EP1786010A1 - Installation de commutation électrique - Google Patents

Installation de commutation électrique Download PDF

Info

Publication number
EP1786010A1
EP1786010A1 EP06021102A EP06021102A EP1786010A1 EP 1786010 A1 EP1786010 A1 EP 1786010A1 EP 06021102 A EP06021102 A EP 06021102A EP 06021102 A EP06021102 A EP 06021102A EP 1786010 A1 EP1786010 A1 EP 1786010A1
Authority
EP
European Patent Office
Prior art keywords
switchgear
circuit breaker
support frame
contact arms
grounding
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
EP06021102A
Other languages
German (de)
English (en)
Other versions
EP1786010B1 (fr
Inventor
Achim Stelter
Lutz Dr. Ing. Drews
Frank Nienrodt
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.)
General Electric Technology GmbH
Original Assignee
Areva Energietechnik GmbH
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37603366&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1786010(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Areva Energietechnik GmbH filed Critical Areva Energietechnik GmbH
Publication of EP1786010A1 publication Critical patent/EP1786010A1/fr
Application granted granted Critical
Publication of EP1786010B1 publication Critical patent/EP1786010B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
    • H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact

Definitions

  • the invention relates to an electrical switchgear according to the preamble of claim 1.
  • switchgear in which, for example, three circuit breaker poles are arranged on a support frame.
  • Each of the circuit breaker poles is assigned a grounding switch.
  • the respectively assigned circuit breaker pole can be earthed.
  • the earthing switches have for this purpose pivotable contact arms, which are in a switch-on in electrical contact with a terminal of the respective associated circuit breaker pole. In a Off position, the contact arms are pivoted about 90 degrees about an arranged in the region of the support frame pivot axis. In the OFF position, one or more of the contact arms project outwardly from the support frame.
  • the object of the invention is to provide an electrical switchgear with a reduced volume of construction.
  • the invention solves this problem by an electrical switchgear according to claim 1.
  • the electrical switchgear at least two side by side arranged on a support frame circuit breaker poles are provided. Furthermore, there are two linkages driven by a grounding switch, which are assigned to the two circuit breaker poles and provided for their electrical grounding. Each of the earthing switch has a pivotable contact arm, the pivot axis is aligned approximately perpendicular to the main extension direction of the support frame. The two arranged at the ends of the support frame contact arms are pivotable from the linkage in opposite directions.
  • the required construction volume of the switchgear according to the invention is thus much lower compared to the prior art.
  • the pivot axes of the contact arms are aligned approximately horizontally.
  • the contact arms in the closed position are arranged approximately vertically and in the off position approximately horizontally.
  • the contact arms are arranged in the off position substantially in front of the support frame.
  • Each of the circuit breaker poles has two terminals.
  • each of the terminals is assigned a separate contact arm for grounding, or that the same connection arm is assigned to the grounding of the two terminals.
  • Figure 1 shows a schematic front view of an embodiment of an electrical switchgear according to the invention from the direction V of Figure 2
  • Figure 2 shows a schematic side view of the switchgear of Figure 1 from the direction S of Figure 1
  • Figure 3 shows a schematic plan view of the switchgear of the figure 1 from the direction D of Figure 1
  • Figure 4 shows a schematic perspective view of a Embodiment of the linkage of the switchgear of Figure 1.
  • a three-phase electrical switchgear 10 which has a cultivschalterpol 11 and a grounding switch 12 for each of the phases.
  • the three circuit breaker poles 11 and the three earthing switches 12 are held side by side on a support frame 13 which can be set up by means of two support feet 14 on a floor.
  • Each of the three circuit breaker poles 11 is preferably of similar design. It may be a known high-voltage circuit breaker or a known high-voltage circuit breaker with disconnector function, in particular according to IEC 62271-108 or a known high-voltage circuit breaker. Each of the three circuit breaker poles 11 is formed substantially cylindrical and projects from the support frame 13 in an approximately vertical upward direction.
  • Each of the three circuit breaker poles 11 is provided with a first terminal 16, which is arranged approximately in the middle of the circuit breaker pole 11 and thus spaced from the support frame 13, and with a second terminal 17, which is approximately at the free end of counselschalterpols 11 is arranged and thus has a distance from the first terminal 16.
  • insulators 18 are present, in the interior of the other components of the circuit breaker pole 11 are housed.
  • Each of the three circuit breaker poles 11 is assigned to one of the earthing switches 12. All three earthing switches 12 are electrically connected to earth or ground via the support frame 13 and the support feet 14, for example. It is possible that movable components of the earthing switch 12 are electrically connected to the support frame 13 and / or the support legs 14 by means of flexible earth cables or with the aid of sliding contacts.
  • the three earthing switches 12 are of a similar construction, for which reason only one of the three earthing switches 12 will be described in more detail below.
  • the earthing switch 12 is a pivotable contact arm 21 or 22, which can be swung back and forth between a switch-on position and a switch-off position by about 90 degrees. In the on position, the terminal 16 of the circuit breaker pole 11 is grounded through the associated grounding switch 12, while in the off position of the contact arm 21 and 22 is not the case.
  • the pivot axis of the contact arm 21 or 22 is arranged approximately at the lower end of the associated circuit breaker pole 11 and there in the region of the support frame 13.
  • the support frame 13 has a longitudinal direction in which it extends mainly. This represents the Hauptausdehnungsraum of the support frame 13.
  • the pivot axis of the three contact arms 21, 22 is on the one hand aligned approximately perpendicular to this longitudinal direction or Hauptausdehnungsraum.
  • the pivot axis of the three contact arms 21, 22 is aligned substantially perpendicular to the cylinder axis of the respectively associated circuit breaker pole 11. If the circuit breaker poles 11, as described, substantially vertically aligned, the pivot axes of the contact arms 21, 22 are arranged substantially horizontally.
  • the pivot axis of one of the three contact arms 21 is shown by way of example as a dashed line and designated by the reference numeral 20.
  • the contact arm 21 or 22 In the switch-on position, which is shown in dashed lines in FIG. 1, the contact arm 21 or 22 is oriented in an approximately vertical direction. The free end of the contact arm 21 or 22 is in electrical contact with the first terminal 16 of the associated circuit breaker pole 11. In the off position, the in 1 is shown by solid lines, the contact arm 21 and 22 is arranged approximately vertically. The free end of the contact arm 21 or 22 is in no electrical contact with any other component.
  • contact arm 22 pivots in the illustration of Figure 1 from the closed position in the counterclockwise direction to the left in the open position. This is indicated in the figure 1 by a dashed quadrant 25.
  • the middle contact arm 21 can optionally pivot in both directions.
  • a linkage 27 is provided in the region of the support frame 13, which can be driven by a drive 28. With the aid of this linkage 27, the three contact arms 21 and 22 can be moved substantially simultaneously by the drive 28 from the on position to the off position or vice versa.
  • the linkage is designed such that the two arranged at the ends of the support frame 13 contact arms 21, 22 pivot in opposite directions.
  • the drive 28 has a rotatable drive shaft 31 which is aligned approximately in the vertical direction.
  • a connecting lever 32 is provided, which is pivotable in an approximately horizontal plane.
  • This connecting lever 32 is coupled via a connecting rod 33 with a lever 34 which is associated with the central contact arm 21 and which is pivotable in an approximately vertical plane.
  • This lever 34 is coupled via two rods 35, 36 with two further levers 37, 38, which are associated with the two outer contact arms 21, 22, and which are also pivotable in an approximately vertical plane.
  • the three aforementioned levers 34, 37, 38 are connected via respective shafts 39 with the contact arms 21, 22.
  • the shafts 39 are supported within the support frame 13 and aligned approximately horizontally.
  • a rotational movement 41 of the drive shaft 31 in a clockwise direction leads to a pushing movement 42 of the connecting rod 33 in the direction shown in FIG.
  • the taking place in an approximately horizontal plane pivotal movement of the connecting lever 32 is thereby converted into a pivoting movement 43 of the lever 34 in an approximately vertical plane.
  • this pivotal movement 43 is transmitted to the lever 37, 38.
  • the two rods 37, 38 perform thrust movements 44, 45, which are opposite to each other, as shown in FIG.
  • the shaft 39 arranged on the left side carries out the same pivoting movement 43 as the central shaft in the counterclockwise direction, but the shaft 39 provided on the right side has an opposite pivoting movement 46 in the clockwise direction.
  • the pivotal movements 43, 46 are transmitted to the respective contact arms 21, 22. This has the consequence that the two outer contact arms 21, 22 pivot in opposite directions.
  • the grounding switches 12 of Figures 1 to 4 may also be designed as a so-called pan-push earthing switch. This means that the earthing switches are first pivoted in the manner described in an approximately vertical direction, to thereafter a pushing movement approximately in to do this vertical direction. With this pushing movement, the contact arms 21, 22 of the earthing switch 12 dip into annular or similarly formed contact pieces which protrude from the terminals 16. In this way, a secure electrical connection between the contact arms 21, 22 and the terminals 16 is achieved, which remains even at the forces occurring at higher currents.
  • the second terminals 17 of the circuit breaker poles 11 are grounded.
  • a further linkage can be provided on the back of the support frame 13, which is coupled with additional contact arms. These contact arms can then be pivoted to a switch-on position in which the second terminals 17 are grounded separately and independently of the first terminals 16.
  • the contact arms 21, 22 explained with reference to FIGS. 1 to 4 may be designed to be longer than illustrated so that they can ground not only the first terminals 16 but also the second terminals 17 at the same time. In both cases, can be achieved by an appropriate choice of the horizontal distance and the vertical height of the circuit breaker poles 11 that the central contact arm 21 in the off position substantially in front of the support frame 13 and so that is arranged substantially in the field of switchgear 10.
  • a mechanical interlock between the circuit breaker poles 11 and the earthing switches 12 is provided.
  • This interlock may be designed, for example, such that the grounding switches 12 can only be moved into the on position when the circuit breaker poles 11 are electrically opened, and / or that the circuit breaker poles 11 can only be electrically closed when the earthing switches 12 are in their position Switch off position.
  • the common drive 28 shown in FIGS. 1 to 4 can be replaced for all three earthing switches 12 by three separate drives which are assigned to the respective grounding switches 12.
  • the circuit breaker poles 11 are also coupled to a drive which is assigned to the support frame 13. This can be a common drive for all three circuit breaker poles 12 or individual drives for the respective circuit breaker poles 12.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
EP06021102A 2005-11-15 2006-10-07 Installation de commutation électrique Active EP1786010B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510054842 DE102005054842B4 (de) 2005-11-15 2005-11-15 Elektrische Schaltanlage

Publications (2)

Publication Number Publication Date
EP1786010A1 true EP1786010A1 (fr) 2007-05-16
EP1786010B1 EP1786010B1 (fr) 2011-04-27

Family

ID=37603366

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06021102A Active EP1786010B1 (fr) 2005-11-15 2006-10-07 Installation de commutation électrique

Country Status (6)

Country Link
EP (1) EP1786010B1 (fr)
CN (1) CN1971793B (fr)
DE (3) DE102005054842B4 (fr)
DK (1) DK1786010T3 (fr)
NO (1) NO331050B1 (fr)
WO (1) WO2007057164A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2858227A1 (fr) * 2013-10-04 2015-04-08 ABB Technology AG Convertisseurs modulaires de multi-niveaux branchés en parallèle
WO2015028665A3 (fr) * 2013-08-30 2015-08-20 Abb Technology Ag Agencement de convertisseur
CN106683919A (zh) * 2016-12-30 2017-05-17 平高集团有限公司 一种操动机构及使用该操动机构的开关装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104143767B (zh) * 2013-10-31 2016-10-19 国家电网公司 开关设备
EP3089186B1 (fr) 2015-04-30 2019-09-11 General Electric Technology GmbH Appareillage de commutation électrique et procédé de fonctionnement d'un appareil de commutation électrique
CN106783289B (zh) * 2016-12-30 2018-11-02 平高集团有限公司 一种开关装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH480725A (de) 1968-03-29 1969-10-31 Bbc Brown Boveri & Cie Druckgasleitungsschalter der Kesselbauform
DE2351492A1 (de) 1973-10-13 1975-04-24 Ruhrtal Gmbh Schuberder fuer hochspannungsnetze
DE2545938A1 (de) * 1975-10-14 1977-05-05 Ruhrtal Gmbh Hochspannungsschaltgeraet, z.b. schuberder, fuer hochspannungsnetze
JPS5436768U (fr) 1977-08-18 1979-03-10
DE3033633A1 (de) 1980-09-06 1982-04-15 Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen Erdungsschalter
JPH0674012U (ja) 1993-03-17 1994-10-18 株式会社明電舎 ガス絶縁開閉装置
EP0948011A2 (fr) * 1998-03-30 1999-10-06 ABB ADDA S.p.A. Interrupteur pour lignes de puissance électriques à haute tension
GB2349509A (en) * 1999-04-29 2000-11-01 Jacobsen Elektro As Three-phase electrical disconnector

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH480725A (de) 1968-03-29 1969-10-31 Bbc Brown Boveri & Cie Druckgasleitungsschalter der Kesselbauform
DE2351492A1 (de) 1973-10-13 1975-04-24 Ruhrtal Gmbh Schuberder fuer hochspannungsnetze
DE2545938A1 (de) * 1975-10-14 1977-05-05 Ruhrtal Gmbh Hochspannungsschaltgeraet, z.b. schuberder, fuer hochspannungsnetze
JPS5436768U (fr) 1977-08-18 1979-03-10
DE3033633A1 (de) 1980-09-06 1982-04-15 Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen Erdungsschalter
JPH0674012U (ja) 1993-03-17 1994-10-18 株式会社明電舎 ガス絶縁開閉装置
EP0948011A2 (fr) * 1998-03-30 1999-10-06 ABB ADDA S.p.A. Interrupteur pour lignes de puissance électriques à haute tension
GB2349509A (en) * 1999-04-29 2000-11-01 Jacobsen Elektro As Three-phase electrical disconnector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015028665A3 (fr) * 2013-08-30 2015-08-20 Abb Technology Ag Agencement de convertisseur
US9722502B2 (en) 2013-08-30 2017-08-01 Abb Schweiz Ag Converter arrangement
EP2858227A1 (fr) * 2013-10-04 2015-04-08 ABB Technology AG Convertisseurs modulaires de multi-niveaux branchés en parallèle
CN106683919A (zh) * 2016-12-30 2017-05-17 平高集团有限公司 一种操动机构及使用该操动机构的开关装置

Also Published As

Publication number Publication date
DK1786010T3 (da) 2011-07-11
NO331050B1 (no) 2011-09-19
DE202005020524U1 (de) 2006-03-16
CN1971793A (zh) 2007-05-30
DE502006009383D1 (de) 2011-06-09
DE102005054842B4 (de) 2014-09-18
DE102005054842A1 (de) 2007-05-16
NO20064583L (no) 2007-05-16
WO2007057164A1 (fr) 2007-05-24
CN1971793B (zh) 2013-09-18
EP1786010B1 (fr) 2011-04-27

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