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EP3552219A1 - Isolateur à haute tension présentant une bague anti-arc - Google Patents

Isolateur à haute tension présentant une bague anti-arc

Info

Publication number
EP3552219A1
EP3552219A1 EP17808504.9A EP17808504A EP3552219A1 EP 3552219 A1 EP3552219 A1 EP 3552219A1 EP 17808504 A EP17808504 A EP 17808504A EP 3552219 A1 EP3552219 A1 EP 3552219A1
Authority
EP
European Patent Office
Prior art keywords
insulator
voltage
long
diameter
protective
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
Application number
EP17808504.9A
Other languages
German (de)
English (en)
Other versions
EP3552219B1 (fr
Inventor
Wolfgang Tauber
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.)
Bayernwerk Netz GmbH
Original Assignee
Bayernwerk 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 Bayernwerk AG filed Critical Bayernwerk AG
Publication of EP3552219A1 publication Critical patent/EP3552219A1/fr
Application granted granted Critical
Publication of EP3552219B1 publication Critical patent/EP3552219B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01B17/52—Insulators or insulating bodies characterised by their form having cleaning devices
    • H01B17/525—Self-cleaning, e.g. by shape or disposition of screens
    • 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
    • H01B17/44—Structural association of insulators with corona rings
    • 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
    • H01B17/56—Insulating bodies

Definitions

  • the invention relates to a high-voltage insulator with arc protection ring.
  • Above-ground power lines are routed regularly over high-voltage masts.
  • high voltage insulators are provided at the suspension points between the high voltage lines and the high voltage pylons, respectively. Long rod insulators are often used, which are suspended on trusses of the high voltage mast and at the free end of the high voltage line is attached.
  • arc protective rings are known.
  • the arc protection rings are arranged at both ends of the actual insulator and surround the insulator substantially annular. Because the
  • a direct contact or an immediate proximity between the arc and the actual ⁇ insulator isolator is only briefly existing or completely avoided. As a result, damage to the insulator can be reduced.
  • the invention is therefore based on the object to provide a high-voltage insulator with arc protection ring, in which the disadvantages known from the prior art no longer occur or only to a lesser extent.
  • the invention relates to a high-voltage insulator comprising a long-rod insulator with a shaft and arranged thereon circular screens, an insulator cap at the upper ren end of the long rod insulator for securing the high tension ⁇ voltage insulator to a high-voltage mast and a, iso ⁇ latorkappe or the insulator cap nearest part of the Long bar insulator surrounding arc protection ring, wherein at least the uppermost, the insulator cap nearest screen of the long bar insulator is designed as a protective shield for the other screens, wherein the maximum diameter of the other screens at least 30 mm smaller than the inner diameter of the arc protection ring, the diameter of at least ei ⁇ NEN protective screen at least 10 mm smaller than the inner diameter of the arc protection ring and the diameter of the at least one protective shield is at least 20 mm larger than the maximum diameter of the other screens.
  • Langstab isolators which are not designed as protective screens or a protective screen accordingly.
  • the at least one shield designed as a shield of the long-rod insulator should thereby have a radius of at least 20 mm larger than the other screens, being parked especially at alternating diameters of the other umbrellas on the largest diameter of the other umbrellas. It has been shown that by a correspondingly larger
  • the landed on a protective shield bird droppings can in rain, occurring due to the larger diameter and in particular constructed as protective shields screens askwa ⁇ rule be such that a self-cleaning effect occurs.
  • Diameter of the at least one shield formed as a shield by at least 10 mm smaller than the inner diameter of the arc protection ring it is ensured that neither the arc protection still affect the configured as protective shields screens are damaged when an Lichtbo ⁇ gens.
  • a distance of 10 mm between the shield and the guard ring may be sufficient, as a result of the close proximity between the shield and guard ring in the axial direction of the
  • the diameter of the at least one protective screen is at least 17.5 mm and / or at most 42.5 mm smaller than the inner diameter of the arc protection ring.
  • the maximum diameter difference of 42.5 mm ensures that the one base point of any arc formed on the long bar isolator moves directly onto the arc protection ring.
  • the diameter of the at least one protective ⁇ screen is at most 40 mm larger than the maximum diameter of the other umbrellas.
  • a maximum of 40 mm larger diameter of the shields is sufficient to protect the other screens from the deposition of bird droppings and to prevent in the event of rain a conductive wetting of the other screens with a mixture of water and bird droppings.
  • the diameter difference can be achieved in the rule that the fittings for fixing the high voltage insulator and the arc protection ring with respect to an insulator according to the prior art with comparable insulation properties can remain unchanged.
  • the lowermost shield farthest from the insulator cap is formed according to a protective shield.
  • this lowermost screen relative to the other screens may unfold no protective effect against bird droppings, is an embodiment corresponding to a protective shield - say in particular with comparable diameter - advantageous for transport and storage of high-voltage insulators ⁇ tors or its long-rod insulator.
  • a non befindaji at one end of the long rod insulator screen is formed as a protective shield at least ⁇ .
  • an internal shield of the long-rod insulator is designed as a protective screen - that has a comparable or the same diameter with the other protective umbrellas - the risk of breaking through the long-rod insulator during transport and storage in horizontal
  • the long-rod insulator may comprise at least ten, preferably at least fifteen screens and / or be made of ceramic or glass-fiber reinforced plastic.
  • the long-rod insulator may be designed according to the standards DIN EN 61466/2 (composite long-rod insulator) or DIN 48006/2 (long-rod insulator), the screens designed as protective shields representing modifications of these standards.
  • DIN EN 61466/2 compact long-rod insulator
  • DIN 48006/2 long-rod insulator
  • Screens of the long-rod insulator may have at its outer edge to ⁇ current drip edges.
  • the high voltage insulator may also have an arc protection ring at its lower end.
  • Figure 1 a first embodiment of a fiction, modern ⁇ high voltage insulator having arc ⁇ protection ring;
  • Figure 2 a second embodiment of a fiction, ⁇ contemporary high-voltage insulator with arc protection ring.
  • the high-voltage insulator 1 comprises a long-rod insulator 10, which is connected at its upper end to an insulator cap 2. About this designed as a fork cap insulator cap 2, the high-voltage insulator 1 can, for example, attached to a traverse of a high voltage mast. Is provided at the lower end of the long rod insulator 10 is also a cap as a fork out ⁇ staltete insulator cap 2 ⁇ . At this lower insulator cap 2 ⁇ , the high voltage line can be attached. To the insulator caps 2, 2 ⁇ is in each case an arc protection ring 3, 3 ⁇ arranged, which the respective ends of the
  • the arc-protective rings 3, 3 ⁇ are designed as metal rings, which can form in the case of an arc over the high-voltage insulator bases over which the arc current is discharged into the earth.
  • the two arc protection rings 3, 3 ⁇ have Hornabieiter to be self-extinguishing.
  • the long bar insulator 10 is made of ceramic and comprises a shaft 11 and arranged thereon circular shields 12. In the illustrated embodiment, twenty umbrellas 12 are provided.
  • the long-rod insulator 10 and thus also the screens 12 are designed essentially in accordance with the standard DIN 48006/2, wherein all the screens 12 have peripheral drip edges 13 on their outer edge. As a result, it may also be in the insulator caps 2, 2 ⁇ and the arc guard rings 3, 3 ⁇ likewise be standardized components.
  • Umbrellas 12 ⁇ ⁇ have a maximum diameter which is smaller by about 37.5 mm than the inner diameter of the arc protection rings 3, 3 ⁇ , the diameter of the protective shield 12 ⁇ only about 17.5 mm smaller than the inner diameter of the upper arc protection ring 3.
  • the diameter of the protective shield 12 ⁇ is thus greater by approximately 20 mm than the maximum diameter of the other shields 12 ⁇ ⁇ .
  • FIG. 2 shows a second embodiment of an OF INVENTION ⁇ to the invention high-voltage insulator 1 is shown.
  • the high-voltage insulator 1 is similar in many parts to that of Figure 1, which is why reference is made to the above statements.
  • Only the long-rod insulator 10 is, as explained below, executed by the embodiment according to Figure 1 deviating ⁇ chend.
  • the long bar insulator 10 is again made of ceramic and comprises a shaft 11 and arranged thereon circular shields 12, but in principle each adjacent umbrellas 12 have different projections or diameter.
  • the screens 12 are each designed analogously to the standard DIN 48006/2 and have - although not explicitly shown in Figure 2 - each have a drip edge 13 (see Figure 1).
  • the uppermost, the upper insulator cap 2 nearest screen 12 of the long-rod insulator 10 and a centrally and thus not befind Anlagen at the end of long-rod insulator 10 screen 12 are in each case 12 of the bottom as a protective shield, the lower insulator cap 2 ⁇ closest screen corresponding to a protective ⁇ screen 12 ⁇ configured.
  • the umbrellas in question 12 ⁇ have a diameter which is smaller by approximately 17.5 mm than the inner diameter of the two arc-protective rings 3, 3 ⁇ .
  • the protective screens 12 ⁇ at the upper end and in the middle of the long-rod insulator 10 are compared to each mutuallie- constricting screens 12 ⁇ ⁇ a protection against contamination, in particular by bird droppings.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulators (AREA)

Abstract

L'invention concerne un isolateur à haute tension (1) comprenant un isolateur à long fût (10) pourvu d'une tige (11) et d'écrans circulaires (12) disposés sur celle-ci, un capuchon d'isolateur (2) placé à l'extrémité supérieure de l'isolateur à long fût (10) et destiné à fixer l'isolateur à haute tension (1) à un mât à haute tension et une bague anti-arc (3) entourant le capuchon d'isolateur (2) ou la partie de l'isolateur à long fût (10) la plus proche du capuchon d'isolateur (2). Au moins l'écran supérieur (12) de l'isolateur à long fût (10), qui est le plus proche du capuchon d'isolateur (2), est conçu comme un écran de protection (12') destiné aux autres écrans (12''). Le diamètre maximum des autres écrans (12'') est inférieur d'au moins 30 mm au diamètre intérieur de la bague anti-arc (3), le diamètre de l'au moins un écran de protection (12') est inférieur d'au moins 10 mm au diamètre intérieur de la bague anti-arc (3) et le diamètre de l'au moins un écran de protection (12') est supérieur d'au moins 20 mm au diamètre maximum des autres écrans (12'').
EP17808504.9A 2016-12-06 2017-12-06 Isolant haute tension doté d'un anneau de garde contre les arcs électriques Active EP3552219B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16202324.6A EP3333858A1 (fr) 2016-12-06 2016-12-06 Isolant haute tension doté d'un anneau de garde contre les arcs électriques
PCT/EP2017/081606 WO2018104353A1 (fr) 2016-12-06 2017-12-06 Isolateur à haute tension présentant une bague anti-arc

Publications (2)

Publication Number Publication Date
EP3552219A1 true EP3552219A1 (fr) 2019-10-16
EP3552219B1 EP3552219B1 (fr) 2021-05-19

Family

ID=57517729

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16202324.6A Withdrawn EP3333858A1 (fr) 2016-12-06 2016-12-06 Isolant haute tension doté d'un anneau de garde contre les arcs électriques
EP17808504.9A Active EP3552219B1 (fr) 2016-12-06 2017-12-06 Isolant haute tension doté d'un anneau de garde contre les arcs électriques

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP16202324.6A Withdrawn EP3333858A1 (fr) 2016-12-06 2016-12-06 Isolant haute tension doté d'un anneau de garde contre les arcs électriques

Country Status (4)

Country Link
US (1) US20190392965A1 (fr)
EP (2) EP3333858A1 (fr)
CN (1) CN110050312A (fr)
WO (1) WO2018104353A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3827891B1 (fr) 2019-11-28 2022-02-16 Carl Freudenberg KG Élément filtrant avec bande de bord conductrice et dispositif de filtrage comprenant un tel élément filtrant
CN112259305B (zh) * 2020-10-12 2022-03-25 江西省萍乡市南坑高压电瓷有限公司 一种自洁型纳米釉面瓷伞形绝缘子及其使用方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3217525B2 (ja) * 1993-02-10 2001-10-09 古河電気工業株式会社 ポリマー碍子の劣化防止装置
CN1255821C (zh) * 2003-10-16 2006-05-10 武汉市德赛电力设备有限公司 单元串接式复合绝缘子
CN2872557Y (zh) * 2006-02-10 2007-02-21 南方电网技术研究中心 特高压合成绝缘子用双环封闭式均压保护装置
CN201298408Y (zh) * 2008-11-29 2009-08-26 河南省电力公司焦作供电公司 一种防鸟粪的绝缘子
CN201336189Y (zh) * 2008-12-26 2009-10-28 中国西电电气股份有限公司 一种±500kV直流棒形支柱瓷绝缘子
CN201498279U (zh) * 2009-08-28 2010-06-02 江苏祥源电气设备有限公司 一种加大伞复合绝缘子
CN202110896U (zh) * 2010-12-28 2012-01-11 河南博特电气有限公司 一种新型复合悬式绝缘子
CN203325598U (zh) * 2013-05-04 2013-12-04 山西省电力公司晋中供电分公司 防冰雪复合绝缘子
CN203338884U (zh) * 2013-06-19 2013-12-11 国家电网公司 复合绝缘子
CN103700453A (zh) * 2013-11-28 2014-04-02 国家电网公司 一种1200kV特高压棒形悬式复合绝缘子

Also Published As

Publication number Publication date
CN110050312A (zh) 2019-07-23
EP3333858A1 (fr) 2018-06-13
WO2018104353A1 (fr) 2018-06-14
US20190392965A1 (en) 2019-12-26
EP3552219B1 (fr) 2021-05-19

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