WO2018184774A1 - Electrical unit having an active part fastened to the tank via yoke bolts - Google Patents

Electrical unit having an active part fastened to the tank via yoke bolts Download PDF

Info

Publication number
WO2018184774A1
WO2018184774A1 PCT/EP2018/055307 EP2018055307W WO2018184774A1 WO 2018184774 A1 WO2018184774 A1 WO 2018184774A1 EP 2018055307 W EP2018055307 W EP 2018055307W WO 2018184774 A1 WO2018184774 A1 WO 2018184774A1
Authority
WO
WIPO (PCT)
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.)
Ceased
Application number
PCT/EP2018/055307
Other languages
German (de)
French (fr)
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 AG
Siemens Corp
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
Priority to EP18710396.5A priority Critical patent/EP3577666A1/en
Priority to CN201880022799.0A priority patent/CN110476217A/en
Publication of WO2018184774A1 publication Critical patent/WO2018184774A1/en
Anticipated expiration legal-status Critical
Ceased 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Coils Of Transformers For General Uses (AREA)

Abstract

The invention relates to an electrical unit (1) for connection to a high voltage supply which has: a magnetisable core (2); at least one winding (3) which is held on the core and is designed to generate a magnetic flux in the core (2); a tank which can be filled with insulating fluid and in which the core (2) and each winding (5) are arranged; and at least one press frame which is provided to clamp the core (2) with the aid of yoke bolts (11); the active part of which unit can be fastened quickly and cost-effectively to the tank. According to the invention, the core of the active part is fastened permanently to the tank via the yoke bolts (11).

Description

Beschreibung description

Elektrisches Gerät mit einem über Jochbolzen am Kessel befes¬ tigten Aktivteil Electrical device with a yoke bolts on the boiler buildin ¬ saturated active part

Die Erfindung betrifft ein elektrisches Gerät zum Anschluss an eine Hochspannungsversorgung mit einem magnetisierbaren Kern, wenigstens einer am Kern gehaltenen Wicklung, die zum Erzeugen eines magnetischen Flusses im Kern eingerichtet ist, einem mit Isolierfluid befüllbaren Kessel, in dem der Kern und jede Wicklung angeordnet sind, und wenigstens einem 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

Pressrahmen, der zum Verspannen des Kerns mit Hilfe von Jochbolzen vorgesehen ist. Ein solches elektrisches Gerät ist dem Fachmann aus der Pra¬ xis bereits bekannt. Bei dem vorbekannten elektrischen Gerät handelt es sich um einen Bahntransformator, der an einem schienengeführten Fahrzeug befestigt werden kann. Der Bahntransformator weist ein Aktivteil auf, das aus einem magneti- sierbaren Eisenkern sowie zwei Wicklungseinheiten besteht, die jeweils eine Ober- sowie eine Unterspannungswicklung auf¬ weisen. Die Ober- und Unterspannungswicklungen sind konzentrisch zueinander angeordnet und umschließen einen Schenkel des Kerns, der sich zwischen einem oberen und einem unteren Joch erstreckt. Der Kern besteht aus flächig aneinander anliegenden Eisenblechen, die durch einen oberen und unteren Pressrahmen miteinander verspannt sind. 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. In the prior art 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.

In ihrer Längsrichtung sind die Wicklungen horizontal im Kes- sei angeordnet und über eine separate Kesselbefestigung amIn their longitudinal direction, the windings are arranged horizontally in the Kes sei and a separate Kesselbefestigung on

Kesselboden fixiert. Hierzu erstreckt sich der untere Press¬ rahmen, über die Außenkontur des Kerns hinaus in eine Befes¬ tigungshülse hinein, die mit einer am Kesselboden verschwei߬ ten Kesselbefestigung verbunden ist. Fixed tank bottom. For this purpose, the lower press ¬ frame, in a buildin ¬ actuating sleeve inside beyond the outer contour of the core also connected with a verschweiß ¬ th at the boiler bottom boiler fastening extends.

Die zusätzliche Kesselbefestigung ist aufgrund der zusätzlichen Komponenten und dem verlängerten Pressrahmen aufwändig und folglich kostenintensiv. Aufgabe der Erfindung ist es daher, ein elektrisches Gerät der eingangs genannten Art bereitzustellen, dessen Aktivteil schnell und kostengünstig am Kessel befestigt werden kann. 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.

Die Erfindung löst diese Aufgabe dadurch, dass der Kern über die Jochbolzen am Kessel befestigt ist. The invention solves this problem in that the core is attached to the boiler via the yoke bolts.

Erfindungsgemäß ist ein elektrisches Gerät, das beispielswei- se als Transformator, insbesondere Bahntransformator, oder als Drossel ausgeführt ist, bereitgestellt, das eine einfache Befestigung zwischen Kern und Kessel aufweist. Erfindungsge¬ mäß werden die Jochbolzen des Pressrahmens, die üblicherweise nur zum Verklemmen der Kernbleche dienen, auch zur Befesti- gung des Kerns am Kessel eingesetzt. According to the invention, 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. Erfindungsge ¬ Mäss 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.

Die Jochbolzen können im Rahmen der Erfindung grundsätzlich beliebig ausgestaltet sein. Bei einer bevorzugten Ausführung der Erfindung sind die Jochbolzen kreiszylindrisch ausgestal- tet und an beiden Enden mit einem Außengewinde versehen. Dabei sind im Kern Durchgangsbohrungen vorgesehen, durch welche sich die Jochbolzen erstrecken. Entsprechende Durchführungs¬ öffnungen sind auch in den beiden Pressbalken jedes Pressrahmens vorgesehen, die bevorzugt am oberen beziehungsweise un- teren Joch einander gegenüberliegen, wobei das jeweilige Joch zwischen ihnen angeordnet ist. Die Jochbolzen erstrecken sich sowohl durch das jeweilige Joch als auch durch die beiden Pressbalken des Pressrahmens. Durch Aufschrauben von Muttern können die Bleche des Kerns miteinander verklemmt werden. The yoke bolts can basically be designed as desired within the scope of the invention. In a preferred embodiment 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.

Im Rahmen der Erfindung erstreckt sich der besagte Jochbolzen darüber hinaus auch in ein fest mit dem Kessel verbundenes Befestigungsmittel. Das Befestigungsmittel kann als einfache Gewindeplatte an der Kesselwandung ausgeführt sein. Das freie Ende der Jochbolzen wird in der Gewindeplatte verschraubt. Es ist selbstverständlich auch möglich, dass der Jochbolzen mehrere Muttern oder entsprechende schraubbare Halter oder Kom¬ ponenten aufweist. So ist es beispielsweise möglich, dass der Pressrahmen auf dem Kessel nicht aufliegt, sondern eine Zwi¬ schenmutter vorgesehen ist, die den Pressrahmen und somit den gesamten Kern mit Abstand zum Boden des Kessels hält. Bevorzugt ist im Rahmen der Erfindung, dass das Befestigungs¬ mittel eine Befestigungshülse ist, die innen am Kesselboden befestigt ist. Die Befestigungshülse ragt vom Kesselboden auf und ist beispielsweise mit einem Innengewinde ausgerüstet, das mit einem Außengewinde eines der Jochbolzen im Eingriff steht. In the context of the invention, 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. It is also possible, of course, that the yoke bolts having a plurality of nuts or corresponding screw holder or Kom ¬ components. For example, it is possible that the Press frame on the boiler does not rest, but a Zwi ¬ rule mother is provided, which holds the press frame and thus the entire core at a distance from the bottom of the boiler. Is preferred in the invention that 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.

Zweckmäßigerweise besteht der Kern aus flächig aneinander an¬ liegenden magnetisierbaren Blechen, die über den Pressrahmen miteinander verspannt sind. Eine solche Ausführung des Kerns ist grundsätzlich bekannt, so dass an dieser Stelle auf wei¬ tere Ausführungen hierzu nicht eingegangen zu werden braucht. Unter einem „magnetisierbaren" Material ist hier ein ferro- magnetisches Material zu verstehen. Grundsätzlich kann sich der Jochbolzen mit seinen beiden Enden über ein Befestigungsmittel am Kessel befestigt sein. So ist es beispielsweise möglich, aneinander gegenüberliegenden Seiten des Kessels den Jochbolzen in Befestigungshülsen zu führen, die an der Kesselwand z.B. angeschweißt sind. Bevor- zugt ist im Rahmen der Erfindung jedoch, dass der Kessel eine Kesselwanne und eine fluiddicht mit der Kesselwanne verbunde¬ nen Kesseldeckel aufweist, wobei nur die Kesselwanne mit dem Kern über den Jochbolzen verbunden ist. Gemäß dieser vorteilhaften Weiterentwicklung ist der Kesseldeckel ausschließlich an der Kesselwanne befestigt. Der Kessel kann auf diese Weise besser abgedichtet werden. Leckagen sind auf diese Art und Weise vermieden. Conveniently, the core consists of flat against each other ¬ lying magnetizable plates, which are clamped together over the press frame. Such an embodiment of the core is known in principle, so that at this point on wei ¬ tere explanations need not be discussed. In principle, 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. According to In this advantageous development, 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.

Zweckmäßigerweise weist der Kern wenigstens einen Kernschen- kel auf, der von wenigstens einer Wicklung umschlossen ist, wobei jeder Kernschenkel über ein unteres und oberes Joch mit einem weiteren Kernschenkel ober einem Rückführungsschenkel verbunden ist, der von keiner Wicklung umschlossen ist. Im Rahmen dieser Weiterentwicklung der Erfindung können entweder mehrere Kernschenkel vorgesehen sein, die jeweils von einer oder mehreren Wicklungen umschlossen sind. Abweichend davon ist es auch möglich, dass lediglich ein Kernschenkel vorgese- hen ist, der mit einem oberen und unteren Joch verbunden ist. Auf Rückführungsschenkel kann im Rahmen der Erfindung auch vollständig verzichtet werden. 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. in the As part of this further development of the invention, 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.

Abweichend hiervon ist es jedoch auch möglich, dass zwei Rückführungsschenkel vorgesehen sind, die von keiner Wicklung umgeben sind und allein dazu dienen, einen geschlossenen Magnet- oder Eisenkreis bereitzustellen. Wesentlich bei dieser Ausführung der Erfindung ist, dass der Kern ein unteres und oberes Joch aufweist, wobei sich zumindest ein Kernschenkel, der von wenigstens einer Wicklung umschlossen ist, zwischen dem oberen und unteren Joch erstreckt. Deviating from this, however, it is also possible that two return legs are provided, which are surrounded by no winding and serve solely to provide a closed magnetic or iron circuit. Essential in this embodiment of the invention is that 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.

Dabei sind sowohl das obere als auch das untere Joch jeweils mit einem Pressrahmen ausgerüstet. Die Pressrahmen sorgen ge- meinsam dafür, dass die Bleche des Kernschenkels miteinander verspannt gehalten sind. Im Rahmen der Erfindung ist es nun möglich, dass sowohl die Jochbolzen des oberen Joches als auch die Jochbolzen des unteren Joches zur Befestigung des Kerns beziehungsweise des gesamten aus Wicklung und Kern be- stehenden Aktivteils am Kessel eingesetzt werden. Abweichend ist es im Rahmen der Erfindung jedoch auch möglich, dass der Kessel an lediglich einem Joch, beispielsweise dem oberen Joch, mit dem Kessel verbunden ist. Vorteilhafterweise ist das elektrische Gerät ein Bahntrans¬ formator, wobei der Kern zwei Schenkel aufweist, die jeweils von zwei konzentrisch zueinander angeordneten Wicklungen umschlossen sind. Die Kernschenkel und somit die sie umschlie¬ ßenden Wicklungen erstrecken sich jeweils in einer Längsrich- tung parallel zueinander, wobei sie sich horizontal erstre¬ cken. Mit anderen Worten liegen die Wicklungen im Kessel. Vorteilhafterweise ist der Kessel mit Anschlussmitteln zur Befestigung des Kessels und somit des gesamten elektrischen Geräts an einem Schienenfahrzeug ausgerüstet. Das Schienen¬ fahrzeug ist beispielsweise eine elektrisch angetriebene Lo- komotive oder ein Triebfahrzeug. 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. In the context of the invention, it is now possible for 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. By way of derogation, however, 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. Advantageously, the electrical device is a Bahntrans ¬ formator, wherein the core has two legs, which are each enclosed by two concentrically arranged windings. The core arms and thus they enclose ¬ sequent windings extending in a longitudinal direction parallel to each other, they horizontally erstre ¬ CKEN. In other words, the windings are in the boiler. Advantageously, 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.

Weitere zweckmäßige Ausgestaltungen und Vorteile der Erfin¬ dung sind Gegenstand der nachfolgenden Beschreibung von Ausführungsbeispielen der Erfindung unter Bezug auf die Figuren der Zeichnung, wobei gleiche Bezugszeichen auf gleich wirkende Bauteile verweisen und wobei Further expedient embodiments and advantages of the inven ¬ tion are the subject of the following description of embodiments of the invention with reference to the figures of the drawing, wherein like reference numerals refer to like-acting components and wherein

Figur 1 eine Befestigung eines Aktivteils an einen 1 shows an attachment of an active part to a

Kessel eines elektrischen Geräts gemäß dem Stand der Technik und  Boiler of an electrical device according to the prior art and

Figur 2 ein Ausführungsbeispiel des erfindungsgemäßen elektrischen Geräts verdeutlichen. Figur 1 zeigt ein elektrisches Gerät 1 gemäß dem Stand derFigure 2 illustrate an embodiment of the electrical device according to the invention. Figure 1 shows an electrical device 1 according to the prior

Technik. Das elektrische Gerät 1 weist einen Kern 2 auf, der zwei Kernschenkel 3 umfasst, wobei sich jeder Kernschenkel 3 von einem oberen Joch 4 zu einem figürlich nicht dargestellten unteren Joch erstreckt. In Figur 1 ist nur ein Kernschen- kel 3 dargestellt. Jeder Kernschenkel 3 ist von zwei konzent¬ risch zueinander angeordneten Wicklungen umschlossen, von denen in der Figur 1 lediglich eine äußere Wicklung, die so genannte Oberspannungswicklung 5, erkennbar ist. Der Kern 2 ist aus Eisenblechen 6 zusammengesetzt, die mit ihren Flachseiten aneinander anliegen oder mit anderen Worten gestapelt sind.Technology. 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.

Um die Eisenbleche aneinander zu halten, ist ein so genannter Pressrahmen 7 vorgesehen, der beidseitig des oberen Joches 4 angeordnet ist und aus zwei Pressbalken besteht, von denen lediglich der untere Pressbalken in Figur 1 erkennbar ist. Der untere Pressbalken erstreckt sich über die Außenkontur des Kerns 2 hinaus in eine Befestigungshülse 8 hinein, wo er mit einer Befestigungsschraube 9 fixiert werden kann. Die Be¬ festigungshülse 8 ist fest an einem Haltebügel 10 montiert, der auf dem figürlich nicht dargestellten Kesselboden angeschweißt ist. In order to hold the iron sheets together, 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.

Figur 2 zeigt ein Ausführungsbeispiel des erfindungsgemäßen elektrischen Geräts 1, das wieder einen Kern 2 aufweist, wobei der Kern 2 ein oberes Joch 4 sowie ein figürlich nicht dargestelltes unteres Joch umfasst. Das untere und obere Joch 4 sind durch zwei Kernschenkel 3 miteinander verbunden, so dass ein geschlossener Eisenkreis realisiert ist. Wie bei dem in Figur 1 gezeigten Aktivteil besteht der Kern 2 wieder aus Eisenblechen 6, die flächig aneinander anliegen und über einen Pressrahmen 7 miteinander verklemmt sind. Der Pressrahmen 7 besteht aus einem oberen Pressbalken 7a sowie einem unteren Pressbalken 7b. Zwischen den Pressbalken 7a, 7b ist das obere Joch 4 angeordnet. Der obere Pressbalken 7a und der untere Pressbalken 7b sind mit Hilfe von Jochbolzen 11 miteinander verspannt. Dabei erstrecken sich die Jochbolzen 11 jeweils durch eine in dem oberen Joch 4 eingebrachte Durchgangsöff¬ nung, wobei in dem Pressbalken 7a beziehungsweise 7b entspre- chende Durchgangsöffnungen 12 vorgesehen sind. In Figur 2 ist erkennbar, dass eine Durchgangsbohrung 12 des oberen Pressbalkens 7a unbenutzt ist. Während die beiden äußeren Jochbol¬ zen 11 lediglich zum Verspannen der Kernbleche 6 des Kerns 2 dienen, erstrecken sich die beiden mittigen Jochbolzen 11 mit ihrem unteren Ende in Gewindehülsen 13 als Befestigungsmittel hinein. Die Gewindehülsen 13 sind fest mit der Innenseite ei¬ ner Kesselwand verbunden. In dem gezeigten Ausführungsbeispiel sind die Gewindehülsen 13 mit der Kesselwand ver¬ schweißt. Die Gewindehülsen 13 sind mit einem Innengewinde versehen, das mit einem Außengewinde der Jochbolzen 11 in Eingriff steht. Somit ist eine Befestigung des Kerns 2 am Kessel auf einfache Art und Weise ohne zusätzliche Komponen¬ ten möglich, wobei gleichzeitig eine kompakte Bauweise be¬ reitgestellt ist. 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. As in the case of the active part shown in FIG. 1, 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. Here, the yoke bolts 11 extend respectively through an introduced in the upper yoke 4 Durchgangsöff ¬ planning, being provided in the press beam 7a and 7b corresponding through holes 12th In Figure 2 it can be seen that a through hole 12 of the upper press beam 7a is unused. While 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. Thus, an attachment of the core 2 to the boiler in a simple manner without additional Komponen ¬ th possible, at the same time a compact design is ¬ reitgestellt.

Die Jochbolzen 11 bestehen zweckmäßigerweise aus einem unmag¬ netischen, also diamagnetischen oder paramagnetischen, Material und verfügen über eine hohe mechanische Festigkeit. Sie dienen im Rahmen der Erfindung sowohl zur Kernpressung als auch der Befestigung des Kerns und somit des gesamten Akt ' teils am Kessel des elektrischen Geräts 1. 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

Claims

Patentansprüche claims 1. Elektrisches Gerät (1) zum Anschluss an eine Hochspan¬ nungsversorgung mit 1. An electrical appliance (1) for connection to a high tension voltage supply ¬ - einem magnetisierbaren Kern (2),  a magnetizable core (2), - wenigstens einer am Kern gehaltenen Wicklung (3) , die zum Erzeugen eines magnetischen Flusses im Kern (2) eingerichtet ist,  at least one winding (3) held on the core and arranged to generate a magnetic flux in the core (2), - einem mit Isolierfluid befüllbaren Kessel, in dem der Kern (2) und jede Wicklung (5) angeordnet sind, und - A boiler can be filled with insulating fluid, in which the core (2) and each winding (5) are arranged, and - wenigstens einem Pressrahmen, der zum Verspannen des Kerns (2) mit Hilfe von Jochbolzen (11) vorgesehen ist, d a d u r c h g e k e n n z e i c h n e t , dass - At least one pressing frame, which is provided for bracing the core (2) by means of yoke bolts (11), d a d u r c h e c e n e c e s in that e der Kern (2) über die Jochbolzen (11) fest am Kessel befes- tigt ist. the core (2) is firmly attached to the boiler via the yoke bolts (11). 2. Elektrisches Gerät (1) nach Anspruch 1, 2. Electrical device (1) according to claim 1, d a d u r c h g e k e n n z e i c h n e t , dass d a d u r c h e c e n c i n e s that der Kern (2) aus flächig aneinander anliegenden magnetisier- baren Blechen (6) besteht, die über jeden Pressrahmen (7) miteinander verspannt sind. the core (2) consists of surface-to-each other magnetizable sheets (6), which are clamped together via each pressing frame (7). 3. Elektrisches Gerät (1) nach einem der vorhergehenden Ansprüche, 3. Electrical device (1) according to one of the preceding claims, d a d u r c h g e k e n n z e i c h n e t , dass d a d u r c h e c e n c i n e s that der Kessel eine Kesselwanne und einen fluiddicht mit der Kes¬ selwanne verbundenen Kesseldeckel aufweist, wobei nur die Kesselwanne mit dem Kern (2) verbunden ist. the boiler comprises a boiler tank and a fluid-tight manner with the Kes ¬ selwanne associated vessel lid, with only the boiler tank with the core (2) is connected. 4. Elektrisches Gerät (1) nach einem der vorhergehenden Ansprüche, 4. Electrical device (1) according to one of the preceding claims, d a d u r c h g e k e n n z e i c h n e t , dass d a d u r c h e c e n c i n e s that der Kern (2) wenigstens einen Kernschenkel (3) aufweist, der von wenigstens einer Wicklung (5) konzentrisch umschlossen ist, wobei jeder Kernschenkel (3) mit unteren und oberen Joch (4) verbunden ist. the core (2) has at least one core limb (3) which is concentrically enclosed by at least one winding (5), each core limb (3) being connected to the lower and upper yokes (4). 5. Elektrisches Gerät (1) nach Anspruch 4, d a d u r c h g e k e n n z e i c h n e t , dass 5. Electrical device (1) according to claim 4, characterized in that das untere und das obere Joch (4) jeweils mit einem Pressrah¬ men (7) ausgerüstet ist und sowohl das untere als auch das obere Joch (4) über die Jochbolzen (11) mit dem Kessel ver- bunden ist. the lower and the upper yoke (4) are each equipped with a Pressrah ¬ men (7) and both the lower and the upper yoke (4) via the yoke bolts (11) is connected to the boiler. 6. Elektrisches Gerät (1) nach einem der vorhergehenden Ansprüche, 6. Electrical device (1) according to one of the preceding claims, d a d u r c h g e k e n n z e i c h n e t , dass d a d u r c h e c e n c i n e s that das elektrische Gerät (1) ein Bahntransformator ist, wobei der Kern (2) zwei Schenkel (3) aufweist, die jeweils von zwei konzentrisch zueinander angeordneten Wicklungen (5) umschlossen sind. the electrical device (1) is a traction transformer, wherein the core (2) has two legs (3) which are each enclosed by two windings (5) arranged concentrically to one another. 7. Elektrisches Gerät (1) nach einem der vorhergehenden Ansprüche, 7. Electrical device (1) according to one of the preceding claims, d a d u r c h g e k e n n z e i c h n e t , dass d a d u r c h e c e n c i n e s that der Kessel mit Anschlussmitteln zum Befestigen des Kessels an einem Schienenfahrzeug ausgerüstet ist. the boiler is equipped with connection means for fixing the boiler to a rail vehicle. 8. Elektrisches Gerät (1) nach Anspruch 7, 8. Electrical device (1) according to claim 7, d a d u r c h g e k e n n z e i c h n e t , dass d a d u r c h e c e n c i n e s that in der befestigten Stellung die Wicklungen in ihrer Längserstreckung horizontal ausgerichtet sind. in the fastened position, the windings are aligned horizontally in their longitudinal extent.
PCT/EP2018/055307 2017-04-04 2018-03-05 Electrical unit having an active part fastened to the tank via yoke bolts Ceased WO2018184774A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18710396.5A EP3577666A1 (en) 2017-04-04 2018-03-05 Electrical unit having an active part fastened to the tank via yoke bolts
CN201880022799.0A CN110476217A (en) 2017-04-04 2018-03-05 Electrical installations with active components bolted to the box by yokes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017205751.3A DE102017205751A1 (en) 2017-04-04 2017-04-04 Electrical device with an active part attached to the boiler via yoke bolts
DE102017205751.3 2017-04-04

Publications (1)

Publication Number Publication Date
WO2018184774A1 true WO2018184774A1 (en) 2018-10-11

Family

ID=61622551

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/055307 Ceased WO2018184774A1 (en) 2017-04-04 2018-03-05 Electrical unit having an active part fastened to the tank via yoke bolts

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115732187A (en) * 2022-12-08 2023-03-03 日新电机（无锡）有限公司 Oil-immersed iron core structure adopting U-shaped iron yoke structure and reactor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230230745A1 (en) * 2020-06-19 2023-07-20 Siemens Aktiengesellschaft Electrical appliance comprising a boiler having a shape complementary to the active part

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204204561U (en) * 2014-11-28 2015-03-11 卧龙电气集团股份有限公司 Nail pressing formula traction transformer device body positioner
CN104465038A (en) * 2014-11-28 2015-03-25 卧龙电气集团股份有限公司 Rail traction transformer core cushion foot clamping device
CN204834288U (en) * 2015-08-19 2015-12-02 鲁特电工股份有限公司 Insulator arrangement of ground connection is drawn forth to barrel type tank transformer folder
WO2016038222A1 (en) * 2014-09-12 2016-03-17 Abb Technology Ag Traction transformer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1347738A (en) * 1962-11-03 1964-01-04 Comp Generale Electricite Improvements to cooling devices for static electrical devices
NL7312739A (en) * 1973-09-14 1975-03-18 Philips Nv INDUCTIVE ELEMENT WITH A BLADE BUILT
DE3918187A1 (en) * 1988-06-13 1989-12-21 Blum Gmbh & Co E Iron core for electromagnetic appliances
DE102014107829B4 (en) * 2014-06-04 2020-07-30 Michael Riedel Transformatorenbau Gmbh Inductance and manufacturing processes therefor and modular system
CN204189563U (en) * 2014-11-28 2015-03-04 卧龙电气集团股份有限公司 Barrel type tank transformer body positioning device
CN205230710U (en) * 2015-12-29 2016-05-11 西安天虹电气有限公司 Transformer ware body lower part folder location structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016038222A1 (en) * 2014-09-12 2016-03-17 Abb Technology Ag Traction transformer
CN204204561U (en) * 2014-11-28 2015-03-11 卧龙电气集团股份有限公司 Nail pressing formula traction transformer device body positioner
CN104465038A (en) * 2014-11-28 2015-03-25 卧龙电气集团股份有限公司 Rail traction transformer core cushion foot clamping device
CN204834288U (en) * 2015-08-19 2015-12-02 鲁特电工股份有限公司 Insulator arrangement of ground connection is drawn forth to barrel type tank transformer folder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115732187A (en) * 2022-12-08 2023-03-03 日新电机（无锡）有限公司 Oil-immersed iron core structure adopting U-shaped iron yoke structure and reactor

Also Published As

Publication number Publication date
CN110476217A (en) 2019-11-19
EP3577666A1 (en) 2019-12-11
DE102017205751A1 (en) 2018-10-04

Similar Documents

Publication Publication Date Title
EP3577664B1 (en) Electrical device with a tank having a shape complementary to the active part
EP3493229A1 (en) Press arrangement for windings of transformers
WO2018184774A1 (en) Electrical unit having an active part fastened to the tank via yoke bolts
EP2239745B1 (en) Voltage transformer with amorphous coil
EP3133615B1 (en) Electrical winding assembly
WO2018184776A1 (en) Active part having clamping means without tie rods
DE1008817B (en) Rectangular magnetic core made of laminated sheet metal for electrical induction devices, especially transformers
WO2018033336A1 (en) Multi-storey transformer for a distribution network or operation with a converter
EP3721458A1 (en) Electric device with pressing plates for clamping a magnetizable core
DE1029412B (en) High voltage transformer for television receivers
DE102017005120B4 (en) transformer
DE2621762C2 (en) Pressing device for the windings of a transformer
EP3577665A1 (en) Active part for an electrical high-voltage device
DE1513977C (en) Device for joint pressing of the cores and windings of large transformers
DE8136950U1 (en) Device for electric resistance welding
DE1251858B (en)
DE2033244C3 (en) Transformer that can be moved by rail
DE914754C (en) Multi-leg laminated iron core for transformers and like
DE2832293C2 (en) Arrangement for supporting transformer windings with a rectangular cross-section
DE1827472U (en) TRANSFORMER, IN PARTICULAR MAINS TRANSFORMER.
DE1413534B2 (en) DEVICE FOR COMPRESSING THE CORES AND WINDINGS OF LARGE TRANSFORMERS
DE1218606B (en) Large capacity transformer or reactor
DE1054155B (en) Tensioning element of electrical machines and apparatus located in the area of electromagnetic alternating fields
CH147585A (en) Choke coil.
DE1488305B2 (en) CURRENT CONVERTER WITH HIGH DYNAMIC STRENGTH

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18710396

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2018710396

Country of ref document: EP

Effective date: 20190906

NENP Non-entry into the national phase

Ref country code: DE