WO2010111808A1 - Traversée pour connecter un appareillage de commutation isolé au gaz à un appareillage de commutation isolé par air - Google Patents

Traversée pour connecter un appareillage de commutation isolé au gaz à un appareillage de commutation isolé par air Download PDF

Info

Publication number
WO2010111808A1
WO2010111808A1 PCT/CN2009/000367 CN2009000367W WO2010111808A1 WO 2010111808 A1 WO2010111808 A1 WO 2010111808A1 CN 2009000367 W CN2009000367 W CN 2009000367W WO 2010111808 A1 WO2010111808 A1 WO 2010111808A1
Authority
WO
WIPO (PCT)
Prior art keywords
busbar
bushing
insulating body
electrically insulating
hollow
Prior art date
Application number
PCT/CN2009/000367
Other languages
English (en)
Inventor
Jianbo Xie
Xianbo Deng
Gunn-Kristin Sonsteby
Original Assignee
Abb Technology Ltd.
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 Abb Technology Ltd. filed Critical Abb Technology Ltd.
Priority to EP09842465.8A priority Critical patent/EP2415133A4/fr
Priority to PCT/CN2009/000367 priority patent/WO2010111808A1/fr
Priority to CN200980159208.5A priority patent/CN102388514B/zh
Publication of WO2010111808A1 publication Critical patent/WO2010111808A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/021—Use of solid insulating compounds resistant to the contacting fluid dielectrics and their decomposition products, e.g. to SF6
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/003—Earthing switches

Definitions

  • This invention relates to the field of power products, and more particularly to connection device between Gas Insulated Switchgear and Air Insulated Switchgear.
  • GIS Gas Insulated Switchgear
  • EP1160945A1 discloses a gas-insulated switchgear comprises cable bushing.
  • This kind of cable bushing is widely used as connection device in switchgears.
  • Fig.iA to Fig.1C shows the connection device. It contains: feeder bushing 3, cable 1 and cable termination 2.
  • the feeder bushing 3 is embedded in the side plate of GIS with one end in GIS and the other in AIS.
  • the feeder bushing is pressurized with the GIS side plate by seal ring.
  • Fig.1C shows the connection device with the side in AIS seal connected with cable by cable termination 2.
  • the solid insulation of cable 1 and cable termination 2 can meet the insulation resistance requirement of AIS.
  • connection device described above is widely used in some regions, such as Europe, but it has some disadvantages: 1) It needs more space in AIS for using cable connecting, because cable bending radius is too long. In general, the bending radius is about ten to fifteen times of the cable diameter, which makes the size of switchgear very big. As the cable needs to be bended, it takes up too much space. Therefore, this connection device can't meet the market demand in some regions.
  • connection device it does not use cable to connect, so the size of AIS can be reduced.
  • a bushing for connecting GIS with AIS comprises busbar and shield; the busbar and shield are embedded in an electrically insulating body; the GIS-side of the electrically insulating body is conical and AlS-side of electrically insulating body is hollow; the electrically insulating body further comprises an assembling flange which is between said conical side and said hollow side; on said hollow side, a number of sheds are evenly distributed on the exterior.
  • the hollow side of the insulating body encloses a cavity adapted to accommodate an insulating busbar for connecting the busbar to AIS, wherein the diameter of the cavity is decreasing towards the busbar.
  • the electrically insulating body is made of epoxy resin.
  • the shield is like a tube and at one point of the circumference, there is a column conductor as a joint, said joint is for earthing; said shield surrounding busbar and embedded in assembling flange.
  • a fixing profile made of insulated material and used for fixing an insulated busbar connected to the busbar, can be attached to the end of the hollow side. And there are two inset nuts on end of the hollow side to tightly fix the fixing profile by screws.
  • the busbar is circular with a screw on both ends for connecting to the insulated busbar or electrical devices. And the busbar further connects a tulip contact.
  • Fig. 1Ato Fig. 1C shows the connection device or the prior art; in which Fig. 1A shows the bushing, Fig. 1 B shows the cable and the cable termination, Fig. 1C shows the assembling of the prior connection device;
  • Fig. 2Ato Fig.2C shows the structure of the bushing of present invention, in which, Fig.2A shows the appearance and structure of the bushing; Fig. 2B is a section view of the bushing; Fig. 2C shows the structure of shield; Fig. 2D is a side view of the bushing with inset nuts on the end;
  • Fig. 3Ato Fig. 3E shows the bushing and other connection components, in which, Fig. 3A shows the structure of fixing profile; Fig. 3B shows the insulated busbar being fixed on the right end of the bushing by fixing profile; Fig. 3C shows the bushing connected to the insulated busbar; Fig. 3D is a magnifying view of the tulip contact; Fig. 3E shows the structure of insulated busbar;
  • Fig. 4A to Fig. 4B shows the bushing connected GIS with AIS; the bushing further connected with a tulip contact according to an embodiment of the invention; in which, Fig. 4A shows the bushing after assembling; Fig. 4B is a section view of the bushing after assembling; Fig. 4C is GIS side view of the bushing;
  • Fig. 5Ato Fig. 5B shows the simulation results.
  • Fig.2A shows the appearance and the structure of the bushing
  • Fig. 2B is a section view of the bushing according to a preferred embodiment.
  • busbar 61 and shield 62 the busbar 61 and shield 62 are embedded in an electrically insulating body 64 which is made of epoxy resin; the left side of electrically insulating body 64 is conical and connected to GIS.
  • the right side of electrically insulating body 64 is hollow and connected to AIS.
  • the electrically insulating body 64 further comprises an assembling flange 643 between conical side 641 and hollow side 642. There are sheds 644 evenly distributed on the exterior of the hollow side 642.
  • the hollow side of the insulating body encloses a cavity adapted to accommodate an insulating busbar 8 for connecting the busbar 61 to AIS, wherein a diameter of the cavity is decreasing towards the busbar 61.
  • the angle formed by the axis from the center of the assembling flange 643 to the end of conical side 641 and axis from the center of the assembling flange 643 to the end of the hollow side 642 is varied according to different kinds of AIS. According to the AIS in an embodiment of the present invention, the angle is larger than 120° and less than 180°, and preferably equal to 170°.
  • Fig. 2C shows the structure of electromagnetic shield.
  • the electromagnetic shield 62 is like a tube; and at one point of the circumference, there is a column conductor as a joint which is for earthing.
  • the shield 62 surrounds the busbar 61 , embedded in assembling flange 643 and coaxial with busbar 61 at the location of assembling flange 643. It is used for balancing electric strength and as the indicator for the presence of high voltage.
  • Fig. 2D is a side view of the bushing with inset nuts on the end; on the right end of the bushing 6 are two inset nuts 63 used to tightly fix the fixing profile 65 by screws 66.
  • Fig. 3A shows the structure of fixing profile 65; the fixing profile 65, made of insulated material, is molded and used for fixing insulated busbar 8.
  • Fig. 3B shows the insulated busbar being fixed on the right end of the bushing by fixing profile.
  • the busbar 61 , shield 62 and inset nuts 63 are all molded in the epoxy resin.
  • Fig. 3C shows the bushing connected to the insulated busbar.
  • the busbar 61 connects a tulip contact 7.
  • the port of the tulip contact 7 is made of six petal-shaped plates with a rounded spring 71 wrapped.
  • FIG. 3E shows the structure of insulated busbar 8
  • Insulated Busbar 8 is composed of conductive copper 81 and insulated outside layer 82. Said conductive copper 81 is tightly wrapped by said insulated outside layer 82, with two joint ends exposed.
  • Fig.4A to Fig.4B shows the bushing connected GIS with AIS.
  • the left side of the bushing 6 is connected to GIS, and pressurize with the side plate by seal ring.
  • Fig. 4C is GIS side view of the bushing; the seal slot 649 can be seen from Fig. 4C.
  • the right side of the bushing 6 is connected to AIS.
  • the port of tulip contact 7 is connected to busbar 61 by bolt in the hollow of the bushing 6.
  • Reliable connection between tulip connect 7 and insulated busbar 8 can be achieved relying on the force of the spring 71.
  • the insulated busbar 8 is fixed on the bushing 6 by the insert nuts 66 and insulated fixing profile 65.
  • the bushing can withstand 50 kA peak value of short-circuit making current.
  • the creeping distance in AIS is more than 800 mm. This distance is enough for creeping insulation.
  • the rated current is 630 A.
  • Fig.5A to Fig. ⁇ B shows the simulation results done by professional software Pro/Engineer and Toolbox (Electric strength analysis software developed by ABB).
  • Pro/Engineer and Toolbox Electrical strength analysis software developed by ABB.
  • the bolt and insert nuts are simplified, and the bushing and its surrounding assembling plate are analyzed.

Landscapes

  • Gas-Insulated Switchgears (AREA)

Abstract

L'invention porte sur une traversée pour connecter un appareillage de commutation isolé au gaz (GIS) à un appareillage de commutation isolé par air (AIS). La traversée comprend une barre omnibus (61) et un bouclier (62). La barre omnibus et le bouclier sont incorporés dans un corps électriquement isolant (64). Le côté GIS du corps électriquement isolant est conique et le côté AIS du corps électriquement isolant est creux. Le corps électriquement isolant comprend une bride d'assemblage (643) entre le côté conique (641) et le côté creux (642). Sur le côté creux, un certain nombre de jupes (644) sont uniformément distribuées sur l'extérieur. L'angle formé par l'axe allant du centre de la bride d'assemblage à l'extrémité du côté conique et l'axe allant du centre de la bride d'assemblage à l'extrémité du côté creux est inférieur à 180°.
PCT/CN2009/000367 2009-04-03 2009-04-03 Traversée pour connecter un appareillage de commutation isolé au gaz à un appareillage de commutation isolé par air WO2010111808A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP09842465.8A EP2415133A4 (fr) 2009-04-03 2009-04-03 Traversée pour connecter un appareillage de commutation isolé au gaz à un appareillage de commutation isolé par air
PCT/CN2009/000367 WO2010111808A1 (fr) 2009-04-03 2009-04-03 Traversée pour connecter un appareillage de commutation isolé au gaz à un appareillage de commutation isolé par air
CN200980159208.5A CN102388514B (zh) 2009-04-03 2009-04-03 连接气体绝缘开关柜与空气绝缘开关柜的套管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2009/000367 WO2010111808A1 (fr) 2009-04-03 2009-04-03 Traversée pour connecter un appareillage de commutation isolé au gaz à un appareillage de commutation isolé par air

Publications (1)

Publication Number Publication Date
WO2010111808A1 true WO2010111808A1 (fr) 2010-10-07

Family

ID=42827454

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2009/000367 WO2010111808A1 (fr) 2009-04-03 2009-04-03 Traversée pour connecter un appareillage de commutation isolé au gaz à un appareillage de commutation isolé par air

Country Status (3)

Country Link
EP (1) EP2415133A4 (fr)
CN (1) CN102388514B (fr)
WO (1) WO2010111808A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012080522A1 (fr) 2010-12-14 2012-06-21 Ormazabal Y Cia, S.L.U. Dispositif de connexion entre des appareils électriques haute tension
CN102761074A (zh) * 2012-07-25 2012-10-31 湖北网安科技有限公司 防爆型绝缘气体环网开关柜
US10193272B2 (en) 2014-12-01 2019-01-29 Ormazabal Y Cia, S.L.U. Adapter for electrical connection bushings
WO2022069202A1 (fr) * 2020-09-30 2022-04-07 Siemens Energy Global GmbH & Co. KG Dispositif haute tension et procédé pour augmenter la résistance diélectrique dans le dispositif haute tension

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102882150A (zh) * 2012-09-07 2013-01-16 北海银河开关设备有限公司 固体绝缘套管
CN105655065B (zh) * 2016-03-12 2017-08-25 江苏士林电气设备有限公司 一种预制式高压全绝缘管型母线户内终端主体结构

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5365560U (fr) 1976-11-05 1978-06-02
EP1160945A1 (fr) 2000-06-02 2001-12-05 Mitsubishi Denki Kabushiki Kaisha Installation de commutation à isolation gazeuse
CN1650494A (zh) * 2002-10-31 2005-08-03 三菱电机株式会社 气体绝缘开关装置
CN201149978Y (zh) * 2007-12-17 2008-11-12 新泰市齐阳经贸有限公司 电线电缆专用套管

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5116612B1 (fr) * 1970-10-05 1976-05-26
JPS5752705U (fr) * 1980-09-09 1982-03-26
DE19547120A1 (de) * 1995-12-16 1997-06-19 Sachsenwerk Ag Elektrode
DE102004006045A1 (de) * 2004-01-30 2005-08-25 Siemens Ag Druckgasisolierter Trennschalterbaustein und Durchführungsanordnung
DE502004001261D1 (de) * 2004-02-27 2006-10-05 Abb Technology Ag Isoliertes Erderschaltgerät für gasisolierte Schaltanlagen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5365560U (fr) 1976-11-05 1978-06-02
EP1160945A1 (fr) 2000-06-02 2001-12-05 Mitsubishi Denki Kabushiki Kaisha Installation de commutation à isolation gazeuse
CN1650494A (zh) * 2002-10-31 2005-08-03 三菱电机株式会社 气体绝缘开关装置
CN201149978Y (zh) * 2007-12-17 2008-11-12 新泰市齐阳经贸有限公司 电线电缆专用套管

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2415133A4 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012080522A1 (fr) 2010-12-14 2012-06-21 Ormazabal Y Cia, S.L.U. Dispositif de connexion entre des appareils électriques haute tension
CN102761074A (zh) * 2012-07-25 2012-10-31 湖北网安科技有限公司 防爆型绝缘气体环网开关柜
US10193272B2 (en) 2014-12-01 2019-01-29 Ormazabal Y Cia, S.L.U. Adapter for electrical connection bushings
WO2022069202A1 (fr) * 2020-09-30 2022-04-07 Siemens Energy Global GmbH & Co. KG Dispositif haute tension et procédé pour augmenter la résistance diélectrique dans le dispositif haute tension

Also Published As

Publication number Publication date
EP2415133A4 (fr) 2015-03-25
CN102388514A (zh) 2012-03-21
CN102388514B (zh) 2014-08-13
EP2415133A1 (fr) 2012-02-08

Similar Documents

Publication Publication Date Title
US8455763B2 (en) Plug-in bushing and high-voltage installation having a bushing such as this
AU4908200A (en) High voltage lead-through
WO2010111808A1 (fr) Traversée pour connecter un appareillage de commutation isolé au gaz à un appareillage de commutation isolé par air
EP1010226B1 (fr) Terminaison de cable
CN101409175B (zh) 组合式高压负荷开关及其高压开关设备
TW200941529A (en) Vacuum switchgear
KR100406891B1 (ko) 절연가스 봉입 폐쇄 배전반간의 모선접속장치
WO1997009762A1 (fr) Terminaison pour cable
CN115280617A (zh) 气体绝缘开闭装置
EP2819143A1 (fr) Disjoncteur à vide de type réservoir
KR20150089377A (ko) 개폐기의 내전압 검출장치
EP2654133B1 (fr) Dispositif de connexion entre des appareils électriques haute tension
CN106054044B (zh) 充气柜用绝缘试验装置
CN202275675U (zh) 一种用于电力系统的罐式避雷器
JP5555365B2 (ja) プラグインブッシング及び耐電圧試験方法
KR101650306B1 (ko) 계기용 변압 변류기용 부싱
WO2004049530A1 (fr) Connecteur d'appareillage de commutation
US9537251B2 (en) Securing device for GIS
CN103001167A (zh) 一种用于开关设备与用户端连接的固体绝缘母线连接结构
CN116235271A (zh) 高压设备和用于提高高压设备中的介电强度的方法
CN201331980Y (zh) 适合于电缆线路的绝缘支柱
KR20090080643A (ko) 지중 배전 선로용 폴리머 절연 다회로 개폐기
CN1881719B (zh) 用于导电连接中压设备配电板的装置
WO2022201493A1 (fr) Bus isolé solide et appareillage de commutation à isolation gazeuse équipé de celui-ci
EP1705767A1 (fr) Commutateur combiné pour le sectionnement et la mise à la terre

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200980159208.5

Country of ref document: CN

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

Ref document number: 09842465

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 7960/CHENP/2011

Country of ref document: IN

REEP Request for entry into the european phase

Ref document number: 2009842465

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2009842465

Country of ref document: EP