EP0865056A2 - Device to improve the insulating gas exchange in a high tension circuit breaker - Google Patents

Device to improve the insulating gas exchange in a high tension circuit breaker Download PDF

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Publication number
EP0865056A2
EP0865056A2 EP98250082A EP98250082A EP0865056A2 EP 0865056 A2 EP0865056 A2 EP 0865056A2 EP 98250082 A EP98250082 A EP 98250082A EP 98250082 A EP98250082 A EP 98250082A EP 0865056 A2 EP0865056 A2 EP 0865056A2
Authority
EP
European Patent Office
Prior art keywords
insulating gas
voltage switch
shift rod
improve
circuit 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.)
Withdrawn
Application number
EP98250082A
Other languages
German (de)
French (fr)
Other versions
EP0865056A3 (en
Inventor
Heiner Marin
Volker Lehmann
Hold Dr. Dienemann
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
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0865056A2 publication Critical patent/EP0865056A2/en
Publication of EP0865056A3 publication Critical patent/EP0865056A3/en
Withdrawn legal-status Critical Current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
    • H01H33/02—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

Definitions

  • the invention relates to an electrical high-voltage switch, its high-voltage switch housing with insulating gas is filled and the one made of insulating material vertically arranged hollow shift rod for transmission has a drive movement with a device for cleaning the insulating gas in the area of the support frame is arranged.
  • Such an electrical high voltage switch is from the EP 0 285 544 known.
  • the insulating gas becomes the cleaning device there supplied by diffusion.
  • the invention is based on the object, a To achieve improvement of the isolation gas cleaning.
  • the object is achieved in that the Shift rod at the top and at the bottom at least one has jacket-side passage opening.
  • the openings at the top and bottom of the Switch rod improve the insulation gas exchange between the different areas of the housing. At Temperature changes result in a temporary temperature difference between the shift rod and the housing. This is due to the temperature difference between the insulating gas inside the shift rod and the insulating gas gas flow caused outside of the shift rod for one Transport of the insulating gas used.
  • the passage openings are circular or are rounded.
  • Circular or rounded through openings impair to a very small extent the compressive or tensile strength of the Shift rod.
  • the figure shows a partial section through a schematic high voltage switch shown.
  • the shift rod 2 leads to a arranged at its upper end, not shown breaker unit.
  • the high-voltage switch housing 1, 5, 6 is mounted on a support frame 3 and has a deflection gear housing 5 on.
  • the crank 4 By means of the crank 4, the driving force, generated by a drive, not shown, on the Transfer shift rod 2 to the breaker unit. That for Cleaning of the insulating gas provided filter material 7 is included in the additional housing 6 and is perforated by a Cover plate 8 held.
  • the switching occurs in the upper area of the high-voltage switch Decomposition products that contaminate the insulating gas.
  • the contaminated insulating gas is through the filter material 7 directed and cleaned.
  • the additional housing 6 with the filter material 7 is for reasons of better accessibility arranged in the region of the support frame 3. So that must Insulating gas from the upper area of the high voltage switch in flow the lower part of the high-voltage switch.
  • the hollow shift rod 2 has at the upper and lower ends round or circular, symmetrically arranged passage openings 9, 10 on. Due to the external temperature fluctuations, e.g. B. by sunlight, clouds, rain, day, Night, etc. there is a temperature difference between the Insulating gas within the shift rod 2 and the insulating gas outside the shift rod 2 due to a delayed temperature change the shift rod 2. An opposite arises Flow of cold and warm insulating gas. This will transport the contaminated insulating gas from the top of the high voltage switch to the bottom High voltage switch area, d. H. in the area of Filter material 7 and vice versa improved.

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  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

An electric high-voltage (HV) switch with its switch housing (1,5,6) filled with insulation gas and including a hollow switching bar or rod (2) made of an insulating material, arranged vertically and used for transmission of a drive movement. Also included is a device for cleaning the insulating gas (6,7,8) and positioned in the region of the support frame (3). The switching bar (2) has on its upper and lower ends at least one side-wall entrance orifice (9,10). More specifically, several entrance orifices (9,10) are arranged radially symmetrically.

Description

Die Erfindung bezieht sich auf einem elektrischen Hochspannungsschalter, dessen Hochspannungsschaltergehause mit Isoliergas gefüllt ist und der eine aus Isoliermaterial bestehende senkrecht angeordnete hohle Schaltstange zur Übertragung einer Antriebsbewegung aufweist mit einer Einrichtung zur Reinigung des Isoliergases die im Bereich des Traggestells angeordnet ist.The invention relates to an electrical high-voltage switch, its high-voltage switch housing with insulating gas is filled and the one made of insulating material vertically arranged hollow shift rod for transmission has a drive movement with a device for cleaning the insulating gas in the area of the support frame is arranged.

Ein derartiger elektrischer Hochspannungsschalter ist aus der EP 0 285 544 bekannt. Dort wird ein elektrischer Hochspannungsschalter beschrieben der ein mit Isoliergas gefülltes Gehäuse, eine Einrichtung zur Reinigung des Isoliergases und eine Schaltstange aufweist. Das Isoliergas wird dort der Reinigungseinrichtung durch Diffusion zugeführt.Such an electrical high voltage switch is from the EP 0 285 544 known. There is an electrical high voltage switch described the one filled with insulating gas Housing, a device for cleaning the insulating gas and has a shift rod. The insulating gas becomes the cleaning device there supplied by diffusion.

Der Erfindung liegt demgegenüber die Aufgabe zugrunde, eine Verbesserung der Isoliergasreinigung zu erzielen.The invention is based on the object, a To achieve improvement of the isolation gas cleaning.

Die Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Schaltstange am oberen und am unteren Ende mindestens eine mantelseitige Durchtrittsöffnung aufweist.The object is achieved in that the Shift rod at the top and at the bottom at least one has jacket-side passage opening.

Die Durchtrittsöffnungen am oberen und am unteren Ende der Schaltstange bewirken eine Verbesserung des Isoliergasaustausches zwischen den verschiedenen Bereichen des Gehäuses. Bei Temperaturwechseln ergibt sich ein vorübergehender Temperaturunterschied zwischen der Schaltstange und dem Gehäuse. Hierbei wird die aufgrund der Temperaturdifferenz zwischen dem Isoliergas innerhalb der Schaltstange und dem Isoliergas außerhalb der Schaltstange bewirkte Gaströmung für einen Transport des Isoliergases ausgenutzt.The openings at the top and bottom of the Switch rod improve the insulation gas exchange between the different areas of the housing. At Temperature changes result in a temporary temperature difference between the shift rod and the housing. This is due to the temperature difference between the insulating gas inside the shift rod and the insulating gas gas flow caused outside of the shift rod for one Transport of the insulating gas used.

Bei einer vorteilhaften Ausgestaltung der Erfindung kann vorgesehen sein, daß bei mehreren Durchtrittsöffnungen diese radialsymmetrisch angeordnet sind.In an advantageous embodiment of the invention can be provided be that with several through openings, these are radially symmetrical are arranged.

Durch eine radialsymmetrische Anordnung der Durchtrittsöffnungen wird die Festigkeit der Schaltstange für radiale Beanspruchungen gleichmäßig gestaltet.Through a radially symmetrical arrangement of the passage openings the strength of the shift rod for radial loads evenly designed.

Bei einer weiteren vorteilhaften Ausgestaltung der Erfindung kann vorgesehen sein, daß die Durchtrittsöffnungen kreisrund oder abgerundet ausgebildet sind.In a further advantageous embodiment of the invention can be provided that the passage openings are circular or are rounded.

Kreisrunde oder abgerundete Durchtrittsöffnungen beeinträchtigen in sehr geringen Maße die Druck- bzw. Zugfestigkeit der Schaltstange.Circular or rounded through openings impair to a very small extent the compressive or tensile strength of the Shift rod.

Im folgenden wird ein Ausführungsbeispiel der Erfindung anhand einer Zeichnung näher beschrieben.An exemplary embodiment of the invention is described below a drawing described in more detail.

Die Figur zeigt einen Teilschnitt durch einen schematisch dargestellten Hochspannungsschalter.The figure shows a partial section through a schematic high voltage switch shown.

Durch einen Stützisolator 1 führt die Schaltstange 2 zu einer an ihrem oberen Ende angeordneten, nicht dargestellten Unterbrechereinheit. Das Hochspannungsschaltergehäuse 1, 5, 6 ist auf einem Traggestell 3 montiert und weist ein Umlenkgetriebegehäuse 5 auf. Mittels der Kurbel 4 wird die Antriebskraft, erzeugt von einem nicht dargestellten Antrieb, über die Schaltstange 2 an die Unterbrechereinheit übertragen. Das zur Reinigung des Isoliergases vorgesehene Filtermaterial 7 ist im Zusatzgehause 6 enthalten und wird durch eine perforierte Abdeckplatte 8 gehalten. Through a support insulator 1, the shift rod 2 leads to a arranged at its upper end, not shown breaker unit. The high-voltage switch housing 1, 5, 6 is mounted on a support frame 3 and has a deflection gear housing 5 on. By means of the crank 4, the driving force, generated by a drive, not shown, on the Transfer shift rod 2 to the breaker unit. That for Cleaning of the insulating gas provided filter material 7 is included in the additional housing 6 and is perforated by a Cover plate 8 held.

Durch das Schalten entstehen im oberen Bereich des Hochspannungsschalters Zersetzungsprodukte die das Isoliergas verunreinigen. Das verunreinigte Isoliergas wird durch das Filtermaterial 7 geleitet und gereinigt. Das Zusatzgehause 6 mit dem Filtermaterial 7 ist aus Gründen der besseren Zugänglichkeit im Bereich des Traggestells 3 angeordnet. Somit muß das Isoliergas vom oberen Bereich des Hochspannungsschalters in den unteren Bereich des Hochspannungsschalters strömen.The switching occurs in the upper area of the high-voltage switch Decomposition products that contaminate the insulating gas. The contaminated insulating gas is through the filter material 7 directed and cleaned. The additional housing 6 with the filter material 7 is for reasons of better accessibility arranged in the region of the support frame 3. So that must Insulating gas from the upper area of the high voltage switch in flow the lower part of the high-voltage switch.

Die hohle Schaltstange 2 weist am oberen und am unteren Ende runde oder kreisrunde, symmetrisch angeordnete Durchtrittsöffnungen 9, 10 auf. Aufgrund der äußeren Temperaturschwankungen, z. B. durch Sonneneinstrahlung, Wolken, Regen, Tag, Nacht, usw. entsteht eine Temperaturdifferenz zwischen dem Isoliergas innerhalb der Schaltstange 2 und dem Isoliergas außerhalb der Schaltstange 2 aufgrund einer verzögerten Temperaturänderung der Schaltstange 2. Es entsteht eine entgegengesetzte Strömung der kalten und warmen Isoliergasanteile. Hierdurch wird der Transport des verunreinigten Isoliergases vom oberen Bereich des Hochspannungsschalters in den unteren Bereich des Hochspannungsschalters, d. h. in den Bereich des Filtermaterials 7 und umgekehrt verbessert.The hollow shift rod 2 has at the upper and lower ends round or circular, symmetrically arranged passage openings 9, 10 on. Due to the external temperature fluctuations, e.g. B. by sunlight, clouds, rain, day, Night, etc. there is a temperature difference between the Insulating gas within the shift rod 2 and the insulating gas outside the shift rod 2 due to a delayed temperature change the shift rod 2. An opposite arises Flow of cold and warm insulating gas. This will transport the contaminated insulating gas from the top of the high voltage switch to the bottom High voltage switch area, d. H. in the area of Filter material 7 and vice versa improved.

Claims (3)

Elektrischer Hochspannungsschalter, dessen Hochspannungsschaltergehause (1,5,6) mit Isoliergas gefüllt ist und der eine aus Isoliermaterial bestehende senkrecht angeordnete hohle Schaltstange (2) zur Übertragung einer Antriebsbewegung aufweist mit einer Einrichtung zur Reinigung des Isoliergases (6,7,8), die im Bereich des Traggestells (3) angeordnet ist, dadurch gekenzeichnet, daß
die Schaltstange (2) am oberen und am unteren Ende mindestens eine mantelseitige Durchtrittsöffnung (9,10)aufweist.Electrical high-voltage switch, the high-voltage switch housing (1,5,6) is filled with insulating gas and which has a vertically arranged hollow switching rod (2) made of insulating material for transmitting a drive movement with a device for cleaning the insulating gas (6,7,8), the is arranged in the region of the support frame (3), characterized in that
the shift rod (2) has at least one passage opening (9, 10) on the jacket side at the upper and lower ends. Elektrischer Hochspannungsschalter nach Anspruch 1, dadurch gekennzeichnet, daß
bei mehreren Durchtrittsöffnungen (9,10) diese radialsymmetrisch angeordnet sind.Electrical high-voltage switch according to claim 1, characterized in that
if there are several through openings (9, 10), these are arranged in a radially symmetrical manner. Elektrischer Hochspannungsschalter nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß
die Durchtrittsöffnungen (9,10) kreisrund oder abgerundet ausgebildet sind.Electrical high-voltage switch according to claim 1 or 2, characterized in that
the passage openings (9, 10) are circular or rounded.
EP98250082A 1997-03-05 1998-03-04 Device to improve the insulating gas exchange in a high tension circuit breaker Withdrawn EP0865056A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1997111123 DE19711123C1 (en) 1997-03-05 1997-03-05 HV switch design for improved insulation gas exchange
DE19711123 1997-03-05

Publications (2)

Publication Number Publication Date
EP0865056A2 true EP0865056A2 (en) 1998-09-16
EP0865056A3 EP0865056A3 (en) 1999-03-31

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ID=7823697

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98250082A Withdrawn EP0865056A3 (en) 1997-03-05 1998-03-04 Device to improve the insulating gas exchange in a high tension circuit breaker

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EP (1) EP0865056A3 (en)
DE (1) DE19711123C1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1154852B (en) * 1957-07-19 1963-09-26 Siemens Ag Electrical compressed air switch with multiple interruption
US3852550A (en) * 1972-09-13 1974-12-03 Westinghouse Electric Corp Non-restricting conductor filtering system for a hi gh-voltage circuit-breaker
EP0285544A1 (en) * 1987-03-31 1988-10-05 Siemens Aktiengesellschaft Compressed gas high-voltage power circuit breaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1154852B (en) * 1957-07-19 1963-09-26 Siemens Ag Electrical compressed air switch with multiple interruption
US3852550A (en) * 1972-09-13 1974-12-03 Westinghouse Electric Corp Non-restricting conductor filtering system for a hi gh-voltage circuit-breaker
EP0285544A1 (en) * 1987-03-31 1988-10-05 Siemens Aktiengesellschaft Compressed gas high-voltage power circuit breaker

Also Published As

Publication number Publication date
EP0865056A3 (en) 1999-03-31
DE19711123C1 (en) 1998-06-10

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