WO2008104510A1 - Überspannungsableiter mit einer varistoranordnung und varistormodul zur verwendung in einem überspannungsableiter - Google Patents
Überspannungsableiter mit einer varistoranordnung und varistormodul zur verwendung in einem überspannungsableiter Download PDFInfo
- Publication number
- WO2008104510A1 WO2008104510A1 PCT/EP2008/052181 EP2008052181W WO2008104510A1 WO 2008104510 A1 WO2008104510 A1 WO 2008104510A1 EP 2008052181 W EP2008052181 W EP 2008052181W WO 2008104510 A1 WO2008104510 A1 WO 2008104510A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- varistor
- coupling
- module
- surge arrester
- varistor module
- Prior art date
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
Definitions
- Surge arrester having a varistor assembly and varistor module for use in a surge arrester
- the invention relates to a surge arrester having a varistor arrangement, which has at least a first and a second varistor module, which are connected to one another via an electrically conductive connection, having the leakage current path.
- Such a surge arrester is known, for example, from European Patent EP 0 963 590 B1.
- a surge arrester having a varistor arrangement which is part of a leakage current path.
- the varistor arrangement has a plurality of varistor modules, which are in electrically conductive contact with one another with the interposition of contact disks acting as electrically conductive connec ⁇ tion.
- the varistor modules have a substantially hollow cylindrical shape.
- the varistor are for fixing the varistor modules relative to each other sets by a rod through ⁇ .
- the end of the rod is connected to valve bodies, so that the individual varistor modules are pushed against each other.
- the valve bodies are pressed onto the rod.
- the varistor modules arranged between the fitting body are permanently positioned relative to one another.
- the object is achieved in an overvoltage ⁇ abieiter mentioned above according to the invention in that the electrically conductive connection is secured by a coupling arrangement.
- Previously known surge arrester are designed so that after their manufacture repairs or adjustments no longer need to be made. Defective devices were replaced and de ⁇ provides.
- the coupling arrangement can act between two adjacent varistor modules.
- various coupling arrangements can be used.
- non-positive or positive-locking clutch arrangements can be used which are suitable for moving one of the varistor module to the other varistor module. module to transfer.
- torsionally rigid coupling arrangements but also elastic coupling arrangements can be used. It is advantageous if the coupling arrangement connects the two varistor modules directly with each other and thus secures the electrically conductive connection. Thus, it is possible to interrupt the electrically conductive connec ⁇ tion after or with the repeal of the fuse, without interfering with the mechanics of adjacent modules.
- a further advantageous embodiment may provide that the coupling arrangement comprises a first and a second coupling ⁇ element, wherein the two coupling elements are formed korres ⁇ ponding.
- Corresponding coupling elements are designed such that they would result in an interaction with a coupling point of a clutch assembly.
- Corresponding coupling elements force-transmitting magnetic ⁇ elements or friction plates are pressed together, for example, etc.
- a clutch assembly with complementarily shaped coupling elements for example, a positive Kupp ⁇ lung arrangement.
- the positive connection is suitable depending on the configuration of the complementary sections to represent a rigid connection or a flexible connection.
- the coupling ⁇ arrangement itself is part of the Ableitstrompfades.
- the coupling arrangement itself formed as part of Ableitstrompfades, that is, the clutch assembly operates in ge ⁇ coupled a condition as an electrically conductive connection, this can be easily integrated into the surge arrester become.
- the e lectric conductive compound itself is represented by the coupling assembly, said coupling arrangement ensures the electrical connection on ⁇ due to their configuration.
- a first and a second clutch element are respectively arranged on a varistor module .
- this varistor module can be coupled several times. This makes it possible to use the varistor flexible and to connect with other Varistormo ⁇ dulen.
- a further advantageous embodiment may provide that the two coupling elements are arranged on opposite sides of the varistor module.
- the arrangement of the coupling elements on mutually oppositely oriented or mutually remote sides of the varistor module allows, for example, several varistor modules to be connected to one another like a chain, wherein coupling arrangements lying between adjacent varistor modules allow the chain-like connection to be released at several points.
- a further advantageous embodiment can provide that the coupling arrangement couples the first and the second variator module with one another in an angularly rigid manner.
- An angularly rigid connection makes it possible to form an angle star ⁇ ren surge arrester.
- a thread arrangement may be provided as a coupling element, wherein the first coupling element has an external thread and the second coupling element has an internal thread or vice versa ⁇ .
- These two coupling elements can be screwed together to advertising, and under the increasing the screwing an encryption pressing a first and a second varistor ⁇ it follows at a ⁇ A couple the clutch assembly.
- a further advantageous embodiment can provide that the clutch arrangement couples the first and the second varistor module to one another in a movable manner.
- the surge arrester has a certain elasticity ⁇ .
- ⁇ By a correspondingly elastic configuration of the surge arrester, it is possible that this also keeps it ⁇ creased force effects such as wind loads stand.
- the individual varistor modules are connected to each other via corresponding Kupplungsanord ⁇ voltages, wherein the clutch assemblies allows in the coupled state, a relative movement between the mutually coupled Varistormodulen.
- Such an elastic coupling arrangement is given, for example, by a spherical shape of a first coupling element and a complementarily shaped the spherical shape claw-like embracing second coupling element.
- the hitch be ⁇ arrangements arranged in a chain lying one behind the other.
- the varistor modules form the links of a chain, wherein the individual links are interconnected by coupling arrangements.
- the chain has an angular rigidity between the individual varistor elements after securing the electrically conductive connections. So it is possible to transmit, for example holding forces via the secure electrically conductive connection or over the Kupp ⁇ development arrangement.
- the chain links relative to each other movable are, so that a direct transfer of forces is ⁇ limited.
- An advantageous embodiment may provide that at least one of the varistor is at least partially coated with an iso ⁇ lierstoff.
- the varistor module it is advantageous to provide these with an insulating sheath. It is advantageous to form them like a coat around the varistor module.
- the insulating material for example, by appropriate shaping to have a ⁇ current shielding.
- the sheath of insulating material is formed such that between the individual mutually coupled varistor modules remains a free space, so that relative movements between the varistor modules are free of restrictions by insulating possible.
- the sheath of two adjacent varistor modules engages one another, so that a contact or Ü overcurrent of the shells of adjacent varistor modules takes place.
- An insulating material casing can, for example, the electrically conductive connection or the Kupp ⁇ development arrangement to cover this against direct ingress to protect them from external influences.
- a further object is to provide a varistor, wel ⁇ ches be used to form modifiable Ü berditionsableiter in a simple manner.
- the object is achieved by virtue of the fact that a first and a second coupling element are connected to the varistor module. Lung element are arranged, wherein the coupling elements are formed correspondingly.
- varistor module By equipping the varistor module with two correspondingly designed coupling elements, it is possible to couple together a multiplicity of identically designed varistor modules. As a result, almost any number of varistor modules can be connected to one another.
- each end lying coupling elements can be used to attach fitting body. These are then designed corresponding to the respective end coupling elements.
- a surge arrester it is possible to assemble a required number of varistor modules and associated fitting bodies.
- a transport of modules compared to ready-mounted surge arresters in small-sized shipping crates is possible.
- the coupling elements are connected in a rigid angle to the varistor module.
- a rigid connection of the coupling elements with the Va ⁇ ristormodul allows a variety of use such executed varistor modules.
- the coupling elements may cause an angular rigid Ver ⁇ bond between the coupled coupling elements, for example, in the coupled condition and are forwarded via the angle-rigid connection with the varistor forces in the varistor. So can For example, be provided that coupling elements are fixed by rigid cage-like wrappings on the varistor module.
- other connection ⁇ method for angularly rigid mounting of a coupling element to a varistor module can be used.
- the coupling ⁇ elements on the varistor module spaced from each other are arranged ⁇ .
- a spacing of the coupling elements makes it possible not adversely affect the electrical efficiency of the varistor module.
- Varistor useful in sub ⁇ falls below a limit value of an external electrical voltage to have an impedance which tends to infinity. When the limit is exceeded, the impedance reverses and there is an impedance value that tends to zero. After ei ⁇ nem decay of the external electrical voltage below the threshold value, a varistor module in turn assumes its originally approaching infinity impedance value.
- a varistor module is a voltage-dependent impedance element.
- a spacing of the coupling elements on the varistor module makes it difficult to form creepage current paths or parallel-current paths which could short-circuit the varistor module. It is advantageous if the coupling elements are attached to oppositely directed surfaces of the varistor module.
- At least one coupling element between an electrical connection point and the varistor module forms an electrically conductive current path.
- a Konnekt réellestician can be provided for example in the region of a portion of a coupling element, which occurs in a coupling with a corresponding coupling element in combination. From this Konnekt réellestician can be provided, for example, an electrically conductive connection via the coupling element to an abutment point on the Va ⁇ ristormodul.
- the coupling arrangement represents the electrically conductive connection between two adjacently arranged varistor modules and this coupling arrangement ensures the electrically conductive connection.
- a further advantageous embodiment can provide that at least one coupling element has an insulating point interrupting a current path.
- a current path interrupting isolation allows for example by means of a demountable conductor cable to bridge the isolation. So it is for example possible to solve for testing purposes the conductor cable and isolate an installed surge against other subassemblies and tap off test voltages or test currents or other appropriate physical quantities relationship ⁇ as initiate. The insulation site then breaks a current path.
- a further advantageous embodiment can provide that the first and the second coupling element can be coupled independently of each other.
- the varistor module is at least partially encased with an insulating material.
- An insulating material may be provided to protect the varistor block on its outer surface from external influences. It can be provided both that the varistor itself is protected by the sheath from external influences, but it can also be provided that in the coupled state of several varistor blocks respectively provided Isolierstoffummantelept are formed such that they cover each other or abut each other, so that also the dome areas of the varistor modules are protected against direct external influences.
- FIG. 1 shows a module-like overvoltage arrester in a first embodiment variant
- FIG. 2 shows a module-like overvoltage arrester in a second embodiment variant.
- the first variant embodiment ei ⁇ nes modularly constructed surge arrester shown in Figure 1 is a Conduit drain in hanging version.
- a conductor cable for example a transmission line cable
- a first ⁇ closing fitting 2 is struck.
- the overhead line serves as a holding element.
- an e- lektrisch conductive connection to the conductor 1 Herge ⁇ provides.
- the first connection fitting 2 serves the holder of the suspended modular cable conductor.
- the present dormitorsabieiter has four identically constructed on ⁇ varistor modules 3a, 3b, 3c, 3d.
- the four varistor ⁇ module 3a, 3b, 3c, 3d are chain-like linked.
- Each of the varistor modules has a varistor block 4a, 4b, 4c, 4d.
- Each varistor block 4a, 4b, 4c, 4d has a specific response.
- 4c, 4d are electrically contacted with each other at the mutually facing sides by means of an electrically conductive connection 5a, 5b, 5c.
- Each of the varistor modules 3a, 3b, 3c, 3d has on opposite sides in each case a first coupling element 6a, 6b, 6c, 6d and a second coupling element 7a, 7b, 7c, 7d.
- the first coupling elements 6a, 6b, 6c, 6d as well as the second coupling elements 7a, 7b, 7c, 7d are each of the same shape.
- the first coupling elements 6a, 6b, 6c, 6d are formed corresponding to the second coupling elements 7a, 7b, 7c, 7d.
- the first coupling elements 6a, 6b, 6c, 6d are each designed like a claw, wherein the first coupling elements 6a, 6b, 6c, 6d can be inserted into the undercuts formed by the claws.
- the second coupling elements 7a, 7b, 7c, 7d are kugelför ⁇ mig or cylindrical, so that the first coupling elements 6a, 6b, 6c, 6d movable with the second Kupp ⁇ lungs instituten 7a, 7b, 7c, 7d are verkuppelbar.
- the Kupplungselemen- te 6a, 6b, 6c, 6d, 7a, 7b, 7c, 7d, the contact Va ⁇ ristorblöcke 4a, 4b, 4c, 4d each end face and form a large-surface contact area.
- the varistor blocks 4a, 4b, 4c, 4d show a substantial cylindrical ⁇ shaped basic shape, and the coupling elements 6a, 6b, 6c, 6d, 7a, 7b, 7c, 7d are in their contact-making surfaces in each case to the diameter of the end faces of the varistor blocks 4a, 4b , 4c, 4d adapted.
- the coupling elements 6a, 6b, 6c, 6d, 7a, 7b, 7c, 7d to the varistor blocks 4a, 4b, 4c, 4d, they are provided with an electrically insulating winding 8a, 8b, 8c, 8d with an intermediate layer the varistor blocks 4a, 4b, 4c, 4d braced against each other.
- an electrical insulating jacket 9a, 9b, 9c, 9d surrounding the varistor modules 3a, 3b, 3c, 3d presses the coupling elements 6a, 6b, 6c, 6d, 7a, 7b, 7c, 7d against one another.
- the electrically insulating sheaths 9a, 9b, 9c, 9d are axially limited to the respective varistor modules 3a, 3b, 3c, 3d.
- the electrically conductive connections 5a, 5b, 5c are covered by overlapping sections of the electrically insulating sheaths 9a, 9b, 9c, 9d.
- the respective end arranged varistor modules 3a, 3d are connected to connection fittings.
- the terminal 4a varistor block having a first coupling element 6a has ⁇ is connected to the first connector fitting. 2
- the first connection fitting 2 on a complementary Kupp ⁇ development element.
- the varistor module 3d with the second coupling element 7d is a second connection fitting 10 is coupled.
- the second connection fitting 10 has a coupling element complementary to the second coupling element 7d.
- the second on ⁇ closing fitting 10 is connected to a ground potential leading electrical conductor.
- a suspended surge arrester which forms a voltage-dependent switchable Ableitstrompfad between a conductor 1 and an earth potential leading electrical conductor. Since ⁇ in the discharge current path between two end angeord ⁇ Neten connecting fittings 2, 10 as well as electrically conductively contacted with each other varistor modules 3a, 3b, 3c, 3d being formed ⁇ .
- the varistor modules 3a, 3b, 3c are movable relative to one another, wherein electrically conductive connections 5a, 5b, 5c are used for electrical contacting.
- the electrically conductive connections are designed as coupling arrangements, so that the electrically conductive connections are repeatedly produced. and separable.
- FIG. 2 shows a second variant of a modular built up ⁇ surge arrester is illustrated.
- the individual assemblies along an axis of symmetry 11 are shown spaced apart relative to each other.
- surge arrester is designed such that it connects its individual modules above angle rigid coupling arrangements each other so that the modularly built on ⁇ surge arrester according to Figure 2 as so-called standing surge arrester can be mounted.
- the surge arrester according to FIG 2 comprises a plurality of varistor modules 12a, 12b, 12c, 12d, which are similarly formed from ⁇ .
- the varistor modules 12a, 12b, 12c, 12d each have a varistor block 13a, 13b, 13c, 13d.
- the ristorblöcke 13a, 13b, 13c, 13d are formed Cylind ⁇ driven in this case, wherein the cylinder axes are each aligned coaxially with the axis of symmetry.
- the varistor blocks 13a, 13b, 13c, 13d are each surrounded coaxially by a tubular body 14a, 14, 14c, 14d formed from electrically insulating material.
- the tubular body 14a, 14b, 14c, 14d are win ⁇ kelsteif with the respective Varistorblöcken 13a, 13b, 13c, 13d connected.
- the tubular bodies 14a, 14b, 14c, 14d each have at their opposite end faces an internal thread or an external thread, wherein inner and outer threads ⁇ are each formed complementary in shape.
- a first Kupp ⁇ development element 15a, 15b, 15c, 15d and a second clutch ⁇ element 16a, 16b, 16c, 16d arranged at each of the varistor modules 12a, 12b, 12c, 12d.
- Other coupling arrangements such as dog clutches, etc. may also be used.
- each adjacent varistor modules 12a, 12b, 12c, 12d are respectively conces- associated first coupling elements 15a, 15b, 15c, 15d and the second coupling elements 16a, 16b, 16c, 16d with each other kup ⁇ Pelbar.
- the varistor modules 12a, 12b, 12c, 12d are to be coupled together by rotation about the axis of rotation 11.
- the varistor blocks 13a, 13b, 13c, 13d of the varistor modules 12a, 12b, 12c, 12d with each other contacted elekt ⁇ driven, and the individual varistor modules 12a, 12b, 12c, 12d are angularly rigid interconnected.
- the connection fittings 17, 18 each have opposite coupling elements.
- connection fittings 17, 18 are formed, for example, from an electrically conductive material and serve to complete a Ableitstrompfades the illustrated in Figure 2 modular surge supervisor.
- a first connection fitting 17 has a contact pin.
- a second connection fitting 18 is mades taltet ⁇ as the bottom plate, so that the surge arrester in the assembled state can be secured on the foot side and supported.
- the varistor modules 12a, 12b, 12c, 12d are each provided with an electrically insulating sheath, wherein these are formed such that the electrically insulating Um ⁇ sheaths of adjacent varistor elements 12a, 12b, 12c, 12d are pressed against each other, so that the shell side, the entire Length of the varistor blocks 13a, 13b, 13c, 13d is surrounded by an insulating layer.
- penetration of moisture into the interior of the surge arrester shown in the figure 2 can for example, be at least partially ver ⁇ hindrance.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Emergency Protection Circuit Devices (AREA)
- Thermistors And Varistors (AREA)
- Details Of Resistors (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0808571-4A BRPI0808571A2 (pt) | 2007-03-01 | 2008-02-22 | Protetor de surto tendo um arranjo de varistor, e módulo de varistor para uso em um protetor de surto |
CN2008800140743A CN101675486B (zh) | 2007-03-01 | 2008-02-22 | 带有压敏电阻装置的电涌放电器及用于电涌放电器中的压敏电阻模块 |
CA002679439A CA2679439A1 (en) | 2007-03-01 | 2008-02-22 | Surge arrester having a varistor arrangement, and varistor module for use in a surge arrester |
MX2009009135A MX2009009135A (es) | 2007-03-01 | 2008-02-22 | Descargador de tension con una disposicion de varistor y un modulo de varistor para la utilizacion en un descargador de tension. |
US12/528,843 US20100103581A1 (en) | 2007-03-01 | 2008-02-22 | Surge arrester having a varistor arrangement and varistor module for use in a surge arrester |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007010857A DE102007010857A1 (de) | 2007-03-01 | 2007-03-01 | Überspannungsableiter mit einer Varistoranordnung und Varistormodul zur Verwendung in einem Überspannungsableiter |
DE102007010857.7 | 2007-03-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008104510A1 true WO2008104510A1 (de) | 2008-09-04 |
Family
ID=39415045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/052181 WO2008104510A1 (de) | 2007-03-01 | 2008-02-22 | Überspannungsableiter mit einer varistoranordnung und varistormodul zur verwendung in einem überspannungsableiter |
Country Status (7)
Country | Link |
---|---|
US (1) | US20100103581A1 (de) |
CN (1) | CN101675486B (de) |
BR (1) | BRPI0808571A2 (de) |
CA (1) | CA2679439A1 (de) |
DE (1) | DE102007010857A1 (de) |
MX (1) | MX2009009135A (de) |
WO (1) | WO2008104510A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102473495A (zh) * | 2009-06-30 | 2012-05-23 | 西门子公司 | 电气组件的端部配件以及端部配件的压紧方法 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202008018653U1 (de) | 2008-02-05 | 2017-07-20 | Siemens Aktiengesellschaft | Anordnung mit einem Überspannungsableiter |
DE102008008022B4 (de) | 2008-02-05 | 2018-03-22 | Siemens Aktiengesellschaft | Anordnung mit einem Überspannungsableiter |
CN101848545B (zh) * | 2010-04-21 | 2014-03-12 | 中兴通讯股份有限公司 | 一种载波聚合中组成载波分配方法和装置 |
EP2573779A1 (de) * | 2011-09-23 | 2013-03-27 | ABB Technology | Elektrischer Isolator und Herstellungsverfahren |
EP2698795B1 (de) * | 2012-08-16 | 2020-03-11 | Siemens Aktiengesellschaft | Überspannungsableiter |
CN104051096A (zh) * | 2013-05-03 | 2014-09-17 | 湖北文理学院 | 压敏电阻器组合块 |
EP3001430A1 (de) * | 2014-09-29 | 2016-03-30 | Siemens Aktiengesellschaft | Überspannungsableitvorrichtung |
DE102016217501A1 (de) | 2016-09-14 | 2018-03-15 | Siemens Aktiengesellschaft | Hängeanordnung für elektrische Betriebsmittel |
Citations (3)
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US5936826A (en) * | 1998-03-25 | 1999-08-10 | Asea Brown Boveri Ag | Surge arrester |
EP0963590B1 (de) * | 1997-02-25 | 2004-11-17 | Tyco Electronics UK Limited | Verbesserungen an elektrischen überspannungsableitern |
EP1603141A1 (de) * | 2004-06-04 | 2005-12-07 | ABB Technology AG | Gasisolierter Überspannungsableiter |
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US2559024A (en) * | 1944-07-19 | 1951-07-03 | Electric Service Mfg Company | Electrical disconnector |
US2757261A (en) * | 1951-07-19 | 1956-07-31 | Westinghouse Electric Corp | Circuit interrupters |
CH635461A5 (de) * | 1979-01-11 | 1983-03-31 | Bbc Brown Boveri & Cie | Starkstromschalter mit sprengausloesung. |
US4276578A (en) * | 1979-05-10 | 1981-06-30 | General Electric Company | Arrester with graded capacitance varistors |
US4296002A (en) * | 1979-06-25 | 1981-10-20 | Mcgraw-Edison Company | Metal oxide varistor manufacture |
US5057810A (en) * | 1991-02-14 | 1991-10-15 | Hubbell Incorporated | Arrester isolator-disconnector |
EP0506393B1 (de) * | 1991-03-27 | 1997-05-28 | Ngk Insulators, Ltd. | Begrenzer |
CH682858A5 (de) * | 1991-12-04 | 1993-11-30 | Asea Brown Boveri | Ueberspannungsableiter. |
US5363266A (en) * | 1992-06-18 | 1994-11-08 | Raychem Corporation | Electrical surge arrester |
US5594613A (en) * | 1992-10-09 | 1997-01-14 | Cooper Industries, Inc. | Surge arrester having controlled multiple current paths |
US6735068B1 (en) * | 2001-03-29 | 2004-05-11 | Mcgraw-Edison Company | Electrical apparatus employing one or more housing segments |
-
2007
- 2007-03-01 DE DE102007010857A patent/DE102007010857A1/de not_active Withdrawn
-
2008
- 2008-02-22 CA CA002679439A patent/CA2679439A1/en not_active Abandoned
- 2008-02-22 US US12/528,843 patent/US20100103581A1/en not_active Abandoned
- 2008-02-22 CN CN2008800140743A patent/CN101675486B/zh not_active Expired - Fee Related
- 2008-02-22 WO PCT/EP2008/052181 patent/WO2008104510A1/de active Application Filing
- 2008-02-22 BR BRPI0808571-4A patent/BRPI0808571A2/pt not_active IP Right Cessation
- 2008-02-22 MX MX2009009135A patent/MX2009009135A/es active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0963590B1 (de) * | 1997-02-25 | 2004-11-17 | Tyco Electronics UK Limited | Verbesserungen an elektrischen überspannungsableitern |
US5936826A (en) * | 1998-03-25 | 1999-08-10 | Asea Brown Boveri Ag | Surge arrester |
EP1603141A1 (de) * | 2004-06-04 | 2005-12-07 | ABB Technology AG | Gasisolierter Überspannungsableiter |
Cited By (1)
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CN102473495A (zh) * | 2009-06-30 | 2012-05-23 | 西门子公司 | 电气组件的端部配件以及端部配件的压紧方法 |
Also Published As
Publication number | Publication date |
---|---|
MX2009009135A (es) | 2009-09-03 |
CN101675486A (zh) | 2010-03-17 |
DE102007010857A1 (de) | 2008-09-04 |
CA2679439A1 (en) | 2008-09-04 |
CN101675486B (zh) | 2011-11-23 |
US20100103581A1 (en) | 2010-04-29 |
BRPI0808571A2 (pt) | 2014-09-02 |
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