EP0874430B1 - Eclateur - Google Patents

Eclateur Download PDF

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Publication number
EP0874430B1
EP0874430B1 EP98105689A EP98105689A EP0874430B1 EP 0874430 B1 EP0874430 B1 EP 0874430B1 EP 98105689 A EP98105689 A EP 98105689A EP 98105689 A EP98105689 A EP 98105689A EP 0874430 B1 EP0874430 B1 EP 0874430B1
Authority
EP
European Patent Office
Prior art keywords
spark gap
arc chamber
gap according
electrodes
spark
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
EP98105689A
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German (de)
English (en)
Other versions
EP0874430A3 (fr
EP0874430A2 (fr
Inventor
Peter Dr.-Ing. Zahlmann
Raimund König
Georg Wittmann
Martin Dipl.-Ing. Stuiber
Willibald Duschek
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.)
Dehn SE and Co KG
Original Assignee
Dehn and Soehne GmbH and Co KG
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 Dehn and Soehne GmbH and Co KG filed Critical Dehn and Soehne GmbH and Co KG
Publication of EP0874430A2 publication Critical patent/EP0874430A2/fr
Publication of EP0874430A3 publication Critical patent/EP0874430A3/fr
Application granted granted Critical
Publication of EP0874430B1 publication Critical patent/EP0874430B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel

Definitions

  • the invention relates to a spark gap for use in the Power supply for medium voltage and low voltage networks with two rotationally symmetrical electrodes that are arranged inside a housing and with a arcing space provided between the two electrodes for the arc that arises in the event of a flashover and its follow-up stream (preamble of claims 1 and 2).
  • a such spark gap is known from DE-PS 29 34 236. at all versions of this literature reference the respective arc room as a rollover point the edges or sides of the electrodes. In all versions are disadvantageously the electrical data of the spark gap established. This applies in particular with regard to of the subsequent current extinguishing capacity.
  • Another lack of spark gaps the above Design, but also for other spark gaps, is that due to very different Installation locations and the given there, also different Connection conditions are in the usual today Practice a variety of different designs of the Connection and installation means of spark gaps has resulted.
  • DE-PS 732 002 shows a surge arrester for Use in high voltage technology.
  • Within an elongated, housing-like cylinder tube made of insulating Material is rotationally symmetrical with a pin-shaped one Electrode, followed by a tube from a Heating gas-releasing material and finally at the end of the outer housing tube an approximately pot-shaped Counter electrode provided with a blow-out opening.
  • the electrode and the cup-shaped counter electrode is one such Surge arrester only for use in high voltage technology usable, but not for use in Medium voltage or low voltage networks. This one too Surge arresters are no information for adaptation to given different electrical conditions.
  • the task or problem of the invention is therefore first in the creation of a spark gap that at Use in medium voltage or low voltage networks different electrical conditions-in practice can be.
  • a spark plug formation is concerned provided that both electrodes in the direction of the longitudinal central axis the spark gap in succession and at a distance are arranged from each other so that in the above distance a perpendicular to the aforementioned longitudinal central axis Disc is made of an electrically insulating material, which electrically separate the two electrodes from each other separates, the insulating washer a hollow cylindrical Has interior adapted opening and there the rollover point for the arc that forms the arc space as rotationally symmetrical and to the longitudinal central axis concentric arc chamber for the follow current is formed, which is between the two electrodes located, and that while maintaining the outer dimensions the spark gap the electrically effective length of this Arc chamber can be selected differently.
  • the arc and its Deletion is in contrast to the literature DE 29 34 236 inside into at least the essential components here the spark gap as the electrodes are rotationally symmetrical and concentric to the longitudinal central axis of the spark gap Chamber located. This allows several beneficial ones and structurally easy to implement options for Change the electrically effective length of this chamber. Please refer to the later explanations.
  • the response voltage due to the relatively large distance between the is determined with the invention is the two electrodes
  • Response voltage is relatively small because it is essentially only depends on the thickness of the insulating washer.
  • the invention also includes several possible designs to change the field strength at the rollover point and thus the response voltage.
  • a change in the diameter of the arc chamber can also already in production, i.e. ex factory respectively. In relation to this, this also causes Factory changeable inner diameter of the blow nozzle significant change in the follow current behavior and the surge current behavior.
  • FIG. 1 shows in longitudinal section a spark gap with an electrode 4 and one of the both parts 7, 8 existing counter electrode. This is a preferred in terms of the task and its solution Embodiment of the invention.
  • Both in the embodiment of FIG. 1 and in according to the embodiment to be explained below 1a are all components of the respective spark gap rotationally symmetrical and have the same Central longitudinal axis 11.
  • the cylindrical and concentric to the central longitudinal axis 11 arc chamber 10 is provided with a length L.
  • the arc chamber 10 is surrounded by a spacer, which is also rotationally shaped, in the form of an arc chamber element 2 made of a preferably electrically conductive plastic.
  • this spacer can consist of an insulating material which releases an extinguishing gas when heated.
  • Such an insulating material surrounding the arc chamber releases H 2 under the influence of temperature, which flows radially inwards from all sides, compresses the arc column (radial blowing) and stabilizes the arc in the central longitudinal axis 11.
  • an electrically conductive plastic for the spacer element 2 with an insulating plastic for the insulating disk 9, explained in more detail below, makes it possible to extend the electrically effective length of the arc chamber without changing the response voltage of the overall arrangement, because the response voltage is in this case only depends on the thickness D of the insulating washer 9. This enables a low response voltage to be achieved with a sufficiently long arc chamber length.
  • a third variant for the selection of another electrically effective length of the arc chamber consists in an extension or a shortening of the part 4 "of the electrode 4 on the right in FIG 9 shifted (shortening the electrically effective length L), or else the distance between this end face and the insulating washer 9 is increased (increasing the electrically effective length L of the chamber 10).
  • the insulating washer 9 is between the spacers 2, 6 and part 7 of the electrode 7, 8 are provided.
  • the The insulating washer thus separates the spacers 2, 6 both electrically and mechanically from part 7 of the Electrode 7, 8.
  • 1 shows a graduated one Course of this parting line 12, which also in the rest rotates symmetrically. In the present embodiment the gradation is chosen so that the Area 2 'of the spacer 2 directly on the insulating washer 9 is present. If this spacer 2, the Arc chamber surrounds in its rotationally symmetrical shape, the voltage is made of a conductive material the electrode 4 via the spacer 2 and its area 2 'located next to the arc chamber brought up directly to the insulating material disc 9.
  • the dimensions of one are just an example possible embodiment of a spark gap according to the Invention specified.
  • the total length (measured in the direction the longitudinal central axis 11) can be 50-60 mm.
  • the Length L of the arcing chamber is approx. 5 mm and the thickness D is Insulating washer 0.5 mm. It follows that the out Length of the arc chamber formed by the insulating material, measured is small in the length of the overall arrangement. Since the size D is significantly less than the length L (in the present case Numerical example is D only 1/10 of L), the invention gives that Another advantageous way to set the response voltage vary without changing the total length L + D so that the Deletion properties by lengthening or shortening L be noticeably influenced. By maintaining the measure of D is achieved that the response voltage does not change.
  • both the response voltage and the extinguishing property each to a certain value ex factory be set by appropriate dimensions.
  • the electrode 4 a blind hole 14 with a Have internal thread 15, while the part 8 of the electrode 7, 8 in the form of a nozzle from the housing of the spark gap led out and on its outer circumference with a thread 16 is provided.
  • the threads 15, 16 allow, for example screwing or screwing this spark gap module as a separate single device or as a built-in part Busbars, in housings or on other electrical Components. In particular, this is referred to below given explanation of Figures 3, 4 and 5 referenced.
  • the electrode 7, 8 a cylindrical and also to the central longitudinal axis 11 concentric interior 17, which both in the arc chamber 10th passes as well as open to the outside (to the left in Fig. 1) is. This allows the gases heated by the arc discharged to the outside via the interior 17 (blown out) become.
  • the electrode part 7, 8 designed as a nozzle arises, supported by the rotationally symmetrical Arrangement to the central longitudinal axis 11, a directed gas flow.
  • the hot gases are caused by the fluidic optimized nozzle blown outwards.
  • Usual diversions of the outgoing gas flow are avoided. Such a redirection would have the disadvantage of one Impairment of extinguishing ability.
  • the first electrode part 7 as a burn-resistant insert, preferably made of tungsten copper, manufacture while the second electrode part and at the same time also nozzle element 8 from a less expensive Material, for example brass, can be made.
  • the electrode part 8 At the Exit of the interior 17 and thus on the output side So-called exhaust elements can end the electrode part 8 (not shown in the drawing) are attached, which the temperature of the blown out, hot and highly ionized Reduce gases to such an extent that they Spark gap arrangement no special safety measures must be made.
  • Another advantage in terms of an adaptation from the factory to electrical requirements consists in that by choosing the diameter d of the Interior 17 and the diameter d 'of the arc chamber 10 the surge current carrying capacity and the follow current extinguishing capacity this spark gap can be changed.
  • a downsizing of the Diameter d 'of the chamber 10 improves the follow current flow behavior, while increasing this diameter the follow current behavior deteriorates.
  • a Enlargement of the diameter d of the interior 17 favors the surge performance while reducing of the diameter d deteriorates the impulse behavior.
  • the surge current carrying capacity becomes correspondingly increased because of the pressure development in the arc chamber 10 drops. Because this nozzle electrode is electrically conductive, there is a directional Footpath hike from the inside out and thus one Arc extension.
  • an annular cover element 3 with an 0-ring 5 intended.
  • the cover element 3 holds the outer spacer 6 and press it against the insulating disc 9.
  • Die Electrode 4 is provided with a circumferential collar 18 which the pressing force of the cover element 3 on the spacer 2 transmits.
  • the aforementioned pressure on the cover element 3 is of the bent region 1 'of the metallic here External jacket 1 causes. This bend occurs after previously the components of the spark gap in the metal jacket 1 were introduced, which is on the left in Fig. 1 Support the drawn turn 1 ''.
  • the diameter of the collar 18 of the electrode 4 choose larger than the diameter of the face 19 of the bend 1 'circumscribed circle.
  • the production of the outer jacket from metal has the advantage that it can withstand high mechanical loads and is therefore very robust is. It can also be Bending according to Number 1 'the necessary pressure on the explained Inner parts are exercised.
  • the casing can also be hermetic if required Encapsulation.
  • arc chamber in the embodiment of FIG. 1 10 are located in a side of the insulating washer 9 Area can be the effective length of the Arc chamber also on both sides of the insulating disk 9 be provided.
  • Fig. 1a she owns a two-part arc chamber, the total length L of which composed of the two partial lengths L 'and L " 1 is both the structure of the two Electrodes, as well as the spacers 2, 6 changed.
  • the right electrode initially consists of a Part 4, which also has the bore 14 with internal thread 15 having.
  • Part 4 is made of a conductive material such as Made of brass.
  • He is in touch with the another electrode part 4 ', which is made of a high quality and erosion-resistant material such as tungsten copper is made. This follows in the direction of the one on the left in FIG. 1 a End the aforementioned arc chamber from length L. The circumference of this arc chamber L is surrounded by two Spacers 2, 2 '' and one in between Insulating washer 9. This closes to the left considered, the further electrode 8, which is adjacent to the Arc chamber L 'in one piece with the electrode 7 Bund 7 expires and consistently of a high quality and erosion-resistant material such as tungsten copper. she is on its outwardly projecting nozzle also with a External thread 16 provided.
  • a cover element can be provided, namely not only on the right according to number 3, but also in the drawing Fig. 1a left according to number 3 '. So that is also in this Electrical insulation of both electrodes, namely 4 and 7, 8 with respect to the metallic outer jacket 1 given.
  • the one between the two spacers 2 and 2 '' Isolierstoffen 9 can be an independent Individual part (see drawing). But you can also with the outer spacer 6 are made in one piece.
  • the spacers 2 and 2 '' can advantageously be made electrically conductive plastic exist. Because of Selectability of the field strength between the different spacers 2, 2 '' it is advantageous to determine the thickness D of the Let insulating washer 9 grow towards the edge. The The maximum field strength is then always along the Glide track 13. In addition, through these measures a possible drop in the response voltage after loading prevented. 1a has the further advantage that in the event of a rollover the Material of the two spacers 2, 2 "evenly takes place, which results in an extension of the rollover distance, between the inner surfaces of the Spacers 2, 2 '' along the inner surface of the Isolierstoffumble 9 is located, and thus an increase the response voltage, which results in the aforementioned drop counteracts. If necessary, the in the Spacer 2 "shown on the right in omission come.
  • the electrode 7, 8 is made of plastic made of metallic material
  • the nozzle channel 17th with an opening to the outside. In the area of relative cold, metallic nozzle walls are cooled down are called gases before they come out. With the Invention can also smooth, homogeneous inner walls of the entire arc arrangement may be provided.
  • the arc chamber section D consists of the insulating Plastic of the disc 9.
  • FIG. 2 shows the spark gap according to FIG. 1 in a side view, the nozzle-like electrode part 8 with its External thread 16 for screwing the spark gap to a metallic mounting plate 19 is used.
  • the exit of the Blow-out nozzle 17 is with 17 'and a lock nut for holding the mounting plate 19 is numbered 18.
  • the one provided in Fig. 2 in the upper region of the spark gap Connection consists of a screw socket 20, which in the Internal thread 15 of the electrode 4 is screwed.
  • a screw connector 20 can be a cable lug 21 of a connecting cable 22 are screwed tight by means of a nut 23.
  • a lock nut 24 is also provided here.
  • the protruding one Part of the cover element 3 forms the insulation of the electrical connection to the metal jacket 1.
  • FIG. 3 shows the spark gap arrangement 1 according to FIG. 1 or 1a with a metal jacket. They are in an external device housing 25 made of an insulating material. On Connection 26 of this housing is via a connection bracket 27 and a screw 28 which is in the internal thread 15 of the electrode 4 is screwed, connected to this electrode. Another connection 29 of the outer housing 25 is via a another connection bracket 30 with the nozzle-shaped output of the electrode part 8 connected. For this purpose, the connection bracket 30 a hole with which he over the outwardly projecting Stub the electrode part 8 inserted and through a nut 31 is held firmly on the external thread 16 is screwed on. At the gas outlet 17 there is an exhaust element 32 provided.
  • This exhaust element has the advantage that the spark lines that normally blow out at other necessary “shelter”, or a certain distance bare, live or flammable parts needed, or can significantly reduce.
  • this Exhaust element designed so that the flow rate and thus the mass flow of the escaping gases is reduced. This has a positive effect on that Extinguishing capacity, especially on the current limitation.
  • the device outer housing 25 with its connections 26, 29 thus serves as an installation housing for this spark gap arrangement, their standardized outer contour in this Housing fits. No special mechanical Stresses from the spark gap on the outer housing transfer.
  • the outer casing of the device should be small Have a tendency to leak current.
  • the one formed by the spark gap Module should, especially by means of its metallic Sheathing, no pressure development due to hot gases or the like to the device outer casing 25.
  • the outer casing of the device can be mounted on mounting brackets, i.e. rails mounted or releasably attached.
  • 4a and 5 are accordingly advantageous Connections of such a spark gap at one multi-pole rail arrangement and on a potential equalization rail shown. Otherwise necessary connection and Assembly elements are not required.
  • FIGS. 4 and 4a shows a 3-phase system L1, L2 and L3 with a PE / PEN conductor.
  • There are three spark gaps 1 are provided, the output side with their outstanding electrode part 8 on the conductor rails of the three above Phases are screwed on (see the Side view 4a).
  • the electrodes 4 are on the top Spark gaps short-circuited via a rail 34 and with connected to the PE / PEN rail.
  • the rail 34 can on the Electrode are held by means of a screw connector 20 (See the description of FIG. 2).
  • Fig. 4 schematically shows a cable feed 35 and cable outlets 36, and electrically insulating busbar holder 37 with shown.
  • Such busbar systems are common in switching and distribution systems for building installation technology used. They are shown and described in the Way to equip with spark gaps, the one create lightning-current-compatible installation, including the explained advantages.
  • spark gaps 1 are behind of the invention provided to that of the energy supply company concerned incoming cable 39 or their Busbar connection terminals to a potential equalization rail 38 to turn on.
  • the spark gaps 1 are located thus between the respective busbar 40 and the equipotential bonding rail 38, so that in the event of surges this directly to the equipotential bonding bar be derived.
  • Foundation earth electrode 41 for example, also named 41 Lightning rod, metallic piping 42 one Heating system, a main equipotential bonding conductor 43 and Like. Be connected.
  • equipotential bonding bar 38 a common ground point of the spark gaps 1 in its function as surge arrester and all others to be included in the equipotential bonding Given systems.

Landscapes

  • Spark Plugs (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Prostheses (AREA)
  • Aerials With Secondary Devices (AREA)
  • Led Devices (AREA)
  • Circuit Breakers (AREA)
  • Plasma Technology (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Claims (17)

  1. Éclateur destiné à une utilisation dans l'alimentation électrique, en particulier des réseaux basse tension avec deux électrodes sensiblement opposées à symétrie de révolution, qui sont placées dans l'espace intérieur cylindrique creux d'un boítier standardisé aux dimensions fixes, une chambre à arc étant prévue entre les deux électrodes pour l'arc électrique se formant en cas d'éclatement et pour son courant induit, et une plaque en matière isolante étant prévue,
       caractérisé en ce que, par variation de la longueur (L) d'un élément d'écartement (2) en matériau synthétique conducteur électrique conformé en insert et entourant la chambre à arc, le comportement en extinction du courant induit peut être réglé sans modifier sensiblement les dimensions du boítier, la plaque en matière isolante (9) d'épaisseur (D) variable étant utilisable pour maintenir constante la tension de déclenchement quand la longueur (L) de la chambre à arc varie entre les éléments d'écartement (2) et l'une des électrodes (7), et en ce que l'élément d'écartement (2) est entouré d'un isolateur extérieur (6), le joint de séparation (12) entre l'élément d'écartement (2) et l'isolateur extérieur (6) présentant un profil en gradins afin de réguler l'intensité du champ électrique.
  2. Éclateur destiné à une utilisation dans l'alimentation électrique, en particulier des réseaux basse tension avec deux électrodes sensiblement opposées à symétrie de révolution, qui sont placées dans l'espace intérieur cylindrique creux d'un boítier standardisé aux dimensions fixes, une chambre à arc étant prévue entre les deux électrodes pour l'arc électrique se formant en cas d'éclatement et pour son courant induit, et une plaque en matière isolante étant prévue,
       caractérisé en ce que, par variation de la longueur (L) de deux éléments d'écartement (2, 2") en matériau synthétique conducteur électrique conformés en inserts et entourant la chambre à arc, le comportement en extinction du courant induit peut être réglé sans modifier sensiblement les dimensions du boítier, une plaque en matière isolante (9) d'épaisseur (D) variable étant utilisable pour maintenir constante la tension de déclenchement quand la longueur (L) de la chambre à arc varie entre les éléments d'écartement (2, 2"), et en ce que les éléments d'écartement (2, 2") sont entourés d'un isolateur extérieur (6), le joint de séparation (12, 12") entre les éléments d'écartement (2, 2") et la plaque en matière isolante (9) présentant un profil constamment croissant afin de réguler l'intensité du champ électrique.
  3. Éclateur selon la revendication 2, caractérisé en ce que la chambre à arc est divisée en deux et la longueur totale variable (L) de la chambre à arc résulte des longueurs partielles (L' et L") d'éléments d'écartement en matériau synthétique conducteur électrique (2, 2"), ainsi que de la plaque isolante (9) située entre les éléments d'écartement.
  4. Éclateur selon la revendication 3, caractérisé en ce que la plaque isolante (9) présente une épaisseur (D) qui augmente radialement vers l'extérieur dans la chambre à arc depuis la zone de la voie de glissement (13) qui se forme.
  5. Éclateur selon la revendication 1, caractérisé en ce que le joint de séparation (12) entre l'élément d'écartement (2) et l'isolateur extérieur (6) est en gradins de telle manière que l'élément d'écartement (2) ne s'appuie que par une collerette périphérique (2') contre la plaque isolante (9), la collerette (2') entourant également la chambre à arc (10).
  6. Éclateur selon la revendication 3 ou 4, caractérisé en ce que l'épaisseur (D) de la plaque en matière isolante (9) augmente vers l'extérieur dans la direction radiale, de préférence de manière linéaire.
  7. Éclateur selon l'une des revendications précédentes, caractérisé en ce que les électrodes (4 ; 4, 4' ; 7, 8 ; 7', 8') présentent un axe longitudinal médian (11) commun.
  8. Éclateur selon l'une des revendications précédentes, caractérisé en ce que les électrodes (4, 8 ; 4', 8') sont conformés en pièces de raccordement de préférence avec un filetage (15, 16).
  9. Éclateur selon l'une des revendications précédentes, caractérisé en ce qu'une électrode (7,,8 ; 7', 8') est conformée en buse de purge (17).
  10. Éclateur selon l'une des revendications précédentes, caractérisé par des éléments d'échappement (32) ralentissant les gaz rejetés et en réduisant la température, qui sont prévus à l'extérieur de la buse de purge (17) près de son ouverture (17').
  11. Éclateur selon la revendication 9 ou 10, caractérisé par la possibilité de choisir le diamètre intérieur (d) de la buse de purge (17) afin de modifier la capacité de transport de courant de décharge.
  12. Éclateur selon l'une des revendications précédentes, caractérisé en ce que tous les éléments de l'éclateur sont conformés avec une symétrie de révolution et sont orientés suivant le même axe longitudinal médian (11).
  13. Éclateur selon l'une des revendications précédentes, caractérisé en ce qu'un module formant l'éclateur (1) est inséré et fixé dans un boítier extérieur (25).
  14. Éclateur selon l'une des revendications précédentes, caractérisé en ce que l'une des électrodes présente un trou borgne (14) accessible de l'extérieur avec un filetage intérieur (15), tandis que l'autre électrode opposée (7, 8 ; 7', 8') est réalisée à la manière d'un embout (8) dépassant du boítier (1) de l'éclateur et est munie d'un filetage (16) sur sa périphérie extérieure.
  15. Éclateur selon la revendication 13, caractérisé par un capuchon (33) en matériau synthétique isolant, qui est enfoncé sur une enveloppe métallique du module et qui se trouve entre l'enveloppe et le boítier extérieur (25).
  16. Éclateur selon la revendication 14, caractérisé en ce que, dans le cas d'un montage multiphase de rails de courant (L1, L2, L3) qui sont alimentés par l'intermédiaire d'une arrivée par câble (39), sur chaque rail de courant un éclateur est fixé par l'un de ses raccords filetés, et en ce que l'autre raccord fileté de chacun de ces éclateurs est vissé à un rail de court-circuit ou de terre (34) commun.
  17. Éclateur selon la revendication 14, caractérisé en ce que, dans le cas d'un montage multiphase de rails de courant (L1, L2, L3) avec mise à la terre (PE, PEN), il est prévu à chaque fois un éclateur (1) et cet éclateur est fixé par l'un de ses raccords filetés au rail de courant respectif (40) et par son autre raccord fileté à un rail d'équilibrage de potentiel (34 ; 38).
EP98105689A 1997-04-26 1998-03-28 Eclateur Expired - Lifetime EP0874430B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19717802A DE19717802B4 (de) 1997-04-26 1997-04-26 Funkenstrecke
DE19717802 1997-04-26

Publications (3)

Publication Number Publication Date
EP0874430A2 EP0874430A2 (fr) 1998-10-28
EP0874430A3 EP0874430A3 (fr) 1998-12-16
EP0874430B1 true EP0874430B1 (fr) 2002-07-24

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ID=7827921

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98105689A Expired - Lifetime EP0874430B1 (fr) 1997-04-26 1998-03-28 Eclateur

Country Status (6)

Country Link
US (1) US5963413A (fr)
EP (1) EP0874430B1 (fr)
AT (1) ATE221265T1 (fr)
DE (2) DE19717802B4 (fr)
DK (1) DK0874430T3 (fr)
ZA (1) ZA983489B (fr)

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US6473285B1 (en) 2000-09-13 2002-10-29 Scientific-Atlanta, Inc. Surge-gap end plug
EP1260000A1 (fr) * 2000-11-24 2002-11-27 Dehn + Söhne Gmbh + Co Kg Derivateur de surtension encapsule dote d'au moins un eclateur
DE10060426B4 (de) * 2000-11-24 2004-04-15 Dehn + Söhne Gmbh + Co. Kg Gekapselter Überspannungsableiter mit mindestens einer Funkenstrecke
DE10058977B4 (de) * 2000-11-28 2005-02-10 Dehn + Söhne Gmbh + Co. Kg Mehrpoliger stoßstromfester Überspannungsableiter
DE10125941B4 (de) * 2001-03-13 2009-09-17 Dehn + Söhne Gmbh + Co. Kg Kompaktanordnung für mehrpolige stoßstromfeste Überspannungsableiter
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DE10146728B4 (de) * 2001-09-02 2007-01-04 Phoenix Contact Gmbh & Co. Kg Überspannungsschutzeinrichtung
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DE102004006988B4 (de) 2003-11-28 2014-02-06 Dehn + Söhne Gmbh + Co. Kg Überspannungsschutzeinrichtung auf Funkenstreckenbasis, umfassend mindestens zwei in einem druckdichten Gehäuse befindliche Hauptelektroden
CN1918760A (zh) * 2004-02-02 2007-02-21 合资会社Csd 火花间隙避雷器
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DE102007002429B4 (de) 2006-11-03 2016-03-24 Dehn + Söhne Gmbh + Co. Kg Gekapselter, druckfest ausgeführter blitzstromtragfähiger Überspannungsableiter mit Netzfolgestromlöschvermögen
DE102007015931A1 (de) * 2007-01-04 2008-07-10 Dehn + Söhne Gmbh + Co. Kg Gekapselte, druckfest ausgeführte, nicht hermetisch dichte, rotationssymmetrische Hochleistungsfunkenstrecke
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DE102015115550B4 (de) * 2015-09-15 2018-07-12 Phoenix Contact Gmbh & Co. Kg Überspannungsableiter
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Also Published As

Publication number Publication date
EP0874430A3 (fr) 1998-12-16
DK0874430T3 (da) 2002-10-07
ZA983489B (en) 1999-10-25
DE19717802B4 (de) 2009-09-17
DE59804850D1 (de) 2002-08-29
EP0874430A2 (fr) 1998-10-28
ATE221265T1 (de) 2002-08-15
DE19717802A1 (de) 1998-11-05
US5963413A (en) 1999-10-05

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