EP3432429B1 - Électrode composée pour parafoudre basse tension à multi éclateurs en série - Google Patents

Électrode composée pour parafoudre basse tension à multi éclateurs en série Download PDF

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Publication number
EP3432429B1
EP3432429B1 EP18020336.6A EP18020336A EP3432429B1 EP 3432429 B1 EP3432429 B1 EP 3432429B1 EP 18020336 A EP18020336 A EP 18020336A EP 3432429 B1 EP3432429 B1 EP 3432429B1
Authority
EP
European Patent Office
Prior art keywords
electrode
series
composite
electrodes
contact
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
EP18020336.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3432429A1 (fr
Inventor
Ming Tao
Anyi Zheng
Jun Zhao
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.)
Xiamen Set Electronics Co Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to PL18020336T priority Critical patent/PL3432429T3/pl
Publication of EP3432429A1 publication Critical patent/EP3432429A1/fr
Application granted granted Critical
Publication of EP3432429B1 publication Critical patent/EP3432429B1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/16—Overvoltage arresters using spark gaps having a plurality of gaps arranged in series
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T2/00—Spark gaps comprising auxiliary triggering means
    • H01T2/02—Spark gaps comprising auxiliary triggering means comprising a trigger electrode or an auxiliary spark gap
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/16—Overvoltage arresters using spark gaps having a plurality of gaps arranged in series
    • H01T4/18—Arrangements for reducing height of stacked spark gaps

Definitions

  • the present invention provides a new configuration for surge arresters with multiple spark gaps in series with compound electrodes.
  • Each spark gap stage consists of a main electrode (4) in non-metallic conductor or alloy, an auxiliary electrode (1) in metallic conductor, and a flexible separating insulator (3), which withstands a very high temperature .
  • the last stage is closed by a main closing electrode (6).
  • the auxiliary electrode (1) is placed in contact with the main electrode (4) by embedding on one side and is followed by the separation insulator (3) on the other side.
  • the main electrodes (4), auxiliary (1), and the insulators (3) of all the stacked spark gaps are arranged between the two clamping plates (2) which are then locked by clips (5).
  • This invention gives a new shape to the main electrode (4) made of non-metallic material or alloy. It is flat on one surface, and has a slightly hollow edge (9) on the other surface. It may be in the form of ⁇ , or C or U, or -, or I, or in circular, or hollow circular, or polygonal, or hollow polygonal form.
  • the main closing electrode (6) retains the same shape as the main electrodes but does not have a hollow edge.
  • the invention introduces an auxiliary electrode (1) in metallic conductor.
  • Said auxiliary electrode (1) may also be in the form of ⁇ , or C or U, or -, or I, or in circular, or hollow circular, or polygonal, or hollow polygonal shape depending on the shape of the main electrode to fit into it. It is therefore placed and clamped between a main electrode (4) and a separation insulator (3).
  • Said metallic conductor electrode comprises the part in contact with the main electrode (7) and a connected connection tab (8) for the connection with a high voltage trigger circuit.
  • the underlined shapes are also applied for the separation insulation (3).
  • the present invention low voltage surge arresters ( ⁇ 1500v) intended for protection against atmospheric and industrial overvoltages. It provides a new configuration for multi-spark arresters in series with compound electrodes.
  • the present invention introduces a metallic conductor electrode following the main electrode (4) of each spark gap stage.
  • This auxiliary electrode (1) in metallic conductor allows both the ignition of the ignition inside the spark gaps at the start of the pulse waves, as well as a low level of protection, and a reinforcement of the extinction of the gas.
  • electric arc thanks to its heat dissipation during the arc. This provides a very strong power to cut the current.
  • Its location between the main electrodes (4) clamped and separated by a flexible insulator (3) allows a long life of the shock current withstand and vibration free at the time of discharge due to electromagnetic force.
  • the present invention is obtained by a compound electrode according to claim 1 and by a surge arrester according to claim 4.
  • the arrester consists of spark gaps stacked in series with compound electrodes.
  • Each spark gap stage consists of a main electrode (4) in non-metallic conductor or alloy, an auxiliary electrode (1) in metallic conductor, and a flexible separation insulator (3), which withstands a very high temperature. .
  • On one side of a main electrode (4) there is a hollow space (9) at the edge thereof, the auxiliary electrode (1) is embedded inside this hollow. The two electrodes are in electrical contact.
  • the number of spark gap stages is determined by the operating voltage.
  • the last stage is closed by a main closing electrode (6).
  • the main electrodes (4), the auxiliary electrodes (1) and the insulators (3) are arranged between the two clamping plates (2) which are then locked by the clips (5).
  • This tightening method supplemented by the surface contact makes it possible to ensure the good contact of the two electrodes, as well as the correct operation of the triggering and to minimize the spark gap ignition voltage.
  • the legs (8) of the auxiliary electrodes (1) in metallic conductor are placed in the same direction for connection with a high voltage trigger circuit.
  • Said main electrode (4) in non-metallic conductor or alloy can be represented either in the form of ⁇ , or C or U, or -, or I, or in circular, or hollow circular, or polygonal, or hollow polygonal. It is flat on one surface, and has a slightly hollow edge (9) on the other surface.
  • the main closing electrode (6) retains the same shape as the main electrodes but does not have a hollow edge.
  • Said electrode in auxiliary conductor (1) in metallic conductor may be represented either in the form of ⁇ , or C or U, or -, or I, or in circular, or hollow circular, or polygonal, or hollow polygonal form depending on the shape of the main electrode to fit into it. It comprises the part in contact (7) "with the main electrode (4) and a connection tab (11) for the connection with a high voltage trigger circuit.
  • Said flexible separating insulator (3) can be represented either in the form of ⁇ , or C or U, or -, or I, or in circular, or hollow circular, or polygonal, or hollow polygonal form.
  • Said main electrode (4) in non-metallic conductor or alloy is arranged on a flat surface and on the other side a recessed part (9) at the electrode edge level.
  • the auxiliary electrode (1) fits into the part of the main electrode (4) hollow (9) and thus comes into electrical contact on the surface therewith.
  • Said metallic conductor auxiliary electrode (1) is made of a metallic material having electrically conductive properties.

Landscapes

  • Thermistors And Varistors (AREA)
  • Emergency Protection Circuit Devices (AREA)
EP18020336.6A 2017-07-20 2018-07-18 Électrode composée pour parafoudre basse tension à multi éclateurs en série Active EP3432429B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18020336T PL3432429T3 (pl) 2017-07-20 2018-07-18 Elektroda kompozytowa do ogranicznika przepięć niskiego napięcia z wieloma iskiernikami połączonymi szeregowo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1770778A FR3069383B1 (fr) 2017-07-20 2017-07-20 Electrode composee pour parafoudre basse tension a multi eclateurs en serie

Publications (2)

Publication Number Publication Date
EP3432429A1 EP3432429A1 (fr) 2019-01-23
EP3432429B1 true EP3432429B1 (fr) 2020-12-23

Family

ID=62683252

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18020336.6A Active EP3432429B1 (fr) 2017-07-20 2018-07-18 Électrode composée pour parafoudre basse tension à multi éclateurs en série

Country Status (5)

Country Link
EP (1) EP3432429B1 (es)
ES (1) ES2869872T3 (es)
FR (1) FR3069383B1 (es)
PL (1) PL3432429T3 (es)
PT (1) PT3432429T (es)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29724817U1 (de) * 1997-12-11 2004-04-29 Obo Bettermann Gmbh & Co. Kg Blitzstromtragfähige Funkenstrecke
DE102012007102A1 (de) * 2012-01-11 2013-07-11 Dehn + Söhne Gmbh + Co. Kg Funkenstrecke mit mehreren in Reihe geschalteten, in Stapelanordnung befindlichen Einzelfunkenstrecken
DE102016114787B4 (de) * 2015-11-09 2022-05-12 Dehn Se Baugruppe mit einer Trägereinheit für in Reihe schalt- und stapelbare Funkenstrecken und einer scheibenförmigen Funkenstreckenelektrode

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
FR3069383B1 (fr) 2023-01-20
FR3069383A1 (fr) 2019-01-25
ES2869872T3 (es) 2021-10-26
PT3432429T (pt) 2021-04-22
EP3432429A1 (fr) 2019-01-23
PL3432429T3 (pl) 2021-11-15

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