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EP1306868B1 - Sectionneur de puissance haute tension à buse isolante - Google Patents

Sectionneur de puissance haute tension à buse isolante Download PDF

Info

Publication number
EP1306868B1
EP1306868B1 EP02090369A EP02090369A EP1306868B1 EP 1306868 B1 EP1306868 B1 EP 1306868B1 EP 02090369 A EP02090369 A EP 02090369A EP 02090369 A EP02090369 A EP 02090369A EP 1306868 B1 EP1306868 B1 EP 1306868B1
Authority
EP
European Patent Office
Prior art keywords
channel
arcing contact
insulating nozzle
arc
nozzle
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.)
Revoked
Application number
EP02090369A
Other languages
German (de)
English (en)
Other versions
EP1306868A1 (fr
Inventor
Ralf Dr. Bergmann
Hold Dr. Dienemann
Volker Lehmann
Heiner Marin
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7859590&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1306868(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP1306868A1 publication Critical patent/EP1306868A1/fr
Application granted granted Critical
Publication of EP1306868B1 publication Critical patent/EP1306868B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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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
    • H01H33/7038—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle
    • 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
    • H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
    • 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
    • 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
    • H01H33/7023—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle

Definitions

  • the invention relates to an insulating nozzle for one High voltage circuit breakers, which at least during a switch-off one between two arcing contact pieces formed switching path surrounds, the insulating nozzle a through channel with a cylindrical Has area that of a relative to the insulating nozzle Movable arcing contact piece during the switch-off process is damned.
  • Such a high-voltage circuit breaker is known, for example, from US 4,342,890.
  • the arcing contact pieces are separated from one another in the axial direction during the switching-off process, whereupon an arcing arises between them in the switching path in many switching cases.
  • This arc heats up the existing extinguishing gas, usually SF 6 , and flows into a boiler room, where it is temporarily stored. From there, the extinguishing gas, which is under high pressure, then reaches the switching path when the current passes through zero and the arc is extinguished accordingly in order to cool it and to prevent the arc from reigniting.
  • the insulating material nozzle is intended to align the flow of extinguishing gas, to accelerate the flow of extinguishing gas and to control it.
  • the through-channel of the insulating material nozzle is closed by an arcing contact piece until the extinguishing position is reached, so that a high quenching gas pressure can initially build up in the switching path, which results in an intensive flow after opening the through-channel.
  • a high-voltage circuit breaker is derived from US Pat. No. 5,483,210 out, which with an insulating nozzle Is provided.
  • the insulating material nozzle surrounds the Switching distance between two relatively movable Arcing contacts.
  • the insulating material nozzle a nozzle constriction, which during a switching operation through one of the arcing contacts, which is relative is movable to the insulating material nozzle, can be damned. By damaging this, the arc becomes an under increased pressure standing gas cushion generated. With the release the nozzle constriction can this gas through the nozzle constriction flow out and cool the arc. additionally this flow is from a piston cylinder assembly supported.
  • a cylinder is relative to one Movable piston, which blows gas against the arc becomes.
  • the relative movement of the piston-cylinder arrangement is determined by driven the switch contact pieces. Due to the a drive with an increased Drive power can be used.
  • the present invention has for its object a Creating an insulating nozzle for a high voltage switch which is increased blowing of the arc with compressed Gas allowed.
  • the object is achieved in that the Length of the cylindrical area at least twice as large is like its diameter.
  • the inventive design of an insulating material nozzle is guaranteed that over a sufficiently long Maintenance of the cylindrical area is maintained for a period of time becomes. This will make the time interval for heating up and compressing the gas by the arc increases. Even if the cylindrical area is extended compared to the known solutions, the arc is still in Blow with gas for a sufficiently long period of time.
  • This also provides a good seal for the through-channel reached by the first arcing contact piece as long as the shaft the cylindrical region of the through-channel blocked.
  • a certain gap width may be provided, however, this gap is so narrow that there is little quenching gas is lost, especially because at least initially a switching off the through channel on a large length is blocked, so that the extinguishing gas over a large length must flow through the gap to enter an expansion space to get. This is by means of a known nozzle practically inaccessible with a local constriction.
  • the length is greater is as three or four times the diameter of the cylindrical Range.
  • the passage channel only opens after one large stroke of the contact pin, so that before training the extinguishing gas flow over a long time a high Can form quenching gas pressure in the heating or compression room.
  • a further advantageous embodiment of the invention provides before that between the end piece and the shaft of the first Arc contact piece provided a conical transition area is.
  • the through-channel on the part facing away from the second arcing contact A conical extension at the end of the cylindrical area having.
  • the figure schematically shows part of the interrupter unit of a high-voltage circuit breaker according to the invention.
  • an insulating circuit breaker housing 18 for example consists of porcelain or a composite material, are two arcing contact pieces 1,2 coaxially opposite.
  • the first arcing contact 1 is stationary or separately drivable, while the second arcing contact piece 2, which has the shape of a tulip contact has, in the direction of arrow 14 for execution an opening movement and in the opposite direction to the execution a switch-on movement can be driven.
  • the second arcing contact piece 2 is an insulating body 3 firmly connected in the form of an insulating material nozzle, which consists of polytetrafluoroethylene.
  • the insulating material nozzle 3 has a through channel 6, which in the on state penetrated and blocked by the first arcing contact 1 is.
  • Radially outside the insulating nozzle 3 and this surrounding are a first continuous current contact piece 13 and a second continuous current contact piece 12 arranged in the on state are also in contact with each other and the Carry rated current.
  • a boiler room 16 is formed, which is via a channel 15 with the through channel 6 of the nozzle or between the Arcing contact pieces 1,2 connected arc space connected is.
  • an arc 4 can arise between the arcing contact pieces 1 , 2, which heats up the quenching gas located in the arcing chamber 5, for example SF 6 , and thus expands it.
  • the quenching gas can then flow into the heating chamber 16 and is temporarily stored there until the arc 4 extinguishes due to a zero crossing of the current to be switched and the quenching gas flows back from the heating chamber 16 through the duct 15 into the arc chamber 5 in order to bring about rapid cooling there and thus prevent the backfire of an arc 4.
  • the through channel 6 is in an essential area 17 of its length cylindrical, so that on the one hand the Damage by the first arcing contact 1 at Switching off continues until there is sufficient extinguishing gas pressure is reached in the arc room 5 or in the heating room 16 and that, on the other hand, there is a large axial overlap of the Shaft 8 with the through channel 6 to an effective seal leads.
  • the second phase of the switch-off movement begins with the separation of the first arcing contact 1 from the second Arcing contact piece 2. Now arises between the arcing contact pieces 1 and 2 an arc that detects the gas in the Arc room 5 heats up and allows expansion. To this At a point in time or somewhat later, the shaft 8 leaves the cylindrical one Area 17 of the through channel 6. This will now only blocked by the end piece 7, so that part of the expanded extinguishing gas the gap between the end piece 7 and the cylindrical region 17 of the through-channel 6 can flow through and so the dielectric problems in the Gap reduced.
  • the extinguishing gas flowing through causes, among other things, the dielectric Solidification of the space between the end piece 7 and the insulating body 3.

Landscapes

  • Circuit Breakers (AREA)

Claims (3)

  1. Buse en matériau isolant, destinée à un sectionneur de puissance à haute tension, qui, au moins pendant une opération de déconnexion, entoure une section de commutation formée entre deux pièces de contact d'arc, la buse en matériau isolant présentant un canal de passage muni d'une zone cylindrique qui, pendant l'opération de déconnexion, est obstruée par une pièce de contact d'arc mobile par rapport à la buse en matériau isolant,
    caractérisée en ce que la longueur de la zone cylindrique est au moins 2 fois plus grande que son diamètre.
  2. Buse en matériau isolant selon la revendication 1, caractérisée en ce que la longueur de la zone cylindrique est au moins trois fois plus grande que son diamètre.
  3. Buse en matériau isolant selon la revendication 1 ou 2, caractérisée en ce que la longueur de la zone cylindrique est au moins quatre fois plus grande que son diamètre.
EP02090369A 1998-02-25 1999-02-05 Sectionneur de puissance haute tension à buse isolante Revoked EP1306868B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19809088 1998-02-25
DE19809088A DE19809088C1 (de) 1998-02-25 1998-02-25 Hochspannungsleistungsschalter mit einer Isolierstoffdüse
EP99915472A EP1064664A1 (fr) 1998-02-25 1999-02-05 Sectionneur de puissance haute tension a buse isolante

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP99915472A Division EP1064664A1 (fr) 1998-02-25 1999-02-05 Sectionneur de puissance haute tension a buse isolante

Publications (2)

Publication Number Publication Date
EP1306868A1 EP1306868A1 (fr) 2003-05-02
EP1306868B1 true EP1306868B1 (fr) 2004-11-10

Family

ID=7859590

Family Applications (2)

Application Number Title Priority Date Filing Date
EP02090369A Revoked EP1306868B1 (fr) 1998-02-25 1999-02-05 Sectionneur de puissance haute tension à buse isolante
EP99915472A Withdrawn EP1064664A1 (fr) 1998-02-25 1999-02-05 Sectionneur de puissance haute tension a buse isolante

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP99915472A Withdrawn EP1064664A1 (fr) 1998-02-25 1999-02-05 Sectionneur de puissance haute tension a buse isolante

Country Status (6)

Country Link
US (1) US6744000B1 (fr)
EP (2) EP1306868B1 (fr)
JP (1) JP2002505501A (fr)
CA (1) CA2321714A1 (fr)
DE (2) DE19809088C1 (fr)
WO (1) WO1999044213A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19948687C1 (de) * 1999-09-30 2001-02-15 Siemens Ag Hochspannungsleistungsschalter
FR2869449B1 (fr) * 2004-04-21 2008-02-29 Areva T & D Sa Appareillage electrique de coupure en moyenne ou haute tension.
EP2099047B1 (fr) 2008-03-03 2012-10-03 ABB Research Ltd Agencement de contact d'usure et disjoncteur
WO2009124582A1 (fr) * 2008-04-07 2009-10-15 Abb Research Ltd Disjoncteur haute tension à isolation gazeuse
AT507257B1 (de) 2008-09-10 2011-08-15 Engel Austria Gmbh Handlingteil für spritzgiessmaschine mit aktiver dämpfung
JP5242461B2 (ja) * 2009-03-06 2013-07-24 株式会社東芝 ガス遮断器
FR2944136B1 (fr) * 2009-04-03 2011-06-10 Areva T & D Sa Chambre de coupure de courant a contact mobile a soufflage d'arc realise integralement par l'interieur de celui-ci, interrupteur by pass hvdc et sous station de conversion hvdc comprenant une telle chambre.
JP5422472B2 (ja) * 2010-04-08 2014-02-19 株式会社東芝 ガス遮断器
RU2483407C1 (ru) * 2011-10-11 2013-05-27 Открытое Акционерное Общество Холдинговая Компания "Электрозавод" (Оао "Электрозавод") Заземлитель для круэ
KR200482939Y1 (ko) * 2012-03-14 2017-03-17 엘에스산전 주식회사 복합소호식 가스개폐기
FR3053524B1 (fr) * 2016-06-29 2018-08-10 General Electric Technology Gmbh Buse a soufflage d'arc electrique et disjoncteur comprenant une telle buse
CN109716476B (zh) * 2016-07-21 2020-06-26 Abb瑞士股份有限公司 具有改进的主喷嘴的气体绝缘高压切换装置
DE102018211621A1 (de) * 2018-07-12 2020-01-16 Siemens Aktiengesellschaft Gasisolierter Schalter
US11462377B2 (en) * 2018-09-07 2022-10-04 General Electric Technology Gmbh Electric arc-blast nozzle made of a material comprising micro-capsules of liquid (CF3)2CFCN and a circuit breaker including such a nozzle
US10734175B1 (en) * 2019-09-24 2020-08-04 Southern States Llc High voltage electric power switch with anti-flashover nozzle
CN112713055A (zh) * 2020-12-09 2021-04-27 平高集团有限公司 高压开关灭弧室用液压双动结构
CN113690093B (zh) * 2021-08-25 2023-01-24 西安西电开关电气有限公司 断路器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH648153A5 (de) * 1979-04-24 1985-02-28 Sprecher & Schuh Ag Druckgasschalter.
CH644969A5 (de) * 1979-09-25 1984-08-31 Sprecher & Schuh Ag Druckgasschalter.
JPH01183024A (ja) * 1988-01-11 1989-07-20 Mitsubishi Electric Corp ガスしや断器
JPH01243328A (ja) * 1988-03-25 1989-09-28 Hitachi Ltd パツフア式ガス遮断器
US5483210A (en) 1994-04-08 1996-01-09 Abb Power T&D Company Inc. Mechanical guidance system for switcher interrupter and method for assembling the same
DE19645524A1 (de) * 1996-11-05 1998-05-07 Abb Research Ltd Leistungsschalter
FR2762925B1 (fr) 1997-05-02 1999-07-09 Gec Alsthom T & D Sa Disjoncteur a haute tension a double mouvement des contacts d'arc

Also Published As

Publication number Publication date
WO1999044213A1 (fr) 1999-09-02
EP1306868A1 (fr) 2003-05-02
DE59911061D1 (de) 2004-12-16
DE19809088C1 (de) 1999-09-30
EP1064664A1 (fr) 2001-01-03
US6744000B1 (en) 2004-06-01
CA2321714A1 (fr) 1999-09-02
JP2002505501A (ja) 2002-02-19

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