EP0959483B1 - Sectionneur de coupure en charge avec une chambre d'extinction - Google Patents

Sectionneur de coupure en charge avec une chambre d'extinction Download PDF

Info

Publication number
EP0959483B1
EP0959483B1 EP99107514A EP99107514A EP0959483B1 EP 0959483 B1 EP0959483 B1 EP 0959483B1 EP 99107514 A EP99107514 A EP 99107514A EP 99107514 A EP99107514 A EP 99107514A EP 0959483 B1 EP0959483 B1 EP 0959483B1
Authority
EP
European Patent Office
Prior art keywords
opening
switch
chamber
switch according
expansion chamber
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
EP99107514A
Other languages
German (de)
English (en)
Other versions
EP0959483A2 (fr
EP0959483A3 (fr
Inventor
Stefan Bünger
Reimund Buhl
Udo Nellen
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.)
Fritz Driescher Kg Spezialfabrik fur Elektrizitatswerksbedarf & Co GmbH
Original Assignee
Fritz Driescher Kg Spezialfabrik fur Elektrizitatswerksbedarf & Co 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
Application filed by Fritz Driescher Kg Spezialfabrik fur Elektrizitatswerksbedarf & Co GmbH filed Critical Fritz Driescher Kg Spezialfabrik fur Elektrizitatswerksbedarf & Co GmbH
Publication of EP0959483A2 publication Critical patent/EP0959483A2/fr
Publication of EP0959483A3 publication Critical patent/EP0959483A3/fr
Application granted granted Critical
Publication of EP0959483B1 publication Critical patent/EP0959483B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • 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
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/08—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H2033/085—Stationary parts for restricting or subdividing the arc, e.g. barrier plate using a flat arc chute, the width of arc chamber being only slightly greater then thickness of switch blade
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/302—Means for extinguishing or preventing arc between current-carrying parts wherein arc-extinguishing gas is evolved from stationary parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/32—Insulating body insertable between contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/342—Venting arrangements for arc chutes

Definitions

  • the invention relates to a switch with extinguishing chamber, in particular Medium-voltage switch-disconnector for voltages between 6 and 36 kV.
  • the knife- or pin-shaped contact or switching pin is between Arranged bodies that release gas when heated (hard gas principle).
  • the pen or knife moves when switching on and off between these bodies.
  • the emanating from the arc resulting when switching off builds on the one hand by heating the air present in the quenching chamber, on the other hand by the evolution of gas pressure, the one Gas flow creates the cool and the arc as fast as possible should delete.
  • German Patent Application Laid-Open 195 40 552 discloses one in one Support insulator integrated extinguishing chamber, each located between the Post insulators of a pole is located.
  • the one in the quenching chamber Switching pin turns off along a straight trajectory pulled out of the quenching chamber. This straight-line movement claims relatively much space, since at least the length to which the switching pin from the Chamber is pulled outside the extinguishing chamber in extension this must be kept free for the switching movements.
  • the invention is based on the problem, a the required shutdown performance resistant, flameproof To build fire chamber, which takes up the least possible space and as universally applicable.
  • the device according to the invention makes it possible to use switch blades into the quenching chamber, so that the quenching chamber to the to meet increased performance requirements, greater could be designed without the space required for switch blades plus extinguishing chamber has risen overall, so that despite performance increase the existing grid dimensions of the switching cells are met can.
  • Existing medium-voltage switching devices can thus be easily retrofitted with the devices of the invention.
  • the quenching chamber according to the invention is designed to that they are for different voltages, for example 12 and 24 kV, can be used. Due to the fact that a quenching chamber for multiple voltage series can be used, arises considerable cost advantage.
  • a quenching chamber 1 which consists of a housing. 2 consisting in a pressure chamber 3 and an expansion chamber. 4 divided by a wall 5 with an opening 6 from each other are separated.
  • the pressure chamber 3 is located on the Expansion chamber 4 side facing away from a fixed contact. 7
  • the expansion chamber 4 has on its wall 5 opposite Side an opening 8 on, which is also in the lower range of Expansion chamber 4 extends and there virtually an additional opening. 9 forms.
  • the openings 8 and 6 serve the passage of the contact tip of a movable switch blade 11 of the secondary flow path through the pressure 3 and the expansion chamber 4 up to the contact 7; the switch blade is held in the on position by a nose 12, which it behind hooked.
  • the switch blade 11 is in Fig. 1a only partially, namely with its contact tip 11a shown, which has a corresponding bent shaft part 11b is connected to the pivot point B, so that the knife turns on and off along a circular path emotional.
  • the cutting knife 11 is flat, as the plan views show shaped.
  • the extinguishing chamber meets the requirements regarding the Number of shutdowns for the mentioned services (voltages and current levels), it was necessary that Extend extinguishing chamber volume, which with the invention in compliance the switch dimensions and maintaining the cell grid in Surprisingly simple manner is achieved in that not only the Contact tip 11a dives into the quenching chamber, but at least partly also the switching or cutting blade shaft 11b.
  • the extinguishing chamber despite the additional opening 9 in the expansion chamber 4 their task, namely the resulting at shutdown Extinguish arc, reliably fulfilled, is the area 9 of the opening 8, so the additional opening in the in Fig. 1a, b shown turned off state by two flaps 14, for example, out Insulant exist, closed.
  • the Flaps 14 movably attached to the bottom of the quenching chamber 1, and at the points C. They each have the form of a Circle segment and overlap in the off state the Close the area of the additional opening 9.
  • they are spring-loaded, so that they without an outer, on they acting force, assume the state shown in Fig. 1b.
  • the Extinguishing plates 10 are in the off state to each other.
  • FIGS. 3a, b This state is shown in FIGS. 3a, b.
  • the flaps 14 are now completely open, so that they release the additional opening 9. They are from the Heidelbergmesserschaft 11 a held in this position, while the Switch blade contact tip 11 a presses the quenching plates 10 apart.
  • the additional opening allows for the crescent-shaped switch blade 11, that his trajectory is largely in the quenching chamber 1, so that at the same space requirement for the quenching chamber 1 according to the invention in comparison to known extinguishing chambers a considerably larger chamber volume is achieved.
  • the closing speed the additional opening 9 can by the shape of the flaps 14 varies and be specially adjusted.
  • the measures according to the invention thus also increase the efficiency the quenching chamber considerably.
  • FIG. 4a, b is another embodiment of an inventive Löschhunt shown, in which the the embodiment according to FIGS. 1 to 3 corresponding parts with the same reference numerals are designated.
  • the embodiment according to FIG. 4a, b differs from the embodiment described above by a another closure mechanism for the additional opening. 9
  • flaps 14 instead of the flaps 14 here is a plate or a strip 15 of insulating material used. This or this is at the contact end of the quenching chamber 1 attached at 16 and closes when turned off the switch the complete additional opening 9.
  • its shaft presses against the plate or strip 15 the action of a spring 17 in the housing 2 in the direction of the attachment point 16, whereby the additional opening 9 is released.
  • the Operation of this embodiment is the same as before . described According to the position of the switch blade 11 is the additional opening area 9 opened by the plate or the strip 15 or closed. In the pressure chamber 3 are accordingly Extinguishing plates 10 provided from heating material gasabstagedem.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Circuit Breakers (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Push-Button Switches (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)
  • Switches With Compound Operations (AREA)
  • Air Bags (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)

Claims (12)

  1. Commutateur à chambre d'extinction (1), en particulier pour sectionneur à coupure en charge moyenne tension, pour des tensions comprises entre 6 et 36 kV, avec
    une lame de commutateur (11) mobile,
    une chambre de pression (3),
    une chambre d'expansion (4) et
    une ouverture (8) partiellement fermable dans la chambre d'expansion (4),
    caractérisé par le fait que l'ouverture partiellement fermable s'étend sur la partie latérale (8) et inférieure (9) de la chambre d'expansion (4), et la partie fermable de l'ouverture dans la zone inférieure de la chambre d'expansion constitue une ouverture supplémentaire (9) qui sert au passage du corps (11b) de la lame de sectionnement et l'ouverture supplémentaire (9) sera fermée par un moins un clapet (14) qui peut pivoter autour d'un axe essentiellement perpendiculaire à la paroi inférieure de la chambre d'expansion (4) dans laquelle l'ouverture supplémentaire (9) est pratiquée.
  2. Commutateur selon la revendication 1, caractérisé par le fait que l'ouverture supplémentaire (9) possède une forme de fente.
  3. Commutateur selon la revendication 1 ou 2, caractérisé par le fait que la largeur de l'ouverture (8, 9) correspond à la largeur de la lame de sectionnement (11).
  4. Commutateur selon l'une des revendications 1 à 3, caractérisé par deux clapets (14) se recouvrant lors de la fermeture.
  5. Commutateur à chambre d'extinction (1), en particulier pour sectionneur à coupure en charge moyenne tension, pour des tensions comprises entre 6 et 36 kV, avec
    une lame de commutateur (11) mobile,
    une chambre de pression (3),
    une chambre d'expansion (4) et
    une ouverture (8) partiellement fermable dans la chambre d'expansion (4),
    caractérisé par le fait que l'ouverture partiellement fermable s'étend sur la partie latérale (8) et inférieure (9) de la chambre d'expansion (4), la partie fermable de l'ouverture constitue une ouverture supplémentaire (9) qui sert au passage du corps (11b) de la lame de sectionnement et l'ouverture supplémentaire (9) sera fermée par une plaque ou une bande (15) déplaçable le long de l'ouverture supplémentaire.
  6. Commutateur selon l'une des revendications 1 à 5, caractérisé par le fait que les clapets (14) ainsi que la plaque ou la bande (15) sont en matériau isolant.
  7. Commutateur selon l'une des revendications 1 à 6, caractérisé par le fait que les clapets (14) ainsi que la plaque ou la bande (15) sont chargés par ressort.
  8. Commutateur selon l'une des revendications 1 à 7, caractérisé par le fait que l'ouverture supplémentaire (9) est ouverte à l'état « en circuit ».
  9. Commutateur selon l'une des revendications 1 à 8, caractérisé par le fait que l'ouverture supplémentaire (9) est fermée à l'état « hors circuit ».
  10. Commutateur selon l'une des revendications 1 à 9, caractérisé par le fait que les clapets (14) ainsi que la plaque ou la bande (15) sont actionnés par la lame de commutateur (11).
  11. Commutateur selon l'une des revendications 1 à 10, caractérisé par une lame de commutateur (11) se déplaçant sur une trajectoire circulaire.
  12. Commutateur selon l'une des revendications 1 à 11, caractérisé par des plaques d'extinction (10) chargées par ressort dans la chambre de pression (3).
EP99107514A 1998-04-20 1999-04-15 Sectionneur de coupure en charge avec une chambre d'extinction Expired - Lifetime EP0959483B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19817444 1998-04-20
DE19817444A DE19817444C1 (de) 1998-04-20 1998-04-20 Schalter

Publications (3)

Publication Number Publication Date
EP0959483A2 EP0959483A2 (fr) 1999-11-24
EP0959483A3 EP0959483A3 (fr) 2000-06-28
EP0959483B1 true EP0959483B1 (fr) 2004-06-16

Family

ID=7865100

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99107514A Expired - Lifetime EP0959483B1 (fr) 1998-04-20 1999-04-15 Sectionneur de coupure en charge avec une chambre d'extinction

Country Status (6)

Country Link
EP (1) EP0959483B1 (fr)
AT (1) ATE269582T1 (fr)
DE (2) DE19817444C1 (fr)
DK (1) DK0959483T3 (fr)
ES (1) ES2224485T3 (fr)
NO (1) NO317119B1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10055416A1 (de) * 2000-11-09 2002-05-29 Siemens Ag Verfahren zum Löschen eines Lichtbogens zwischen zwei Elektroden und mit diesem Verfahren arbeitender Leistungs- oder Lastschalter
EP1803137B1 (fr) * 2004-10-08 2012-12-05 ABB France Dispositif de protection contre les surtensions pourvu de moyens de cisaillement d'arc et procede correspondant
ES2509223T3 (es) 2010-05-31 2014-10-17 Ormazabal Y Cia., S.L.U. Interruptor de corte en gas
US9373617B2 (en) 2011-09-11 2016-06-21 Cree, Inc. High current, low switching loss SiC power module
CN103918079B (zh) 2011-09-11 2017-10-31 科锐 包括具有改进布局的晶体管的高电流密度功率模块
US9640617B2 (en) 2011-09-11 2017-05-02 Cree, Inc. High performance power module
PL2713383T3 (pl) 2012-09-26 2015-04-30 Abb Technology Ag Komora gaszeniowa rozłącznika średniego napięcia
CN108400073B (zh) * 2018-02-26 2019-10-15 西安交通大学 一种基于窄缝拉弧的限流型空气式直流断路器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE652800C (de) * 1934-09-02 1937-11-08 Frida Strauss Geb Ruppel Schalter mit Lichtbogenloeschung durch stroemendes Druckgas
FR1307434A (fr) * 1961-10-13 1962-10-26 Inst Chambre d'extinction pour sectionneurs électriques
FR2034118A1 (fr) * 1969-02-05 1970-12-11 Kesl Karel
US3671697A (en) * 1971-01-07 1972-06-20 S & C Electric Co Switch construction with load break device having a movable slat, a gas expansion chamber and a gas muffler
DE9217024U1 (de) * 1992-12-15 1993-02-04 Fritz Driescher KG Spezialfabrik für Elektrizitätswerksbedarf GmbH & Co, 41844 Wegberg Lasttrennschalter für Mittelspannungsanlagen
DE19522852A1 (de) * 1995-06-23 1997-01-02 Driescher Spezialfab Fritz Löschkammer
DE19540552A1 (de) * 1995-10-31 1997-05-07 Driescher Spezialfab Fritz Trennschalter, insbesondere Mittelspannungs-Lasttrennschalter

Also Published As

Publication number Publication date
DK0959483T3 (da) 2004-10-11
EP0959483A2 (fr) 1999-11-24
EP0959483A3 (fr) 2000-06-28
ES2224485T3 (es) 2005-03-01
ATE269582T1 (de) 2004-07-15
NO991642L (no) 1999-10-21
DE19817444C1 (de) 1999-09-16
NO317119B1 (no) 2004-08-16
DE59909726D1 (de) 2004-07-22
NO991642D0 (no) 1999-04-07

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