EP1105898B1 - Sectionneur de puissance haute tension pourvu d'une unite disjoncteur - Google Patents

Sectionneur de puissance haute tension pourvu d'une unite disjoncteur Download PDF

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Publication number
EP1105898B1
EP1105898B1 EP99945882A EP99945882A EP1105898B1 EP 1105898 B1 EP1105898 B1 EP 1105898B1 EP 99945882 A EP99945882 A EP 99945882A EP 99945882 A EP99945882 A EP 99945882A EP 1105898 B1 EP1105898 B1 EP 1105898B1
Authority
EP
European Patent Office
Prior art keywords
flow
quenching gas
extinguishing gas
voltage power
power breaker
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.)
Expired - Lifetime
Application number
EP99945882A
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German (de)
English (en)
Other versions
EP1105898A1 (fr
Inventor
Claudia Wiesinger
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
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Siemens AG
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Filing date
Publication date
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Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1105898A1 publication Critical patent/EP1105898A1/fr
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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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
    • 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
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H2033/888—Deflection of hot gasses and arcing products
    • 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
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas

Definitions

  • the invention relates to a high-voltage circuit breaker according to the preamble of claim 1, such as e.g. known from DE-A-3211272.
  • Another high voltage circuit breaker is for example from the German utility model G 93 14 779.1 and from the German patent application DE 29 47 957 known.
  • the quenching gas flowing through the arc is in the arc area strongly heated and then flows at least partially in the axial direction of the arcing contacts in one Expansion space.
  • the expansion space is through the housing of the switch that for example made of porcelain or a composite insulation material exists, limited.
  • the present invention is therefore based on the object to create a switch of the type mentioned at which the quenching gas after blowing the arc before Outflow into the expansion space is sufficiently cooled.
  • the extinguishing gas By redirecting the extinguishing gas according to the invention by more than 90 ° the extinguishing gas is not directly radially outwards the inner wall of the housing is directed, but flows towards the At least flow into the flow deflection device a backward component partially axially this out. This will make the flow path until it hits extended considerably to the inner wall of the housing. It is therefore sufficient cooling of the extinguishing gas until Impact on the inside wall of the housing.
  • the invention provides that a nozzle body integrated into the flow deflection device is.
  • the extinguishing gas flows out of the flow deflection device out at high speed and thus can distribute effectively in the expansion space.
  • the nozzle body targeted control of the extinguishing gas flow is achieved causing turbulence or backflow of the extinguishing gas in the flow deflector is prevented.
  • a further advantageous embodiment of the invention provides before that the flow deflection device is cylinder symmetrical trained and arranged coaxially to the arcing contacts are.
  • a cylinder-symmetrical design of the flow deflection device is both manufacturing technology and construction particularly advantageous.
  • a further advantageous embodiment of the invention provides before that the nozzle body attached to a cylindrical partition which is the extinguishing gas flow before the redirection of separates the extinguishing gas flow after the deflection.
  • Such a partition prevents the Extinguishing gas flow before the deflection with the extinguishing gas flow after the redirection comes into contact, which leads to turbulence, Mixing and subsequent heating of the Guide the extinguishing gas behind the flow deflector could. It should be the total amount of extinguishing gas through the Flow deflector are forced.
  • the invention can also be advantageously configured in this way that the nozzle body has a convex area, which faces a concave region of the flow deflection device and that between these areas there is an annular gap Nozzle is formed.
  • This construction forms a simple and effective Nozzle to accelerate the flow of extinguishing gas.
  • a further advantageous embodiment of the invention provides before that the deflection in the sense of the extinguishing gas flow an extinguishing gas cooling device in the form of a passage openings having subordinate body.
  • the extinguishing gas flow is by such an extinguishing gas cooling device cooled further. Cooling is said to be related deionization of the present application of the extinguishing gas can be understood.
  • An extinguishing gas cooling device can, for example, by a sponge-like metallic body can be realized that special can be advantageously designed cylindrical symmetrical. It can also be provided that the quenching gas cooling device a further deflection device for the extinguishing gas is arranged downstream is.
  • the Flow deflection device and / or the nozzle body from one Insulating material, especially PTFE or PVDF.
  • the insulating material can, especially if it is PTFE (Polytetrafluoroethylene), also add additional gas, that cools the extinguishing gas.
  • PTFE Polytetrafluoroethylene
  • the figure shows the breaker unit schematically in longitudinal section a high-voltage circuit breaker.
  • FIG. 1 In the figure is an interrupter unit of a high voltage circuit breaker shown with a first, drivable Arcing contact 1, which is a second, fixed Arcing contact 2 faces.
  • the first arcing contact 1 is coaxial from a likewise drivable first one
  • the channel 6 in the form of an annular gap having.
  • a mechanical compression device can also be used be provided for the extinguishing gas, in particular in the case of low-current arcs, an extinguishing gas blast of the Arc ensures.
  • Extinguishing gas flow leads the extinguishing gas to one Flow deflecting device 9, which has a first PTFE body 10 and has a nozzle body 11 also made of PTFE.
  • the nozzle body is attached to a partition 12, which coaxially surrounds the fixed arcing contact 2.
  • the extinguishing gas cooling device 13 is formed by a hollow cylindrical metal braid, which Has openings for the extinguishing gas.
  • the extinguishing gas cooling device can advantageously be made of copper, for example consist.
  • the Flow deflection device 9 deflection of the extinguishing gas flow by about 180 °.
  • the extinguishing gas then flows tangentially past the extinguishing gas cooling device and partly through it therethrough.
  • the passage through the quenching gas cooling device takes place with reduced radial speed instead, so that effective cooling is guaranteed.
  • a further deflection device is located behind the extinguishing gas cooling device 13 14 provided in the form of a cylindrical partition, which a direct discharge of the extinguishing gas from the Extinguishing gas cooling device 13 to the inner wall 15 of the housing 16 prevented.
  • the extinguishing gas can thus enter the expansion space 17 in pre-cooled condition and with reduced radial speed enter.

Landscapes

  • Circuit Breakers (AREA)

Abstract

L'invention concerne un sectionneur de puissance haute tension pourvu d'une unité disjoncteur qui est entourée, avec un certain écartement, par un boîtier (16) étanche aux gaz et rempli d'un gaz d'extinction. Ladite unité disjoncteur présente deux contacts d'arc (1, 2) entre lesquels un arc se produisant lors d'une interruption de courant est soufflé par un dispositif de soufflage (5) qui émet un gaz extincteur qui, ensuite, s'écoule, au moins partiellement, dans le sens axial des contacts d'arc (1, 2). Il est prévu, selon l'invention, que, dans la zone d'écoulement du gaz extincteur, un dispositif de déviation d'écoulement (9, 10, 11), différent du dispositif de soufflage (5), dévie l'écoulement de gaz extincteur de plus de 90°, radialement vers l'extérieur.

Claims (7)

  1. Sectionneur de puissance haute tension comprenant une unité de disjoncteur, qui est entourée à distance d'un boítier (16) étanche au gaz et empli de gaz d'extinction, l'unité de disjoncteur comportant deux contacts (1, 2) d'arc électrique, dont l'un au moins peut être actionné en cas de fermeture et dans lequel un arc électrique se formant éventuellement en cas d'ouverture entre les contacts (1, 2) d'arc électrique est soufflé au moyen d'un dispositif (5, 6) d'insufflation par le gaz d'extinction, qui s'évacue ensuite au moins en partie en direction axiale des contacts (1, 2) d'arc électrique et il est prévu, dans la partie aval du gaz d'extinction, un dispositif (9, 10, 11) de déviation du courant différent du dispositif (5, 6) d'insufflation et destiné à dévier le courant de gaz d'extinction de plus de 90° radialement vers l'extérieur et il est prévu une cloison (18) pour séparer le courant de gaz d'extinction en amont de la déviation du courant de gaz d'extinction après la déviation,
       caractérisé    en ce qu'il est monté sur la cloison (18) un corps (11) de buse qui forme, ensemble avec le dispositif (9, 10, 11) de déviation, un point (12) d'étranglement de buse.
  2. Sectionneur de puissance haute tension suivant la revendication 1, caractérisé en ce que le corps (11) de buse a une partie convexe qui est tournée vers une partie concave du dispositif (9, 10, 11) de déviation du courant.
  3. Sectionneur de puissance haute tension suivant la revendication 2, caractérisé en ce que le dispositif (9, 10, 11) de déviation de courant et la cloison (18) sont cylindro-symétriques et sont disposés coaxialement aux contacts (1, 2) d'arc électrique.
  4. Sectionneur de puissance haute tension suivant l'une des revendications précédentes, caractérisé en ce qu'il est monté, en aval du dispositif (9, 10, 11) de déviation dans le sens du courant de gaz d'extinction, un dispositif (13) de refroidissement du gaz d'extinction sous la forme d'une pièce ayant des ouvertures de traversée.
  5. Sectionneur de puissance haute tension suivant l'une des revendications précédentes, caractérisé en ce que le dispositif (13) de refroidissement du gaz d'extinction est cylindro-symétrique.
  6. Sectionneur de puissance haute tension suivant l'une des revendications précédentes, caractérisé en ce qu'il est monté, en aval du dispositif (13) de refroidissement du gaz d'extinction, un autre dispositif de déviation du gaz d'extinction.
  7. Sectionneur de puissance haute tension suivant l'une des revendications précédentes, caractérisé en ce que le dispositif (9, 10, 11) de déviation du courant et/ou le corps (11) de buse sont en un matériau isolant, notamment en PTFE ou en PVDF (poly(fluorure de vinylidène)).
EP99945882A 1998-07-14 1999-06-30 Sectionneur de puissance haute tension pourvu d'une unite disjoncteur Expired - Lifetime EP1105898B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19832709 1998-07-14
DE19832709A DE19832709C5 (de) 1998-07-14 1998-07-14 Hochspannungsleistungsschalter mit einer Unterbrechereinheit
PCT/DE1999/002031 WO2000004565A1 (fr) 1998-07-14 1999-06-30 Sectionneur de puissance haute tension pourvu d'une unite disjoncteur

Publications (2)

Publication Number Publication Date
EP1105898A1 EP1105898A1 (fr) 2001-06-13
EP1105898B1 true EP1105898B1 (fr) 2002-09-18

Family

ID=7874769

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99945882A Expired - Lifetime EP1105898B1 (fr) 1998-07-14 1999-06-30 Sectionneur de puissance haute tension pourvu d'une unite disjoncteur

Country Status (4)

Country Link
US (1) US6717791B1 (fr)
EP (1) EP1105898B1 (fr)
DE (2) DE19832709C5 (fr)
WO (1) WO2000004565A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7402771B2 (en) 2004-06-07 2008-07-22 Abb Technology Ag Circuit breaker
DE102011083594A1 (de) 2011-09-28 2013-03-28 Siemens Aktiengesellschaft Leistungsschalterunterbrechereinheit
US11862420B2 (en) 2018-11-20 2024-01-02 Siemens Energy Global GmbH & Co. KG Interrupter unit for a circuit breaker

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10156535C1 (de) * 2001-11-14 2003-06-26 Siemens Ag Leistungsschalter
DE10221580B3 (de) * 2002-05-08 2004-01-22 Siemens Ag Unterbrechereinheit eines Hochspannungs-Leistungsschalters
US7292422B2 (en) * 2004-11-29 2007-11-06 Siemens Energy & Automation, Inc. Occupancy-based circuit breaker control
DE502005009041D1 (de) 2005-09-26 2010-04-01 Abb Technology Ag Hochspannungsschalter mit verbesserter Schaltleistung
EP1826792B1 (fr) * 2006-02-28 2008-09-03 ABB Research Ltd Chambre de coupure d'un disjoncteur haute tension avec un volume de chauffage recevant le gaz de soufflage généré par l'arc
EP1835520B2 (fr) 2006-03-14 2013-12-18 ABB Technology AG Chambre d'interruption pour interrupteur haute tension isolé à gaz
DE102006019383A1 (de) * 2006-04-24 2007-10-25 Siemens Ag Unterbrechereinheit eines elektrischen Schaltgerätes
EP1930929B2 (fr) * 2006-12-06 2013-01-30 Abb Research Ltd. Disjoncteur à haute tension avec réservoir métallique rempli d'un gaz diélectrique
DE102008039813A1 (de) * 2008-08-25 2010-03-04 Siemens Aktiengesellschaft Hochspannungs-Leistungsschalter mit einer Schaltstrecke
EP2180492B1 (fr) * 2008-10-22 2013-12-04 ABB Technology AG Chambre de commutation pour un disjoncteur haute tension et disjoncteur haute tension
WO2017032667A1 (fr) 2015-08-21 2017-03-02 Abb Schweiz Ag Dispositif de commutation électrique et procédé de refroidissement d'un milieu de commutation dans un dispositif de commutation électrique
EP3503153B1 (fr) * 2017-12-22 2021-09-01 ABB Power Grids Switzerland AG Disjoncteur haute ou moyenne tension isolé au gaz
RU186667U1 (ru) * 2018-08-27 2019-01-29 Закрытое акционерное общество "Завод электротехнического оборудования" (ЗАО "ЗЭТО") Выключатель с газовой изоляцией
RU186703U1 (ru) * 2018-10-16 2019-01-30 Закрытое акционерное общество "Завод электротехнического оборудования" (ЗАО "ЗЭТО") Высоковольтный выключатель с газовой изоляцией

Family Cites Families (11)

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FR1334851A (fr) * 1961-10-02 1963-08-09 Thomson Houston Comp Francaise Disjoncteur à soufflage de gaz équipé d'un pot d'échappement pour réduire le bruit
CH556602A (de) * 1973-01-12 1974-11-29 Sprecher & Schuh Ag Druckgasschalter.
JPS5438572A (en) * 1977-09-02 1979-03-23 Hitachi Ltd Buffer type gas circuit breaker
DE2819599A1 (de) 1978-05-05 1979-11-08 Licentia Gmbh Elektrischer leistungsschalter mit rotierendem lichtbogen
CH645753A5 (en) * 1979-05-22 1984-10-15 Sprecher & Schuh Ag Gas-blast circuit breaker
CH643087A5 (en) * 1979-11-30 1984-05-15 Sprecher & Schuh Ag Gas-blast circuit breaker
CH655612B (fr) * 1981-09-18 1986-04-30
DE3275041D1 (en) * 1981-09-30 1987-02-12 Sprecher Energie Ag Compressed-gas circuit breaker
NO855379L (no) * 1985-02-27 1986-08-28 Bbc Brown Boveri & Cie Trykkgassbryter.
DE9314779U1 (de) * 1993-09-24 1993-11-25 Siemens Ag Hochspannungs-Leistungsschalter mit einer Kühleinrichtung zur Kühlung des Löschgases
DE19517540A1 (de) * 1995-05-12 1996-11-14 Abb Research Ltd Löschgasabgebender Werkstoff und Druckgasschalter mit einem solchen Werkstoff

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7402771B2 (en) 2004-06-07 2008-07-22 Abb Technology Ag Circuit breaker
CN1965382B (zh) * 2004-06-07 2010-05-05 Abb技术有限公司 功率开关
DE102011083594A1 (de) 2011-09-28 2013-03-28 Siemens Aktiengesellschaft Leistungsschalterunterbrechereinheit
WO2013045235A1 (fr) 2011-09-28 2013-04-04 Siemens Aktiengesellschaft Unité d'interruption de sectionneur de puissance
US9076611B2 (en) 2011-09-28 2015-07-07 Siemens Aktiengesellschaft Circuit breaker unit
US11862420B2 (en) 2018-11-20 2024-01-02 Siemens Energy Global GmbH & Co. KG Interrupter unit for a circuit breaker

Also Published As

Publication number Publication date
WO2000004565A1 (fr) 2000-01-27
DE59902781D1 (de) 2002-10-24
DE19832709A1 (de) 2000-01-27
EP1105898A1 (fr) 2001-06-13
DE19832709C5 (de) 2006-05-11
DE19832709C2 (de) 2000-12-07
US6717791B1 (en) 2004-04-06

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