EP3577666A1 - Appareil électrique comprenant un composant actif fixé à la cuve par l'intermédiaire de boulons de culasse - Google Patents

Appareil électrique comprenant un composant actif fixé à la cuve par l'intermédiaire de boulons de culasse

Info

Publication number
EP3577666A1
EP3577666A1 EP18710396.5A EP18710396A EP3577666A1 EP 3577666 A1 EP3577666 A1 EP 3577666A1 EP 18710396 A EP18710396 A EP 18710396A EP 3577666 A1 EP3577666 A1 EP 3577666A1
Authority
EP
European Patent Office
Prior art keywords
core
boiler
electrical device
yoke
winding
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.)
Withdrawn
Application number
EP18710396.5A
Other languages
German (de)
English (en)
Inventor
Markus Baumann
Klaus Delatron
Julian Kraus
Manfred Montag
Erwin Sauer
Christer Vogt
David Weber
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
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 filed Critical Siemens AG
Publication of EP3577666A1 publication Critical patent/EP3577666A1/fr
Withdrawn legal-status Critical Current

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
    • H01F27/02—Casings
    • 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
    • H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • 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
    • H01F27/24—Magnetic cores
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
    • 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
    • H01F27/24—Magnetic cores
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/263—Fastening parts of the core together
    • 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
    • H01F27/24—Magnetic cores
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/266—Fastening or mounting the core on casing or support
    • 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
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/321—Insulating of coils, windings, or parts thereof using a fluid for insulating purposes only

Definitions

  • the invention relates to an electrical device for connection to a high-voltage power supply having a magnetizable core, at least one core-mounted winding adapted to generate a magnetic flux in the core, an insulating fluid-fillable vessel in which the core and each winding are arranged. and at least one
  • Press frame which is provided for clamping the core by means of yoke bolts.
  • Such an electric device is the expert from the Pra ⁇ tice already known.
  • electrical device is a web transformer that can be attached to a rail-mounted vehicle.
  • the traction transformer has an active part, consisting of a magnetizable iron core and two winding units that each have an upper and a lower voltage winding on ⁇ .
  • the upper and lower voltage windings are concentric with each other and enclose a leg of the core extending between upper and lower yokes.
  • the core consists of flat sheet metal plates, which are clamped together by an upper and lower pressing frame.
  • the windings are arranged horizontally in the Kes sei and a separate Keshnefest Trent on
  • the additional boiler attachment is complex because of the additional components and the extended pressing frame and therefore costly.
  • the object of the invention is therefore to provide an electrical device of the type mentioned, the active part can be quickly and inexpensively attached to the boiler.
  • the invention solves this problem in that the core is attached to the boiler via the yoke bolts.
  • an electrical device which is embodied, for example, as a transformer, in particular a web transformer, or as a throttle, is provided, which has a simple fastening between the core and the vessel.
  • Gurss be the yoke bolts of the press frame, which usually only serve to clamp the core laminations, also for fastening of the core on the boiler used.
  • the yoke bolts can basically be designed as desired within the scope of the invention.
  • the yoke bolts are designed circular cylindrical and provided at both ends with an external thread.
  • Through holes are provided in the core through which the yoke bolts extend.
  • Corresponding feedthrough ⁇ openings are provided in the two pressing bars of each press frame, which preferably at the top or un- direct yoke opposed to each other, wherein the respective yoke is arranged between them.
  • the yoke bolts extend both through the respective yoke and through the two pressing bars of the pressing frame. By screwing nuts, the sheets of the core can be clamped together.
  • said yoke bolt also extends into a fixedly connected to the boiler fastener.
  • the fastening means may be designed as a simple threaded plate on the boiler wall. The free end of the yoke bolts is screwed into the threaded plate.
  • the yoke bolts having a plurality of nuts or corresponding screw holder or Kom ⁇ components.
  • the fastening ⁇ medium is a fastening sleeve, which is fixed inside the boiler bottom.
  • the mounting sleeve protrudes from the bottom of the vessel and is equipped, for example with an internal thread, which is in engagement with an external thread of one of the yoke bolts.
  • the core consists of flat against each other ⁇ lying magnetizable plates, which are clamped together over the press frame.
  • the yoke bolt can be fastened with its two ends to the boiler via a fastening means, for example it is possible to guide the yoke bolts in fastening sleeves on mutually opposite sides of the boiler which are welded to the vessel wall, for example.
  • pref- is Trains t in the invention that the boiler comprises a boiler tank and a fluid-tight manner to the boiler pan composites ⁇ NEN vessel lid, with only the boiler tank with the core connected by the yoke bolts, however.
  • the boiler lid is fastened exclusively to the boiler pan, which means that the boiler can be better sealed in this way, preventing leaks in this way.
  • the core expediently has at least one core limb which is enclosed by at least one winding, wherein each core limb is connected via a lower and upper yoke to a further core limb above a return limb, which is not enclosed by any winding.
  • each core limb is connected via a lower and upper yoke to a further core limb above a return limb, which is not enclosed by any winding.
  • either a plurality of core legs can be provided, which are each enclosed by one or more windings. Deviating from this, it is also possible that only one core leg is provided, which is connected to an upper and lower yoke. Return legs can also be completely dispensed with within the scope of the invention.
  • the core has a lower and upper yoke, wherein at least one core leg, which is enclosed by at least one winding, extends between the upper and lower yoke.
  • Both the upper and the lower yoke are each equipped with a press frame. Together, the press frames ensure that the sheets of the core leg are held clamped together.
  • both the yoke bolts of the upper yoke and the yoke bolts of the lower yoke to be used for fastening the core or the entire active part consisting of winding and core to the boiler.
  • the boiler it is also possible within the scope of the invention for the boiler to be connected to the boiler at only one yoke, for example the upper yoke.
  • the electrical device is a Brutrans ⁇ formator, wherein the core has two legs, which are each enclosed by two concentrically arranged windings.
  • the windings are in the boiler.
  • the boiler is equipped with connection means for fastening the boiler and thus the entire electrical device to a rail vehicle.
  • the rails ⁇ vehicle is for example an electrically driven Lo komotive or a locomotive.
  • Figure 2 illustrate an embodiment of the electrical device according to the invention.
  • Figure 1 shows an electrical device 1 according to the prior
  • the electrical device 1 has a core 2, which comprises two core legs 3, wherein each core leg 3 extends from an upper yoke 4 to a lower yoke not shown in the figure. In FIG. 1, only one core leg 3 is shown. Each core leg 3 is enclosed by two concen ⁇ driven mutually arranged windings, one of which in the figure 1, only an outer winding, the so-called high-voltage winding 5, is visible.
  • the core 2 is composed of iron sheets 6 which abut each other with their flat sides or are stacked in other words.
  • a so-called press frame 7 is provided, which is arranged on both sides of the upper yoke 4 and consists of two press beams, of which only the lower press beam in Figure 1 can be seen.
  • the lower pressing beam extends beyond the outer contour of the core 2 into a fastening sleeve 8, where it can be fixed with a fastening screw 9.
  • the Be ⁇ fastening sleeve 8 is fixedly mounted on a headband 10, which is welded on the figuratively not shown boiler bottom.
  • Figure 2 shows an embodiment of the electrical device 1 according to the invention, which again has a core 2, wherein the core 2 comprises an upper yoke 4 and a lower yoke not shown in the figure.
  • the lower and upper yoke 4 are connected to each other by two core legs 3, so that a closed iron circle is realized.
  • the core 2 again consists of iron sheets 6, which lie flat against each other and are clamped together by a press frame 7.
  • the pressing frame 7 consists of an upper pressing beam 7a and a lower pressing beam 7b. Between the press beams 7a, 7b, the upper yoke 4 is arranged.
  • the upper pressing beam 7a and the lower pressing beam 7b are clamped together by means of yoke bolts 11.
  • the yoke bolts 11 extend respectively through an introduced in the upper yoke 4 fürgangsöff ⁇ planning, being provided in the press beam 7a and 7b corresponding through holes 12th
  • a through hole 12 of the upper press beam 7a is unused.
  • the two outer Jochbol ⁇ zen 11 only serve to clamp the core sheets 6 of the core 2
  • the two central yoke bolts 11 extend with its lower end in threaded sleeves 13 as a fastening means inside.
  • the threaded sleeves 13 are firmly connected to the inside ei ⁇ ner boiler wall. In the embodiment shown, the threaded sleeves 13 are welded to the boiler wall ver ⁇ .
  • the threaded sleeves 13 are provided with an internal thread, which is in engagement with an external thread of the yoke bolts 11.
  • the yoke bolts 11 expediently consist of an unmag ⁇ netic, ie diamagnetic or paramagnetic material and have a high mechanical strength. she serve in the invention both for core pressing and the attachment of the core and thus the entire act ' partly on the boiler of the electrical device. 1

Abstract

L'invention concerne un appareil électrique (1) destiné à être raccordé à une alimentation haute tension et comprenant un noyau (2) magnétisable, au moins un enroulement (3) maintenu sur le noyau (2) pour générer un flux magnétique dans celui-ci, une cuve pouvant être remplie de fluide isolant, dans laquelle le noyau (2) et chaque enroulement (5) sont disposés, et au moins un cadre de pression qui est conçu pour serrer le noyau (2) au moyen de boulons de culasse (11). L'invention vise à créer un appareil électrique (1) de ce type dont le composant actif peut être fixé de manière rapide et économique sur la cuve. À cet effet, le noyau du composant actif est fixé à demeure sur la cuve par l'intermédiaire des boulons de culasse (11).
EP18710396.5A 2017-04-04 2018-03-05 Appareil électrique comprenant un composant actif fixé à la cuve par l'intermédiaire de boulons de culasse Withdrawn EP3577666A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017205751.3A DE102017205751A1 (de) 2017-04-04 2017-04-04 Elektrisches Gerät mit einem über Jochbolzen am Kessel befestigten Aktivteil
PCT/EP2018/055307 WO2018184774A1 (fr) 2017-04-04 2018-03-05 Appareil électrique comprenant un composant actif fixé à la cuve par l'intermédiaire de boulons de culasse

Publications (1)

Publication Number Publication Date
EP3577666A1 true EP3577666A1 (fr) 2019-12-11

Family

ID=61622551

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18710396.5A Withdrawn EP3577666A1 (fr) 2017-04-04 2018-03-05 Appareil électrique comprenant un composant actif fixé à la cuve par l'intermédiaire de boulons de culasse

Country Status (4)

Country Link
EP (1) EP3577666A1 (fr)
CN (1) CN110476217A (fr)
DE (1) DE102017205751A1 (fr)
WO (1) WO2018184774A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1347738A (fr) * 1962-11-03 1964-01-04 Comp Generale Electricite Perfectionnements aux dispositifs de refroidissement des appareils électriques statiques
NL7312739A (nl) * 1973-09-14 1975-03-18 Philips Nv Inductief element met een uit lamellen opgebouwde
DE3918187A1 (de) * 1988-06-13 1989-12-21 Blum Gmbh & Co E Eisenkern fuer elektromagnetische geraete
DE102014107829B4 (de) * 2014-06-04 2020-07-30 Michael Riedel Transformatorenbau Gmbh Induktivität sowie Herstellungsverfahren hierfür und Baukasten
CN106663520A (zh) * 2014-09-12 2017-05-10 Abb瑞士股份有限公司 牵引变压器
CN204204561U (zh) * 2014-11-28 2015-03-11 卧龙电气集团股份有限公司 压钉式牵引变压器器身定位装置
CN104465038A (zh) * 2014-11-28 2015-03-25 卧龙电气集团股份有限公司 一种铁路牵引变压器铁芯垫脚夹紧装置
CN204189563U (zh) * 2014-11-28 2015-03-04 卧龙电气集团股份有限公司 桶式油箱变压器器身定位装置
CN204834288U (zh) * 2015-08-19 2015-12-02 鲁特电工股份有限公司 一种桶式油箱变压器夹件引出接地的绝缘装置
CN205230710U (zh) * 2015-12-29 2016-05-11 西安天虹电气有限公司 一种变压器器身下部夹件定位结构

Also Published As

Publication number Publication date
CN110476217A (zh) 2019-11-19
WO2018184774A1 (fr) 2018-10-11
DE102017205751A1 (de) 2018-10-04

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