WO2001050487A1 - Sectionneur pour lignes aeriennes a haute tension - Google Patents

Sectionneur pour lignes aeriennes a haute tension Download PDF

Info

Publication number
WO2001050487A1
WO2001050487A1 PCT/EP2000/012313 EP0012313W WO0150487A1 WO 2001050487 A1 WO2001050487 A1 WO 2001050487A1 EP 0012313 W EP0012313 W EP 0012313W WO 0150487 A1 WO0150487 A1 WO 0150487A1
Authority
WO
WIPO (PCT)
Prior art keywords
disconnector
overhead power
contacts
enclosure
voltage overhead
Prior art date
Application number
PCT/EP2000/012313
Other languages
English (en)
Inventor
Costante Piazza
Original Assignee
Abb Service S.R.L.
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 Service S.R.L. filed Critical Abb Service S.R.L.
Priority to AU30072/01A priority Critical patent/AU3007201A/en
Priority to EP00990665A priority patent/EP1252638A1/fr
Publication of WO2001050487A1 publication Critical patent/WO2001050487A1/fr

Links

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
    • H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment
    • H02B5/02—Non-enclosed substations; Substations with enclosed and non-enclosed equipment mounted on pole, e.g. pole transformer substation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035—Gas-insulated switchgear

Definitions

  • the present invention relates to a disconnector, particularly for high-voltage overhead power lines.
  • Disconnectors are generally used in substations for the transmission and/or distribution of electric power.
  • electric power substations comprise a series of primary components, for example circuit breakers, disconnectors and power transformers, which are mutually connected in an appropriate way according to a given electrical layout.
  • the substation is furthermore provided with a series of secondary components, constituted by protection devices and control systems, in order to ensure correct electrical operation of the system and avoid dangerous damage.
  • the aim of the present invention is to provide a disconnector, particularly for
  • an object of the present invention is to provide a disconnector, particularly for high-voltage overhead power lines, which can be remotely controlled.
  • Another object of the present invention is to provide a disconnector, particularly for high-voltage overhead power lines, which has a reduced number of components.
  • Another object of the present invention is to provide a disconnector, particularly for high-voltage overhead power lines, which does not require frequent maintenance.
  • Another object of the present invention is to provide a disconnector, particularly for high-voltage overhead power lines, which is highly reliable, relatively easy to manufacture and at competitive costs.
  • a sealed enclosure which contains a dielectric fluid and inside which a plurality of fixed contacts and a plurality of moving contacts are accommodated, said moving contacts being able to mutually couple/uncouple with respect to the corresponding fixed contacts;
  • a remote-controlled motorized actuation unit which is operatively connected to said actuation rod; and ⁇ supporting means for installation on a pylon of a high-voltage overhead power line.
  • Figure 1 is a sectional view of a disconnector according to the invention
  • Figure 2 is a view of a first possible way of installing the disconnector according to the invention.
  • FIG 3 is a view of a second possible way of installing the disconnector according to the invention.
  • the disconnector particularly for high-voltage overhead power lines, according to the invention, generally designated by the reference numeral 1
  • the disconnector comprises a sealed enclosure 10 which contains a dielectric insulation fluid, for example SF 6 .
  • a dielectric insulation fluid for example SF 6 .
  • three fixed contacts 11, 12 and 13 are arranged inside the enclosure 10.
  • the fixed contacts 11 and 12 are electrically connected, by means of through insulators 51 and 52, to one of the phases of the overhead power line (not shown).
  • the fixed contact 13 is electrically connected, by means of a bushing 53, to an element of the substation, for example a pole of a circuit breaker.
  • the embodiment of Figure 1 has an additional fixed contact 14 which is grounded.
  • the enclosure 10 furthermore comprises an actuation rod 15 which lies longitudinally inside it.
  • the moving contacts 21, 22, 23 and 24 are arranged on the rod 15 and can be coupled/uncoupled with respect to the corresponding fixed contacts 11, 12, 13 and 14.
  • the movement of the moving contacts and their coupling/uncoupling with respect to the corresponding fixed contacts occurs on a plane which is perpendicular to the longitudinal axis of the enclosure by virtue of the rotation of the actuation rod 15.
  • a motorized actuation unit 30 produces the rotary motion of the rod 15.
  • the disconnector according to the invention furthermore comprises supporting means, constituted for example by brackets 40, for installation on a pylon of an overhead power line.
  • electric field shields 61 and 62 are arranged at the ends of the actuation rod 15.
  • the motorized actuation unit 30 can be constituted by a conventional electric motor which is controlled appropriately.
  • it is constituted by a rotary servomotor; this solution in fact allows higher precision and accuracy in switching, since the servomotor allows better control of the speed and positioning of the elements connected thereto.
  • a first possible way of installing the disconnector according to the invention on a pylon 70 of a high-voltage power line is illustrated with reference to Figure 2.
  • This embodiment provides for the installation of a disconnector 1 according to the invention for each phase of the line.
  • conductors 71, 72 and 73 are arranged on a substantially vertical plane; three disconnectors 1 are installed on the pylon 70 at each conductor and at different elevations with respect to the ground.
  • the line is protected by an earth wire 74.
  • a second possible way of installing the disconnector according to the invention on a pylon 80 of a high- voltage power line is illustrated with reference to Figure 3.
  • a single disconnector 1 according to the invention is installed.
  • the three conductors lie on a same substantially horizontal plane and the figure illustrates only one conductor 81.
  • the line is protected by an earth wire 84.
  • the disconnector for high-voltage overhead power lines according to the invention fully achieves the intended aim and objects, since it does not require space at ground level.
  • the disconnector according to the invention can be remotely controlled by virtue of the remote control of the motorized actuation unit.
  • the number of mechanical components subjected to wear is furthermore reduced, with a consequent reduced need for maintenance.
  • disconnector for high-voltage overhead power lines thus conceived is susceptible of numerous modifications and variations, all of which are within the scope of the inventive concept; all the details may furthermore be replaced with other technically equivalent elements.
  • the materials used may be any according to the requirements and the state of the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

L'invention concerne un sectionneur pour lignes d'énergie électrique aériennes à haute tension, dont la particularité consiste en ce qu'il comprend une enceinte hermétique contenant un fluide diélectrique, une pluralité de contacts fixes et une pluralité de contacts mobiles, les contacts mobiles pouvant être connectés/déconnectés par rapport aux contacts fixes correspondants. L'enceinte comprend également une tige d'actionnement connectée auxdits contacts mobiles et disposée longitudinalement à l'intérieur de l'enceinte, lesdits contacts mobiles étant mobiles dans un plan perpendiculaire à l'axe longitudinal de l'enceinte au moyen d'un mouvement de rotation de la tige d'activation, ainsi qu'une unité d'activation motorisée télécommandée connectée de façon fonctionnelle à ladite tige d'activation et un dispositif de support permettant l'installation du sectionneur sur un pylône d'une ligne d'énergie électrique aérienne à haute tension.
PCT/EP2000/012313 1999-12-31 2000-11-30 Sectionneur pour lignes aeriennes a haute tension WO2001050487A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU30072/01A AU3007201A (en) 1999-12-31 2000-11-30 Disconnector for high-voltage overhead lines
EP00990665A EP1252638A1 (fr) 1999-12-31 2000-11-30 Sectionneur pour lignes aeriennes a haute tension

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1999MI002769A IT1314361B1 (it) 1999-12-31 1999-12-31 Unita' di sezionamento per linee aeree ad alta tensione
ITMI99A002769 1999-12-31

Publications (1)

Publication Number Publication Date
WO2001050487A1 true WO2001050487A1 (fr) 2001-07-12

Family

ID=11384247

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2000/012313 WO2001050487A1 (fr) 1999-12-31 2000-11-30 Sectionneur pour lignes aeriennes a haute tension

Country Status (4)

Country Link
EP (1) EP1252638A1 (fr)
AU (1) AU3007201A (fr)
IT (1) IT1314361B1 (fr)
WO (1) WO2001050487A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3745547A1 (fr) * 2019-05-31 2020-12-02 ABB Power Grids Switzerland AG Appareillage de commutation haute tension monté sur pylône
IT201900018788A1 (it) 2019-10-15 2021-04-15 Terna S P A Procedimento di montaggio di unità di manovra su un palo a tralicci per linee elettriche aeree ad alta tensione

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2540895A1 (de) * 1975-09-13 1977-03-24 Hermann Pesch Mittelspannungslastschalter mit doppeltrennstelle nach dem rotary- prinzip
EP0417015A1 (fr) * 1989-09-07 1991-03-13 Schneider Electric Sa Mécanisme de commande d'un interrupteur multipolaire à haute tension
EP0515009A1 (fr) * 1991-05-23 1992-11-25 Siemens Aktiengesellschaft Interrupteur rotatif multiposition avec gas d'extinction

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2540895A1 (de) * 1975-09-13 1977-03-24 Hermann Pesch Mittelspannungslastschalter mit doppeltrennstelle nach dem rotary- prinzip
EP0417015A1 (fr) * 1989-09-07 1991-03-13 Schneider Electric Sa Mécanisme de commande d'un interrupteur multipolaire à haute tension
EP0515009A1 (fr) * 1991-05-23 1992-11-25 Siemens Aktiengesellschaft Interrupteur rotatif multiposition avec gas d'extinction

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3745547A1 (fr) * 2019-05-31 2020-12-02 ABB Power Grids Switzerland AG Appareillage de commutation haute tension monté sur pylône
WO2020239289A1 (fr) * 2019-05-31 2020-12-03 Abb Power Grids Switzerland Ag Appareillage de commutation haute tension monté sur pylône
CN114026755A (zh) * 2019-05-31 2022-02-08 日立能源瑞士股份公司 塔装高压开关设备
US11799274B2 (en) 2019-05-31 2023-10-24 Hitachi Energy Switzerland Ag Tower mounted high voltage switchgear
CN114026755B (zh) * 2019-05-31 2023-11-24 日立能源有限公司 塔装高压开关设备
IT201900018788A1 (it) 2019-10-15 2021-04-15 Terna S P A Procedimento di montaggio di unità di manovra su un palo a tralicci per linee elettriche aeree ad alta tensione
WO2021074815A1 (fr) * 2019-10-15 2021-04-22 Terna S.P.A. Procédé de montage d'unités de commutation sur une tour en treillis pour lignes électriques aériennes à haute tension

Also Published As

Publication number Publication date
AU3007201A (en) 2001-07-16
IT1314361B1 (it) 2002-12-09
EP1252638A1 (fr) 2002-10-30
ITMI992769A1 (it) 2001-07-02
ITMI992769A0 (it) 1999-12-31

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