EP1903642A1 - Agencement de liaison pour câbles haute tension - Google Patents

Agencement de liaison pour câbles haute tension Download PDF

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Publication number
EP1903642A1
EP1903642A1 EP07116180A EP07116180A EP1903642A1 EP 1903642 A1 EP1903642 A1 EP 1903642A1 EP 07116180 A EP07116180 A EP 07116180A EP 07116180 A EP07116180 A EP 07116180A EP 1903642 A1 EP1903642 A1 EP 1903642A1
Authority
EP
European Patent Office
Prior art keywords
voltage cable
cable
connection
insulator
connecting arrangement
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.)
Withdrawn
Application number
EP07116180A
Other languages
German (de)
English (en)
Inventor
Hermann Koch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP1903642A1 publication Critical patent/EP1903642A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing

Definitions

  • the present invention relates to a connection arrangement on a housing, in particular a gas-insulated switchgear comprising a connection opening and a conically widening insulator, between a first high voltage cable and a second high voltage cable, the second high voltage cable being a cable end adapted to the conical insulator connected to the first high voltage cable and can be inserted through the connection opening in the insulator and with a closure device for mechanical connection of the housing with the second high-voltage cable is used.
  • a connection arrangement on a housing in particular a gas-insulated switchgear comprising a connection opening and a conically widening insulator, between a first high voltage cable and a second high voltage cable, the second high voltage cable being a cable end adapted to the conical insulator connected to the first high voltage cable and can be inserted through the connection opening in the insulator and with a closure device for mechanical connection of the housing with the second high-voltage cable is used.
  • Plug-in cable connections have the advantage of simpler and faster construction site assembly. Particularly critical in such compounds are the joining of the individual elements and the secure and uniform connection of the interfaces between cable and insulator into the gas-insulated switchgear (GIS) into it. For locking and secure connection today flange connections are usually used.
  • GIS gas-insulated switchgear
  • a cable end closure is known, which is closed with screws in the manner of a flange connection.
  • the known connection is not suitable for a transition from a cable via the insulator to the GIS by means of a conical interface.
  • the conical end of the cable must rest in the conical opening of the insulator with the entire surface and may not form cavities (voids), otherwise the compound may overturn due to long-term partial discharges.
  • the EP 0 812 046 B1 describes a cable termination with a cable connection unit, in which a connecting bolt with the cable conductor of a cable core connectable and with a contact head, in the central bore, the free end of the connecting pin for contacting inserted and fixed against withdrawal.
  • a connecting bolt with the cable conductor of a cable core connectable and with a contact head, in the central bore, the free end of the connecting pin for contacting inserted and fixed against withdrawal.
  • the local invention can be dispensed with the need for actuating the pressure nut opening in the contact head, since the terminal bolt is provided at its free end with an axially extending pin, at its free end a radially extending, the lateral surface of the pin superior crossbar lies.
  • a locking disc is introduced into the central bore, which has a locking hole, whose shape is adapted to the outer contour of the pin with its crossbar.
  • the cross bar can be performed in a certain position to the locking hole through this and anchor after a rotation of the position of the contact head to the position of the connecting bolt behind the locking disc.
  • the DE 198 16583 C2 describes electrical connection elements for metal-enclosed, gas-insulated areas of power supply and distribution switchgear, the components of the switchgear inside and outside of the gas-insulated functional space areas connect via connecting parts, the connection parts are in the transition region of closure parts that close the gas-insulated functional space areas to the outside and the outside engage with closure covers in such a way that by means of releasably arranged radial joint areas are formed, which close the functional space regions electrically sealed.
  • the closure covers are formed from hollow silicone parts.
  • the object of the present invention is to provide a connection arrangement and with which a concentric force effect and force distribution can be produced permanently along the conical surfaces of the insulator and of the corresponding cable end of the high-voltage cable to be connected.
  • the object is achieved in that almost perpendicular to the longitudinal direction of the high voltage cable, a frictional connection is ensured, wherein the non-positive connection in the longitudinal direction of the high voltage cable is movable relative to the closure device.
  • the insulator and thus the first high voltage cable are attached to the housing.
  • the relative displacement of the frictional connection in the longitudinal direction of the high voltage cables relative to the closure device takes place advantageously by means of at least one elastic biasing element, in particular a spring element.
  • the elastic modulus of the elastic biasing element - in particular the spring constant in the case of using a spring as an elastic biasing element - is advantageously dimensioned so that a permanent, all-sided pressure of the cable end of the second high-voltage cable is ensured in the correspondingly shaped insulator.
  • the closure device can be fastened to the housing by means of a Schaub mechanism.
  • the closure device advantageously comprises a screw and a corresponding holder with a thread, wherein the thread is formed in an annular groove.
  • a plurality of elastic biasing elements are distributed equidistantly around the connection opening.
  • connection arrangement In an advantageous embodiment of the connection arrangement is provided that the diameter of the cable sheath of the second high-voltage cable is slightly smaller than the diameter of the connection opening.
  • the shape of the cable end of the second high voltage cable corresponding to the shape of the insulator on the first high voltage cable.
  • connection arrangement 1 comprises a housing 3, in particular as part of a gas-insulated switchgear (GIS), and a closure device 4. 5 designed as a screw in the present embodiment, with which a high-voltage cable 2 a can be connected to the housing 3.
  • GIS gas-insulated switchgear
  • the housing 3 has a connection opening 14 in the vicinity of which ends a conically formed insulator 9, which is connected to a first high-voltage cable 2b.
  • a tube extension of a first part is designed outwardly as a holder 5 of a closure device 4, 5 which has a larger diameter than the connection opening 14 and is arranged concentrically with the connection opening 14.
  • the closure means 4,5 comprises a screw 4 and a corresponding holder 5 with a thread, wherein the thread is formed in an annular groove.
  • the closure device 4, 5 comprises a helical base body 4, which has a central passage opening which almost completely corresponds in its opening width to the diameter of the cable sheath 10 of the high-voltage cable 2 a to be connected.
  • the main body 4 is formed as a screw having an annular groove with a corresponding to the holder 5 thread. The basic body 4 can thus be screwed to the holder 5 and thus establishes a fixed mechanical connection 12 between the second high-voltage cable 2 a and the housing 3.
  • the main body 4 serves as a support for an elastic biasing element 6, which in turn can be connected to a non-positive connection 12.
  • a clamping wedge 8 is firmly connected to the cable sheath 10 of the second high-voltage cable 2 a.
  • a corresponding with the clamping wedge 8 pressing element 7 is due to the spring pressure of the spring as an elastic biasing element 6 a non-positive connection with the clamping wedge 8 and thus with cable sheath 10 of the second high-voltage cable 2 a ago.
  • the second high-voltage cable 2 a can be operatively connected to the - gas-insulated - housing 3.
  • the high-voltage cable 2 a has a cable end 11, which tapers conically and is adapted in its conical design to the conical shape of the insulator 9.
  • a contact piece At the tip of the conical cable end 11 is a contact piece, which serves for connection to the first high voltage cable 2a.
  • the cable end 11 ensures a reliable connection with its conical peripheral surface against the entire corresponding conical surface of the insulator 9 in order to prevent the formation of cavities and thus partial discharges in the cavities.
  • the second high-voltage cable 2 a with its cable end 11 can be inserted through the passage opening of the closure device 4, 5 and can be inserted through the connection opening 14 into the cone-shaped insulator 9. Then, the closure device is locked by the screw 4.5, wherein the pressing member 7 and the biasing member 6 form a positive connection due to the spring pressure with the clamping wedge 8 and the clamping wedge 8 in turn has a frictional connection 12 with the cable sheath 10 of the second high-voltage cable 2b.
  • an increasing force is exerted on the clamping wedge 8 via the spring 6 and the pressing element 7. Thereby, the pressing force of the peripheral surface of the cable end 11 is increased to the surface of the insulator 9.
  • the solution of the compound takes place in the reverse manner by the solution of the closure device 4,5.
  • the closure device 4.5 is designed as a screw and the connection technology shown as a screw connection.
  • the present connection arrangement 1 is not limited to a screw connection. Rather, all connection techniques can be used, which allow the arrangement of a non-positive connection 12 between a holder 5 and a high voltage cable 2a for increasing the contact pressure of the peripheral surface of a cable end 11 on an insulator surface 9.

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  • Cable Accessories (AREA)
EP07116180A 2006-09-25 2007-09-12 Agencement de liaison pour câbles haute tension Withdrawn EP1903642A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200610045878 DE102006045878A1 (de) 2006-09-25 2006-09-25 Verbindungsanordnung für Hochspannungskabel

Publications (1)

Publication Number Publication Date
EP1903642A1 true EP1903642A1 (fr) 2008-03-26

Family

ID=38798436

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07116180A Withdrawn EP1903642A1 (fr) 2006-09-25 2007-09-12 Agencement de liaison pour câbles haute tension

Country Status (2)

Country Link
EP (1) EP1903642A1 (fr)
DE (1) DE102006045878A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3517113A (en) * 1967-10-05 1970-06-23 Hitachi Cable Cable insertion unit for use in electric cable joint and terminal
EP0060930A1 (fr) * 1981-03-19 1982-09-29 Karl Pfisterer Elektrotechnische Spezialartikel GmbH & Co. KG Garniture pour l'extrémité d'un câble de moyenne tension ou de haute tension
EP0148394A2 (fr) * 1983-11-30 1985-07-17 Kabushiki Kaisha Toshiba Installations de commutation blindées
EP1646268A2 (fr) 2004-10-08 2006-04-12 YXLON International X-Ray GmbH Dispositif de tension d'un câble haute tension

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1878070U (de) * 1963-07-10 1963-08-22 Sueddeutsche Kabelwerke Hochspannungskabel-endverschluss.
DE1944698C3 (de) * 1969-09-03 1975-12-11 Felten & Guilleaume Kabelwerke Ag, 5000 Koeln Armatur zur druckdichten Befestigung eines Isolators
DE19622311A1 (de) * 1996-06-04 1997-12-11 Abb Patent Gmbh Kabelendverschluß
DE19816583C2 (de) * 1998-04-08 2003-12-11 Siemens Ag Elektrische Verbindungselemente für metallgekapselte, gasisolierte Schaltanlagen
JP2000245049A (ja) * 1999-02-22 2000-09-08 Showa Electric Wire & Cable Co Ltd ケーブル終端接続部の圧縮装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3517113A (en) * 1967-10-05 1970-06-23 Hitachi Cable Cable insertion unit for use in electric cable joint and terminal
EP0060930A1 (fr) * 1981-03-19 1982-09-29 Karl Pfisterer Elektrotechnische Spezialartikel GmbH & Co. KG Garniture pour l'extrémité d'un câble de moyenne tension ou de haute tension
EP0148394A2 (fr) * 1983-11-30 1985-07-17 Kabushiki Kaisha Toshiba Installations de commutation blindées
EP1646268A2 (fr) 2004-10-08 2006-04-12 YXLON International X-Ray GmbH Dispositif de tension d'un câble haute tension

Also Published As

Publication number Publication date
DE102006045878A1 (de) 2008-04-17

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