EP3185251A1 - Traversée haute tension comprenant une prise de tension de séparateur de tension et procédé de production d'une traversée haute tension comprenant une prise de tension de séparateur de tension - Google Patents

Traversée haute tension comprenant une prise de tension de séparateur de tension et procédé de production d'une traversée haute tension comprenant une prise de tension de séparateur de tension Download PDF

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Publication number
EP3185251A1
EP3185251A1 EP16205630.3A EP16205630A EP3185251A1 EP 3185251 A1 EP3185251 A1 EP 3185251A1 EP 16205630 A EP16205630 A EP 16205630A EP 3185251 A1 EP3185251 A1 EP 3185251A1
Authority
EP
European Patent Office
Prior art keywords
voltage
contact means
voltage divider
manufacturing
bushing
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
EP16205630.3A
Other languages
German (de)
English (en)
Other versions
EP3185251B1 (fr
Inventor
Engelbert Engels
Christian Paul
Tim Schnitzler
Joachim Titze
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
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Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP3185251A1 publication Critical patent/EP3185251A1/fr
Application granted granted Critical
Publication of EP3185251B1 publication Critical patent/EP3185251B1/fr
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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
    • H01B17/005—Insulators structurally associated with built-in electrical equipment
    • 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
    • H01B17/26—Lead-in insulators; Lead-through insulators
    • H01B17/28—Capacitor type

Definitions

  • the invention relates to a high-voltage bushing with a Meßan gleichaussparung on which a voltage divider tap is arranged with a contact means, and a manufacturing method according to claim 9.
  • high-voltage bushings made by Siemens of the SETFt24 series are used, as known from the brochure "SETFt24-800kV, RIP Transformer Outdoor Feedthrough” or the EKTG series, known from the brochure “EKTG 72.5-800kV, RIP Transformer gas-performing ". These high voltage bushings are used e.g. to safely insert a high voltage from an overhead line through the housing into a transformer.
  • a high-voltage bushing for transformers is known from the brochure "Transformer bushings series SETFta-SETFtc, ETFa-ETFc, assembly operating and maintenance instructions", marked as BALSETFta / 04d operating instructions.
  • Page 2 shows a bushing with a flange for mounting on the transformer, in the immediate vicinity of which a measuring connection can be provided.
  • a voltage divider connection can be used on the measuring connection so that a lower voltage can be supplied to a measuring device when the high-voltage feedthrough is being operated by means of a connected voltage divider. The meter can return from the lower voltage to the applied high voltage in the feedthrough.
  • a voltage divider tap corresponding to the specifications of the standard IEEE STD C57.19.01-2000 is often required in the implementation.
  • the voltage divider tap should withstand a test voltage of 20kV.
  • information on the external shape of the tap specified in the standard must be observed. For example, according to FIG. 1 "Bushing voltage tap dimensions" a contact pin has a diameter of 7.95mm +/- 0.08mm. The internal configuration of the voltage divider tap remains at the discretion of the manufacturer.
  • the invention solves this problem in that an area between the contact means and the Meßan gleichaussparung with an insulating material is poured out. This is an advantage because the insulation is ensured in a simple manner and without further aids such as inert gas.
  • the Meßan gleichaussparung is introduced through a hole with about 30 mm in diameter in the outer wall of the high-voltage bushing.
  • the insulating material contains at least proportionally silicone. This is an advantage because silicone has the necessary electrical breakdown strength, is inexpensive and long lasting.
  • the contact means is soldered to a conductor in the high-voltage bushing.
  • the conductor may for example be designed as a foil in the so-called active part. This is advantageous because such a good electrical contact is made possible and the voltage measurement can be done accurately.
  • the voltage divider tap is suitable for a test voltage of 20 kV. This is an advantage, because according to the standard IEEE STD C57.19.01-2000 a test of the high voltage feedthrough is possible.
  • the outer dimensions of the voltage divider tap comply with the specifications of the IEEE STD C57.19.01-2000 standard. This is advantageous because it ensures interoperability with products from numerous manufacturers.
  • the contact means is in the form of a strand, in particular as a cable with a cable insulation Made of silicone. This is an advantage because such cables are widely used and inexpensive.
  • a wire i.S.d. Invention is e.g. a metallic conductor that can be flexible. Particularly preferred is an embodiment as an insulated cable.
  • a candle with brass insert and insulation made of cast resin is placed on the contact means. This is an advantage because the contact agent is sufficiently electrically isolated in this way outside of the silicon-encapsulated area.
  • the brass insert is soldered to the contact means. This is an advantage because so by means of the brass insert, an electrical contact with standardized dimensions for connecting a voltage divider can be formed.
  • the object of the invention is to specify a production method for a high-voltage feedthrough with a voltage divider tap, from which a test voltage of 20 kV can be tapped off with a comparatively small constructional outlay.
  • FIG. 1 is a high voltage bushing type EKTG, item number 313524 of HSP Hochhardstechnik GmbH, shown with a flange portion 2 for attachment to a transformer and a voltage divider tap 3. To connect a measuring device, a test extension 4 is placed on the voltage divider tap 3.
  • FIG. 2 shows a cross section through the high voltage bushing 1 with a voltage divider tap 3 according to FIG. 1 ,
  • a Meßan gleichaussparung is provided, through which a strand 7 is passed as a contact means, the strand 7 in the high voltage bushing 1, a conductor 6 electrically contacted.
  • the strand 7 and the conductor 6 are soldered.
  • the gap between the strand 7 and the high-voltage bushing 1 is completely filled with silicone 5.
  • a so-called candle with a brass insert 12 and an insulation made of cast resin 9 is placed.
  • the strand 7 and the brass insert 12 are soldered.
  • the voltage divider tap 3 is fastened with a holding means 10 on the high-voltage bushing 1.
  • the candle is protected by a housing 13 at its end remote from the high voltage leadthrough.
  • FIGS. 3 to 8 Different steps of a manufacturing process are depicted.
  • FIG. 3 shows the flange portion 2 of a high voltage feedthrough into which a Meßan gleichaussparung 14 has already been introduced by means of a bore.
  • the Meßan gleichaussparung 14 extends to the first layer of an electrical conductor 6 in the high-voltage bushing.
  • a solder bump 15 is placed on the bottom of the Meßan gleichaussparung 14 on the conductor 6.
  • FIG. 4 shows a stripped cable that is in FIG. 5 was soldered to the solder bump. It is stirred silicone 5 with a wooden stick; the processing time is, for example, according to data sheet of the manufacturer about 30 min.
  • FIG. 6 and 7 It is shown how the silicone is filled by means of a disposable pipette 20 to the edge of Meßan gleichbohrung.
  • the hole must lie horizontally and no silicone may leak.
  • the cable During the curing time of about 24 hours, the cable must be held vertically in the middle of the hole, which can be achieved for example by an alignment tool or by using a so-called candle.
  • FIG. 8 shows how after curing of the silicone on the strand a candle with a brass insert 12 and an insulation made of cast resin 9 is placed.
  • the strand and the brass insert 12 are soldered, wherein the solder joint is preferably arranged at the end of the brass insert 12 in the region of the stripped strand.
  • the candle is at her from the high voltage bushing Protected more distant end of a housing 13.

Landscapes

  • Insulating Bodies (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP16205630.3A 2015-12-22 2016-12-21 Traversée haute tension comprenant une prise de tension de séparateur de tension et procédé de production d'une traversée haute tension comprenant une prise de tension de séparateur de tension Active EP3185251B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015226472.6A DE102015226472A1 (de) 2015-12-22 2015-12-22 Hochspannungsdurchführung mit Spannungsteilerabgriff und Herstellungsverfahren für eine Hochspannungsdurchführung mit Spannungsteilerabgriff

Publications (2)

Publication Number Publication Date
EP3185251A1 true EP3185251A1 (fr) 2017-06-28
EP3185251B1 EP3185251B1 (fr) 2020-07-15

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EP16205630.3A Active EP3185251B1 (fr) 2015-12-22 2016-12-21 Traversée haute tension comprenant une prise de tension de séparateur de tension et procédé de production d'une traversée haute tension comprenant une prise de tension de séparateur de tension

Country Status (2)

Country Link
EP (1) EP3185251B1 (fr)
DE (1) DE102015226472A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11367545B2 (en) 2018-01-26 2022-06-21 Siemens Energy Global GmbH & Co. KG Pluggable high-voltage bushing and electrical device having the pluggable high-voltage bushing

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1873977A (en) * 1931-05-26 1932-08-30 Allis Chalmers Mfg Co Condenser bushing
CA902739A (en) * 1972-06-13 Westinghouse Electric Corporation Electrical condenser bushing having a plurality of cylindrical, interleaved, ground and tap layers
JPS5572314A (en) * 1978-11-17 1980-05-31 Westinghouse Electric Corp High voltage terminal bushing
JPS613643U (ja) * 1984-06-12 1986-01-10 日本高圧電気株式会社 工事用開閉器に於けるブツシングの構造
JPS62120235U (fr) * 1986-01-23 1987-07-30

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA902739A (en) * 1972-06-13 Westinghouse Electric Corporation Electrical condenser bushing having a plurality of cylindrical, interleaved, ground and tap layers
US1873977A (en) * 1931-05-26 1932-08-30 Allis Chalmers Mfg Co Condenser bushing
JPS5572314A (en) * 1978-11-17 1980-05-31 Westinghouse Electric Corp High voltage terminal bushing
JPS613643U (ja) * 1984-06-12 1986-01-10 日本高圧電気株式会社 工事用開閉器に於けるブツシングの構造
JPS62120235U (fr) * 1986-01-23 1987-07-30

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HSP: "Transformatordurchführungen Baureihen SETFta - SETFtc, ETFa - ETFc, Montage- Betriebs- und Wartungsvorschriften", January 2014 (2014-01-01), XP055366398, Retrieved from the Internet <URL:https://www.hspkoeln.de/cms/upload/downloads/bal/BAL_SETFta_04d.pdf> [retrieved on 20170421] *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11367545B2 (en) 2018-01-26 2022-06-21 Siemens Energy Global GmbH & Co. KG Pluggable high-voltage bushing and electrical device having the pluggable high-voltage bushing

Also Published As

Publication number Publication date
EP3185251B1 (fr) 2020-07-15
DE102015226472A1 (de) 2017-06-22

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