EP1357649B1 - Trennvorrichtung - Google Patents

Trennvorrichtung Download PDF

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Publication number
EP1357649B1
EP1357649B1 EP03405217A EP03405217A EP1357649B1 EP 1357649 B1 EP1357649 B1 EP 1357649B1 EP 03405217 A EP03405217 A EP 03405217A EP 03405217 A EP03405217 A EP 03405217A EP 1357649 B1 EP1357649 B1 EP 1357649B1
Authority
EP
European Patent Office
Prior art keywords
propellant
propellant means
arc
conductor
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03405217A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1357649A1 (de
Inventor
Peter Zeller
Walter Schmidt
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.)
ABB Schweiz AG
Original Assignee
ABB Schweiz 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 ABB Schweiz AG filed Critical ABB Schweiz AG
Priority to EP03405217A priority Critical patent/EP1357649B1/de
Publication of EP1357649A1 publication Critical patent/EP1357649A1/de
Application granted granted Critical
Publication of EP1357649B1 publication Critical patent/EP1357649B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T1/00—Details of spark gaps
    • H01T1/12—Means structurally associated with spark gap for recording operation thereof
    • 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
    • H01T1/00—Details of spark gaps
    • H01T1/14—Means structurally associated with spark gap for protecting it against overload or for disconnecting it in case of failure

Definitions

  • a device for separating a current-carrying electrical conductor according to the preamble of claim 1.
  • This device includes a housing and two out of the housing Power connections. Inside the housing are the two power connections provided electrically conductive interconnecting conductor portion and a Propellant, which is above a predefinable current-dependent limit the separation of the electrical conductor causes. The separation takes place in general depending on the shape, height and duration of a electric conductor led current.
  • As means for separating the electrical Ladders are typically fuse wires, spring mechanisms or explosive-filled primer used.
  • the electrical conductor puts in In general, a connection between a surge arrester and earth or High-voltage potential. Accordingly, the surge arrester by disconnecting the conductor from ground or high voltage potential separated.
  • the invention takes a prior art of Separators reference, as described for example in US 5,434,550 A. is.
  • One of the described separation devices is used for separating a Surge arrester of earth potential and has an insulating material housing, from which two power outlets are led out. Inside the case are one filled with Expositivstoff cartridge and two in parallel between the two Power connections switched current paths provided. A low impedance of the both current paths contains a coil-shaped fuse wire, however, a high-impedance executed two current paths one between two Rings arranged spark gap. In normal operation of the arrester only flows a very low and only a permissible heating of the separator causing leakage through the fuse wire.
  • a separator of the type mentioned for a Surge arrester is also described in DE 100 30 669 A1.
  • At this Device is a gas generator based on an airbag in a blind hole a conductor portion of a Ableitstrombahn arranged. When a langandauemden fault current, the airbag from an electrical signal ignited, which in a traversed by the fault current inductive transducer is produced. Such a device is comparatively expensive.
  • Patent Abstracts of Japan Vol. 013, no. 429 (E-823) & JP-A-01 159984 describe a surge arrester, which has a device for separating upstream of a current-carrying electrical conductor.
  • This device has two each designed as a metal flange power connectors, of which the one via a connecting conductor with a live conductor electrically connected, and the other electrically conductive on one Flange of the surge arrester is held.
  • This device has a insulating gas-filled housing in the interior of the réelletutede electrical Ladder is arranged.
  • the housing is formed by an insulating tube and the both acting as a power connection metal flanges, which at the abut both end faces of the insulating tube and its interior to the outside to lock.
  • the arranged inside the housing conductor contains two Sections, one of which is designed as a fusible wire.
  • the other Section is flexible and is inside one of one Completed pressure relief plate and with a compressed insulating gas filled bell
  • the arrester leads virtually no power. Both flanges are at the same potential as over the inside of the case arranged conductor potential equalization is brought about. Leads the arrester a fault current, the melt wire is melted.
  • This device requires mechanical means for storing one for separation the conductor required energy. Therefore, she is also comparatively consuming.
  • the propellant is free from ignitable Held and is selected such that the required for separation Amount of compressed gas by the current work of the fault current thermally from the Propellant is releasable. Due to the electricity work, the propellant is heated and thermally decomposed by the supply of heat until the desired amount of compressed gas is present in the housing.
  • the pressurized gas is endothermic and therefore good generated to be controlled process.
  • the separation device according to the invention can therefore be manufactured, distributed, assembled and maintained without in this case, those dealing with flammable substances, in particular explosives, prescribed precautions must be observed. This will not only an otherwise available potential for a trade in the manufacture, transportation, Installation and waiting are avoided, but at the same time costs and time saved in the use of explosives for the sake of a Reduction of security risk and compliance with safety regulations attack.
  • the propellant has a as a result of evaporation gas-developing additive, which with advantage a Liquid, such as in particular water, but optionally also an alcohol.
  • a Liquid such as in particular water, but optionally also an alcohol.
  • This liquid can be very convenient and in comparatively large amount of be absorbed by an adsorber. For reasons of economy and around It is recommended to operate the separator reliably and safely. to provide water as a liquid.
  • the adsorber then advantageously has capillary and / or crystal structure and can then in dielectrically harmless manner store large amounts of water.
  • Substances having silicate, aluminate and / or aluminosilicate structure, and such as talc (soapstone), zeolite and / or wet earth (clay, Sand) in cavities, such as capillaries or intermediate layers, in physical bound form contain large amounts of water.
  • the water can be incorporated chemically into the propellant in the form of water of crystallization be.
  • Particularly preferred examples of these are crystallized hydroxides, such as for example, hydrargillite.
  • a blowing agent used which contains a gas-forming material, which is above a Limit temperature is decomposed mainly endothermic.
  • a gas-forming material which is above a Limit temperature is decomposed mainly endothermic.
  • PMMA Polymethyl methacrylates
  • PUR polyurethanes
  • silicones silicone gels
  • Silicone oils mineral oils or organic oils or fats.
  • the separator For a good operation of the separator and for a quick acting Responsiveness should the propellant conveniently inside the housing be arranged. If the separator with a possibly relatively large Respond delay time, so the separator should be one to the ladder section connected in parallel and arranged inside the housing spark gap to Recording of an arc formed during the separation of the electrical conductor should have one of the two electrodes of the spark gap as a hollow electrode be executed and should the interior of the hollow electrode then the blowing agent take up.
  • a well reproducible response characteristic is achieved when the hollow electrode in a foot of the arc receiving Section has a wall thickness, which is above a predetermined value the arc work the gas-forming action of the arc on the Propellant allows.
  • a particularly effective arrangement of the propellant is achieved when the formed in the manner of a coil conductor section is integrated into the housing wall, because then filled the exposed interior of the housing with propellant can be and only record the spark plugs connected in parallel got to.
  • FIGS. 1 to 4 each show a plan view of one of four Separating devices according to the invention, in which in each case the front of a axially symmetrical executed housing respectively after execution of a Axial section was removed.
  • the In the figures 1 to 4 exemplified separation devices each have essentially axially symmetrical arrangement two axially from each other spaced power connections 1, 2 and one the two power connections fixing housing 3 made of an insulating material, such as porcelain or a thermosetting or thermoplastic polymer.
  • the case can be roughly through Casting the insulating material, be made in one piece, but can also be made of two or more parts.
  • the housing 3 has a cylindrical Interior 4, the two end sides of each of a surface 5 and 6 each one of the two power connections 1 and 2 are formed and the lateral surface thereof is formed by the housing 3.
  • the two power connections are in all embodiments to form a low-resistance current paths with the help of one between the two surfaces 5, 6 switched conductor section 7 electrically connected to each other.
  • this conductor section has a in the interior. 4 arranged on ohmic resistor 8, in the embodiments according to Fig.2 an arranged in the interior 4 inductor 9, in the embodiment according to 3 a arranged in the interior of fusible conductor 10 and in the Embodiment of Figure 4 integrated into the housing 3 by pouring Inductance 11.
  • inventions of Figures 1, 2 and 4 also have one high-impedance current path with a by an arc 12 identified made, axially symmetric running spark gap.
  • An electrode of Spark gap is formed by the surface 5, another electrode 13 of a Tip of a recessed on the surface 6 in the power connector 2 pin.
  • Of the high-resistance current path is parallel to that through the conductor section. 7 represented low impedance current path.
  • FIG. 1 is explosive-free propellant, typically moist soil, in the hollow electrode 13.
  • a foot of the arc 12 receiving Section of the electrode 13 has a wall thickness which is above a given value of the arc work, the gas - forming action of the Arc allowed on the propellant.
  • the Arc work is generally not sufficient to activate the propellant. at a long-lasting fault current, however, exceeds the arc work a preset limit.
  • the propellant the remaining volume of the interior of the fourth fill out.
  • the arc 12 is then ignited in the propellant and forms Immediately after its ignition in the interior 4 pressurized gas.
  • the pressurized gas formation depends on the arc work.
  • suitable design of the Type and amount of blowing agent and the strength of the housing can so be achieved that the housing is destroyed only when the Arc work has exceeded the specified limit.
  • Transient overvoltages generated by short surges can be so without Destruction of the housing 3 are performed in the separator, whereas long fault currents for the separation of the electrical conductor and the Disconnect the surge arrester from ground or from the mains.
  • the inductance is advantageously designed as a fuse wire. Low fault currents can be interrupted by melting the wire of the inductor 9 become. An arc formed here becomes particularly effective with immediate provided in the interior 4 and suppressed as extinguishing agent blowing agent.
  • the embodiment of Figure 3 is only one by an axially guided Melt conductor 10 formed conductor section 7 of the low-resistance current path intended.
  • a high-resistance current path containing a spark gap is unavailable.
  • the propellant may be all or part of the Interior 4 fill.
  • it can be used as a wrapper on the Melt conductor 10 may be applied.
  • suitable dimensioning of the propellant can also in this separation device, a bursting of the housing 3 only then be achieved when a formed after melting of the wire 10 Arc performs a sufficient amount of work.

Landscapes

  • Fuses (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Centrifugal Separators (AREA)
EP03405217A 2002-04-25 2003-04-01 Trennvorrichtung Expired - Lifetime EP1357649B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03405217A EP1357649B1 (de) 2002-04-25 2003-04-01 Trennvorrichtung

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02405342 2002-04-25
EP02405342 2002-04-25
EP03405217A EP1357649B1 (de) 2002-04-25 2003-04-01 Trennvorrichtung

Publications (2)

Publication Number Publication Date
EP1357649A1 EP1357649A1 (de) 2003-10-29
EP1357649B1 true EP1357649B1 (de) 2005-11-09

Family

ID=29266031

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03405217A Expired - Lifetime EP1357649B1 (de) 2002-04-25 2003-04-01 Trennvorrichtung

Country Status (8)

Country Link
US (1) US7289309B2 (ru)
EP (1) EP1357649B1 (ru)
JP (1) JP4138564B2 (ru)
CN (1) CN100423391C (ru)
AT (1) ATE309635T1 (ru)
DE (1) DE50301587D1 (ru)
ES (1) ES2252645T3 (ru)
RU (1) RU2310958C2 (ru)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060287934A1 (en) * 2005-06-20 2006-12-21 Rowe Marshall R Iii Method of and system for monitoring real time market data
DE102011053414B4 (de) * 2011-09-08 2016-11-17 Phoenix Contact Gmbh & Co. Kg Überspannungsschutzgerät mit einer thermischen Abtrennvorrichtung
EP2698795B1 (de) 2012-08-16 2020-03-11 Siemens Aktiengesellschaft Überspannungsableiter
CN106796856B (zh) * 2014-10-03 2020-03-06 管理科学有限公司 防止电气导管中电弧故障的方法、系统和装置
MX2017006404A (es) 2014-12-02 2017-09-11 Cooper Technologies Co Fusible de alimentacion y metodos de fabricacion con mitigacion de arco y manejo termico mejorados.
CN107564767B (zh) * 2017-09-20 2019-04-12 南京理工大学 一种可实现多次开关动作的金属丝阵开关
DE102019207465A1 (de) * 2019-05-22 2020-11-26 Siemens Aktiengesellschaft Abtrennvorrichtung für einen Überspannungsableiter und Anordnung
CN110853994B (zh) * 2019-11-28 2021-12-28 浦江利浩电子科技有限公司 一种可重复使用的连断式熔断器
US20220077673A1 (en) * 2020-09-09 2022-03-10 Abb Power Grids Switzerland Ag Chargeless interrupter device for surge arrester

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757261A (en) * 1951-07-19 1956-07-31 Westinghouse Electric Corp Circuit interrupters
US2694123A (en) * 1953-09-21 1954-11-09 Gen Electric Gas blast fuse
US3268690A (en) * 1963-10-11 1966-08-23 Westinghouse Electric Corp Fuse constructions including a gas filled reservoir
US3265838A (en) * 1963-11-14 1966-08-09 Westinghouse Electric Corp Gas propelled fuse link
US3305656A (en) * 1963-12-26 1967-02-21 Gen Electric Electrical insulation containing a molecular sieve having adsorbed perhalogenated fluid
US3227642A (en) * 1964-02-26 1966-01-04 Jerome H Lemelson Fluid processing apparatus and method
US3909570A (en) * 1973-10-11 1975-09-30 S & C Electric Co High voltage circuit interrupter switch arrangement
US4250365A (en) * 1978-03-22 1981-02-10 Electric Power Research Institute, Inc. Current interrupter for fault current limiter and method
US4342978A (en) * 1979-03-19 1982-08-03 S&C Electric Company Explosively-actuated switch and current limiting, high voltage fuse using same
US4434336A (en) * 1981-08-12 1984-02-28 Brown Boveri Electric, Inc. Liquid SF6 interrupter with arc energy driven piston and contact
US4566401A (en) * 1983-04-04 1986-01-28 Kinki Denki Co., Ltd. Dynamic current interruption-type indicators and method therefor
US4663692A (en) * 1985-06-27 1987-05-05 Westinghouse Electric Corp. Electrical surge arrester and disconnector
JPH01159984A (ja) * 1987-12-17 1989-06-22 Mitsubishi Electric Corp 避雷器切り離し装置
JPH03165479A (ja) * 1989-11-22 1991-07-17 Mitsubishi Electric Corp 避雷器の故障動作装置
US5113167A (en) * 1991-02-15 1992-05-12 Hubbell Incorporated Lightning arrester isolator
US5434550A (en) * 1994-04-07 1995-07-18 Hubbell Incorporated Arrester disconnector
US5471185A (en) * 1994-12-06 1995-11-28 Eaton Corporation Electrical circuit protection devices comprising conductive liquid compositions
EP0898802B1 (de) * 1996-05-15 2001-09-19 FRIWO Gerätebau GmbH Vorrichtung zum schutz einer elektronischen schaltung
US5952910A (en) * 1997-12-04 1999-09-14 Hubbell Incorporated Isolator device for arrester
DE10030669A1 (de) * 2000-06-23 2002-01-10 Siemens Ag Vorrichtung zum Erfassen eines Fehlers in der Ableitstrombahn eines Hochspannungs-Überspannungsableiters
DE10047503A1 (de) * 2000-09-21 2002-04-18 Disa Tech Technologie Entwickl Sorptionsreaktor

Also Published As

Publication number Publication date
JP4138564B2 (ja) 2008-08-27
ES2252645T3 (es) 2006-05-16
US20030210508A1 (en) 2003-11-13
US7289309B2 (en) 2007-10-30
CN1453912A (zh) 2003-11-05
CN100423391C (zh) 2008-10-01
EP1357649A1 (de) 2003-10-29
DE50301587D1 (de) 2005-12-15
RU2310958C2 (ru) 2007-11-20
ATE309635T1 (de) 2005-11-15
JP2003332019A (ja) 2003-11-21

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