EP3417467A1 - Anordnung zum überspannungsschutz einer mit einer isolierflüssigkeit isolierten elektrischen anlage - Google Patents
Anordnung zum überspannungsschutz einer mit einer isolierflüssigkeit isolierten elektrischen anlageInfo
- Publication number
- EP3417467A1 EP3417467A1 EP17716480.3A EP17716480A EP3417467A1 EP 3417467 A1 EP3417467 A1 EP 3417467A1 EP 17716480 A EP17716480 A EP 17716480A EP 3417467 A1 EP3417467 A1 EP 3417467A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- arrangement
- housing
- contact
- passage
- drive
- 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
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; 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
- H01T4/10—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)
- Emergency Protection Circuit Devices (AREA)
- Thermistors And Varistors (AREA)
Abstract
Description
Claims
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 |
| PCT/EP2017/057393 WO2017182244A1 (de) | 2016-04-19 | 2017-03-29 | Anordnung zum überspannungsschutz einer mit einer isolierflüssigkeit isolierten elektrischen anlage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3417467A1 true EP3417467A1 (de) | 2018-12-26 |
| EP3417467B1 EP3417467B1 (de) | 2020-09-02 |
Family
ID=58530514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17716480.3A Active EP3417467B1 (de) | 2016-04-19 | 2017-03-29 | Anordnung zum überspannungsschutz einer mit einer isolierflüssigkeit isolierten elektrischen anlage |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3417467B1 (de) |
| KR (1) | KR102102301B1 (de) |
| CN (1) | CN109313995B (de) |
| DE (1) | DE102016206580A1 (de) |
| WO (1) | WO2017182244A1 (de) |
Family Cites Families (15)
| 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 (de) * | 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 |
| US4679113A (en) * | 1985-11-18 | 1987-07-07 | Westinghouse Electric Corp. | Electrical distribution apparatus having draw-out surge arrester |
| 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 |
| ATE361567T1 (de) * | 2001-09-02 | 2007-05-15 | Phoenix Contact Gmbh & Co | Überspannungsschutzeinrichtung |
| US8259430B2 (en) * | 2009-09-25 | 2012-09-04 | John Mezzalingua Associates, Inc. | Surge protection device for isolating premise devices |
| EP2466596B1 (de) * | 2010-12-16 | 2013-08-28 | ABB Research Ltd. | Bauteil mit Überspannungsschutz und Verfahren zu dessen Prüfung |
| DE102011077394A1 (de) * | 2011-06-10 | 2012-12-13 | Siemens Aktiengesellschaft | Überspannungsableiter |
| DE102012217310A1 (de) * | 2012-09-25 | 2014-03-27 | Siemens Aktiengesellschaft | Überspannungsableiter |
| PL2854141T3 (pl) * | 2013-09-30 | 2020-08-24 | Siemens Aktiengesellschaft | Ochronnik przepięciowy |
-
2016
- 2016-04-19 DE DE102016206580.7A patent/DE102016206580A1/de not_active Ceased
-
2017
- 2017-03-29 KR KR1020187033265A patent/KR102102301B1/ko active Active
- 2017-03-29 EP EP17716480.3A patent/EP3417467B1/de active Active
- 2017-03-29 WO PCT/EP2017/057393 patent/WO2017182244A1/de not_active Ceased
- 2017-03-29 CN CN201780024127.9A patent/CN109313995B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017182244A1 (de) | 2017-10-26 |
| KR20180132894A (ko) | 2018-12-12 |
| EP3417467B1 (de) | 2020-09-02 |
| KR102102301B1 (ko) | 2020-04-21 |
| CN109313995A (zh) | 2019-02-05 |
| CN109313995B (zh) | 2020-07-31 |
| DE102016206580A1 (de) | 2017-11-02 |
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