EP1995739A1 - Isolateur haute tension et élément de refroidissement doté de cet isolateur haute tension - Google Patents

Isolateur haute tension et élément de refroidissement doté de cet isolateur haute tension Download PDF

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Publication number
EP1995739A1
EP1995739A1 EP07108754A EP07108754A EP1995739A1 EP 1995739 A1 EP1995739 A1 EP 1995739A1 EP 07108754 A EP07108754 A EP 07108754A EP 07108754 A EP07108754 A EP 07108754A EP 1995739 A1 EP1995739 A1 EP 1995739A1
Authority
EP
European Patent Office
Prior art keywords
adhesive
support ring
metal fitting
joint
insulator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07108754A
Other languages
German (de)
English (en)
Other versions
EP1995739B1 (fr
Inventor
Jean-Claude Mauroux
Martin Lakner
Leopold Ritzer
Reto Weder
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.)
ABB Technology AG
Original Assignee
ABB Technology 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 ABB Technology AG filed Critical ABB Technology AG
Priority to AT07108754T priority Critical patent/ATE521070T1/de
Priority to EP07108754A priority patent/EP1995739B1/fr
Priority to US12/123,126 priority patent/US20080289857A1/en
Priority to CN2008100933003A priority patent/CN101312085B/zh
Priority to JP2008134958A priority patent/JP2009004372A/ja
Publication of EP1995739A1 publication Critical patent/EP1995739A1/fr
Application granted granted Critical
Publication of EP1995739B1 publication Critical patent/EP1995739B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
    • H01B19/04—Treating the surfaces, e.g. applying coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/34—Insulators containing liquid, e.g. oil
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/52—Cooling of switch parts
    • H01H2009/523—Cooling of switch parts by using heat pipes
    • 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
    • H01H33/42—Driving mechanisms
    • H01H2033/426—Details concerning the connection of the isolating driving rod to a metallic part
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/52—Cooling of switch parts

Definitions

  • the present invention relates to a high voltage insulator according to the preamble of claim 1, a method of manufacturing this insulator, an apparatus for carrying out the method and a cooling element with this high voltage insulator.
  • the high-voltage insulator comprises in coaxial arrangement at least one insulating tube with an end formed as a support ring, a support ring held on the hollow metal fitting, an adhesive joint, which is provided between an adhesive surface of the support ring and an adhesive surface of the metal fitting and filled with a set adhesive layer vacuum-tight, and along The axis of the insulating tube extending cavity which is radially bounded by the insulating tube and the metal fitting.
  • the other end facing away from the support ring of the insulating tube is also formed as a support ring and connected via an adhesive joint with another metal fitting.
  • Such an insulator can be used as an insulating section in a passive cooling of a high-current high-voltage device, with high voltage basically an operating voltage greater than 1 kV to understand.
  • the preferred voltage range is below 100 kV and mainly relates to high-current devices and systems with nominal voltages of typically 10 to 50 kV.
  • a generator switch running high-current devices are generally carried out single-phase encapsulated and have a arranged in the enclosure and located at high voltage potential inner conductor. Heat generated by current losses on the inner conductor is dissipated through the enclosure to the ambient air. This means that there must be an electrically insulating path between a high-voltage potential evaporator and a heat pipe condenser held at ground potential, which must be designed according to the required high voltage (e.g., 150 kV BIL). Evaporator and heat exchanger (condenser) are held vacuum-tight at the two ends of the high-voltage insulator.
  • the high-voltage insulator fulfills several functions, especially those of the guide of the working fluid and the separation of the potentials of evaporator and condenser.
  • the reliability of such a powerful passive cooling element and equipped with such a cooling element high-voltage system is only guaranteed if the insulator performs the above functions over many years.
  • Such an insulator should therefore be maintenance-free over a long period, typically 20 years.
  • Such a high long-term stability requires an extremely low leak rate, as this is the only way to avoid a loss of work equipment.
  • a high voltage insulator of the aforementioned type is described in WO 2006/053552 A1 ,
  • This insulator is part of a heat pipe formed as a hollow cooling element, which serves to dissipate heat from a generator lead.
  • He has in coaxial arrangement a mechanically supporting insulating tube made of a fiber-reinforced polymer and from coaxially held diffusion barriers and two hollow metal fittings, which are bonded vacuum-tight with the two, each designed as a support ring ends of the insulating tube.
  • Between an adhesive surface of each of the two support rings and an adhesive surface of each of the two metal fittings extending from the front side of each support ring on its lateral surface adhesive joint is provided, which is filled vacuum-tight with a set adhesive layer.
  • the high-voltage insulator forms an insulating section of a cooling element which transmits heat formed by current losses in the high-voltage conductor to the encapsulation.
  • a working medium contained in the interior of the cooling element such as in particular acetone or a hydro-fluoro ether, the heat transfer and circulates as vapor from the evaporator through the insulating tube to the condenser, in which the vapor condenses while releasing the heat as a liquid. The liquid is returned to the evaporator through the high voltage insulator.
  • the high-voltage insulator therefore serves not only as an insulating section, but also as a conduit for the working fluid. Since this line receives a chemical medium, a continuous temperature of typically 80 ° C is exposed and must be liquid, gas and vacuum tight over many, typically 20 years, are to the adhesive joints between each formed as a support ring both ends of the insulating tube and high demands placed on metal fittings.
  • the object is to provide a high-voltage insulator of the type mentioned, which has a low leakage rate and even after many years of operation under strong mechanical, electrical, thermal and chemical stress by a high reliability characterized and to provide a method for producing this high voltage insulator, an apparatus for performing this method and a cooling element containing this insulator.
  • At least one predominantly radially-guided adhesive channel is arranged between the cavity and the adhesive joint, which is closed with set adhesive and which has a cross-section which is sufficient to guide adhesive, which has not set before the bonded adhesive layer forms, from the cavity into the adhesive joint. Since, before setting, the adhesive is guided out of the hollow space via the adhesive channel into the glued joint, a particularly homogeneous adhesive layer kept free of undesired air inclusions between two parts to be joined, i.e. in a comparatively short time, can be produced. between a support ring of an insulating tube and a metal fitting, can be achieved.
  • High voltage insulator and cooling element according to the invention accordingly have a high long-term stability.
  • axially symmetrical trained high-voltage insulator H is arranged along its axis of symmetry A aligned in a clamping device 3 of a device V for its preparation.
  • the high-voltage insulator includes an insulating tube 1, whose two ends are each formed as a support ring 10, 10 ', and two hollow metal fittings 2 and 2'.
  • the insulating tube 1 is made of a polymeric composite, for example, based on a duromer, such as an epoxide, and a filler, such as quartz powder or glass fibers, but may also be made of a ceramic, such as porcelain.
  • the metal fitting 2 is bonded to the support ring 10 and the metal fitting 2 'with the support ring 10' vacuum-tight.
  • the tensioning device 3 is supported with a horizontally oriented base plate 30 on spacer feet 31 and has two vertically oriented threaded rods 32 which are rigidly secured to the base plate 30.
  • a non-apparent opening is provided through which the lower part of the metal fitting 2 is guided.
  • a formed as a field electrode 20 part of the metal fitting 2 rests on the base plate 30.
  • the metal fitting 2 ' has the same design as the metal fitting 2 and includes a field electrode 20', on which a pressure bar 33 rests.
  • a part of the fitting 2 'corresponding to the lower part of the fitting 2 is guided through the pressure beam 33 by an opening, likewise not visible.
  • the pressure bar 33 is by means of two guided on the threaded rods 32 pressure nuts 34 against the Field electrode 20 'pressed and thus sets the high-voltage insulator H in the clamping device 3.
  • the two support rings 10, 10 ' are identical and have - in the FIGS. 2 and 3 shown at the support ring 10 - distance cam 11, which are formed in the free end face 12 of the support ring 10 and axially aligned.
  • Each of the distance cams 11 delimit a predominantly radially guided adhesive channel 50 in the circumferential direction of the end face 12.
  • the four distance cams 11 shown in the illustrated embodiment define four adhesive channels 50 which are predominantly radially aligned and distributed uniformly in the circumferential direction (relative to the axis A).
  • the insulating tube 1 and the metal fitting 2 are grouted to form the joint 51.
  • the metal fitting 2 is heated, typically to about 150 ° C, and the heated metal fitting 2 mounted on the support ring 10 until the distance cam 11 sit on a radially inwardly guided shoulder 22 of the metal fitting 2 ( FIGS. 4 to 6 ).
  • the metal fitting 2 'and the support ring 2' are grouted, although these two parts can also be connected by screwing using sealing rings or by molding. In any case, such an axially extending, of the insulating tube 1 and the two hollow metal fittings 2, 2 'axially limited cavity 15 is formed.

Landscapes

  • Insulating Bodies (AREA)
  • Insulators (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
EP07108754A 2007-05-23 2007-05-23 Isolateur haute tension et élément de refroidissement doté de cet isolateur haute tension Not-in-force EP1995739B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT07108754T ATE521070T1 (de) 2007-05-23 2007-05-23 Hochspannungsisolator und kühlelement mit diesem hochspannungsisolator
EP07108754A EP1995739B1 (fr) 2007-05-23 2007-05-23 Isolateur haute tension et élément de refroidissement doté de cet isolateur haute tension
US12/123,126 US20080289857A1 (en) 2007-05-23 2008-05-19 High-Voltage Insulator and Cooling Element with this High-Voltage Insulator
CN2008100933003A CN101312085B (zh) 2007-05-23 2008-05-21 高压绝缘子和带有该高压绝缘子的冷却元件
JP2008134958A JP2009004372A (ja) 2007-05-23 2008-05-23 高電圧インシュレータ及びこの高電圧インシュレータを備えた冷却要素

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07108754A EP1995739B1 (fr) 2007-05-23 2007-05-23 Isolateur haute tension et élément de refroidissement doté de cet isolateur haute tension

Publications (2)

Publication Number Publication Date
EP1995739A1 true EP1995739A1 (fr) 2008-11-26
EP1995739B1 EP1995739B1 (fr) 2011-08-17

Family

ID=38529738

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07108754A Not-in-force EP1995739B1 (fr) 2007-05-23 2007-05-23 Isolateur haute tension et élément de refroidissement doté de cet isolateur haute tension

Country Status (5)

Country Link
US (1) US20080289857A1 (fr)
EP (1) EP1995739B1 (fr)
JP (1) JP2009004372A (fr)
CN (1) CN101312085B (fr)
AT (1) ATE521070T1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016217621A1 (de) 2016-09-15 2018-03-15 Siemens Aktiengesellschaft Herstellungsverfahren für ein elektrisches Betriebsmittel, elektrisches Betriebsmittel und Herstellungsanordnung
DE102016217619A1 (de) 2016-09-15 2018-03-15 Siemens Aktiengesellschaft Herstellungsverfahren für ein elektrisches Betriebsmittel und elektrisches Betriebsmittel

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2788991B1 (fr) * 2012-01-13 2019-03-06 Siemens Aktiengesellschaft Procédé de fabrication de structures d'isolateurs en porcelaine
CN109817398B (zh) * 2019-03-21 2021-01-15 江苏神马电力股份有限公司 辅助伞的安装方法
CN110077083B (zh) * 2019-04-12 2021-02-09 捷邦精密科技股份有限公司 圆环凸包型电子绝缘组件的生产设备及其生产工艺

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0688025A2 (fr) * 1994-06-17 1995-12-20 Hoechst CeramTec Aktiengesellschaft Isolateur haute tension en céramique
DE19503324A1 (de) * 1995-02-02 1996-08-08 Hoechst Ceram Tec Ag Isolator mit Kittverbindung und Verfahren zu seiner Herstellung
EP1617442A1 (fr) * 2004-07-13 2006-01-18 Fabbrica Isolatori Porcellana "F.I.P." S.p.A. Isolateur électrique et méthode de fabrication.
WO2006053452A1 (fr) * 2004-11-16 2006-05-26 Abb Research Ltd Corps creux isolant pour element de refroidissement pouvant etre soumis a une haute tension

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2723468B2 (ja) * 1994-03-28 1998-03-09 日本碍子株式会社 ポリマー碍子
US5981878A (en) * 1996-04-22 1999-11-09 Hubbell Incorporated Polymer insulators with metal caps
DE19856123C2 (de) * 1998-12-04 2000-12-07 Siemens Ag Hohlisolator
US6472604B2 (en) * 2000-03-13 2002-10-29 Ngk Insulators, Ltd. Seal construction of polymer insulator
US6831232B2 (en) * 2002-06-16 2004-12-14 Scott Henricks Composite insulator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0688025A2 (fr) * 1994-06-17 1995-12-20 Hoechst CeramTec Aktiengesellschaft Isolateur haute tension en céramique
DE19503324A1 (de) * 1995-02-02 1996-08-08 Hoechst Ceram Tec Ag Isolator mit Kittverbindung und Verfahren zu seiner Herstellung
EP1617442A1 (fr) * 2004-07-13 2006-01-18 Fabbrica Isolatori Porcellana "F.I.P." S.p.A. Isolateur électrique et méthode de fabrication.
WO2006053452A1 (fr) * 2004-11-16 2006-05-26 Abb Research Ltd Corps creux isolant pour element de refroidissement pouvant etre soumis a une haute tension

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016217621A1 (de) 2016-09-15 2018-03-15 Siemens Aktiengesellschaft Herstellungsverfahren für ein elektrisches Betriebsmittel, elektrisches Betriebsmittel und Herstellungsanordnung
DE102016217619A1 (de) 2016-09-15 2018-03-15 Siemens Aktiengesellschaft Herstellungsverfahren für ein elektrisches Betriebsmittel und elektrisches Betriebsmittel
WO2018050436A1 (fr) * 2016-09-15 2018-03-22 Siemens Aktiengesellschaft Procédé de fabrication d'un appareil électrique, appareil électrique et système de fabrication correspondant

Also Published As

Publication number Publication date
JP2009004372A (ja) 2009-01-08
CN101312085A (zh) 2008-11-26
EP1995739B1 (fr) 2011-08-17
CN101312085B (zh) 2012-03-21
ATE521070T1 (de) 2011-09-15
US20080289857A1 (en) 2008-11-27

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