EP2394277A1 - Ensemble parafoudre - Google Patents

Ensemble parafoudre

Info

Publication number
EP2394277A1
EP2394277A1 EP10704119A EP10704119A EP2394277A1 EP 2394277 A1 EP2394277 A1 EP 2394277A1 EP 10704119 A EP10704119 A EP 10704119A EP 10704119 A EP10704119 A EP 10704119A EP 2394277 A1 EP2394277 A1 EP 2394277A1
Authority
EP
European Patent Office
Prior art keywords
clamping
surge arrester
stack
armaturkorper
arrester arrangement
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Withdrawn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
EP10704119A
Other languages
German (de)
English (en)
Inventor
Bernd Kruska
Dirk Springborn
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 EP2394277A1 publication Critical patent/EP2394277A1/fr
Withdrawn legal-status Critical Current

Links

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
    • H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure
    • 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

Definitions

  • the invention relates to a Ubernapssableiteran Aunt with a varistor element having a clamping stack, wel cher ⁇ end limited by a first and a second Armaturkor- per and held by at least one Verspannementss, wherein the clamping element Festge ⁇ is at least one Armaturkorper means of a wedged clamping seat.
  • the ends of the known bracing elements are deflected transversely to the clamping direction of the tensioning stack.
  • the clamping forces which are preferably to be introduced in the clamping direction, are superimposed by lateral forces when the bracing elements are deformed.
  • a more or less strong transverse component to the preferably in the clamping direction to be generated clamping force. Due to this transverse component forces are registered in the overall arrangement, which cause a bending of the arrangement.
  • Such bending out is disadvantageous because the valve member can be damaged. For example, a splintering or breaking of the varistor element may occur as a result of punctual overloading.
  • the Armaturkorper limit the clamping stack end.
  • the Armaturkorper have the task to enable electrical contacting of the surge arrester arrangement.
  • the valve bodies are metallic cast bodies which are electrically conductive.
  • a varistor element is advantageously arranged between the Armaturkorpern .
  • the Va ⁇ s- tor itself may be composed of a plurality of juxtaposed sub-elements.
  • the sub-elements are designed as cylindrical body, wherein advantageously a circular or nik ⁇ ngformige design of end faces is provided.
  • the sub-elements lie with their end faces to each other, wherein oppositely oriented end faces of end-side sub-elements of the Va- ⁇ storettis are electrically connected to the valve bodies. It may be provided that the sub-elements themselves are in direct contact with each other. However, it can also be provided that an electrical contact via end faces takes place through interstices of electrically conductive material. Likewise, it can also be provided that at the end of the Va ⁇ storelement corresponding interstices are arranged made of electrically conductive materials, so that via these an indirect electrically conductive connection of the end faces arranged end of the varistor element takes place with the Armaturkorpern.
  • the interleaves can act as pressure plates which, for example, transmit forces over a large area to the Va ⁇ storelement.
  • a clamping element towards ⁇ projects into a recess, wherein by means of a securing element of the bracing element a wedging within the recess.
  • the wedging of the bracing element results in deformation of the ends and jamming or wedging of the bracing element in a fitting body.
  • the two fitting bodies are of similar shape and are provided with both arms. turkorpern a similar formation of a clamping seat takes place.
  • the Verspannele- ment is a glass fiber reinforced plastic rod, which is subjected, for example, by driving a fuse element into a recess of a surface deformation, so that jamming of the securing element is given in the recess of Armaturkorpers.
  • a fuse element can serve a wedge, which spreads branches of the fuse element.
  • the branches can be molded onto the securing element, but it can also be provided that the branches split off by a jamming of the securing element ⁇ to. It can also be provided to design a bracing element with several strands, wherein the strands are wedged against each other.
  • the varistor element or the sub-elements, which are part of the varistor element, have over their length, ie in the clamping direction, preferably a constant cross-section.
  • a Va ⁇ storelement is given with a zy ⁇ lindrischen outer contour.
  • the Va ⁇ storelement and Armaturkorper are part of a clamping stack, which represents a rigid angle composite of the individual elements. If it is now provided that a circumferential bending groove is arranged in the clamping stack, which runs transversely to the clamping direction between the valve bodies, there is a possibility of avoiding a pointwise overloading of the Va ⁇ storides, in particular in edge regions. Thus, the edge regions of the varistor element or the sub-elements of forces can be relieved. Tre ⁇ th now at a wedging of the bracing element transverse forces in the clamping stack, this can by deformation the Biegenut be coupled out of the varistor element. In the edge zones of the contact surfaces overloading is avoided, so that damage to the same is prevented.
  • the bending groove should be in the outer contour, which is defined by the cross-sectional area of the Va ⁇ stor elements. D. h., The groove at least partially in a lateral surface of the varistor element.
  • the Biegenut should preferably circulate closed in itself.
  • Va ⁇ storetti that are used in the high voltage range of Elektroenergieubertragungsem ⁇ chtept designed as sintered ceramic elements. Sheath surfaces of such varistor elements, which do not serve an elective contact, are preferably coated with a glaze. Such Va ⁇ stor implant withstand relatively high compressive stress. However, this compressive stress should be transmitted as flat as possible. Em tilting or tilting and thus occurring punctual mechanical overloading of the Va ⁇ storides, however, often leads to breakage or rupture of the varistor element.
  • a surge arrester arrangement is used in electrical energy transmission networks as a security element.
  • an earth current path is formed between a live phase conductor of the electrical energy transmission network and earth potential, a surge arrester arrangement being looped into this earth current path.
  • the surge arrester arrangement takes over the function of a switching device, wherein when a threshold voltage on the phase conductor is exceeded, a significant reduction of the impedance of the varistor element takes place and driven by the voltage on the phase conductor, a significant current flows to the ground potential.
  • the response voltage is dimensioned such that at a Auftre ⁇ th of overvoltages on the phase conductor, for example initiated by switching operations, lightning strikes, Netzvorgange above, destruction of the phase conductor or its isolation is avoided.
  • An advantageous embodiment may further provide that the bending groove is at least partially limited by a Armaturkorper.
  • the Armaturkorper are preferably each equipped with a Kon ⁇ tact surface for the varistor.
  • a contact surface is designed for a direct or indirect electrically conductive contact with a contact surface of the Va ⁇ s- torides and faces a front surface of the Va ⁇ s- gate element.
  • the contact surface usually has a larger area than a plant provided for contact surface of the varistor element.
  • the bending genut is at least partially bounded by a first kegelstumpfformi ⁇ gen body.
  • a truncated cone-shaped body has a lateral surface, which is formed, for example, tapered.
  • a shell-side inlet By means of a shell-side inlet, there is a cross-directional change between the front-side cover surfaces of the truncated cone-shaped body.
  • the truncated cone-shaped body may be formed, for example, in the form of a subelement of the Va ⁇ storiatas.
  • the truncated cone-shaped body made of electrically conductive material is formed as an intermediate piece and has these contact surfaces for engagement with the varistor element or sub-elements of the Va ⁇ storides or on a Armaturkorper.
  • the bending groove is bounded by a first and a second truncated conical body whose cone angles are directed opposite to each other.
  • An opposite orientation of the cone angle of the two truncated cone-shaped bodies makes it possible, for example, to design a circumferential bending groove with a V-shaped cross-section, the V-shape advantageously having a symmetrical design.
  • the possibility of deflecting or tilting the clamping stack is also made possible to a greater extent.
  • the truncated cone-shaped bodies can be formed as subelements of the Va ⁇ storiatas. However, it can also be provided that the truncated cone-shaped bodies are each formed from electrically conductive material, for example aluminum, copper or the like, as interstices.
  • a further advantageous embodiment can provide that the bending groove circulates a long-lasting clamping device of the clamping stack.
  • a long-lasting clamping device extends the sections of the clamping stack located between the valve bodies, so that the valve bodies are pressed apart in the clamping direction and the clamping element is additionally tensioned.
  • a clamping device can initiate forces as centric as possible in the arrangement.
  • such a tensioning device can have a smaller cross section than the varistor element. This makes it possible to form a particularly deep bending groove on the surge arrester arrangement in relation to the width of the bending groove.
  • the clamping device is a clamping screw.
  • a clamping screw is an easy way to clamp a clamping element.
  • the bracing screw is mounted in a threaded ⁇ bore of a Armaturkorpers, wherein at least one component of the threaded bore is aligned in Verspannraum the Verspannium.
  • the bracing screw should be arranged centrically in a substantially rotationally symmetrical Armaturkorper.
  • a further advantageous embodiment may provide that a plurality of bending grooves are arranged in the course of the clamping stack.
  • the use of several bending grooves in the course of the tensioning stack makes it possible to relax deformations of the overall arrangement in several bending grooves.
  • the bending grooves can be arranged axially spaced from each other.
  • Uberwoodsablei- teranssenen larger lengths which are subjected during their operation also corresponding bending stresses, so on the one hand a rigid angle construction loanable, which is equipped to a limited extent with elastic properties.
  • a punctual overload is despite one
  • Figure 1 shows a surge arrester arrangement with partial cutout
  • FIG. 1 shows an overvoltage conductor arrangement which is partially cut free.
  • a surge arrester arrangement has a first armature body 1 and a second armature body 2.
  • the two Armaturkorper 1, 2 limit a clamping stack end.
  • the clamping stack has a varistor element 3.
  • the Varis- gate element 3 may have a plurality of end to end ⁇ lying compressed sub-elements have.
  • the sub-elements preferably have a cylindrical shape, which are preferably provided with circular or nik ⁇ ngformi- gene end surfaces.
  • the subelements each have similar cross sections, so that when the end faces are placed on top of each other a cylindrical actuator element 3 is formed.
  • clamping elements 4 are provided in order to avoid loose the Armaturkorper 1, 2 of the varistor element 3.
  • the bracing elements 4 brace the two Armaturkorper 1, 2 with the interposition of the Va ⁇ storettis 3 against each other.
  • a rigid clamping stack is formed.
  • the two Armaturkorper 1, 2 are similar and aligned opposite to each other with respect to the Varistorettis 3, so that provided on the Armaturkorpern 1, 2 contact surfaces are the varistor element 3 faces.
  • the Armaturkorper 1, 2 as well as the Va ⁇ ristorelement 3 should have a rotationally symmetric structure, wherein rotational axes of Armaturkorper 1, 2 and the Va ⁇ storettis 3 are aligned coaxially with each other. Since ⁇ by a Langs- is axially formed at the Uberschreibsableiteran Aunt 5, which coincides with the axes of rotation Armaturkorper 1, 2 and the Va ⁇ storettis. 3
  • each recesses 6 are provided in the valve bodies 1, 2 each recesses 6 are provided. End faces of the clamping elements 4 protrude into the recesses 6 in each case.
  • the recesses 6 pass through the Armaturkorper 1, 2 in the direction of the longitudinal axis 5. In this case, the recesses 6 are aligned such that the Verspannamine coat side around the varistor element 3 around.
  • the varistor element 3 is penetrated by at least one ⁇ Verspannelement 4.
  • the fitting bodies 1, 2 are advantageously made of a metallic material, casting bodies having been found suitable for the design of the fitting bodies 1, 2.
  • Armaturkorper 1, 2 made of aluminum, copper, steel or similar are suitable.
  • caps 7 are provided to cover Mundungso gleichen the recesses 6, which mouths in opposite surfaces of the Armaturkorper 1, 2, caps 7 are provided.
  • the caps 7 are designed as annular discs, wherein the Rmgo réelle of the annular discs are penetrated in each case by a connecting bolt 8.
  • An electrical contacting of the Armaturkorper 1, 2 is providable via the connecting bolt 8, so that the Uberdozenssab- conductor arrangement is emschleifbar in a current path.
  • About the connecting pins 8 Armaturkorper 1, 2 can be acted upon by an electrical potential.
  • the Va ⁇ storelement 3 is contacted with its end sides in each case with one of Armaturkorper 1, 2 electrically conductive.
  • the subelements forming the varistor element 3 are contacted with one another in an electrically conductive manner on the end side.
  • a current path is created between the valve bodies 1, 2, which due to the variable impedance of the varistor element may have different impedances as a function of the voltage applied between the valve bodies 1, 2.
  • the clamping stack is surrounded on the shell side by an insulating enclosure 9.
  • the Isolierumhullung 9 is sealingly against the valve bodies 1, 2 at.
  • the Isolierumhullung 9 is provided on the outer shell side with mutually spaced circumferential ribs to extend on the surface of Isolierumhullung 8 a distance between the valve bodies 1, 2.
  • the Isolierumhullung 9 may consist of different components.
  • the Isolierumhullung 9 is formed in the form of a ceramic housing.
  • the Isolierumhullung 9 m form of a plastic sheath is designed, wherein the plastic sheath For example, by means of an injection molding process can be sprayed around the clamping stack around.
  • the length of the surge arrester arrangement can vary in the longitudinal direction 5.
  • a clamping force of the tensioning stack is generated in the direction of the longitudinal axis 5 by the bracing elements 4.
  • FIGS. 2, 3, 4 and 5 sections are represented by different embodiments of tensioning stacks.
  • the respective clamping stack is shown in sections.
  • a wedged clamping seat for fixing the bracing elements 4 in the recesses 6 is shown in the figures.
  • FIG. 2 shows a detail of a tensioning stack in a first embodiment.
  • the first Armaturkorper 1 is provided with recesses 6.
  • the recesses 6 are arranged symmetrically distributed around the longitudinal axis 5 around.
  • the recesses extend parallel to the longitudinal axis 5 and enforce them completely.
  • the bracing elements 4 are of rod-shaped construction and are each provided with a recess 6 of the first valve body 1 at the end.
  • the bracing elements 4 are formed in the present example as electrically insulating Verspannamine 4, which are designed for example as glass ⁇ fiber reinforced plastic elements.
  • the sub-elements of the varistor element 3 are each designed to be adjacent to one another on the front side.
  • first sub-member 3a In the figure 2 is a first sub-member 3a, a second sub-member 3b, a third Un ⁇ terelement 3c and a fourth sub-element 3d shown.
  • the sub-elements 3a, 3b, 3c, 3d are designed as cylindrical blocks with circular end faces.
  • the second and third sub-elements 3b, 3c abut each other with end faces.
  • the intermediate elements 10a, 10b are, for example, aluminum, steel or copper panes which have a corresponding compressive strength.
  • the metallic intermediate elements 10a, 10b are each made identically, with the contacting intermediate elements 10a, 10b being aligned with opposite sense of direction with respect to each other.
  • the intermediate elements 10a, 10b are each formed identically and have the shape of a truncated cone-shaped body.
  • the base surfaces of the truncated cone-shaped bodies are provided with the same cross-section as the end faces of the lower elements 3a, 3b, 3c, 3d of the Va ⁇ storettis 3.
  • the Deckfla ⁇ chen the truncated cone-shaped intermediate elements 10a, 10b have a contrast reduced surface. Accordingly, the lateral surface has a frustoconical shape. ⁇ on the basis of the oppositely aligned position of the mutually directly contacting intermediate elements 10a,
  • a bending groove IIa, IIb is formed in each case.
  • the bending grooves IIa, IIb each have a v-shaped cross section, which is configured symmetrically.
  • the bending grooves IIa, IIb in the outer contour of the Varistor comprises 3.
  • the bending grooves IIa, IIb are axially spaced with respect to the longitudinal axis 5 and run closed around the longitudinal axis 5 in order.
  • bending forces on the surge arrester arrangement may additionally arise due to external influences. These forces can be kept away from the varistor element 3 by the use of bending grooves IIa, IIb.
  • FIGS. 3, 4, 5 and 6 each show alternative embodiments of bending grooves.
  • a bending groove 11 c is arranged directly adjacent to the first valve body 1.
  • an end arranged sub-element 3a of the varistor element 3 on a pressure plate 13, which was made of an electrically conductive metal and in the form of a circular cylinder with the same frontal cross-section as the adjacent sub-element 3a of the Va ⁇ stor- element 3 is configured.
  • a pressure plate 13 which was made of an electrically conductive metal and in the form of a circular cylinder with the same frontal cross-section as the adjacent sub-element 3a of the Va ⁇ stor- element 3 is configured.
  • an electrical contact with the first Armaturkorper 1 is possible.
  • a cross-section-reduced pressure plate 14 is provided, which likewise has a circular-cylindrical structure whose end faces, however, are reduced in relation to the end faces of the pressure plate 13 and the lower element 3a of the Va ⁇ storiatas 3. Due to the coaxial alignment of the axes of rotation of the pressure plate 13, cross-section reduced pressure plate 14 and the lower element 3a of the varistor 3, a circumferential bending groove 11c is formed, one flank of one end face of the pressure plate 13 and the other flank of a Kon ⁇ clock face of the first Armaturkorpers 1 is formed. The cross-section reduced pressure plate 14 is inserted to fix the position in a recess of the first Armaturkorpers 1.
  • FIG. 4 shows an alternative embodiment of a pressure plate 13a.
  • the pressure plate 13a forms a transition between a contact surface of the first Armaturkor ⁇ pers 1 and an end face of a lower element 3a of a Va ⁇ stor emulates 3.
  • the pressure plate 13a is rotationssym- metric and has a the lower element 3a of Va ⁇ stor emulates 3 facing surface. This surface has the same cross-section as the sub-element 3a of the substrate element 3.
  • the surface facing the contact surface of the first valve body 1, on the other hand, is reduced in diameter.
  • the end faces 13a of the pressing each have ⁇ wells a circular cross-section. A transition between the circular end faces is formed via a conically tapering lateral surface.
  • a circumferential bending groove Hd is formed, which runs around the longitudinal axis 5 around ⁇ and has a v-shaped cross-section.
  • the v-shaped cross-section is designed asymmetrically.
  • An edge of the bending groove Hd is bounded by a contact surface of the first armature body 1.
  • the other flank of the bending groove Hd is delimited by the conical or truncated cone-shaped tapered lateral surface of the pressing element 13a.
  • FIGS. 5 and 6 respectively embodiments are shown, which are equipped with a long veranderlichen clamping device.
  • the long-veranderlichen clamping devices are used to remove the end of the clamping stack begrenzen ⁇ zenden Armaturkorper from each other and so set a clamping force on the Verspannture 4.
  • Ia is equipped with a central threaded bore 15 into which a threaded bolt 16 is screwed.
  • the threaded bolt 16 is displaceable by rotation in the threaded bore 15 along the longitudinal axis 5. Due to the position of its thread turn the threaded bolt 16 is held in the threaded hole 15 sessarily.
  • the clamping stack shown in FIG. 5 in FIG. 5 has a sub-element 3a of a varistor element 3.
  • the ⁇ storelement 3a is provided with its end face, which points in the direction of the first Armaturkorpers 1, with a pressure plate 13.
  • the pressure plate 13 is configured in the form of a circular cylinder and has circular end faces which correspond to the circular cross-section of the lower element 3a of the Va ⁇ store- element 3.
  • About the threaded bolt 16 and the pressure plate 13 is also an electrical contacting of the Va ⁇ storettis 3 with the first Armaturkorper Ia given.
  • the bending groove He extends around the threaded bolt 16 and is characterized by a greater depth compared to the width of the bending groove He.
  • the bending groove He is limited in its flanks of a contact surface of the first Armaturkorpers 1 and of an end face of the pressure plate 13. Due to the mobility of the threaded bolt 16 in the threaded bore 15, the groove width is va ⁇ - ierbar.
  • FIG. 6 shows a modification of the embodiment known from FIG.
  • An alternative embodiment of the threaded bolt 16a is provided. This has at its the Un ⁇ terelement 3a of Va ⁇ storiatas 3 end facing a diameter enlarged bolt head 17.
  • the bolt head 17 a to be introduced force is applied to an enlarged surface of the pressure plate 13 distributedtientlei ⁇ tet.
  • the shell-side shaping of the Bolt head 17 caused a certain profiling of the bending groove Hf.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)

Abstract

L'ensemble parafoudre selon l'invention comporte un élément de varistance (3) qui fait partie d'un empilement de serrage qui est limité à ses extrémités par un premier et un second corps d'armature (1, 1a, 2). Les corps d'armature (1, 1a, 2) sont mis en tension l'un vis-à-vis de l'autre au moyen d'au moins un élément de mise en tension (4) qui est mis en tension dans un évidement (6) au moyen d'un siège de serrage. L'empilement de serrage comporte, transversalement à la direction de mise en tension, entre les corps d'armature (1, 1a, 2), au moins une gorge flexible périphérique (11a, 11b, 11c, 11d, 11e, 11f).
EP10704119A 2009-02-09 2010-01-21 Ensemble parafoudre Withdrawn EP2394277A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910008463 DE102009008463A1 (de) 2009-02-09 2009-02-09 Überspannungsableiteranordnung
PCT/EP2010/050680 WO2010089202A1 (fr) 2009-02-09 2010-01-21 Ensemble parafoudre

Publications (1)

Publication Number Publication Date
EP2394277A1 true EP2394277A1 (fr) 2011-12-14

Family

ID=42184035

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10704119A Withdrawn EP2394277A1 (fr) 2009-02-09 2010-01-21 Ensemble parafoudre

Country Status (3)

Country Link
EP (1) EP2394277A1 (fr)
DE (1) DE102009008463A1 (fr)
WO (1) WO2010089202A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104064298A (zh) * 2013-05-03 2014-09-24 襄阳市三三电气有限公司 一种锥形接触面的压敏电阻器
EP3144942B1 (fr) * 2015-09-18 2018-02-21 Siemens Aktiengesellschaft Dispositif de protection contre les surtensions

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1170046B (de) * 1960-10-11 1964-05-14 Licentia Gmbh Aus spannungsabhaengigen Massewiderstands-scheiben bestehender Widerstandsstapel fuer den Betrieb im Isolier- und Kuehlmittel von Transformatoren
DE1289175B (de) * 1963-03-15 1969-02-13 Siemens Ag UEberspannungsableiter
US5363266A (en) * 1992-06-18 1994-11-08 Raychem Corporation Electrical surge arrester
DE4306691A1 (de) * 1993-03-04 1994-11-03 Abb Management Ag Ueberspannungsableiter
WO1998038653A1 (fr) * 1997-02-25 1998-09-03 Bowthorpe Industries Limited Perfectionnements relatifs a des limiteurs de surtension electrique
DE19813135A1 (de) * 1998-03-25 1999-09-30 Asea Brown Boveri Überspannungsableiter
JP4342078B2 (ja) * 2000-04-07 2009-10-14 株式会社東芝 避雷器
SE527949C2 (sv) * 2004-12-22 2006-07-18 Abb Research Ltd Metod att framställa en varistor
DE102006003576B4 (de) * 2006-01-25 2007-10-25 Tridelta Überspannungsableiter Gmbh Überspannungsableiter mit Käfig-Design

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010089202A1 *

Also Published As

Publication number Publication date
DE102009008463A1 (de) 2010-08-12
WO2010089202A1 (fr) 2010-08-12

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