EP3131098B1 - Paratonnerre encapsule - Google Patents

Paratonnerre encapsule Download PDF

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Publication number
EP3131098B1
EP3131098B1 EP15180760.9A EP15180760A EP3131098B1 EP 3131098 B1 EP3131098 B1 EP 3131098B1 EP 15180760 A EP15180760 A EP 15180760A EP 3131098 B1 EP3131098 B1 EP 3131098B1
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EP
European Patent Office
Prior art keywords
surge arrester
columns
housing
column
intermediate piece
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
EP15180760.9A
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German (de)
English (en)
Other versions
EP3131098A1 (fr
Inventor
Markus Sulitze
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
Priority to EP15180760.9A priority Critical patent/EP3131098B1/fr
Priority to JP2016157060A priority patent/JP6343309B2/ja
Priority to KR1020160102369A priority patent/KR102014247B1/ko
Publication of EP3131098A1 publication Critical patent/EP3131098A1/fr
Application granted granted Critical
Publication of EP3131098B1 publication Critical patent/EP3131098B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12—Overvoltage protection resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12—Overvoltage protection resistors
    • H01C7/123—Arrangements for improving potential distribution
    • 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
    • H01T4/06—Mounting arrangements for a plurality of overvoltage arresters

Definitions

  • the invention relates to an overvoltage arrester encapsulated by a fluid-tight housing according to the preamble of patent claim 1.
  • Surge arresters are protective systems, for example, for switchgear, which in the event of overvoltages caused by lightning strikes or malfunctions of other subsystems dissipate these overvoltages to ground and thus protect other components of the switchgear.
  • Such a surge arrester comprises one or more active parts, each having a column constructed from individual cylindrical discharge elements.
  • Discharge elements are characterized by a voltage-dependent resistance. At low voltages these act as insulators. From a certain threshold voltage, which is material-dependent, they show a good conductivity. Often diverters are made of metal oxides such as zinc oxide.
  • the column is bounded at both ends by end fittings, which establish electrical contact with the switchgear and ground. To ensure a good electrical contact even under mechanical load, the active part must be held together under pressure. This can be done by tension members, for example, a pipe, ropes or rods are preferably clamped in glass fiber reinforced plastic in the end fittings under train. The tension elements surround the column.
  • the housing is to increase the dielectric strength with a fluid, usually sulfur hexafluoride, filled.
  • the housing is made of a conductive material such as a metal and is electrically grounded.
  • An end fitting of the active part is grounded via a contact made through the housing.
  • the other end fitting is electrically connected via a passage with a contact located on the outside of the housing, which serves to connect to the switchgear.
  • the surge arrester must be disconnected from the switchgear because of the high voltages which then occur. Otherwise, the surge arrester would divert the voltage to ground and the measurement result would be corrupted.
  • the separation of the switchgear can be done by an electrical connection is disconnected inside the housing.
  • the housing must be opened, with sulfur hexafluoride exits.
  • surge arresters are equipped with a disconnecting device that allows the active part to be electrically disconnected from the switchgear without opening the housing.
  • Such surge arresters are known for example from the DE 10 2011 077 394 A1 , There, a one-column active part is arranged in a fluid-tight housing. A movable control hood serves as a separator. For high voltages, however, the active part can be up to several meters long.
  • a surge arrester in an insulating housing in which an active part of three electrically interconnected columns is constructed.
  • the three columns are divided by porcelain slices into column sections.
  • the connection between the columns is made by metallic plates on the porcelain discs.
  • the disadvantage of this is that such a surge arrester is difficult to assemble, and that it has no separator.
  • a disadvantage of the known prior art is that surge arresters for high voltages are either very long and simple or compact and complex and therefore expensive to assemble. An additional separator makes the structure even more complicated.
  • Object of the present invention is to provide a compact surge arrester, which has a separator and which is easy to manufacture.
  • a surge arrester which has an active part arranged in a fluid-tight housing.
  • the housing is made of an electrically conductive material and is grounded in the operating state.
  • the active part comprises a plurality of discharge elements arranged between two end fittings, which are stacked to form at least three columns arranged next to one another and parallel to one another. The columns extend in a vertical direction.
  • a plurality of vertically spaced intermediate pieces are inserted into the columns in such a way that each intermediate piece is penetrated by a column section of a first column which produces an electrical longitudinal connection.
  • each spacer divides second and third columns into vertically spaced column sections.
  • the intermediate piece is designed such that there is an electrical cross connection between horizontally arranged side by side column sections of the second and third columns together.
  • first, second and third pillar refers to a specific intermediate piece.
  • a column which is referred to as a first column in relation to a first intermediate piece, can be regarded as the second column or else as the third column in relation to a second intermediate piece.
  • the housing has a high voltage feedthrough, which leads an electrical connection against the housing isolated from the outside into the housing.
  • One of the end fittings is connectable by means of a contact pin with the high voltage bushing.
  • the contact pin is displaceable in the vertical direction by means of a separable from outside the housing separating device such that the connection between the end fitting and the high-voltage feedthrough is separable.
  • the intermediate pieces mean that a current path is meandered through all columns of the active part.
  • a corresponding active part is only about one-third as long as a one-lane active part of the same voltage class and very compact.
  • the spacers allow easy installation, as they are inserted only when stacking the diverting at specific intervals in the columns.
  • the separator allows easy separation of the active part from the switchgear without opening the housing.
  • the separating device has a push rod connected to the contact pin and an axis of rotation connected to an actuating device arranged outside the housing. Push rod and rotation axis are coupled together by a threaded nut.
  • a separation device is particularly simple and easy to assemble.
  • the threaded nut is preferably in a passage opening, at least one, more preferably a plurality of intermediate piece or intermediate pieces guided such that the threaded nut is mounted rotationally and vertically movable in the / the intermediate piece / s.
  • the passage opening is arranged centrally in the intermediate piece.
  • the active part on three columns, which are arranged in an equilateral triangle.
  • the intermediate piece has a mirror symmetry with respect to a horizontal axis. Such a geometric arrangement of the columns is particularly compact. It allows the arrangement of the separator in its geometric center.
  • the mirror-symmetrical intermediate pieces which are made possible thereby allow a single type of intermediate pieces to be inserted at different points of the active part. The intermediate pieces only need to be rotated about a vertical axis.
  • an intermediate piece encompasses all three columns from the outside. This preferably applies to all intermediate pieces. The spacers thus stabilize the arrangement of columns horizontally, which also facilitates assembly.
  • the end fittings are connected to each other by means of several tension elements. At least some, that is to say at least two, preferably three, of these tension elements are enclosed horizontally by the intermediate pieces.
  • the spacers thus have openings through which the tension members pass. This allows, in particular in a triangular arrangement, to arrange tension elements between the columns, which increases the stability of the active part.
  • the tension elements are in one piece, particularly preferably designed as a one-piece rod, wherein the ends of the one-piece tension elements are clamped in the Endarmturen.
  • a plurality of tie rods are arranged horizontally outside the intermediate pieces such that they support the intermediate pieces from the outside. This stabilizes the active part horizontally and facilitates assembly.
  • each of the three columns is surrounded by a plurality, preferably at least four tension elements, wherein in each case at least one tension element is arranged between two pillars, and these two pillars share this tension element.
  • each column is surrounded by exactly four tension elements, then three of the tension elements are arranged inside, ie between two columns and six tension elements are arranged outside, ie outside a circle circumscribing the columns horizontally outside.
  • an active part with three columns can be built with only 9 tension elements, which greatly simplifies the construction.
  • each intermediate piece has an insulated plate and a contact plate resting thereon for producing the transverse connection.
  • the insulating plate can be manufactured inexpensively from cast resin, for example, the contact plate, which is electrically conductive and has a high current carrying capacity, can be produced as a stamped part made of aluminum or steel.
  • an electrically conductive layer is applied to the insulating plate on a bearing surface of the contact plate.
  • an electrically conductive layer for example, as a conductive paint, applied previously. This conductive layer prevents partial discharges to any unevenness in which the contact plate is not completely flat on the insulating plate and thereby air or insulating fluid is trapped.
  • a bead on the insulating plate delimits the contact surface of the contact plate.
  • the bead extends from the front side of the insulating plate in the vertical direction.
  • the bead serves as a horizontal guide of the column sections, thus facilitating the assembly.
  • the electrically conductive layer extends at least partially onto the bead.
  • the conductive layer thus extends from the horizontal along the bead in the vertical direction on the inside of the bead.
  • the conductive layer thus forms a kind of trough, in which the contact plate is located. The edges of the contact plate are thereby effectively shielded, so that partial discharges are avoided by the peak effect.
  • FIG. 1 shows a partial sectional view of a surge arrester according to the invention 1.
  • an active part 3 is arranged in a fluid-tight housing 2.
  • the housing 2 extends substantially cylindrically along a longitudinal axis 30 defining a vertical direction. directions perpendicular to the longitudinal axis 30 are horizontal directions.
  • the housing 2 is made of an electrically conductive material and is grounded when installed in a switchgear.
  • the housing 2 is provided on a high-voltage side with a high-voltage bushing 6, which produces an electrical connection from outside the housing 2 into the interior of the housing 2.
  • a bushing insulator 17 insulates the high voltage bushing 6 against the housing 2.
  • the housing 2 On an earth side, the housing 2 is closed with a housing cover 8.
  • a rotation axis 21 Through the housing cover 8 on the one hand a rotation axis 21, on the other hand, an electrical ground connection 25 shown only schematically. Both are fluid-tightly guided through the housing cover 8, the electrical ground connection 25 is also electrically isolated from the housing cover 8.
  • an active part 3 is arranged.
  • the active part 3 comprises a plurality of columns 100, 200, 300, of which the column 300 is not visible because of the sectional view.
  • the columns 100, 200, 300 are each constructed of stacked discharge elements 4.
  • In the columns 100, 200, 300 vertically interposed intermediate pieces 5 are inserted.
  • On the high voltage side, the active part 3 is limited by an end fitting 7.
  • a contact pin 10 is electrically connected to the end fitting 7, for example via contact blades 14, and guided in this movable in the vertical direction.
  • the high voltage bushing 6 has on the inside of the housing 2 a contact socket 12 with a bore. In the operating state of the surge arrester 1, one end of the contact pin 10 is inserted into this bore.
  • Contact blades 14 provide an electrical connection between the contact pin 10 and contact socket 12.
  • the active part 3 is connected via its end fitting 7, the contact pin 10 and the contact socket 12 with the high-voltage bushing 6. If the surge arrester 1 installed in a switchgear, thereby the electrical contact of the active part 3 is made to the switchgear.
  • the active part 3 may be limited by a similar end fitting, but this is formed by the housing cover 8. Between the end fittings, or, as shown here, between the end fitting 7 and the housing cover 8 tension elements 9 are stretched, which hold the columns 100, 200, 300 together under train.
  • the end fitting 7 is electrically connected to a column 300 by means of a (not visible here) contact disk 15.
  • the columns 100, 200 are electrically insulated from the end fitting 7 by insulating discs 13.
  • the terminal discharge element 4 of the column 100 is connected to the earth connection 25.
  • the earth connection 25 is electrically insulated against the cover 8 by means of a passage, not shown, passed therethrough.
  • All columns 100, 200, 300 are insulated against the housing cover 8 by means of insulating discs 13.
  • the active part 3 can be separated from the high-voltage bushing 6.
  • the separating device 20 comprises an actuating device 24 which is arranged outside the housing 2 and which can be designed manually or electromotively, a rotation axis 21 which is driven by the actuating device 24 and guided in a fluid-tight manner through the housing cover 8 into the housing 2, a push rod 22 and a with this connected pin 10 push rod 22 and rotation axis 21 are coupled by means of a gear, which is designed here as a threaded nut 23.
  • the transmission converts a rotational movement of the rotation axis 21 into a linear movement of the push rod 22 along the longitudinal axis 30.
  • the threaded nut 23 is rotationally mounted in an opening of one or more intermediate pieces 5 and in vertical Directed. In order to avoid tilting of the threaded nut 23, it is advantageous if it is guided in at least two intermediate pieces 5.
  • the threaded nut 23 transmits its movement in the vertical direction on the push rod 22, which in turn moves the contact pin 10 in the same way until finally the contact pin 10 is moved out of its leadership in the contact socket 12 and thus the electrical connection to the high-voltage bushing 6 is disconnected.
  • the active part 3 is no longer electrically connected to the high-voltage bushing 6. If the surge arrester 1 is installed in a switchgear, thereby the active part 3 is disconnected from the switchgear. The switchgear can then be tested. After the end of the tests, by an opposite actuation of the actuator 24, the electrical connection is restored by moving the contact pin 10 back to its initial position in the contact socket 12. The surge arrester 1 is then ready for operation again.
  • FIG. 2 shows a schematic representation of an active part 3 of a surge arrester according to the invention, in particular the electrical interconnection of the diverting 4, 40.
  • the illustrated active part 3 corresponds to that FIG. 1 , however, is shown in a very schematic way.
  • the triangular arrangement FIG. 1 is shown unfolded here for a better representation of the interconnection in a plane.
  • the active part 3 is composed of three columns 100, 200, 300.
  • the column 100 corresponds to the left, the column 200 to the right of the two visible columns in the FIG. 1 ,
  • the column 300 is in the FIG. 1 covered.
  • Each column 100, 200, 300 has a plurality of stacked diverting elements 4, 40, 41, 42, 43, of which only a few are provided with reference numerals.
  • Each column 100, 200, 300 is divided by several intermediate pieces 5, 50 into individual column sections 101, 102, 201, 202, 301.
  • the individual diverting elements 4, 40, 41, 42, 43 of all columns 100, 200, 300 are directly or indirectly electrically connected to each other. It is with a direct connection of two diverting elements 4, 40, 41, 42, 43rd a direct electrical contact of two diverting elements 4, 40, 41, 42, 43 with each other or an electrical connection by means of a good electrical conductor, for example a metal.
  • An electrical connection comprising further diverting elements 4, 40, 41, 42, 43 would be regarded as indirect within the meaning of the invention.
  • the diverting element 41 is electrically connected directly to both diverting elements 42. In one case by direct contact, in the other by the contact plate 52. With the two Ableitmaschinen 43, the discharge element 41 is connected only indirectly, because in the current path 11 between these each further diverting elements 4, 42 are arranged.
  • the three columns 100, 200, 300 of the active part 3 each extend in the vertical direction and are arranged in parallel in the horizontal direction in an equilateral triangle.
  • the intermediate pieces 5, 50 of the current path 11 meandering through all diverting elements 4, 40, 41, 42, 43 of all three columns 100, 200, 300 of the active part 3 is performed.
  • the intermediate pieces 5, 50 are inserted in the vertical direction spaced from each other in the columns 100, 200, 300.
  • Each intermediate piece 5, 50 divides the columns 100, 200, 300 into two column sections 101, 102, 201, 202, 301, respectively.
  • the intermediate piece 50 divides the column 100 into the column sections 101, 102. These are vertically separated from one another by the intermediate piece 50 spaced apart on opposite sides of the intermediate piece 50.
  • the intermediate piece 50 divides the column 200 into the column sections 201, 202.
  • the column section 301 of the column 300 passes through the intermediate piece 50 and establishes an electrical longitudinal connection to the adjacent intermediate pieces 5.
  • Each intermediate piece 5, 50 has a disk-like insulating plate 51 made of an electrically insulating material, for example cast resin.
  • a contact plate 52, 53 On opposite surfaces of the end faces of the intermediate piece 5, 50 is in each case a contact plate 52, 53, for example of a conductive material such as aluminum, applied.
  • These Contact plate 52, 53 respectively establishes an electrical cross connection between column sections of different columns.
  • the contact plate 52 establishes an electrical cross-connection between the column portion 101 of the column 100 and the column portion 201 of the column 200.
  • the intermediate piece 50 does not produce any electrical connection, since the corresponding points of its end face have an electrically insulating effect.
  • a contact plate 53 is also applied. This electrically connects the column sections 102 of the column 100 and 202 of the column 200 with each other.
  • the intermediate piece 50 has a passage opening 55, which is penetrated by the column section 301 of the column 300.
  • FIGS. 3 and 4 show details of the surge arrester 1 from the FIG. 1 ,
  • the FIG. 4 shows how the threaded nut 23 is guided in a central opening 57 of the intermediate piece 5.
  • the threaded nut 23 has a substantially triangular cross-section.
  • the cross section of the central opening 57 is designed such that the threaded nut 23 at several points with its lateral surface on the inside of the central opening 57 of the intermediate piece 5 is supported so that it is rotationally mounted in the intermediate piece 5.
  • the threaded nut 23 is movable. It is guided horizontally in its movement of at least two spacers 5, whereby tilting is prevented.
  • the central opening 57 is also designed so that between each two columns 100, 200, 300 arranged tension elements 9 extend therethrough.
  • the intermediate pieces 5 can be easily threaded onto the tension elements 9 during assembly. Further tension elements 9 run outside of the intermediate pieces 5. They are arranged so that they support the intermediate pieces 5 from the outside and thus stabilize the active part 3 in the horizontal direction.
  • the intermediate pieces 5 are designed so that they surround all three columns 100, 200, 300 from the outside. On the outside, the intermediate pieces 5 are delimited by a peripheral bead 56 of the insulating plate 51.
  • the bead 56 extends in the vertical direction from each end face of the insulating plate 51. The bead 56 thus provides a guide in the horizontal direction for the discharge elements 4th
  • a contact plate 52, 53 is placed on part of the end face of the insulating plate 51.
  • Each of the contact plates 52, 53 connects the bearing surfaces of the diverting elements 4 of two columns, here 100 and 200, to each other and thus establishes an electrical connection of these columns with each other.
  • the entire support surface is framed by the bead 56, so that the support surface forms a limited by the bead 56 recess.
  • the bearing surface of the contact plates 52, 53 on the insulating plate 51 are provided with a conductive layer 54, for example, a conductive paint. This layer 54 also extends partially in the vertical direction along the bead 56, thus providing electrical shielding of the edges of the contact plates 52, 53.
  • the layer 54 also prevents partial discharges that may otherwise result from unevenness at which the insulator 51 and contact plate 52, 53 do not completely rest on each other and enclose an air bubble.
  • the layer 54 causes such air bubbles are surrounded by areas of the same potential, so that no partial discharges can occur.
  • the intermediate pieces 5 are designed mirror-symmetrically to a horizontal mirror axis 60 which extends centrally through the passage opening 55.
  • the contact plates 52, 53 are thus also mirror-symmetrical to this axis 60th
  • FIGS. 5 and 6 show an exploded view of a simplified active part 3. For better illustration here are in particular the tension elements 9 and the separator 20 omitted.
  • the intermediate pieces 5 are also shown simplified, in particular they are shown without through-holes 55 and the central opening 57.

Claims (11)

  1. Parafoudre (1), comprenant une partie active, qui est disposée dans une enveloppe (2) étanche au fluide entre deux armatures (7) d'extrémité et qui a plusieurs éléments (4, 40, 41, 42, 43) de décharge, qui sont disposés les uns à côté des autres suivant au moins trois colonnes (100, 200, 300) parallèles,
    dans lequel plusieurs pièces (5, 50) intermédiaires, à distance verticalement, sont insérées dans les colonnes (100, 200, 300), de manière à ce que chacune soit traversée par un tronçon (101, 102, 201, 202, 301), produisant une liaison électrique longitudinale, d'une première colonne (100, 200, 300),
    et subdivise une deuxième et une troisième colonne (100, 200, 300) en des tronçons (101, 102, 201, 202, 301) de colonne à distance verticalement, la pièce (5, 50) intermédiaire produisant une liaison électrique transversale entre des tronçons (101, 102, 201, 202, 301), disposés les uns à côté des autres horizontalement, des deuxième et troisième colonnes (100, 200, 300),
    l'enveloppe (2) ayant une traversée (6) de haute tension, qui fait aller une liaison électrique, isolée vis-à-vis de l'enveloppe (2), de l'extérieur dans l'enveloppe (2) et une armature (7) d'extrémité peut être reliée électriquement à la traversée (6) de haute tension au moyen d'une broche (10) de contact,
    caractérisé en ce que
    la broche (10) de contact peut, au moyen d'un dispositif (20) de séparation pouvant être actionné de l'extérieur de l'enveloppe (2), coulisser dans la direction verticale, de manière à pouvoir séparer la liaison entre l'armature d'extrémité et la traversée (6) de haute tension.
  2. Parafoudre (1) suivant la revendication 1,
    caractérisé en ce que
    le dispositif (20) de séparation a un poussoir (22) relié à la tige (10) de contact et un axe (21) de rotation relié à un dispositif (24) d'actionnement disposé à l'extérieur de l'enveloppe (2), le poussoir (22) et l'axe (21) de rotation étant couplé entre eux par un écrou (23) taraudé.
  3. Parafoudre (1) suivant la revendication 2,
    caractérisé en ce que
    l'écrou (23) taraudé est guidé dans une ouverture (55) de passage d'au moins une pièce (5, 50) intermédiaire, de manière à monter l'écrou (23) taraudé fixe en rotation et mobile verticalement par rapport à la pièce (5, 50) intermédiaire.
  4. Parafoudre (1) suivant l'une des revendications 2 à 3,
    caractérisé en ce que
    la partie (3) active a trois colonnes (100, 200, 300) disposées suivant un triangle équilatéral, la pièce (5, 50) intermédiaire étant symétrique, comme en un miroir, par rapport à un axe (60) horizontal.
  5. Parafoudre (1) suivant la revendication 4,
    caractérisé en ce qu'
    au moins une pièce (5, 50) intermédiaire entoure de l'extérieur horizontalement les trois colonnes (100, 200, 300).
  6. Parafoudre (1) suivant l'une des revendications 1 à 5,
    caractérisé en ce que
    les armatures (7) d'extrémité sont reliées entre elles au moyen de plusieurs tirants (9), dont au moins certains sont entourés horizontalement par les pièces (5, 50) intermédiaires.
  7. Parafoudre (1) suivant la revendication 6,
    caractérisé en ce que
    plusieurs tirants (9) sont disposés à l'extérieur des pièces (5, 50) intermédiaires, de manière à ce qu'ils appuient de l'extérieur les pièces (5, 50) intermédiaires.
  8. Parafoudre (1) suivant l'une des revendications 1 à 7, caractérisé en ce que
    chaque pièce (5, 50) intermédiaire a un disque (51) isolant et une plaque (52, 53) de contact, qui y est posée, pour la production de la liaison transversale.
  9. Parafoudre (1) suivant la revendication 8,
    caractérisé en ce que,
    sur une surface d'appui de la plaque (52, 53) de contact, une couche (54) conductrice de l'électricité est déposée sur le disque (51) isolant.
  10. Parafoudre (1) suivant la revendication 9,
    caractérisé en ce qu'
    un bourrelet (56), sur le disque (51) isolant, délimite la surface de support de la plaque (52, 53) de contact.
  11. Parafoudre (1) suivant la revendication 10,
    caractérisé en ce que
    la couche (54) conductrice de l'électricité s'étend au moins en partie sur le bourrelet.
EP15180760.9A 2015-08-12 2015-08-12 Paratonnerre encapsule Active EP3131098B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP15180760.9A EP3131098B1 (fr) 2015-08-12 2015-08-12 Paratonnerre encapsule
JP2016157060A JP6343309B2 (ja) 2015-08-12 2016-08-10 カプセル封止形サージアレスタ
KR1020160102369A KR102014247B1 (ko) 2015-08-12 2016-08-11 봉입형 서지 어레스터

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15180760.9A EP3131098B1 (fr) 2015-08-12 2015-08-12 Paratonnerre encapsule

Publications (2)

Publication Number Publication Date
EP3131098A1 EP3131098A1 (fr) 2017-02-15
EP3131098B1 true EP3131098B1 (fr) 2018-02-28

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EP15180760.9A Active EP3131098B1 (fr) 2015-08-12 2015-08-12 Paratonnerre encapsule

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EP (1) EP3131098B1 (fr)
JP (1) JP6343309B2 (fr)
KR (1) KR102014247B1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111584173B (zh) * 2020-05-26 2021-08-17 恒大电气有限公司 一种避雷器

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DE102011077394A1 (de) 2011-06-10 2012-12-13 Siemens Aktiengesellschaft Überspannungsableiter
DE102012217310A1 (de) * 2012-09-25 2014-03-27 Siemens Aktiengesellschaft Überspannungsableiter
JP6324488B2 (ja) 2013-04-26 2018-05-16 シーメンス アクチエンゲゼルシヤフトＳｉｅｍｅｎｓ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ カプセル封止形サージアレスタ
PL2854141T3 (pl) * 2013-09-30 2020-08-24 Siemens Aktiengesellschaft Ochronnik przepięciowy

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JP2017038056A (ja) 2017-02-16
KR102014247B1 (ko) 2019-08-26
EP3131098A1 (fr) 2017-02-15
KR20170020266A (ko) 2017-02-22

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