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EP3185251B1 - 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
EP3185251B1
EP3185251B1 EP16205630.3A EP16205630A EP3185251B1 EP 3185251 B1 EP3185251 B1 EP 3185251B1 EP 16205630 A EP16205630 A EP 16205630A EP 3185251 B1 EP3185251 B1 EP 3185251B1
Authority
EP
European Patent Office
Prior art keywords
voltage
contact means
bushing
voltage divider
voltage 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.)
Active
Application number
EP16205630.3A
Other languages
German (de)
English (en)
Other versions
EP3185251A1 (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
Siemens Corp
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Filing date
Publication date
Application filed by Siemens AG, Siemens Corp 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 measurement connection recess, on which a voltage divider tap with a contact means is arranged, and a manufacturing method for its manufacture.
  • High-voltage bushings from Siemens from the SETFt24 series, known from the brochure "SETFt24-800kV, RIP transformer outdoor bushing” or the EKTG series, known from the brochure “EKTG 72.5-800kV, RIP transformer - are used for high-voltage devices such as a transformer. Gas feedthrough ". These high voltage bushings are used e.g. to safely introduce 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 operating instructions BALSETFta / 04d.
  • Page 2 shows a bushing with a flange for attachment to 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 according to page 18, so that a lower voltage can be provided for a measuring device during operation of the high-voltage bushing by means of a connected voltage divider.
  • the measuring device can use the lower voltage to draw conclusions about the high voltage present in the bushing.
  • JP S62 120 235 U and the JP S61 364 3 U are from the JP S62 120 235 U and the JP S61 364 3 U. known, the known devices each comprising an area with insulating material.
  • a voltage divider tap corresponding to the specifications of the IEEE STD C57.19.01-2000 standard is often required in the bushing.
  • the voltage divider tap should withstand a test voltage of 20kV.
  • Information on the external shape of the tap, which is specified in the standard, must also be observed. For example, according to Figure 1 "Bushing voltage tap dimensions" a contact pin have a diameter of 7.95mm +/- 0.08mm. The internal design of the voltage divider tap remains at the discretion of the manufacturer.
  • An area is between the contact means and the measurement connection recess poured an insulating material. This is an advantage because the insulation is ensured in a simple manner and without additional aids such as protective gas.
  • the measuring connection recess is made through a hole with a diameter of approximately 30 mm in the outer wall of the high-voltage bushing.
  • the insulating material contains silicone at least in part. This is an advantage because silicone has the necessary dielectric strength, is inexpensive and has a long shelf life.
  • the contact means is soldered to a conductor in the high-voltage bushing.
  • the conductor can for example be designed as a film in the so-called active part. This is advantageous because good electrical contact is made possible and the voltage measurement can be carried out accurately.
  • the voltage divider tap is suitable for a test voltage of 20 kV. This is an advantage because it enables the high-voltage bushing to be tested in accordance with the IEEE STD C57.19.01-2000 standard.
  • the external dimensions of the voltage divider tap correspond to the requirements 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 a stranded wire, in particular a cable with a cable insulation made of silicone. This is an advantage because such cables are common and inexpensive.
  • a strand i.S.d. Invention is e.g. a metallic conductor that can be flexible.
  • a version as an insulated cable is particularly preferred.
  • a candle with a brass insert and insulation made of cast resin is placed on the contact means. This is an advantage because in this way the contact means is sufficiently electrically insulated outside the area encapsulated with silicone.
  • the brass insert is soldered to the contact means. This is an advantage because the brass insert can be used to form an electrical contact with standardized dimensions for connecting a voltage divider.
  • the object of the invention is to specify a manufacturing method for a high-voltage bushing with a voltage divider tap, from which a test voltage of 20 kV can be tapped with a comparatively low design effort.
  • the invention solves this problem by the manufacturing method with the features of claim 7.
  • FIG. 1 A high-voltage bushing of the type EKTG, article number 313524 from HSP Hochhardserra GmbH, is shown with a flange area 2 for attachment to a transformer and a voltage divider tap 3.
  • a test extension 4 is placed on the voltage divider tap 3.
  • Figure 2 shows a cross section through the high-voltage bushing 1 with a voltage divider tap 3 according to Figure 1 .
  • the high-voltage bushing 1 there is a measurement connection recess, through which a strand 7 is passed as a contact means, the strand 7 in the high-voltage bushing 1 making electrical contact with a conductor 6.
  • the wire 7 and the conductor 6 are soldered.
  • a cable, which is insulated with a silicone jacket 8, is used as the strand 7.
  • the space between the strand 7 and the high-voltage bushing 1 is completely filled with silicone 5.
  • Over the strand 7 is a so-called candle with a brass insert 12 and insulation made of cast resin 9 is placed in the area outside the measuring connection recess.
  • the wire 7 and the brass insert 12 are soldered.
  • the voltage divider tap 3 is fastened to the high-voltage bushing 1 with a holding means 10.
  • the candle is protected by a housing 13 at its end remote from the high-voltage bushing.
  • FIG. 3 Various steps of a manufacturing process are shown.
  • the flange area 2 of a high-voltage bushing is shown, into which a measuring connection recess 14 has already been made by means of a bore.
  • the measuring connection recess 14 extends to the first layer of an electrical conductor 6 in the high-voltage bushing.
  • a solder bump 15 is placed on the conductor 6 at the bottom of the measuring connection recess 14.
  • Figure 4 shows a stripped cable that in Figure 5 was soldered to the solder bump. Silicone 5 is mixed with a wooden stick; the processing time is approx. 30 min., according to the manufacturer's data sheet.
  • Figure 8 shows how, after the silicone has hardened, a candle with a brass insert 12 and insulation made of casting resin 9 is placed on the strand.
  • the wire and the brass insert 12 are soldered, the soldering point preferably being arranged at the end of the brass insert 12 in the area of the stripped wire.
  • the candle is at her from the high voltage bushing more distant end protected by a housing 13.

Landscapes

  • Insulating Bodies (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (12)

  1. Traversée (1) de haute tension, comprenant un évidement (14) de connexion de mesure où est disposée une prise (3) de diviseur de tension ayant un moyen (7) de contact, une substance (5) isolante étant coulée dans une région entre le moyen (7) de contact et l'évidement (14) de connexion de mesure, caractérisée en ce que le moyen (7) de contact est brasé à un conducteur (6) dans la traversée (1) de haute tension, une bougie ayant un insert (12) en laiton et une isolation en une résine (9) de coulée étant mise sur le moyen (7) de contact.
  2. Traversée (1) de haute tension suivant la revendication 1, caractérisée en ce que la substance (5) isolante contient de la silicone, au moins en une certaine proportion.
  3. Traversée (1) de haute tension suivant l'une des revendications précédentes, caractérisée en ce que la prise (3) de diviseur de tension est appropriée à une tension de contrôle de 20 kV.
  4. Traversée (1) de haute tension suivant l'une des revendications précédentes, caractérisée en ce que les dimensions extérieures de la prise (3) de diviseur de tension correspond aux prescriptions de la norme IEEE STD C57.19.01-2000.
  5. Traversée (1) de haute tension suivant l'une des revendications précédentes, caractérisée en ce que le moyen (7) de contact est constitué sous la forme d'un cordon, notamment sous la forme d'un câble, ayant une isolation (8) de câble en silicone.
  6. Traversée (1) de haute tension suivant la revendication 7, caractérisée en ce que l'insert (12) en laiton est brasé au moyen (7) de contact.
  7. Procédé de fabrication d'une traversée (1) de haute tension ayant une prise (3) de diviseur de tension, comprenant les stades :
    - brasage d'un moyen (7) de contact dans un évidement (14) de connexion de mesure d'une traversée (1) de haute tension,
    - coulée d'une substance (5) isolante dans une région entre le moyen (7) de contact et l'évidement (14) de connexion de mesure, dans laquelle on brase le moyen (7) de contact à un conducteur (6) dans la traversée (1) de haute tension et on met sur le moyen (7) de contact une bougie ayant un insert (12) en laiton et une isolation (9) en une résine de coulée.
  8. Procédé de fabrication suivant la revendication 9, caractérisé en ce que l'on utilise comme substance (5) isolante une silicone, au moins en une certaine proportion.
  9. Procédé de fabrication suivant les revendications 7 ou 8, caractérisé en ce que la prise (3) de diviseur de tension est appropriée à une tension de contrôle de 20 kV.
  10. Procédé de fabrication suivant l'une des revendications 7 à 9, caractérisé en ce que l'on constitue les dimensions extérieures de la prise (3) de diviseur de tension conformément aux prescriptions de la norme IEEE STD C57.19.01-2000.
  11. Procédé de fabrication suivant l'une des revendications 7 à 10, caractérisé en ce que l'on constitue le moyen (7) de contact sous la forme d'un cordon, notamment sous la forme d'un câble, ayant une isolation (8) de câble en silicone.
  12. Procédé de fabrication suivant l'une des revendications 7 à 11, caractérisé en ce que l'on brase l'insert (12) en laiton au moyen (7) de contact.
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 EP3185251A1 (fr) 2017-06-28
EP3185251B1 true EP3185251B1 (fr) 2020-07-15

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ID=57629349

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Application Number Title Priority Date Filing Date
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)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018201224A1 (de) * 2018-01-26 2019-08-01 Siemens Aktiengesellschaft Steckbare Hochspannungsdurchführung und elektrisches Gerät mit der steckbaren Hochspannungsdurchführung

Family Cites Families (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
JPH0314768Y2 (fr) * 1986-01-23 1991-04-02

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3185251A1 (fr) 2017-06-28
DE102015226472A1 (de) 2017-06-22

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