EP2630707A1 - Spark gap having a plurality of series-connected individual spark gaps, which are located in a stack arrangement - Google Patents
Spark gap having a plurality of series-connected individual spark gaps, which are located in a stack arrangementInfo
- Publication number
- EP2630707A1 EP2630707A1 EP11771124.2A EP11771124A EP2630707A1 EP 2630707 A1 EP2630707 A1 EP 2630707A1 EP 11771124 A EP11771124 A EP 11771124A EP 2630707 A1 EP2630707 A1 EP 2630707A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spark gap
- gap according
- electrodes
- spark
- insulating
- 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.)
- Granted
Links
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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
Definitions
- the invention relates to a spark gap having a plurality of series-connected, stacked individual spark gaps, which are spaced apart by Isolierstoffin and provided with a Feder tokenleiter, the Einzeifunkenoxyn annular or disc-shaped electrodes, and further with controls for influencing theistsverteiiung on the stack assembly, according to claim 1.
- the arc current In the known DC applications, the arc current must be forced to zero by increasing the arc voltage requirement to values greater than the available mains voltage (DC extinction principle).
- the total arc voltage results from the sum of the anode / cathode fault voltage and the product of arc length and arc field strength, different starting points for increasing the relevant arc voltage are obtained.
- a particularly effective variant is the series connection of several partial arcs and thus the summation of the anode / cathode drop voltages.
- This physical principle of connecting several spark gaps in series has already been used for medium voltage absorbers for a very long time.
- a Abieiter consisting of two or more contacting, disc-shaped resistor bodies is described. Each resistor body has one or more ridges or elevations of significantly higher resistivity than the remainder of the disk.
- the height of the rib or ribs and thus the distance between the individual electrodes is between 0.02 mm and about 0.4 mm. There are only a few points of contact between the disks, which initiate the spark transition and the Spark discharge allows to spread quickly over the entire surface of the disc.
- the ribs made of a material with increased specific
- a multiple protective spark gap for high-voltage installations is proposed as a coarse protection against overvoltages, characterized in that, in order to achieve a highly curved course, the characteristic of the same, ei ne
- Auxiliary spark gap and an in-line impedance is provided, which at least one of the flashover of the
- Protective spark gap is connected in parallel and the voltage distribution ung controls the rollover series in series such that at least at one of them a higher voltage value occurs than the voltage component assigned to it.
- the protective spark gap is in so many
- Such a stack arrangement consists of a sequence of disk-shaped electrodes with insulating rings, which each have a radial NEN
- the entire stack is braced by several guide rods in the axial direction by screwing.
- the guide elements or brackets are used for the radial positioning of the graphite discs and the insulation rings with each other, so that arise as reproducible supernatants for the outer flashover distances.
- the guide elements are in this case designed so that the radial tolerances alier disk electrodes or rings are observed and that the guides of the individual parts by the axial Bracing the Stapeis not to interruptions of the pressure chain, so leads to the Spaitbiidung or individual parts are damaged by the screwing.
- a faulty tension can, in addition to the Spaitbiidung, whereby an increase in the Schutzpegeis by the additional flashover stretches is unavoidable, also lead to breakage of the electrodes or for bending or Verkürzu ng Isoiations supernatants.
- This type of positioning leads aufg around the unavoidable radial and axial tolerances, especially with increasing number of egg nzelmaschine, considerable problems in the desired exact positioning of these elements with each other. This also applies to the exact compliance with the necessary projections between the insulation elements and electrodes.
- the number of feasible partial spark gaps is therefore greatly limited in the previously known embodiments.
- Loads radial cracks or complete cracks of the insulation rings arise. These can be used to deliver ionized gases to the outside
- B. Ceramic is due to the existing compression by the dynamic loads
- CN 101090197 A Known from CN 101090197 A is a stack arrangement of Einzelelek ⁇ electrodes for Niederspannu ng with electrical display and external control or ignition aids, in which the Steuer designated in the current path. Zündhiife at least one fuse or a thermal fuse is provided. It will be one
- the power of the control or ignition aid and the temperature in the area of the control or ignition aid is monitored there. In this embodiment, however, there is insufficient thermal coupling to the affected area
- the electrical display requires its own energy supply, the additional components affect the function of the control or ignition aid and must be carried out voltage-proof sel bst.
- the various embodiments of the types of contacting a spark-free control can not be guaranteed secure and it is always the integration of an error-prone board necessary.
- the chain of resistors preferably has logarithmically decreasing resistance values in the switching-through direction. Also there is the contact via contact springs to the
- Electrodes which preferably consist of cylindrical or cuboid, sharp-edged elements, real instrument.
- spark-free contacting all other partial spark gaps of the Abieiters can be affected and the controls would have to have sufficient dielectric strength, also is a complex
- the spark gap technologies used hitherto for DC applications based on the horn principle or the extinguishing tube principle have the disadvantage that, following a surge current loading, the flow of a line follower current is always technologically driven. This current flow can not be avoided constructively, but only limited in time, as he According to the DC extinguishing principle already described is performed to nil, all parts of the spark gap during this period are both thermally and mechanically loaded and it comes to egg ner unavoidable aging of Abieiters. In order to be able to realize a behavior that is as resistant to aging as possible over the given period of use, the constructions of such Biitzstromableiter these loads and the associated aging or burn-off eg of the used
- the spark gap should be realized in ROC 2000 design and controlled by voltage-proof and electrically isolated from each other control impedances.
- the spark gap according to the invention should minimize the probability of formation of a chain reaction ei Nes outer flashover of sections during high voltage gradients in addition to safe operation even with aging.
- spark gaps having a plurality of series-connected stacked individual components. spark gaps according to the feature combination according to claim i, wherein the dependent claims comprise at least expedient refinements and developments.
- the individual spark gaps each consist of two disc electrodes, which are beabsta NEN by a Isolierstoffin from each other.
- the disk electrodes are in one
- Vulkanfiber are spaced from each other. This, each between two disc electrodes or two insulating angeord designated insulating disk forms by their circular recess on the one hand, the required distance or flashover distance for a corresponding spark gap and on the other hand, a sufficient supernatant in the edge region, to avoid unwanted outer flashover.
- An insulating element in each case contains a disk electrode and
- the control is respectively connected to the disc electrode and the guide member and is preferably a l l paragraph enclosed by the insulating material. This can be z. B. by a pocket or
- Film hinge can be realized. This quasi-integrating integration of the control element in the insulating material and the foreclosure of the
- the spark gap according to the invention which is preferably usable for DC applications, is based on a known stack arrangement of individual electrodes with external potential control by means of
- the number of separation sections is selected so that the behavior of the spark gap when responding quasi scostrom free up to the height of the maximum operating voltage.
- the design of the spark gap is simple and inexpensive and modular to the respective low-voltage level customizable. With the invention, the goal of a minimum residual stress and a simplified assembly process is achieved.
- Isolation body has a recess whose shape is complementary to the contour of the respective electrode, wherein the recess on the inner peripheral side has at least partially compliant, resilient centering projections or centering.
- centering projections or centering noses can be used in the manufacture of the insulating body, e.g. molded and formed by injection molding.
- the respective insulating body have egg nen radial extension or a corresponding Anformung, which soft or at least one
- Contact spring for a particular edge-side contacting the respective electrode receives.
- the contact spring extends at least partially into the recess in order to ensure the desired contacting of the electrode.
- the respective insulating body has in particular in the region of the radial extension egg n n film hinge part, which is movable from an opening to a closed position.
- the film hinge member has at least one formation or opening for receiving at least one of the respective controls.
- This shape or opening kan n have a different geometric shape for correspondingly different, confusion-held controls.
- the at least ei ne of the respective controls is electrically connected via the at least one contact spring. Thermally and mechanically vulnerable solder joints can be omitted.
- a receptacle for a further spring-like contact element is provided, wherein the distance and the position between the electrode distal end of the contact spring and the second contact element corresponds to the position of the terminals of the respective control.
- the second contact element may extend into a recess space, one of the stack assembly connecting elements, for. B. a rivet or a screw receives. This is a corresponding
- centering means of centering or centering a circumferential air gap between the respective
- This gap serves on the one hand as a pressure equalization chamber and forms an area for targeted, non-disturbing Berußung. If required, additional ventilation channels can be integrated within the structure,
- top and bottom side in each case in the stack complementary, bearing-securing projections and / or recesses are formed, in particular integrally formed.
- the Isolierstoffinn have an opening facing the respective electrodes opening to form a distance or separation distance.
- the Isolierstoffinn have an extension section with a J ust istsaussparung, which also serves to r position assurance in the stack composite.
- the Isolierstoffin have in ei ner preferred embodiment each ei ne thickness of approx. ⁇ 300 m and consist of z. B. from a Vulkanfiber- material.
- At least parts or portions of the Isoiations stresses consist of a blazeieitenden plastic material, so that the resulting in Kochiagsfail thermic energy can be safely and quickly dissipated to the outside.
- the dielectric strength of the control elements is greater than or equal to the maximum protection grade! selected.
- the impedance values of at least some of the respective control elements are five to ten times greater than the longitudinal capacity of the stack arrangement.
- the insulating bodies may be partially coded at least in part in order to avoid confusion with regard to their arrangement in the stack arrangement and series connection.
- thermally sensitive overload indicator z. B. formed as Lottrennstel le available.
- the Anschditionen the Einzelfunkenset are less than 1500 V.
- the aforementioned order ongoing centering or Zentriervorsprünge that represent in their capacity spring elements, the compensation in the event of pressure loads of the stack.
- the aforementioned order ongoing centering or Zentriervorsprünge that represent in their capacity spring elements, the compensation in the event of pressure loads of the stack.
- the impedance values of the individual control elements can be varied depending on the specific mechanical construction and / or with regard to the individual control elements. be dimensioned materials. As stated, the impedance value of the controls is five to ten times higher than the longitudinal capacitance of the device, with the impedance value of the last partial spark gap in the
- a so-called tox-clinching technology i. H. one
- Fig. 1 is a Prinzipdarstell ung a stacked spark gap arrangement according to the prior art
- Fig. 2a and 2b a representation of the insulation body according to the invention with
- Fig. 3 shows a representation of a spark gap surge arrester plug-in part with a not yet complete complete stack arrangement of insulating bodies with the corresponding electrodes and
- Fig. 4 is an illustration of the complete stacked spark gap with external connections that comprise plug contact surfaces, including a tolerance compensation surface on one of the external contacts.
- Functional elements of the partial spark gaps such as graphite disks, control Elements and separation sections are designed as individual modules and are decoupled from other loads such as pressure and illumination and therefore not impaired in this regard.
- a ei nzel partial spark gap preferably consists of two
- disk-shaped electrodes and a spacer element for example in ring form of a high-resistance or insulating material.
- the material or the thickness for the respective separation sections can be chosen freely.
- a follow-on stream is in particular a thermal
- electrodes are used without additional external insulation, the supernatants of the separating gap material being chosen to be sufficiently large in order to avoid flashovers of individual partial spark gaps and / or of the entire series connection. It is also essential to the invention that the electrode can be coated with a gap-free outer insulation, for example made of epoxy resin, technical glass or lacquer, in order to be able to reduce the required sliding and air gap within the drain.
- a gap-free outer insulation for example made of epoxy resin, technical glass or lacquer
- the individual partial spark gaps are dimensioned so that the impulse response voltage is less than 1500V. In order to be able to realize such small values, the distance between the two electrodes of the respective partial spark gaps is minimized. Due to the ROCstromschreib execution according to the invention, the Abieiter and thus the individual electrode discs are predominantly charged with pulse currents.
- Such a pulse current arc usually forms diffuse and has a number of Lichtbogenfußpun kte, so that it comes to kei ner punctual overload, as in a follow-current arc, a uf on the electrode surface. Due to the diffuse arc z. As a sublimation of the graphite electrodes preferably used avoided and it can be used without affecting the overall behavior of the Abieiters, smaller separation line thicknesses. Electrode spacings of less than 300 pm have proven to be particularly suitable.
- electrodes 4 and insulating separation sections 3 are secured in position by external guides 5 a Isolationmateria l with each other. This requires a complex construction with minimal tolerances, which u.a. also the assembly is difficult.
- Such known Abieiter are i ntegrated in series housing, which often consist of a lower part 1 and egg nem pluggable upper part 2.
- the aforementioned Berußung and / or a thermal load is fostered by ei namidede subsequent streams in the prior Tech, which alternative Gteitrankn or flashover distances are used especially for large voltage gradients and as a result of Aitanserscheinept, so that the originally desired arrester function is only limited available ,
- the individual electrodes 4 can be moved by the previously unavoidable loosening each other and / or with respect to the held by the same guides distance ranks, so that a sufficient distance is not always guaranteed and the danger of external rollovers exists.
- the separation distances or spacers and the electrodes of the individual partial spark gaps are securely spaced from each other, isolated and centered separately.
- the centering is ensured by the egg rate of an insulating element or insulating body 19 with a Fiimscharnier 9 for each electrode 12.
- each insulating body 19 befindl Ie film hinge 9 has openings on openings, the controls 11, z. B. executed as a surface mountable
- a ls controls 11 can each be integrated directly into the film hinge 9.
- the respective electrode 12 is pressed against the respective contact spring 13 and the associated control element 11, so that a spark-free contact is ensured and no prone solder joint necessary wi rd.
- the corresponding Isolierstoffin 14 have a respective electrode 12 facing opening to form the distance or separation distance.
- the Isolierstoffinn may also have an extension portion with an adjustment recess for receiving adjusting elements, for. B. rivets or screws 15 have.
- the current air gap can also serve as a compensation chamber at pressure increases due to the function-related Belastu lengths. If required, further venting channels can be integrated into the individual elements, such as electrodes and separation sections of the stack.
- the Isolierstoffenn 14 are constructed so that they vorlä for provisional
- the separating element formed by the insulating material 14 realizes the necessary distance distance and a secure insulation of the successive electrodes 12, the associated controls 11 and the necessary contact springs.
- an easy to manufacture punching element for. B. used a vulcanized fiber of appropriate thickness.
- Such parting material is also in the required small thicknesses of ⁇ 300 ym still dimensionally stable and good i n the production and during assembly used. Such a material is especially at
- Vulkanfi is resistant to mechanical and thermal shock crack and fracture resistant and extremely insensitive to mechanical stresses in all axes.
- the pressure load can not cause any damage to the connections, the individual elements and the position of the parts with one another. Likewise, the unavoidable release of soot and the release of ionized gas will not result in undesirable flashovers of the relevant component or components
- Insulation stretches.
- the construction according to the invention which overcomes the constructive disadvantages of the prior art, allows the construction of stacked spark gaps with significantly more partial spark gaps (at least approx. 30%) with the same external space.
- a longitudinal capacity of the arrangement Dependent on the respective thickness and construction with respect to the individual partial spark gaps calculated a longitudinal capacity of the arrangement. As a control for a possible nonlinear voltage distribution over the entire series circuit then a capacitance value is used, softer at least 5 to 10 times greater than the previously determined longitudinal capacity. From the second to the penultimate sub-link, equally sized controls with the calculated capacitance value are used everywhere.
- At least the last partial spark gap of the Stapelanordn ung the associated control capacity is again by a factor of 5 to 10 times greater than the other control capacity to le provide a sufficiently large supply of energy at this Stel le, so that the entire spark gap safely ignites and the Residual voltage compared to a conventional design with the same size controls decreases, so that the required level of protection is always maintained safely.
- the resulting longitudinal capacities depend in each case on the parting line material used, its thickness and the overall construction, so that the control elements to be used optimally are adapted to the respective new circumstances when the construction changes.
- Partial spark gaps including or excluding the control in the
- the insulating material used 19 are differently colored color coded with film hinges 9 and prefabricated as individual modules- All controlled electrodes are distinguished by the color coding in an odd or even partial spark gap.
- the first of the partial spark gaps which is made passive, is inserted in a separate outer casing.
- the last partial spark gap of the stack arrangement which is controlled with an increased capacitance value, is again coded and identified by the other Fiim hinges for the even or odd partial spark gaps with control elements of equal size.
- a control is used in another thus also permissive SMD size.
- the z. B. color coded insulating body 19 with hinges 9 are ierstoffinn 14 stacked according to the desired voltage in the simplest way with the intermediate Isol.
- the insulating body 19 with film hinges 9 center the preferred disk electrodes 12 and z. B. by appropriate guide lugs and the preferably high-resistance or insulating distance or separation-distance elements (insulating-material disks 14) as punching elements
- the stack arrangement is preferably adjusted by means of guide elements 15, wherein one of the two plug contacts 16 as shown in FIG. 4 via ei ne so-called Toxthetic, d. H. a clinch technology, contacted with the stack.
- control elements even further below or offset relative to one another along the circumference of the electrode within the total discharge.
- thermoly sensitive element 17 is positioned in the region of the termination electrode 18 in this regard.
- z. B. also the insulating material be made of a thermally conductive plastic or ceramic.
- a thermally sensitive element 17 may, for. As a lot, wax or adhesive gen uses.
- a biased display (not shown). By means of the display, information about a thermal overload of the spark gap can be obtained directly or via a remote message.
- Partial spark gaps it is necessary that a gap-free connection between the disk electrodes 12 and the respective insulating disk 14 is made. This is achieved by the disk electrodes 12 having at least the same thickness as the corresponding insulating bodies 19. This ensures that the axial pressure load is always built up over the disk electrodes 12 and the insulating disk 14 and not over the insulating body 19.
- the Klemmverbindu ng the disc electrodes in the insulating material also fixed the disc neither axially nor in the radial position rigid. This gara nediert even with a mounting error of the individual parts in the Isol ierstoffelement an automatic functionally reliable alignment of the parts after complete assembly of the entire stacking arrangement.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010049313 | 2010-10-22 | ||
DE201110102864 DE102011102864A1 (en) | 2010-10-22 | 2011-05-31 | Spark gap with several series-connected, stacked single spark gaps |
PCT/EP2011/068081 WO2012052388A1 (en) | 2010-10-22 | 2011-10-17 | Spark gap having a plurality of series-connected individual spark gaps, which are located in a stack arrangement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2630707A1 true EP2630707A1 (en) | 2013-08-28 |
EP2630707B1 EP2630707B1 (en) | 2015-03-11 |
Family
ID=45923415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11771124.2A Active EP2630707B1 (en) | 2010-10-22 | 2011-10-17 | Spark gap having a plurality of series-connected individual spark gaps, which are located in a stack arrangement |
Country Status (5)
Country | Link |
---|---|
US (1) | US8890393B2 (en) |
EP (1) | EP2630707B1 (en) |
CN (1) | CN103181041B (en) |
DE (1) | DE102011102864A1 (en) |
WO (1) | WO2012052388A1 (en) |
Families Citing this family (21)
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DE102011102941B4 (en) * | 2011-03-18 | 2014-12-11 | Dehn + Söhne Gmbh + Co. Kg | Spark gap with several series-connected, in a stack arrangement single spark gaps |
DE102013113614A1 (en) | 2013-12-06 | 2015-06-11 | Obo Bettermann Gmbh & Co. Kg | Multiple spark gap for lightning protection |
CN105186479B (en) * | 2015-09-09 | 2018-01-09 | 成都兴业雷安电子有限公司 | A kind of surge protector of communication navigation set |
DE102016114787B4 (en) | 2015-11-09 | 2022-05-12 | Dehn Se | Assembly with a carrier unit for spark gaps that can be connected and stacked in series and a disc-shaped spark gap electrode |
US10186842B2 (en) | 2016-04-01 | 2019-01-22 | Ripd Ip Development Ltd | Gas discharge tubes and methods and electrical systems including same |
CN107275926B (en) * | 2017-05-08 | 2022-05-24 | 隆科电子(惠阳)有限公司 | A clearance structure that is used for surge protection to have multilayer big aperture insulator ring |
DE102017119288B4 (en) | 2017-05-10 | 2023-03-23 | Dehn Se | Encapsulated surge arrester based on spark gaps |
CN107394586B (en) * | 2017-06-09 | 2022-03-29 | 武汉水院电气有限责任公司 | Flat plate type multi-chamber gap discharge electrode |
DE102018115950B4 (en) | 2018-07-02 | 2021-11-04 | Dehn Se + Co Kg | Spark gap with at least two individual spark gaps connected in series and arranged in a stack |
DE102018118898B3 (en) * | 2018-08-03 | 2019-10-24 | Phoenix Contact Gmbh & Co. Kg | Retaining arrangement and arrangement of at least two staple bursts |
DE102018118906B3 (en) * | 2018-08-03 | 2019-10-17 | Phoenix Contact Gmbh & Co. Kg | Surge protection device |
US10685805B2 (en) | 2018-11-15 | 2020-06-16 | Ripd Ip Development Ltd | Gas discharge tube assemblies |
BE1026863B1 (en) | 2018-12-13 | 2020-07-13 | Phoenix Contact Gmbh & Co | Holding element for holding an electrode of a spark gap and spark gap with at least one holding element |
DE102018132088B3 (en) | 2018-12-13 | 2020-06-18 | Phoenix Contact Gmbh & Co. Kg | Holding element for holding an electrode of a spark gap, arrangement and spark gap with at least one holding element |
RU2711002C1 (en) * | 2018-12-20 | 2020-01-14 | Олег Иванович Громов | Discharge chamber with three electrodes and two spark gaps (versions) |
DE102019109543B3 (en) * | 2019-04-11 | 2020-09-03 | Phoenix Contact Gmbh & Co. Kg | Multiple spark gap in stack arrangement with high voltage trigger circuit |
DE102019109542A1 (en) * | 2019-04-11 | 2020-10-15 | Phoenix Contact Gmbh & Co. Kg | Multiple spark gap in stack arrangement with multi-contact component for contacting and triggering |
DE102020203634A1 (en) | 2020-03-20 | 2021-09-23 | Pump Technology Solutions PS GmbH | Positive displacement pump and method of making a positive displacement pump |
US11329480B1 (en) * | 2021-03-05 | 2022-05-10 | Advanced Fusion Systems Llc | Series static spark gap for EMP protection |
DE102022110329A1 (en) | 2022-04-28 | 2023-11-02 | Phoenix Contact Gmbh & Co. Kg | Spark gap arrangement |
DE102022110330A1 (en) | 2022-04-28 | 2023-11-02 | Phoenix Contact Gmbh & Co. Kg | Multiple spark gap |
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DE395286C (en) | 1924-05-17 | Westinghouse Electric & Mfg Co | Surge arresters | |
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US2298114A (en) | 1939-07-03 | 1942-10-06 | Westinghouse Electric & Mfg Co | Spark gap device |
CH215001A (en) | 1940-06-11 | 1941-05-31 | Bbc Brown Boveri & Cie | Surge arrester for high and extra high voltages. |
DE737825C (en) | 1941-04-06 | 1943-07-26 | Bbc Brown Boveri & Cie | Multiple protective spark gap for high voltage systems |
CH252433A (en) | 1945-05-02 | 1947-12-31 | Hermes Patentverwertungs Gmbh | Surge arrester with extinguishing spark gap. |
DE1256306B (en) | 1958-11-17 | 1967-12-14 | Licentia Gmbh | Extinguishing spark gap with disk-shaped electrodes and insulating spacers |
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DE4240138C2 (en) * | 1992-11-28 | 1995-05-24 | Dehn & Soehne | Arrangement capable of carrying lightning current with at least two spark gaps connected in series |
DE19742302A1 (en) | 1997-09-25 | 1999-04-08 | Bettermann Obo Gmbh & Co Kg | Spark gap capable of carrying lightning current |
DE10114592A1 (en) | 2001-03-24 | 2002-09-26 | Bettermann Obo Gmbh & Co Kg | Spark gap for lightning current has dimensions of control capacitors given by number of capacitors, control capacitance, safety factor, line capacitance, peak overvoltage, protection level |
EP1999828B1 (en) * | 2007-04-03 | 2009-12-09 | Dehn + Söhne Gmbh + Co Kg | Assembly housing arrangement for the pulsed current resistant integration of at least one pre-made electrical breakdown fuse |
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2011
- 2011-05-31 DE DE201110102864 patent/DE102011102864A1/en not_active Withdrawn
- 2011-10-17 US US13/879,679 patent/US8890393B2/en not_active Expired - Fee Related
- 2011-10-17 WO PCT/EP2011/068081 patent/WO2012052388A1/en active Application Filing
- 2011-10-17 EP EP11771124.2A patent/EP2630707B1/en active Active
- 2011-10-17 CN CN201180050771.6A patent/CN103181041B/en active Active
Non-Patent Citations (1)
Title |
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See references of WO2012052388A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2012052388A1 (en) | 2012-04-26 |
CN103181041A (en) | 2013-06-26 |
US8890393B2 (en) | 2014-11-18 |
EP2630707B1 (en) | 2015-03-11 |
CN103181041B (en) | 2014-10-08 |
US20130278129A1 (en) | 2013-10-24 |
DE102011102864A1 (en) | 2012-04-26 |
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