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EP3320547A1 - Électrode en forme de jante et ensemble enroulement d'un transformateur de mesure - Google Patents

Électrode en forme de jante et ensemble enroulement d'un transformateur de mesure

Info

Publication number
EP3320547A1
EP3320547A1 EP16750147.7A EP16750147A EP3320547A1 EP 3320547 A1 EP3320547 A1 EP 3320547A1 EP 16750147 A EP16750147 A EP 16750147A EP 3320547 A1 EP3320547 A1 EP 3320547A1
Authority
EP
European Patent Office
Prior art keywords
electrode
transducer
winding
rim
winding arrangement
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
EP16750147.7A
Other languages
German (de)
English (en)
Other versions
EP3320547B1 (fr
Inventor
Sebastian BAEHR
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
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 AG, Siemens Corp filed Critical Siemens AG
Publication of EP3320547A1 publication Critical patent/EP3320547A1/fr
Application granted granted Critical
Publication of EP3320547B1 publication Critical patent/EP3320547B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/288—Shielding
    • H01F27/2885—Shielding with shields or electrodes

Definitions

  • Rim electrode and winding arrangement of a transducer The invention relates to a winding arrangement of a transducer and in particular a rim electrode of a winding arrangement derarti ⁇ gen.
  • the invention relates to voltage transformers for measuring electrical voltages and / or for protection against high electrical voltages and transducers, which are a combination of such voltage transformers with current transformers for measuring electrical currents and / or for protection against high electrical currents.
  • Such transducers transform electrical voltages and currents according to the principle of a transformer and have a winding arrangement with two different ones
  • the invention has for its object to provide an improved electrode of a winding arrangement of a transducer, an improved winding arrangement of a transducer and a method for their preparation and an improved transducer.
  • a rim electrode of the invention a voltage Wicklungsanord ⁇ a transducer includes a hollow cylindrical Electrode center portion and two opposing En ⁇ the rim electrode forming annular Ablekragen.
  • each shielding collar adjoins the electrode center section and is designed to be bent outwards relative to the electrode center section.
  • the rim electrode makes it possible to position and insert a transducer winding of the winding arrangement by applying the transducer winding to the electrode center section and, on the other hand, to shield the windings
  • the rim electrode has two functions in her ⁇ conventional winding assemblies by separate components imple- mented, namely by a rim for positioning and placing a transducer coil and shield electrodes for shielding electric fields. This advantageously reduces the number of components of the winding arrangement and thereby also the component costs, and simplifies and shortens the assembly of the winding arrangement.
  • each shielding collar is bent over the electrode center section by more than 180 degrees to the outside and designed to be open.
  • the open design of the Ablekragen advantageously allows the introduction of a transducer winding of the winding arrangement.
  • a further embodiment of the invention provides that the rim electrode consists of two electrode halves, each ⁇ wells form one half of the electrode center portion and each Ablekragens. This embodiment of the invention simplifies both the manufacture and the assembly of the rim electrode with respect to an integrally designed rim electrode.
  • a further embodiment of the invention provides that the rim electrode is made of a metallic material, ⁇ example, of aluminum.
  • a winding arrangement a transducer comprising a first transducer coil, the transit axis to a Wick- around passes, an inventive Felgenelekt ⁇ rode, which is arranged around the first transducer coil around, so that an inner surface of the Elektrodenffenab- surrounding section of an outer surface of the first transducer coil, and a second transducer winding extending around an outer surface of the electrode center section.
  • the winding assembly further comprises a winding tube around which the first transducer winding passes.
  • a winding tube advantageously simplifies the positioning and mounting of the winding arrangement, in particular around a core section of a measuring transducer core.
  • the second Messwandler- winding is placed around the outer surface of the section of the rim Elektrodenschab ⁇ electrode.
  • the inner ⁇ surface of the electrode center portion for example, with an adhesive cohesively with the outer surface of the connected first transducer winding.
  • applying a binder onto the outer surface of the first transducer coil and / or on the inner surface of the electrode center portion and the inner surface of the electrode center portion is firmly bonded by heating the binder ⁇ means with the outer surface of the first transducer coil.
  • the two electrode halves of a two-part rim electrode need not be connected to one another, since their positions are fixed by the material-locking connection with the first transducer winding.
  • An inventive transducer has a winding arrangement according to the invention.
  • the transducer further comprises a transducer core having a core portion around which the winding assembly is disposed. Such a transducer has the above already advantages by the embodiment with a winding arrangement according to the invention.
  • FIG. 2 is a perspective view of an active part unit of a transducer
  • FIG 3 is a perspective sectional view of an active part unit of a transducer
  • 4 shows a perspective view of a winding arrangement of an active subunit of a transducer
  • FIG 5 is a perspective view of an electric rim ⁇ de.
  • the transducer 1 shows a sectional view of a transducer 1.
  • the transducer 1 is designed as a gas-insulated combined voltage and current transformer.
  • the transducer 1 comprises a transducer housing 3 with a housing head 5, a housing bottom 7 and an extending between the housing head 5 and the housing bottom 7 insulator 9.
  • the housing head 5 is formed as a bottle-like hollow body, which is conical to a ring-shaped GeHousekopf- end 11, which surrounds a housing head opening, narrows.
  • the insulator 9 connects.
  • the iso ⁇ lator 9 is substantially formed as a tube having on its outer side insulator ribs 13 which extend in a ring around a longitudinal axis of the insulator 9.
  • the transducer housing 3 is for receiving an insulating gas such as sulfur hexafluoride gas-tightly formed.
  • the housing head 5 has a printing t ⁇ lastungsventil 15, lergetudeuse by the insulating gas from the Messwand- 3 can be discharged when the pressure in the
  • Transducer housing 3 exceeds a pressure threshold.
  • a conductor bushing 17 is arranged, are guided by the electrical conductor from the interior of the Mess ⁇ converter housing 3 to the outside.
  • a terminal box 19 for contacting the guided through the conductor bushing 17 conductor is arranged.
  • an active subunit 21 with a winding arrangement 22 according to the invention and a current transformer unit 23 are arranged as a voltage converter, wherein the current transformer unit 23 is arranged between the active subunit 21 and the insulator 9.
  • the active part unit 21 and the winding assembly 22 will be described below with reference to Figures 2 to 5.
  • Current transformer unit 23 comprises a primary conductor 25 designed as a busbar with primary conductor connections 27 arranged outside of the transducer housing 3 and a current transformer winding arrangement 29 running around the primary conductor 25 and known per se, and therefore not shown in detail, with a secondary current transformer winding.
  • a secondary transducer winding 41 of the winding arrangement 22 and the secondary current transformer winding of the current transformer winding arrangement 29 are connected to terminals of the terminal box 19 via connecting lines (not shown), wherein the connecting lines are provided by tube-like shielding sleeves 31 and 13 arranged in the transducer housing 3 are guided through the conductor bushing 17 to the terminal box 19.
  • Figures 2 and 3 show the active part unit 21 of the measuring ⁇ converter 1.
  • ei ⁇ NEN Figure 2 shows a perspective illustration ⁇ lung and Figure 3 shows a perspective Thomasdarstel ⁇ development of the activated partial unit 21.
  • the active component unit 21 comprises a transducer core 33 press frame 35 and the coil assembly 22.
  • the coil assembly 22 includes a roller tube 37, a primary first transducer coil 39, the secondary second measuring wall ⁇ lerwicklung 41 a rim electrode of the invention 43 and four anti-rotation 45th
  • the transducer core 33 is formed as an annular laminated core consisting of stacked laminations consists, which are pressed by the pressing frame 35 together.
  • the pressing frame 35 is U-shaped with two mutually parallel legs and a leg connecting the two legs formed.
  • the pressing frame 35 consists of two pressing frame halves 35.1, 35.2, each ei ⁇ ne half of each leg and the leg connection form and lie on different sides of a plane of symmetry, in the Pressrahmenhdonn 35.1, 35.2 abut each other.
  • each leg Leg ends of each leg are thoroughlybil ⁇ det for attachment of the press ⁇ frame 35 in the housing head 5 of the transducer 1.
  • each clamping member 51 is rod-like and has GR tendonss a Led ⁇ tes by a press frame half 35.1, 35.2 end to which a nut screw 53 for pressing the press frame half 35.1, is screwed to the transducer core 33 35.2.
  • the winding tube 37 surrounds a core portion 34 of the Messwand ⁇ lerkerns 33, which extends between the legs of the press frame 35 and by frame recesses 55 in the Pressrahmenhworthn 35.1, 35.2.
  • the winding tube 37 carries the primary transducer winding 39, which surrounds a central portion of the winding tube 37, the rim electrode 43, which is the primary
  • the Fel ⁇ counter-electrode 43 has a electrode center portion 57 is formed as a hollow circular cylinder, and two opposing Ablekragen 59 on. Each shielding collar 59 forms an end of the rim electrode 43 and the shielding of electrical fields from ⁇ against the Elektrodenstoff- portion 57 outwardly more than 180 degrees, preferably designed by more 270 degrees bent.
  • the rim ⁇ electrode 43 consists of two similar electrodes halves 43.1, 43.2 (see Figures 4 and 5), each forming one half of the electrode central portion 57 and each Ablekragens 59th
  • the anti-rotation 45 connect the winding tube 37 with the press frame 35 and prevent rotation of the winding tube 37 about its longitudinal axis.
  • each end of the winding tube 37 is connected to each of the two pressing frame halves 35.1, 35.2 by a respective rotation 45, so that the winding tube ⁇ 37 is connected by a total of four anti-rotation 45 with the press frame 35.
  • Each anti-rotation 45 connects the winding tube 37 with the pressing frame 35 by a curing compound in a manner not described in detail here.
  • Figure 4 shows a perspective view of the through the winding tube 37, the transducer windings 39, 41 and the
  • the inner surface of the electrode center portion 57 of the Felgenelekt ⁇ rode 43 is firmly bonded to the outer surface of the first transducer coil.
  • the inner surface of the electrode center portion 57 is firmly bonded with an adhesive to the outer surface of the first measuring wall ⁇ lerwicklung.
  • applying a binder onto the outer surface of the first transducer coil 49 and / or onto the inner surface of the Elektrodenstoffab ⁇ section 57 and the mecanicoberflä ⁇ surface of the electrode center portion 57 is by heating the binder to the outer surface of the first Messwandler- Winding 39 Cohesively connected.
  • FIG. 5 shows a perspective view of the rim ⁇ electrode 43.
  • the two electrode halves 43.1, 43.2 are made identical and are in a plane in which a longitudinal axis of the rim electrode 43 extends accurately anei ⁇ nander applied so that they together the Elektrodenstoff- section 57 and the two Ablekragen 59 form.
  • Each shielding collar 59 adjoins the electrode central portion 57, wherein the shielding collar 59 in the initially bent directly at the electrode central portion 57 adjoining region ge ⁇ geninate the electrode central portion 57 to the inside and the shielding collar is then designed bent outwards 59, so that the Shielding collar 59 has the shape of a Torusmantels from which a ring around the Elekt ⁇ rodenstoffabêt 57 extending strip oftengeschnit ⁇ th is.
  • the rim electrode 43 is made of a metallic material, for example of aluminum, for the purpose of shielding electric fields.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

L'invention concerne un ensemble enroulement (22) d'un transformateur de mesure (1). L'ensemble enroulement (22) comporte une électrode en forme de jante (43) qui comprend une partie centrale d'électrode (57) cylindrique creuse et deux rebords de protection annulaires (59) formant des extrémités opposées de l'électrode en forme de jante (43). Chaque rebord de protection (59) est adjacent à la partie centrale d'électrode (57) et est configuré de manière courbée vers l'extérieur par rapport à la partie centrale d'électrode (57).
EP16750147.7A 2015-09-03 2016-08-03 Électrode en forme de jante et ensemble enroulement d'un transformateur de mesure Active EP3320547B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015216860.3A DE102015216860A1 (de) 2015-09-03 2015-09-03 Felgenelektrode und Wicklungsanordnung eines Messwandlers
PCT/EP2016/068499 WO2017036715A1 (fr) 2015-09-03 2016-08-03 Électrode en forme de jante et ensemble enroulement d'un transformateur de mesure

Publications (2)

Publication Number Publication Date
EP3320547A1 true EP3320547A1 (fr) 2018-05-16
EP3320547B1 EP3320547B1 (fr) 2021-04-14

Family

ID=56618153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16750147.7A Active EP3320547B1 (fr) 2015-09-03 2016-08-03 Électrode en forme de jante et ensemble enroulement d'un transformateur de mesure

Country Status (5)

Country Link
EP (1) EP3320547B1 (fr)
CN (1) CN107924753A (fr)
DE (1) DE102015216860A1 (fr)
ES (1) ES2877526T3 (fr)
WO (1) WO2017036715A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016216499B4 (de) * 2016-09-01 2018-04-19 Siemens Aktiengesellschaft Spannungswandlereinheit mit einem Aktivteilgehäuse
DE102019214368B4 (de) * 2019-09-20 2023-02-02 Siemens Energy Global GmbH & Co. KG Messwandleranordnung mit einem Spannungswandler und einem Stromwandler
DE102020201100A1 (de) * 2020-01-30 2021-08-05 Siemens Aktiengesellschaft Spannungswandler

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE533273C (de) * 1929-11-16 1931-09-11 Koch & Sterzel Akt Ges Messwandlersatz, bestehend aus einem zusammengebauten Strom- und Spannungswandler
CH218921A (de) * 1940-08-19 1942-01-15 Bbc Brown Boveri & Cie Hochspannungsstromwandler.
DE967656C (de) * 1955-08-30 1957-12-05 Koch & Sterzel Ag Kombinierter Strom- und Spannungswandler
DE2325450A1 (de) * 1973-05-17 1974-11-21 Siemens Ag Einleiterwandler fuer hochspannungsschaltanlagen
DE2452056B2 (de) * 1974-11-02 1978-02-09 Messwandler-Bau Gmbh, 8600 Bamberg Induktiver spannungswandler fuer eine mittels isoliergas vollisolierte, metallgekapselte hochspannungsschaltanlage
DE2524547C2 (de) * 1975-05-30 1989-09-21 Siemens AG, 1000 Berlin und 8000 München Einleiterwandler für metallgekapselte Hochspannungsschaltanlage
JPH0646611B2 (ja) * 1984-12-26 1994-06-15 日新電機株式会社 変圧器
JPS61201410A (ja) * 1985-03-04 1986-09-06 Toshiba Corp ガス絶縁計器用変圧器
DE3737989C1 (de) * 1987-11-09 1989-05-11 Messwandler Bau Ag Hochspannungsspannungswandler
CH698970A1 (de) * 2008-06-04 2009-12-15 Trench Switzerland Ag Hochspannungs-Messwandler mit flexibler Isolierung.
CN103077811B (zh) * 2013-02-27 2015-07-08 江苏盛华电气有限公司 一种高压变压器绕组的屏蔽环及其加工方法
CN103730247B (zh) * 2013-12-17 2016-04-20 国家电网公司 一种全屏蔽高压隔离型电压互感器

Also Published As

Publication number Publication date
WO2017036715A1 (fr) 2017-03-09
EP3320547B1 (fr) 2021-04-14
CN107924753A (zh) 2018-04-17
DE102015216860A1 (de) 2017-03-09
ES2877526T3 (es) 2021-11-17

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