EP1142075A1 - Installations de distribution electrique comportant des sectionneurs de puissance - Google Patents

Installations de distribution electrique comportant des sectionneurs de puissance

Info

Publication number
EP1142075A1
EP1142075A1 EP99962085A EP99962085A EP1142075A1 EP 1142075 A1 EP1142075 A1 EP 1142075A1 EP 99962085 A EP99962085 A EP 99962085A EP 99962085 A EP99962085 A EP 99962085A EP 1142075 A1 EP1142075 A1 EP 1142075A1
Authority
EP
European Patent Office
Prior art keywords
switching
switchgear
circuit breaker
contact
busbars
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.)
Ceased
Application number
EP99962085A
Other languages
German (de)
English (en)
Inventor
Christoph RÖHLING
Bernhard Boes
Olaf Bischur
Herbert Soens
Dieter Zweng
Luis-Angel Piaggi
Rainer Stolz
Juan Carlos Barroso-Simental
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
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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, Siemens Corp filed Critical Siemens AG
Publication of EP1142075A1 publication Critical patent/EP1142075A1/fr
Ceased legal-status Critical Current

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
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • H02B11/28—Earthing arrangements

Definitions

  • the invention relates to switchgear
  • Circuit breaker devices in particular air-insulated medium-voltage switchgear, with busbars and cable branches for energy supply and distribution.
  • Switchgear of the type defined at the outset are known in various designs and serve for switchable energy supply and distribution within the existing supply networks.
  • the electrical energy supplied via the cable branches must be connected to the busbars or switched off in the event of a fault, and on the other hand there is a need to connect the cables and the busbars to ground potential for installation and maintenance work for safety reasons.
  • Both requirements are met in the usual way by separate circuit breakers for switching the energy and by so-called multi-position switches or three-position switches.
  • the circuit breakers and the multi-position switches are arranged in a wide variety of correlations with each other, depending on the type of system, and are also housed separately in the switchgear.
  • the circuit breaker devices each contain a contact unit and a switching tube
  • the contact units can be connected to earth potential rails within the circuit breaker devices
  • Cable branches connectable, reached.
  • the invention is based on the finding that the circuit breaker devices are designed so that a switching tube is combined with a contact unit and this contact unit can, if necessary, connect earth potential to the busbars and / or to the cable branches.
  • a compact circuit breaker device is achieved which, moreover, can be realized with considerably less apparatusive effort compared to the previously known solutions.
  • the features 2.1 are the switching trays within the
  • Circuit breaker devices arranged between the contact units, 2.2 the contact units each have an upper moving contact and a lower moving contact, 2.3 the upper moving contact and the lower moving contact can be moved independently of one another between two end positions.
  • the arrangement of the switching tubes between the upper and the lower moving contact of the contact unit meets the requirement for a simple, compact design of these functionally merged switching components in a particularly advantageous manner.
  • the independently movable movable contacts between the two end positions can be accomplished by very simple control mechanisms.
  • the lower moving contacts are electrically conductively connected to the movable contact parts of the switching tubes.
  • the four essential switching positions are realized in a simple manner, the first switching position allowing the condition of the grounding of the busbars and the cable outlets in the event of maintenance, the second switching position in which the busbars with the fixed ones Contact parts of the switching tubes and the cable branches with the movable
  • FIG 1 shows the grounding of the busbars and cable outlets in
  • FIG. 2 shows the switching of the energy from the cable branches to the busbars in the operating state and FIGS. 3 and 4 show the grounded state of the cable outlets or the busbars in the corresponding switching states.
  • the switchgear SA is shown only in part with the relevant components.
  • the switching tubes SR are arranged between the contact unit KE within the circuit breaker device LE.
  • the contact unit KE contains the upper moving contact KO and the lower moving contact KU, each between two end positions from the earth potential rail ES to the busbar and
  • Cable branch can be moved independently of one another.
  • the upper moving contact KO of the contact unit KE is always connected in an electrically conductive manner to the fixed contact part of the switching tubes SR and the lower moving contact KU of the contact unit KE is connected to the movable contact part of the switching tubes SR.
  • the switching states required in this technology can be produced in a simple manner by means of the independently movable upper and lower moving contacts KO, KU, with FIG. 1 showing the earthed busbar and the earthed cable branch KA, for example in the state of maintenance work, which
  • FIG. 2 shows the busbar SS connected to the fixed contact part of the switching tube SR with the cable outlet KA grounded at the same time via the earth potential bus ES
  • FIG. 3 shows the busbar SS connected to the cable outlet KA - not shown - the busbar SS
  • FIG. 4 represents the connection of the cable outlet KA to the movable contact part of the switching tube SR via the lower moving contact KU of the circuit breaker device LE and at the same time busbar SS grounded via the ground potential rail ES via the upper moving contact KO of the circuit breaker device LE.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Abstract

L'invention concerne des installations de distribution électrique comportant des sectionneurs de puissance,, notamment des installations de distribution électrique moyenne tension, isolées par air, comprenant des barres omnibus et des dérivations de câbles pour assurer l'alimentation et la répartition de l'énergie. Les sectionneurs de puissance (LE) comprennent dans chaque cas une unité de contact (KE) et un tube commutateur (SR). Les unités de contact (KE) peuvent être connectées dans les sectionneurs de puissance (LE) en fonction des besoins avec des barres de potentiel du sol et les unités de contact (KE) peuvent être connectées dans les installations de distribution électrique en fonction des besoins avec les barres omnibus (SS) et les dérivations de câbles (KA).
EP99962085A 1998-11-30 1999-11-24 Installations de distribution electrique comportant des sectionneurs de puissance Ceased EP1142075A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1998156772 DE19856772A1 (de) 1998-11-30 1998-11-30 Schaltanlagen mit Leistungsschaltereinrichtungen
DE19856772 1998-11-30
PCT/DE1999/003764 WO2000033434A1 (fr) 1998-11-30 1999-11-24 Installations de distribution electrique comportant des sectionneurs de puissance

Publications (1)

Publication Number Publication Date
EP1142075A1 true EP1142075A1 (fr) 2001-10-10

Family

ID=7890498

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99962085A Ceased EP1142075A1 (fr) 1998-11-30 1999-11-24 Installations de distribution electrique comportant des sectionneurs de puissance

Country Status (4)

Country Link
EP (1) EP1142075A1 (fr)
DE (1) DE19856772A1 (fr)
RU (1) RU2001117843A (fr)
WO (1) WO2000033434A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100860530B1 (ko) * 2007-07-12 2008-09-26 엘에스산전 주식회사 인출형 차단기
EP2363932A1 (fr) * 2010-03-01 2011-09-07 Eaton Industries (Netherlands) B.V. Agencement de commutateur pour appareil de commutation électrique
EP3696007B1 (fr) * 2019-02-18 2021-10-06 Bombardier Transportation GmbH Agencement de mise à la terre d'une liaison intermédiaire cc

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6035430A (ja) * 1983-08-08 1985-02-23 日新電機株式会社 ガス絶縁開閉装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0033434A1 *

Also Published As

Publication number Publication date
DE19856772A1 (de) 2000-05-31
RU2001117843A (ru) 2003-06-27
WO2000033434A1 (fr) 2000-06-08

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