WO2017182244A1 - Système permettant de protéger contre les surtensions une installation électrique isolée au moyen d'un liquide isolant - Google Patents

Système permettant de protéger contre les surtensions une installation électrique isolée au moyen d'un liquide isolant Download PDF

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Publication number
WO2017182244A1
WO2017182244A1 PCT/EP2017/057393 EP2017057393W WO2017182244A1 WO 2017182244 A1 WO2017182244 A1 WO 2017182244A1 EP 2017057393 W EP2017057393 W EP 2017057393W WO 2017182244 A1 WO2017182244 A1 WO 2017182244A1
Authority
WO
WIPO (PCT)
Prior art keywords
arrangement
housing
contact
passage
drive
Prior art date
Application number
PCT/EP2017/057393
Other languages
German (de)
English (en)
Inventor
Markus Sulitze
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to EP17716480.3A priority Critical patent/EP3417467B1/fr
Priority to KR1020187033265A priority patent/KR102102301B1/ko
Priority to CN201780024127.9A priority patent/CN109313995B/zh
Publication of WO2017182244A1 publication Critical patent/WO2017182244A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • 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
    • H01T4/12—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel hermetically sealed

Definitions

  • the invention relates to an arrangement according to the preamble of claim 1.
  • Overvoltage arresters are used to dissipate undue voltages, for example due to a lightning strike, in an overhead line to earth and thus protect other devices such as transformers.
  • surge contain Metalloxidieri which are hardly electrically conductive below a bauartbe ⁇ -related threshold voltage, but above half of the threshold voltage have a good electrical Leitfä ⁇ ability.
  • Such surge arresters are from the brochure "High-voltage surge arresters - Product GUI de”., Siemens AG 2012, Order No. E50001-G630-A249-X-4A00, be ⁇ known.
  • Impregnated Paper The capacitor winding consists of a special paper impregnated under vacuum with epoxy resin.
  • a Abieiter is flanged at the site of the transformer to the implementation, possibly using adapter rings or adapter housings.
  • Abieiters is opened via a manhole to produce a elekt ⁇ driven conductive contact between the bushing and Abieiter. Subsequently, the housing of the Abieiters is filled with a protective gas such as sulfur hexafluoride.
  • the invention has the object of providing an arrangement for overvoltage protection of an insulating liquid iso- Herten electrical system that is comparatively easy to put into operation and maintain.
  • the invention solves this problem by an arrangement according to claim 1.
  • the contact device comprises a threaded rod which is adapted to receive a rotary motion from outside the housing and to move one hand to the resistor column ver ⁇ -bound contact, the contact to a counter contact in the implementation toward or away is movable.
  • a threaded rod is a simple mechanical Kon ⁇ constructive tion to translate a rotational movement into a longitudinal movement along the axis of the rod; Therefore, it has long been tried and used cost-effectively.
  • the electrical system insulated with insulating liquid has a high-voltage transformer. This is advantageous because high-voltage transformers must be regularly protected against excessive overvoltages.
  • the insulating liquid is an oil.
  • the protective gas contains sulfur hexafluoride.
  • the arrangement according to the invention comprises the implementation of a first part, which is designed such that it stood in the assembled To ⁇ projects into a housing of the electrical system and surrounded by the insulating liquid.
  • the arrangement according to the invention comprises the implementation of a second part which is adapted is that in which it protrudes, the opponent ⁇ pedestal surrounding housing and in the assembled state is surrounded by the protective gas.
  • a maintenance flap is provided for access to a contact region between the resistance column and the leadthrough.
  • the maintenance flap is often referred to in Abieitern as a manhole, as a technician after opening the flap access to the components located inside the housing receives.
  • the contact device can be driven by a drive arranged on the housing.
  • Surge arrester can be achieved without opening the protection ⁇ gas-insulated housing area.
  • the drive is a manual drive. This is an advantage because a manual drive, for example with a hand crank, is inexpensive and easy to manufacture.
  • the drive is an electric drive.
  • an electric drive with ⁇ means of an electric motor is automatic ⁇ sierbar for example by a control device on the spot or by remote control by a control center.
  • Figure 1 shows an embodiment of an arrangement according to the invention.
  • a erfindungsge ⁇ MAESSEN arrangement 1 for overvoltage protection of an insulated with an insulating liquid 5 electrical system 2.
  • the system is a high-voltage transformer with Olisolierter housing 20 which is filled with an oil.
  • a resistance column 3 with resistance elements 19 is provided, which is arranged in a housing 4 filled with an electrically insulating protective gas 6, such as, for example, sulfur hexafluoride (SF6).
  • a passage 7 for the connection of the electrical installation 2 with the resistance column 3 has a first part 17 which is extends in the mounted condition in the housing 20 of the electrical installation 2, and is surrounded by the Isolierthe ⁇ ness.
  • a first flange 15 connects the housing 20 and the passage 7.
  • Passage 7 projects into the housing 4 surrounding the resistance column 3 and is surrounded by the protective gas 6.
  • a second flange 14 connects the housing 4 and the passage 7.
  • the resistance elements are metal oxide semiconductors, which are hardly electrically conductive below a design-related voltage, but are highly conductive above this voltage.
  • a drive for the contact device 8,9,10,11 comes a hand ⁇ drive 12 with a hand crank used. This makes it possible to produce or disconnect an electrically conductive connection between the resistance column 3 and the bushing 7, without the inert gas being sucked off and then having to be manually closed or disconnected via a service flap 13 by a technician.
  • the contact device has a threaded rod 9 which is fixedly connected to a contact 8.
  • the contact 8 is formed as a bolt which is slidable in a guide 21. If the bolt 8 is inserted into a mating contact 16 on the side of the bushing 7, an electrically conductive connection is produced. When the bolt 8 completely retracted to the side of the guide 21, a separation section 22 is formed, which made possible by the shielding gas ei ⁇ ne safe separation.
  • the threaded rod 9 is held in a gear 10, in which a second rod 11 is provided such that a rotational movement of the second rod 11 via the gear 10 on the threaded rod is exceeded ⁇ gene, so that the threaded rod along an axis pa ⁇ rallel is moved to the resistance column.
  • the second rod 11 for this purpose a profile or a thread which is complementary to the thread of the threaded rod ⁇ .
  • the illustrated closed state could be a corresponding rotational movement of the second Rod, which is driven by the drive 12, screw back the threaded rod and the bolt 8 in the direction of the drive and thus produce the separation distance 22.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Thermistors And Varistors (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

L'invention concerne un système (1) permettant de protéger contre les surtensions une installation électrique (2) isolée au moyen d'un liquide isolant (5), présentant une colonne de résistance (3) pourvue d' éléments formant résistance (19) et agencée dans un boîtier (4) conçu pour être rempli avec un gaz inerte (6) électro-isolant, et un passage (7) servant à relier l'installation électrique (2) à la colonne de résistance (3). L'invention est caractérisée en ce qu'un dispositif de contact (8,9,10,11), pouvant être entraîné mécaniquement de l'extérieur du boîtier et servant à fermer et/ou couper une liaison électrique entre la colonne de résistance (8) et le passage (7), se trouve dans le boîtier (4).
PCT/EP2017/057393 2016-04-19 2017-03-29 Système permettant de protéger contre les surtensions une installation électrique isolée au moyen d'un liquide isolant WO2017182244A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP17716480.3A EP3417467B1 (fr) 2016-04-19 2017-03-29 Dispositif de protection contre les surtensions d'une installation électrique isolee avec un fluide isolant
KR1020187033265A KR102102301B1 (ko) 2016-04-19 2017-03-29 절연성 유체로 절연된 전기 시스템의 과전압 보호를 위한 조립체
CN201780024127.9A CN109313995B (zh) 2016-04-19 2017-03-29 用于对利用绝缘液绝缘的电气设施进行过电压保护的装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016206580.7A DE102016206580A1 (de) 2016-04-19 2016-04-19 Anordnung zum Überspannungsschutz einer mit einer Isolierflüssigkeit isolierten elektrischen Anlage
DE102016206580.7 2016-04-19

Publications (1)

Publication Number Publication Date
WO2017182244A1 true WO2017182244A1 (fr) 2017-10-26

Family

ID=58530514

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/057393 WO2017182244A1 (fr) 2016-04-19 2017-03-29 Système permettant de protéger contre les surtensions une installation électrique isolée au moyen d'un liquide isolant

Country Status (5)

Country Link
EP (1) EP3417467B1 (fr)
KR (1) KR102102301B1 (fr)
CN (1) CN109313995B (fr)
DE (1) DE102016206580A1 (fr)
WO (1) WO2017182244A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0224074A2 (fr) * 1985-11-18 1987-06-03 Asea Brown Boveri Inc. Appareil de distribution électrique muni d'un dérivateur de surtension
EP2466596A1 (fr) * 2010-12-16 2012-06-20 ABB Research Ltd. Composant doté d'une protection contre les surtensions et leur procédé de contrôle
DE102012217310A1 (de) * 2012-09-25 2014-03-27 Siemens Aktiengesellschaft Überspannungsableiter
EP2854141A1 (fr) * 2013-09-30 2015-04-01 Siemens Aktiengesellschaft Paratonnerre

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1051381B (de) * 1957-03-28 1959-02-26 Westinghouse Electric Corp Temperaturanzeigeeinrichtung fuer Wicklungen elektrischer Apparate
DD122742A1 (fr) * 1975-08-22 1976-10-20
DE2746566C3 (de) * 1977-10-17 1981-11-26 Transformatoren Union Ag, 7000 Stuttgart Hochspannungsdurchführung zum Anschluß von mit Isolierflüssigkeit gefüllten Transformatoren an SF↓6↓-isolierte Kabel oder Schaltanlagen
JPS6237891A (ja) * 1985-08-09 1987-02-18 株式会社東芝 ガス絶縁中性点用避雷装置
JPH05101868A (ja) * 1991-10-08 1993-04-23 Fuji Electric Co Ltd 送電線用避雷装置
JP3750279B2 (ja) * 1997-05-30 2006-03-01 株式会社日立製作所 タンク形避雷器
DE19926950A1 (de) * 1999-06-14 2000-12-21 Abb Research Ltd Kabelendgarnitur
JP2002025746A (ja) * 2000-07-06 2002-01-25 Giga:Kk サージ吸収素子及びその製造方法
DE50210082D1 (de) * 2001-09-02 2007-06-14 Phoenix Contact Gmbh & Co Überspannungsschutzeinrichtung
US8259430B2 (en) * 2009-09-25 2012-09-04 John Mezzalingua Associates, Inc. Surge protection device for isolating premise devices
DE102011077394A1 (de) * 2011-06-10 2012-12-13 Siemens Aktiengesellschaft Überspannungsableiter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0224074A2 (fr) * 1985-11-18 1987-06-03 Asea Brown Boveri Inc. Appareil de distribution électrique muni d'un dérivateur de surtension
EP2466596A1 (fr) * 2010-12-16 2012-06-20 ABB Research Ltd. Composant doté d'une protection contre les surtensions et leur procédé de contrôle
DE102012217310A1 (de) * 2012-09-25 2014-03-27 Siemens Aktiengesellschaft Überspannungsableiter
EP2854141A1 (fr) * 2013-09-30 2015-04-01 Siemens Aktiengesellschaft Paratonnerre

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"EKTG 72,5 - 800 kV RIP Transformator-Gas-Durchführung", 2012, HSP HOCHSPANNUNGSGERÄTE GMBH, article NR. 03/12-500 TH 102-110888
"High-voltage surge arresters - Product guide", 2012, article ORDER NR. E50001-G630-A249-X-4A00

Also Published As

Publication number Publication date
EP3417467A1 (fr) 2018-12-26
CN109313995A (zh) 2019-02-05
EP3417467B1 (fr) 2020-09-02
CN109313995B (zh) 2020-07-31
KR20180132894A (ko) 2018-12-12
DE102016206580A1 (de) 2017-11-02
KR102102301B1 (ko) 2020-04-21

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