ; une plaque de liaison disposée au niveau d'une extrémité de la patte ; et un adaptateur monté mobile sur la plaque de liaison de sorte que l'adaptateur soit mobile par rapport à la plaque de liaison d'une position de préparation à une position de fixation dans une direction à l'opposée de la partie centrale. L'adaptateur comprend un trou de fixation permettant de fixer l'adaptateur, en position de fixation, à une enceinte du système à isolation gazeuse. L'ensemble isolateur non seulement peut faciliter l'assemblage et éviter des rayures sur la plaque de liaison et l'enceinte, mais peut également éviter des endommagements mécaniques de l'isolateur pendant l'assemblage.
PCT/EP2021/069071 2021-07-08 2021-07-08 Ensemble isolateur, système à isolation gazeuse et procédé d'assemblage de système à isolation gazeuse WO2023280413A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/EP2021/069071 WO2023280413A1 (fr) 2021-07-08 2021-07-08 Ensemble isolateur, système à isolation gazeuse et procédé d'assemblage de système à isolation gazeuse
CN202221766328.0U CN218384644U (zh) 2021-07-08 2022-07-08 用于气体绝缘系统的绝缘子组件及气体绝缘系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2021/069071 WO2023280413A1 (fr) 2021-07-08 2021-07-08 Ensemble isolateur, système à isolation gazeuse et procédé d'assemblage de système à isolation gazeuse

Publications (1)

Publication Number Publication Date
WO2023280413A1 true WO2023280413A1 (fr) 2023-01-12

Family

ID=76971897

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/069071 WO2023280413A1 (fr) 2021-07-08 2021-07-08 Ensemble isolateur, système à isolation gazeuse et procédé d'assemblage de système à isolation gazeuse

Country Status (2)

Country Link
CN (1) CN218384644U (fr)
WO (1) WO2023280413A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2959657A (en) * 1956-09-13 1960-11-08 Ite Circuit Breaker Ltd Disconnect switch for a high voltage bus structure
JPS5149485A (ja) * 1974-10-25 1976-04-28 Hitachi Ltd Mitsupeibosen
JPH1094152A (ja) * 1996-09-11 1998-04-10 Mitsubishi Electric Corp 三相一括形ガス絶縁母線
WO2020220206A1 (fr) * 2019-04-29 2020-11-05 Abb Power Grids Switzerland Ag Ensemble de support d'isolation et ligne de transmission à isolation gazeuse

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2959657A (en) * 1956-09-13 1960-11-08 Ite Circuit Breaker Ltd Disconnect switch for a high voltage bus structure
JPS5149485A (ja) * 1974-10-25 1976-04-28 Hitachi Ltd Mitsupeibosen
JPH1094152A (ja) * 1996-09-11 1998-04-10 Mitsubishi Electric Corp 三相一括形ガス絶縁母線
WO2020220206A1 (fr) * 2019-04-29 2020-11-05 Abb Power Grids Switzerland Ag Ensemble de support d'isolation et ligne de transmission à isolation gazeuse

Also Published As

Publication number Publication date
CN218384644U (zh) 2023-01-24

Similar Documents

Publication Publication Date Title
KR101693454B1 (ko) 모선 접속 장치 및 그것을 이용한 스위치 기어
US10347447B2 (en) Tank type vacuum circuit breaker
US20140124480A1 (en) Tank type vacuum circuit breaker
WO2012117506A1 (fr) Barre omnibus à isolation gazeuse
KR100988333B1 (ko) 상분리 버스 덕트 조인트 조립체
WO2012066614A1 (fr) Barre omnibus isolée au gaz
WO2023280413A1 (fr) Ensemble isolateur, système à isolation gazeuse et procédé d'assemblage de système à isolation gazeuse
EP3726672A1 (fr) Appareil de connexion de barres omnibus, garniture de barres omnibus, et leur procédé de fabrication
US9537251B2 (en) Securing device for GIS
US5558524A (en) Cable connection for a metal-encapsulated, gas-insulated, high-voltage switching installation
CN110504092B (zh) 套管及其制造方法
CN216849502U (zh) 气体绝缘系统以及绝缘子组件
CN216214828U (zh) 导电连接装置及气体绝缘金属封闭式开关设备
JP7489433B2 (ja) ブッシング及びケーブル終端接続部
CN217720272U (zh) 用于气体绝缘金属封闭开关设备的母线装置
CN216451132U (zh) 一种母线导体及气体绝缘金属封闭开关设备及电力系统
RU213385U1 (ru) Блок демонтажа герметичного газонаполненного распределительного устройства
JP4062847B2 (ja) 固体絶縁母線
JPH07245853A (ja) ガス絶縁電気機器
US20230253768A1 (en) Flange design for high-voltage gas-insulated switchgear (gis), busbars and lines (gil)
CN210006976U (zh) 一种带有连杆结构的接线装置及输电设备
EP3703192A1 (fr) Adaptateur terminal pour traversée électrique, traversée électrique doté dudit adaptateur terminal et procédé de montage correspondant
EP4203212A1 (fr) Dispositif de commutation et son procédé d'assemblage
JP2002142340A (ja) ガス絶縁着脱母線装置
US20210376577A1 (en) Bus bar connecting device, switchgear, and method for connecting a bus bar connecting device

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21743158

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE