EP3073588A1 - Agencement d'isolateurs pour un câble aérien - Google Patents

Agencement d'isolateurs pour un câble aérien Download PDF

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Publication number
EP3073588A1
EP3073588A1 EP15160534.2A EP15160534A EP3073588A1 EP 3073588 A1 EP3073588 A1 EP 3073588A1 EP 15160534 A EP15160534 A EP 15160534A EP 3073588 A1 EP3073588 A1 EP 3073588A1
Authority
EP
European Patent Office
Prior art keywords
insulator
surge arrester
mounting
arrangement
spark
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Withdrawn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
EP15160534.2A
Other languages
German (de)
English (en)
Inventor
Alexander Bockarev
Daniel Flohe
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 Energy Global GmbH and Co KG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to EP15160534.2A priority Critical patent/EP3073588A1/fr
Priority to BR112017019636-0A priority patent/BR112017019636A2/pt
Priority to JP2017546106A priority patent/JP6643349B2/ja
Priority to CN201680017315.4A priority patent/CN107431334B/zh
Priority to PCT/EP2016/055033 priority patent/WO2016150709A1/fr
Priority to US15/561,216 priority patent/US10672541B2/en
Priority to KR1020177030102A priority patent/KR101945144B1/ko
Publication of EP3073588A1 publication Critical patent/EP3073588A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
    • 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
    • H01T1/16—Series resistor structurally associated with spark gap
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/02—Suspension insulators; Strain insulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/14—Supporting insulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12—Overvoltage protection resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • 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
    • H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
    • H01T4/14—Arcing horns
    • 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
    • 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
    • H01T1/20—Means for starting arc or facilitating ignition of spark gap
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/06—Mounting arrangements for a plurality of overvoltage arresters
    • 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
    • H01T4/08—Overvoltage arresters using spark gaps structurally associated with protected apparatus

Definitions

  • the invention is in the field of electrical engineering and refers specifically to an insulator arrangement for an overhead line.
  • Such overhead lines are used in power transmission networks for the transport of electrical energy in the high voltage range.
  • Individual rope-like conductors are usually to be fastened to masts by means of holding insulators.
  • line arresters are used in this connection in order to dissipate any overvoltages, for example due to lightning strikes, to the ground potential.
  • Line arresters are connected in a power transmission network, in particular in high-voltage networks with voltages above 1 kV, in parallel with a line insulator of the overhead line. They contain a dissipation element made of non-linear metal oxide resistors in a porcelain or plastic housing. Line arresters are preferably used where, due to a lack of or insufficient earth-wire protection and / or high resistance to crushing joints (eg in the case of heavily rocky subsoil), rear-side overturning occurs frequently. To subsequently increase the reliability of already existing transmission or distribution lines is often the installation of line arresters on all or even on some masts a cost effective alternative to improve the Erdseilschutzes or the Masterdungsön. Line arresters are used both in sparkless technology and in conjunction with an external series spark gap, which isolate the arresters in normal operation, against switching overvoltages or even after an overload of the line used. In the following, only line arresters with external series spark gaps are considered.
  • a line arrester with external series spark gap (English: externally gapped line arrester or EGLA) has a series connected to the diverter spark gap.
  • One end of the line arrester is earthed at a grounding point of the transmission tower, at the other end there is a spark electrode, which forms a spark gap with a spark horn at the high voltage end of the line insulator.
  • the overhead line instead of the sparking horn, the overhead line itself can serve as the high-voltage end of the spark gap.
  • the present invention is based on the object to provide an insulator arrangement for an overhead line, which allows easy installation, even in the case of retrofitting.
  • the invention relates concretely to an insulator arrangement for an overhead line, comprising a holding insulator for fastening an overhead line to a mast and a line arrester arrangement arranged electrically parallel to the holding insulator with a surge arrester electrically connected to ground potential and a spark gap connected in series with a first spark electrode connected to the overhead line and a second spark electrode connected to the surge arrester.
  • the laptopioketametametametame as the object is achieved according to the invention in that the picnicsableiteranssen has a mountable to the overhead line mounting insulator, wherein the first spark electrode is attached to a first fastening device at a first end of the mounting insulator and the second spark electrode to a second fastening device at a second end of the mounting insulator ,
  • the mounting insulator is preferably designed as a rigid long-rod insulator. He offers with the two fastening devices a holder for the surge arrester or the spark electrode. Each spark electrode may either be attached directly to one end of the fixture or the spark electrode is attached to one end of an over-surge arrester which in turn is attached to the fixture at its other end. Over the length of the mounting insulator, the distance between the two spark electrodes and thus the spark gap is determined.
  • the mounting insulator thus forms together with the surge arrester and the spark electrodes a mechanically stable compact unit which can be easily attached via a holding device on the overhead line. The connection to the earth potential can be made via a ground line to the mast.
  • Such a Kausableiteran extract is independent of attaching to the holding insulators fasteners and can be attached in the vicinity or at a certain distance from the holding insulator to the overhead line.
  • the mounting insulator is designed as a long-rod insulator.
  • the mounting insulator can be provided as a prefabricated product that can be produced industrially in large numbers for a low price.
  • Such rod insulators usually consist of a glass fiber reinforced plastic material, which is protected by a coating for weather protection in the form of, for example, a silicone material from the weather.
  • the mounting insulator may have a lower mechanical stability than the holding insulator.
  • the overall arrangement can be produced particularly inexpensively.
  • a further advantageous embodiment of the invention provides that the first and / or second attachment device connects spark electrode or a surge arrester with the mounting insulator angle stiff.
  • the angle-rigid attachment may comprise a pivoting device, which allows an alignment of the spark electrode or the surge arrester during assembly. After alignment, the pivoting device is fixed, for example by clamping screws and again angle stiff.
  • a further advantageous embodiment of the invention provides that the Kirsableiteran Aunt has at least two surge arresters.
  • the invention can advantageously be configured in that the spark gap is arranged between the two surge arresters.
  • the two surge arresters are separated by the spark gap. By dividing the function of the Overvoltage arresters on two individual surge arresters can be made shorter and thus subject to a lower bending load.
  • Each of the surge arresters can then, for example, carry a spark electrode of the spark gap.
  • the respective spark electrode is expediently arranged and fastened in each case to an end fitting of the surge arrester.
  • a surge arrester with a first end is attached to each of the fastening devices angle stiff and at a second end of each surge arrester a spark electrode is arranged in each case.
  • the function of the surge arrester is divided into two preferably similar parts. Each part consists of a surge arrester and a spark electrode attached to it. Each of the two parts is attached to one of the fastening devices.
  • the surge arresters are each fixed at one end to the fastening device with an angle.
  • the spark electrodes are respectively arranged at the other end of the surge arrester and together form the spark gap.
  • An advantageous embodiment of the invention may provide that at least one spark electrode rod-shaped, arranged at the end of a surge arrester and inclined with respect to its longitudinal axis against the longitudinal axis of the surge arrester.
  • the two surge arresters are constructed similar.
  • the two surge arresters for example, in their angles against each other adjustable, whereby the angular ratio of the rigid-shaped spark electrodes is adjustable and the distance between the spark electrodes to each other.
  • the spark electrode is rotatable about the longitudinal axis of the surge arrester.
  • spark electrodes are rotatable with respect to the longitudinal axis of the respective surge arrester to which they are attached, a spacing adjustment of the two spark electrodes to one another can also follow via a rotation of the spark electrodes.
  • FIG. 1 shows in detail an overhead pole 3 with a boom 20, which represents a horizontal arm for supporting an overhead line 2.
  • Such overhead lines 2 are designed, for example, as stranded stranded conductors for conducting electrical energy.
  • Such holding insulators 4 are usually made of porcelain or other inorganic material or else made of a material such as glass fiber reinforced plastic, and usually have screens to extend the creepage distance.
  • an outer coating for example consisting of silicone, is usually provided, which forms the shielding.
  • the holding insulators 4 must on the one hand carry the weight of the overhead line 2, on the other hand absorb the applied by the bracing of the overhead line forces. Because of this, such holding insulators 4 are generally constructed to be mechanically stable.
  • a Dunsableiteran Mr 8 is electrically connected in parallel to the holding insulator 4. Both the holding insulator 4 and the Dunsableiteran Mr 8 are electrically connected between the overhead line 2 and the mast 3 to the ground.
  • the dormitorsableiteran Mr 8 has the function, in case of overvoltages in the overhead line 2, for example, by lightning strikes, derive the overvoltage that has occurred to the earth.
  • the dormitorsableiteran extract 8 consists of a mounting insulator 5, a surge arrester 9 and two spark electrodes 6, 7.
  • the holding insulator 4 is connected at a first end to the overhead line 2.
  • the opposing second end of the mounting insulator 5 is connected via a ground cable to the mast 3 or a boom 20 and above ground potential.
  • a spark electrode 6 is fixed.
  • a surge arrester 9 is attached to a second spark electrode 7.
  • the space between the spark electrodes 6, 7 forms the spark gap 11.
  • the mounting insulator 5 thus represents on the one hand an attachment for the spark electrode 6 and the surge arrester 9 and at the same time over its length the distance of the spark electrodes 6 and 7 and thus the length of the spark gap eleventh firmly.
  • FIG. 2 further shows an alternative embodiment of the invention, with respect to the FIG. 1 the mast is shown only torn.
  • the mast is shown only torn.
  • FIG. 1 are here at first and at the second end of the mounting insulator 5 surge arrester 9, 10 with spark electrodes 6, 7 attached.
  • the FIG. 3 shows a more detailed illustration of the Kirsableiteran Aunt 8 of the FIG. 2
  • the mounting insulator 5 is shown here as a long-rod insulator.
  • Such a long-rod insulator has a core made of a glass fiber reinforced plastic, whereupon a protective cover, usually made of silicone, is applied.
  • the protective cover usually has screens for Kriechwegverinrung.
  • the mounting insulator 5 has a fastening device 12.
  • the first fastening device 12 and the second fastening device 13 each have a fastening arm 25, 26.
  • a surge arrester 9, 10 is attached to one end.
  • the attachment arms 25, 26 may extend from their mounting point on the mounting insulator 5 on both sides of the mounting insulator 5.
  • the surge arrester 9 or as here two surge arresters 9, 10 are attached.
  • further components of theönsableiteran Aunt 8 may be attached.
  • arc electrodes 17, 18 may be arranged, which, if a surge arrester 9, 10 is defective, lead the occurring in case of overvoltage arc and keep away from the mounting insulator 5.
  • the distance of the arc electrodes 17, 18 is smaller than the length of the mounting insulator 5 and larger than the spark gap eleventh
  • One or both ends of the attachment arms 25, 26 may be provided with field control elements.
  • the surge arresters 9, 10 opposite ends of the mounting arms 25, 26 arranged rounded plates, whereby the voltage spikes are prevented.
  • each surge arrester 9, 10 At its attachment to the fastening arm 25, 26 opposite end of each surge arrester 9, 10 a spark electrode 6, 7 on.
  • the spark electrodes 6, 7 are spaced from each other. This distance forms the spark gap 11.
  • the surge arrester 9, 10 have an electrically insulating protective housing for protection against weather conditions. Inside the protective housing not shown varistors are arranged here.
  • the two surge arresters 9, 10 are separated from one another via the spark gap 11.
  • the surge arresters 9, 10 are arranged on the mounting arms 25, 26 such that their longitudinal axis 21 is arranged at an angle to the longitudinal axis 30 of the mounting insulator. The angle here is about 45 ° and can be between 30 ° and 60 °.
  • the spark electrodes 6, 7 are each arranged at one end of the surge arrester 9, 10.
  • the mounting arm 25 is made of an electrically conductive material and provides an electrical connection of the surge arrester via the fastening device 12 and the holding device 23 with the overhead line 2 and thus with the high voltage potential.
  • the second end of the mounting insulator 5 via the second fastening device 13 with the mounting arm 26 fortified surge 9 is connected by means of a ground cable 16 to the mast or a boom 20 with the earth.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Insulators (AREA)
  • Electric Cable Installation (AREA)
EP15160534.2A 2015-03-24 2015-03-24 Agencement d'isolateurs pour un câble aérien Withdrawn EP3073588A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP15160534.2A EP3073588A1 (fr) 2015-03-24 2015-03-24 Agencement d'isolateurs pour un câble aérien
BR112017019636-0A BR112017019636A2 (pt) 2015-03-24 2016-03-09 arranjo de isolantes para uma linha aérea.
JP2017546106A JP6643349B2 (ja) 2015-03-24 2016-03-09 架空線用の碍子装置
CN201680017315.4A CN107431334B (zh) 2015-03-24 2016-03-09 用于架空线的绝缘装置
PCT/EP2016/055033 WO2016150709A1 (fr) 2015-03-24 2016-03-09 Ensemble isolateur pour une ligne électrique aérienne
US15/561,216 US10672541B2 (en) 2015-03-24 2016-03-09 Insulator arrangement for an overhead line
KR1020177030102A KR101945144B1 (ko) 2015-03-24 2016-03-09 가공 선로용 애자 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15160534.2A EP3073588A1 (fr) 2015-03-24 2015-03-24 Agencement d'isolateurs pour un câble aérien

Publications (1)

Publication Number Publication Date
EP3073588A1 true EP3073588A1 (fr) 2016-09-28

Family

ID=52814819

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15160534.2A Withdrawn EP3073588A1 (fr) 2015-03-24 2015-03-24 Agencement d'isolateurs pour un câble aérien

Country Status (7)

Country Link
US (1) US10672541B2 (fr)
EP (1) EP3073588A1 (fr)
JP (1) JP6643349B2 (fr)
KR (1) KR101945144B1 (fr)
CN (1) CN107431334B (fr)
BR (1) BR112017019636A2 (fr)
WO (1) WO2016150709A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11322913B2 (en) * 2018-09-28 2022-05-03 Hitachi Energy Switzerland Ag Externally gapped line arrester

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018118906B3 (de) * 2018-08-03 2019-10-17 Phoenix Contact Gmbh & Co. Kg Überspannungsschutzgerät
DE102018118898B3 (de) 2018-08-03 2019-10-24 Phoenix Contact Gmbh & Co. Kg Halteanordnung und Anordnung von mindestens zwei Stapelfunkenstrecken
CA3110844A1 (fr) * 2018-08-21 2020-02-27 Siemens Energy Global GmbH & Co. KG Isolant comprenant une armature d'extremite et dispositif de connexion ainsi qu'agencement pour la reduction de surtension
CN112103889B (zh) * 2020-09-17 2022-02-25 中国能源建设集团南京线路器材有限公司 一种地线融冰自动接线装置绝缘化保护设备
CN113708328B (zh) * 2021-08-24 2023-05-16 中国南方电网有限责任公司超高压输电公司检修试验中心 用于光电分离器的保护结构
KR102498321B1 (ko) 2022-05-26 2023-02-10 주식회사 준원엔지니어링 가공송전선의 안전한 지지를 위한 가공송전 지지장치
KR102498320B1 (ko) 2022-05-27 2023-02-10 주식회사 준원엔지니어링 가공송전선의 이탈방지를 위한 안전형 가공송전선 고정장치

Citations (5)

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Publication number Priority date Publication date Assignee Title
US4467387A (en) * 1982-09-30 1984-08-21 General Electric Company Combination strut insulator and lightning arrester
EP0406099A1 (fr) * 1989-06-30 1991-01-02 Sediver, Societe Europeenne D'isolateurs En Verre Et Composite Isolateur de ligne à courant alternatif muni d'un éclateur de protection
FR2825525A1 (fr) * 2001-06-01 2002-12-06 Sediver Parafoudre comprenant une varistance reliee par une articulation a un eclateur
EP1432089A1 (fr) * 2001-09-17 2004-06-23 Central Research Institute of Electric Power Industry Dispositif a cornes de garde
US20120087055A1 (en) 2010-10-06 2012-04-12 Woodworth Jonathan J Externally gapped line arrester

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US5283709A (en) * 1989-12-07 1994-02-01 Hitachi, Ltd. Lightning arrester on tower for power transmission
CA2038720A1 (fr) * 1990-04-02 1991-10-03 Takeshi Kawamura Parafoudre
JPH0473880A (ja) 1990-07-12 1992-03-09 Sumitomo Electric Ind Ltd 避雷器
EP0506393B1 (fr) * 1991-03-27 1997-05-28 Ngk Insulators, Ltd. Limitatif
JP2619596B2 (ja) * 1993-03-26 1997-06-11 日本碍子株式会社 避雷碍子装置
FR2770345B1 (fr) * 1997-10-24 1999-12-03 Sediver Montage de parafoudre pour ligne electrique aerienne avec indicateur de fonctionnement du parafoudre
JP2002093256A (ja) 2000-09-18 2002-03-29 Ngk Insulators Ltd 避雷がいし装置
CN201000800Y (zh) 2007-02-07 2008-01-02 潘龙雨 一种输电线路用有外空气间隙氧化锌避雷器及其安装装置
JP5052190B2 (ja) 2007-04-13 2012-10-17 三菱電機株式会社 がいし装置
CN101645580B (zh) 2009-08-25 2012-06-06 山东迅实电气有限公司 电气化铁路牵引供电系统用避雷装置
JP4886013B2 (ja) * 2009-09-10 2012-02-29 日本碍子株式会社 避雷器の劣化検出方法及び装置
JP5367517B2 (ja) 2009-09-15 2013-12-11 株式会社東芝 送電用避雷装置
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4467387A (en) * 1982-09-30 1984-08-21 General Electric Company Combination strut insulator and lightning arrester
EP0406099A1 (fr) * 1989-06-30 1991-01-02 Sediver, Societe Europeenne D'isolateurs En Verre Et Composite Isolateur de ligne à courant alternatif muni d'un éclateur de protection
FR2825525A1 (fr) * 2001-06-01 2002-12-06 Sediver Parafoudre comprenant une varistance reliee par une articulation a un eclateur
EP1432089A1 (fr) * 2001-09-17 2004-06-23 Central Research Institute of Electric Power Industry Dispositif a cornes de garde
US20120087055A1 (en) 2010-10-06 2012-04-12 Woodworth Jonathan J Externally gapped line arrester

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11322913B2 (en) * 2018-09-28 2022-05-03 Hitachi Energy Switzerland Ag Externally gapped line arrester

Also Published As

Publication number Publication date
JP2018512706A (ja) 2018-05-17
US20180068767A1 (en) 2018-03-08
WO2016150709A1 (fr) 2016-09-29
KR20170129875A (ko) 2017-11-27
US10672541B2 (en) 2020-06-02
KR101945144B1 (ko) 2019-02-08
JP6643349B2 (ja) 2020-02-12
BR112017019636A2 (pt) 2018-05-15
CN107431334B (zh) 2020-05-15
CN107431334A (zh) 2017-12-01

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