EP2273525B1 - Commutateur de puissance électrique - Google Patents

Commutateur de puissance électrique Download PDF

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Publication number
EP2273525B1
EP2273525B1 EP09011746.6A EP09011746A EP2273525B1 EP 2273525 B1 EP2273525 B1 EP 2273525B1 EP 09011746 A EP09011746 A EP 09011746A EP 2273525 B1 EP2273525 B1 EP 2273525B1
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
poles
chambers
dome
housing
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.)
Active
Application number
EP09011746.6A
Other languages
German (de)
English (en)
Other versions
EP2273525A1 (fr
Inventor
David Saxl
Markus Amberg
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 Schweiz AG
Original Assignee
ABB Technology AG
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Filing date
Publication date
Application filed by ABB Technology AG filed Critical ABB Technology AG
Publication of EP2273525A1 publication Critical patent/EP2273525A1/fr
Application granted granted Critical
Publication of EP2273525B1 publication Critical patent/EP2273525B1/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
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/022—Details particular to three-phase circuit breakers
    • 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
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/56—Gas reservoirs
    • 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
    • H01H33/022—Details particular to three-phase circuit breakers
    • H01H2033/024—Details particular to three-phase circuit breakers with a triangular setup of circuit breakers
    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/98—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being initiated by an auxiliary arc or a section of the arc, without any moving parts for producing or increasing the flow

Definitions

  • the invention relates to an electrical, gas-insulated high-voltage circuit breaker according to the preamble of claim 1.
  • Such high-voltage power switches have a number of phases corresponding number of circuit breaker poles, which are arranged in a plane next to each other or at the corners of a triangle.
  • the individual poles can be accommodated in an encapsulation that accommodates all poles or individually in a separate encapsulation.
  • the polyphase circuit breaker poles are mainly used in a kesselelförmigen housing, which is set up vertically, with the inlet and outlet lines are connected transversely to the housing.
  • a switchgear of this kind is for example from the Reference Heidelbergshandbund ABB, 11th edition, 2006, page 504 , Picture 11-3 became known.
  • the circuit breaker poles located in the boiler require a lot Space and accordingly, the amount of the introduced in the metal encapsulation insulating gas is very high.
  • US Pat. No. 3,641,295 shows a multiphase switch having a plurality of juxtaposed poles, which are arranged in a housing made of synthetic material, wherein the housing has three chambers which form tubular switching or extinguishing chambers.
  • the object of the invention is to provide a circuit breaker in which on the one hand space and space and on the other hand also insulating gas is saved.
  • the circuit breaker housing has a number of poles corresponding number of open at their ends chambers, in which the individual poles are arranged.
  • the open ends of the chambers are closed by means of one of the front ends covering dome-like lid.
  • the Fig. 1 shows a longitudinal sectional view through the circuit breaker 10 according to the invention, which has a number of phases corresponding number of circuit breaker poles 11 and 12, of which the circuit breaker pole 11 is shown in sectional view schematically.
  • the switching chamber 13 is shown without built-in parts.
  • In the switching chamber 13 is a fixed contact piece and a movable contact piece, of which the movable contact piece is connected to a shift rod 14 which protrudes from the end of the circuit breaker pole 11, which is the switching chamber 13 opposite.
  • the shift rod 14 is connected to a yoke 15 to which the not shown shift rails of the other circuit breaker poles 12 and 28 are connected to; the third circuit breaker pole 28 is located in front of the cutting plane and is therefore not visible.
  • the yoke 15 has a central part 16, on which arms 17 are formed, at the ends of the shift rails 14 are connected.
  • the central part 16 of the yoke 15 is connected to a transmission rod 18 which is coupled via a thrust feedthrough 19 with a drive 20 which is designed as a hydraulic spring-loaded drive and for the invention is not important, so it will not be described here.
  • the thrust feedthrough 19 for the invention is not essential, so that this thrust feedthrough 19 is not described in detail.
  • circuit breaker poles 11 and 12 also referred to as switching chamber poles, are accommodated in a circuit breaker housing 21, also referred to as a housing 21, which has an elongate shape and is closed at the free, left and right ends by means of a respective dome-shaped cover 22 and 23 , In the lid 22 is the thrust feedthrough 19.
  • the dome-like cover 22, 23 thereby have flanges 24, 25, which are secured with corresponding flanges 26 and 27 on the housing 21.
  • bushings may be provided for gas lines to which, for example, a density monitor or the like can be connected.
  • the safety unit 55 protects the housing 21 of the high-voltage circuit breaker against damage in the event of a malfunction.
  • the Fig. 2 shows a cross-sectional view of the circuit breaker housing 21 and the circuit breaker according to section line II-II (in Fig. 1 ).
  • the switching chamber poles 11 and 12 Within the housing 21 are the switching chamber poles 11 and 12 and the in Fig. 1 non-visible switching chamber pole 28. These three switching chamber poles 11, 12 and 28 are arranged at the corners of an isosceles triangle whose plane spanned by the switching chamber poles 12, 28 lies below and horizontally.
  • the housing 21 is adapted to the switching chamber poles 11, 12 and 28. It therefore has one of the number of switching chamber poles 11, 12 and 28 corresponding number of chambers 29, 30 and 31, which are also associated with each other at the corners of the isosceles triangle on which the switching chamber poles 11, 12 and 28 are arranged.
  • the chamber 29 for the switching chamber pole 11 encloses the switching chamber pole 11 such that the distance between the outer surface of the switching chamber pole 11 and the inner surface of the chamber 29 is dimensioned such that flashovers between the switching chamber pole 11 to the housing 21 are prevented.
  • the chamber 29 is separated from the chamber 31 and 30 respectively by an intermediate wall 32, 33, so that the intermediate walls 32 and 33 each form part of the chamber 29 as well as a part of the chambers 30 and 31 and in a corresponding manner separate all chambers from each other ,
  • the individual chambers 29, 30, 31 are approximately tubular, and in the region of the switching chamber poles 11, 12, 28 itself, a gas connection between the chambers 29, 30 and 31 is not given.
  • the individual chambers 29, 30 and 31 are open towards their free ends and together with the respective chambers 29, 30, 31 covering lids 22, 23 completed.
  • the interiors of the covers 22, 23 thus form the gas connection of the chambers 29, 30, 31 at the two ends of the housing 21st
  • circuit breaker housing 21 between the front ends is formed by individual tubes, which are triangular, as shown in Fig. 3 clearly visible, are placed against each other, wherein in each case two tubes, the chamber 29 and 31 and 29 and 30 respectively via the two common partition walls 32, 33 are connected.
  • the Fig. 1 shows the housing 21 to which perpendicular to the plane defined by the two switching chambers 30 and 31 plane three dome stubs 34, 35 and 36 are formed, of which in the Fig. 2 the Domstutzen 35 is shown in more detail.
  • the dome stub 36 which is similar to the dome stub 34 and 35, is rectangular in cross-section, each two side walls 39 extend perpendicular to the longitudinal extension of the switching chambers 29, 30 and 31, whereas the side walls 39 extend approximately parallel to the longitudinal extent;
  • the side walls 39 open approximately tangentially into the outer surfaces of the chambers 31 and 30 and are tapered together with the side walls 38, so that the cross-sectional area which is parallel to the plane passing through the switching chambers 31 and 30 plane, towards the free end of Side walls 38 and 39 slightly tapered.
  • the side walls 38 and 39 are connected at their free ends to an end wall 40, which closes the dome 36 and thus also the dome 34 and 35 at the top.
  • openings 41, 42 and 43 In the end wall 40 are openings 41, 42 and 43, in which disc or Schott insulators 44, 45 and 46 are inserted gas-tight, which can be connected to connecting lines 47, 48, 49.
  • the connecting lines 47, 48, 49 then lead in a manner not shown to a busbar arrangement.
  • Domstutzens 34 is the same as that of the Domstutzens 36; the insulators and cable bushings used there are therefore not described in detail here.
  • the dome sockets 34, 35 and 36 can each be closed with a cover cover 37 as a blanking cover.
  • cover cover 37 As a blanking cover.
  • the circuit breaker housing 21 is disposed horizontally together with the circuit breaker poles or switching chamber poles 11, 12 and 28 disposed therein and fastened by means of its flanges 26 and 27 via supports 52 on a support frame 53.
  • circuit breaker poles located at the corners of a triangle located at the corners of a triangle.
  • a corresponding solution can also be provided if the individual circuit breaker poles lie in one plane, as in FIG Fig. 4 is shown. These can then be surrounded in the same way by a respective tube as in the arrangement according to the FIGS. 1 to 3 and also three dome sockets 34, 35 and 36 with disc or Schott insulators 34, 35 and 36 have, however, in the Fig. 4 are not shown.

Landscapes

  • Gas-Insulated Switchgears (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Claims (9)

  1. Commutateur de puissance à haute tension à isolement gazeux multiphasé, notamment triphasé, sous blindage métallique, comprenant respectivement un pôle de commutateur de puissance (11), (12), (28) par phase, lesquels sont logés ensemble dans un boîtier de commutateur de puissance (21) commun, et comprenant au moins deux départs de raccordement par phase, le boîtier de commutateur de puissance (21) possédant un nombre de chambres (29), (30), (31) ouvertes au niveau de leurs extrémités frontales qui correspond au nombre de pôles (11), (12), (28) et dans lesquelles sont disposés les pôles (11), (12), (28), caractérisé en ce que les extrémités ouvertes des chambres (29), (30), (31) sont fermées respectivement par un couvercle (22), (23) en forme de dôme qui recouvre l'une des extrémités frontales, de sorte que la liaison gazeuse entre les chambres (29), (30), (31) individuelles soit possible par le biais des espaces de liaison produits par les couvercles (22), (23).
  2. Commutateur de puissance selon la revendication 1, caractérisé en ce que les chambres (29), (30), (31) sont formées par des tubes dans lesquels sont disposés les pôles (11), (12), (28), l'écart entre le diamètre extérieur des pôles (11), (12), (28) et le diamètre intérieur des tubes étant déterminé par la capacité isolante du gaz.
  3. Commutateur de puissance selon l'une des revendications précédentes, caractérisé en ce que les tubes formant les pôles de commutateur de puissance (11), (12), (28) sont également disposés de manière triangulaire les uns par rapport aux autres.
  4. Commutateur de puissance selon l'une des revendications 1 ou 2, caractérisé en ce que les pôles de commutateur de puissance (11), (12), (28) sont disposés dans un plan.
  5. Commutateur de puissance selon l'une des revendications précédentes, caractérisé en ce que les tubes individuels qui forment les chambres (29), (30), (31) sont séparés des voisins respectifs au moyen d'une paroi de séparation commune.
  6. Commutateur de puissance selon la revendication 5, caractérisé en ce que les parois de séparation entre les chambres (29), (30), (31) forment respectivement des parties des tubes.
  7. Commutateur de puissance selon l'une des revendications précédentes, caractérisé en ce que le boîtier de commutateur de puissance (21) possède des embouts en forme de dôme (34), (35) et (36) qui font saillie perpendiculairement à la projection longitudinale du boîtier (21) ou qui sont façonnés sur celui-ci, des ouvertures (41), (42), (43) dans lesquelles peuvent être introduits des isolateurs de cloisonnement étant prévues sur les parois de terminaison (40) libres.
  8. Commutateur de puissance selon la revendication 5, caractérisé en ce qu'il existe un total de trois embouts en forme de dôme (34), (35) et (36), dont l'un des embouts en forme de dôme guide les lignes d'arrivée menant aux pôles de commutateur de puissance (11), (12), (28) et les deux autres à une première ou une deuxième barre-bus, l'embout qui ne possède aucune ligne de raccordement pouvant être fermé ou étant fermé avec une plaque borgne.
  9. Commutateur de puissance selon l'une des revendications précédentes, caractérisé en ce que le couvercle (22), (23) qui se trouve à l'opposé des chambres de commutation (29), (30), (31) proprement dites des pôles de commutateur de puissance (11), (12), (28) possède un passage de translation (19) pour un mécanisme d'entraînement (20) des pôles de commutateur de puissance.
EP09011746.6A 2009-05-20 2009-09-15 Commutateur de puissance électrique Active EP2273525B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009022106 2009-05-20

Publications (2)

Publication Number Publication Date
EP2273525A1 EP2273525A1 (fr) 2011-01-12
EP2273525B1 true EP2273525B1 (fr) 2016-06-15

Family

ID=42546392

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09011746.6A Active EP2273525B1 (fr) 2009-05-20 2009-09-15 Commutateur de puissance électrique

Country Status (4)

Country Link
EP (1) EP2273525B1 (fr)
CN (1) CN201594712U (fr)
HU (1) HUE030600T2 (fr)
UA (1) UA103384C2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016213158A1 (de) * 2016-07-19 2018-01-25 Siemens Aktiengesellschaft Schaltgeräteanordnung
CN113628901A (zh) * 2021-07-05 2021-11-09 平高集团有限公司 一种三相共箱开关

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE695051C (de) * 1934-03-21 1940-08-15 Siemens Schuckertwerke Akt Ges Mehrpoliger Schalter mit Lichtbogenloeschung durch stroemende oder expandierende Gase oder Daempfe
FR2053503A5 (fr) 1969-07-07 1971-04-16 Merlin Gerin

Also Published As

Publication number Publication date
EP2273525A1 (fr) 2011-01-12
CN201594712U (zh) 2010-09-29
HUE030600T2 (hu) 2017-05-29
UA103384C2 (ru) 2013-10-10

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