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WO2018184775A1 - Appareil électrique comprenant une cuve ayant une forme complémentaire à celle d'un composant actif - Google Patents

Appareil électrique comprenant une cuve ayant une forme complémentaire à celle d'un composant actif Download PDF

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Publication number
WO2018184775A1
WO2018184775A1 PCT/EP2018/055309 EP2018055309W WO2018184775A1 WO 2018184775 A1 WO2018184775 A1 WO 2018184775A1 EP 2018055309 W EP2018055309 W EP 2018055309W WO 2018184775 A1 WO2018184775 A1 WO 2018184775A1
Authority
WO
WIPO (PCT)
Prior art keywords
boiler
winding
electrical device
core
active part
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/EP2018/055309
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 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 PL18710397T priority Critical patent/PL3577664T3/pl
Priority to CN201880022793.3A priority patent/CN110462762B/zh
Priority to EP18710397.3A priority patent/EP3577664B1/fr
Publication of WO2018184775A1 publication Critical patent/WO2018184775A1/fr
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
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • 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
    • H01F27/28—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 with an active part having a magnetizable core and at least one winding, which is adapted to generate a magnetic flux in the core, and a fillable with an insulating fluid boiler in which the active part is arranged.
  • traction transformers are offered in the market, which are pre- ⁇ see for mounting on a rail vehicle, such as ⁇ on a locomotive or a railcar.
  • Web transformers serve to provide a desired traction voltage for driving the locomotive or the railcar in response to various input voltages.
  • the known transformer has a web lying on ground potential boiler, which is filled with an iso ⁇ lierfluid, for example a Esterthekeit.
  • the active part of the Trans ⁇ formators so called is disposed, which has a group consisting of magnetisable sheet metal core and at least a portion of the two
  • Kerns concentrically enclosing windings includes. To connect the transformer to a high voltage Kes ⁇ sel is equipped with bushings.
  • the prior art electrical device has the disadvantage that the boiler is designed to be spacious and the electrical device has a high weight. However, in particular in railway ⁇ applications a compact, lightweight construction is desirable.
  • the object of the invention is therefore to provide an electrical device of the type mentioned, which is designed compact and has a low weight.
  • the invention solves this problem in that the boiler egg ⁇ ne inner wall forms, which is complementary in shape to the outer contour of the winding or the windings.
  • the boiler is not box-shaped, as in the prior art. Rather, the boiler shape is adapted to the outer contour of at least one of the windings.
  • the boiler is complementary in shape to each winding which defines the outer contour of the windings. In this case, the boiler keeps a distance to the windings, which is sufficient to ensure the desired clamping ⁇ tion strength of the electrical device. ⁇ on the basis of the complementary form-away over the entire circumference of the boiler embodiment of the boiler at least in the region of the windings, the latter has a smaller internal volume, so that the boiler with less isolator must be filled.
  • the electrical device Due to the smaller insulating fluid volume, the electrical device is lighter and more compact than a prior art electrical device with a box-shaped vessel. With regard to the smaller amount of insulating fluid, there are also cost advantages.
  • the form complementary From ⁇ design of the boiler is fully within the scope of the invention and not limited to changes in the ground or Deckelbe- reaching the boiler.
  • the active part has a plurality of windings, for example four windings, wherein in each case two Wick ⁇ lungs are arranged concentrically to each other and enclose a common leg of the core.
  • These are, for example, an inner low-voltage winding and a high-voltage winding enclosing the low-voltage winding.
  • the core expediently has a further leg, which is likewise enclosed by a low-voltage winding or high-voltage winding.
  • the two UN terstructs- and high-voltage windings are playing, be connected with ⁇ in series.
  • this embodiment of the electrical device according to the invention only define the high-voltage windings the outer contour of the active part.
  • the boiler is in this case designed complementary to the outer contour of the two high-voltage windings, which are arranged, for example, side by side, with the legs of the two high-voltage windings extending parallel to each other.
  • the inner wall of the boiler follows fully with walls ⁇ ren words, the outer contour of the outer windings.
  • three or more legs may be provided within the scope of the invention, each leg is equipped with a lower and higher voltage winding.
  • the boiler forms an inner wall whose dimensioning is adapted to active part sections with which the active part projects beyond the outer contour of the winding or the windings.
  • the boiler nestles not only on the outer contour of the outer windings, at least in its internal configuration. Rather, the boiler is also designed complementary to other sections of the active part, which just ⁇ if the outer contour of the active part set.
  • the core usually has a lower and upper yoke, which extend above or below the end faces of the respective windings. At the upper and lower yoke usually a pressing frame is provided, are pressed against each other with the flat abutting magnetizable sheets of the core.
  • the upper and lower yoke define together with the respective pressing frame then the outer contour of the active part, which is not defined by the windings.
  • the outer contour of the rest ⁇ Liche active part differs from this substantially.
  • the shape complementary adjustment of the boiler at this somewhat more complex outline is therefore limited to, to form a box-shaped envelope ⁇ .
  • This box-shaped contour then delimits an inner space which allows the voltage-resistant reception of said active part sections, but at the same time limits the internal volume of the boiler to minimize.
  • the boiler forms a hollow-cylindrical center section, which is provided for receiving at least one Wick ⁇ ment.
  • the boiler in the present invention forms a matching this hollow cylinder which surrounds the winding in its entirety.
  • the boiler forms a plurality of hollow cylindrical middle sections, each of which is for on ⁇ acquisition of at least one winding provided, wherein the hollow cylindrical center sections overlap each other, so that a common interior space is formed.
  • each outer winding may be arranged concentrically to an inner winding.
  • Each of these outer coils is disposed in an associated center section of the vessel, wherein each individual middle ⁇ section mounted in it outer coil no longer fully encloses but merges at one side of the winding in an adjacent middle portion. The sum of the center sections encloses all outer windings completely complementary to the shape.
  • the boiler has a boiler pan and a boiler lid connected to the boiler pan in insulating fluid tight manner.
  • boiler trough and vessel lid are again complementary to the outer contour of the outer winding and optionally complementary to form active part sections formed, which also define the outer contour of the active part.
  • the boiler expediently has fastening means for fastening the electrical device to a rail-guided vehicle.
  • the electrical device according to the invention is designed as a web transformer.
  • the fastening means comprise two fastening bolts extending in the longitudinal direction of the active part and extending on the two outer sides of the boiler. Due to the two fastening bolts electrical device according to the invention can be reliably and easily mounted on the rail vehicle.
  • the active part extends in the buildin ⁇ saturated position of the electrical device in its longitudinal direction wherein the horizontal boiler pan is ⁇ disposed below the active part and the boiler lid above the active part.
  • the electrical device designed here as a traction transformer is installed horizontally on the rail vehicle, the boiler pan carrying the active part.
  • the active part is attached to the inner wall of the boiler trough ⁇ , wherein the attachment of the electrical device also takes place via fastening means that on the
  • the boiler lid is used only for fluid-tight shielding and closing the boiler pan, so that a fluid-tight interior is provided.
  • an insulating fluid for example, is a liquid whose essential ingredient is one or more esters or are.
  • the boiler is equipped with a feed- through connection field.
  • the feedthrough connection field is used for easy connection of the electrical device according to the invention with external components, such as converters, switches and the like.
  • the boiler maintains a minimum distance to the outer contour of the windings and possibly also to the outer contour of portions of the active part, with which the active part projects beyond the outer contour of the windings, wherein the minimum distance is in the range of 25-50 mm. It has been found that, in particular in railway applications with high voltages occurring here is a distance of 25-50mm is sufficient to ensure the notwendi ⁇ ge withstand voltage in connection with the markter conceptionli- chen Isolierfluiden.
  • connection lines are provided, each at its winding end to a winding and at its distributor end with a
  • Distributed means are connected, wherein the core forms at least one bevelled corner of the nucleus and the
  • the active part of the erfindungsge ⁇ MAESSEN electrical device thus constructed has a core with chamfered corners core.
  • the beveled core corners provide an additional space for a distribution device in comparison to a previously known active part.
  • Distribution device is in turn connected to the connecting lines, which extend according to the prior art above the windings. Due to the shape-complementary Anpas ⁇ tion of the boiler at least portions of the active part which otherwise arranged on the windings
  • Distributor be arranged in the region of the chamfered corner of the nucleus, so that the active part is made more compact and a shape complementary design of the boiler is supported un ⁇ .
  • the connecting cables are preferred iso ⁇ profiled round conductor.
  • each connection conductor extends on an outer side of a winding, which faces away from each adjacent winding.
  • the connection conductors thus no longer extend above the windings according to this advantageous development, so that the requirement of an additional internal volume in the boiler is avoided.
  • the (2004)lei ⁇ obligations extend corresponds long, facing away from each other winding, in this variant of the invention by an electrode disposed on the outside of the winding tap windings on said outer side of the winding. On this outside is within the scope of the invention, the beveled
  • Core corner formed in the vicinity of the distribution unit is at least partially arranged. Is the active part of play provided at ⁇ with two winding assemblies, each outer winding of the coil assembly on a side facing the other parallel coil arrangement. In addition, however, the winding arrangement also forms a side facing away from the other winding arrangement, which is referred to here as the outside of the winding or winding arrangement.
  • the connecting cables are routed along this outside directly to the distribution device, so that a complex and expansive cable collection is avoided.
  • the taps of the windings are also arranged on the outside.
  • a winding arrangement preferably has two concentrically arranged windings, for example an upper and a lower voltage winding.
  • the electrical device has at least one pressing frame, which is provided for bracing the core by means of yoke bolts, wherein the core is fixedly attached to the boiler via the yoke bolts.
  • the electric device provided in accordance with this variant which is embodied, for example, as a transformer, in particular a rail transformer, or as a throttle, is characterized by a simple fastening between the core and the boiler.
  • the yoke bolts of the pressing frame which usually serve only for clamping the core sheets, are also used for fastening the core to the boiler.
  • the yoke bolts can basically be designed as desired within the scope of the invention.
  • the yoke bolts are configured circular cylindrical and provided at both ends with an external thread. There- at 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 bolts extend into a fastener fixedly connected to the vessel.
  • 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 nuts or corresponding screw holder or components.
  • the press frame does not rest on the boiler, but instead an intermediate nut is provided which holds the press frame and thus the entire core at a distance from the bottom of the boiler.
  • the fastening means is a buildin ⁇ actuating sleeve, which is fixed inside the boiler bottom.
  • the mounting sleeve protrudes from the bottom of the vessel and is example ⁇ equipped with an internal thread, which is in engagement with an Au ⁇ stangewinde one of the yoke bolts.
  • a clamping unit for generating a clamping force, with which each winding is braced on the core, wherein the clamping unit has no traction means and the clamping force generated by the clamping unit ⁇ te alone transmitted through the core and in each winding is initiated.
  • an active part is provided, in which the clamping force is introduced into the winding solely via the core and via the clamping frame firmly connected to the core.
  • Traction means such as tie rods or Werpressplatten with which a tensioned Holder of the coil ends is made redundant within the scope of the invention. Under a Switzerlandpressplatte to understand a running along the core leg flat Switzerland ⁇ medium.
  • the active part according to the invention Since the previously known traction means are missing, the active part according to the invention has become simpler in its construction. It requires fewer components than an active part according to the prior art and thus can be made more compact, in other words space-saving, so that the shape-complementary design of the boiler is facilitated. In addition, a lighter of assembly ge ⁇ ensured.
  • the core has at least one Kernschen ⁇ cle, which is enclosed by at least one winding and extending between a lower and an upper yoke, wherein each winding between the upper and the lower yoke is held clamped by means of a clamping unit.
  • the clamping unit can be designed as desired. It is thus possible, for example, to use a hydraulic cylinder as a clamping unit within the scope of the invention. Hydraulic cylinders, however, have the disadvantage that they must be controlled during the entire operating time of the active part in order at the changing temperatures of an insulating fluid, in which the active part is arranged during operation, no fluctuating with the temperature of the insulating fluid winding pressure in the windings initiate.
  • the clamping unit is therefore a simple, one-piece clamping block.
  • the chock is dimensioned so that it fills the resulting wherein Ver ⁇ tension of the winding additional space which, for example resting on the windings of a press ring and the upper yoke is defined.
  • the winding can therefore be biased and then the clamping block between the core and press ring are positioned.
  • the clamping block prevents further relaxation of the windings and ensures that the windings remain braced.
  • the clamp is For example, a simple solid solid, which is made of an electrically non-conductive and non-magnetizable material, such as a diamagnetic material, egg ⁇ nem insulating plastic, wood or the like, be ⁇ .
  • Magnetizable materials are to be understood here as meaning ferromagnetic materials.
  • the clamping unit comprises anlie ⁇ ing and mutually displaceable clamping wedges, which are equipped with Ar ⁇ retainer, which allow mutual fixing of the clamping wedges in a desired clamping position.
  • the dimensioning of the clamping unit can be adapted to the space created during bracing of the windings, which arises between the core or the clamping frame and the winding ring resting on the winding.
  • the clamping force is, for example, first introduced in the winding and then inserted in the clamping unit between the winding from the ring and the clamping frame or the upper or lower yoke limited space above a hyd ⁇ raulisches system.
  • the clamping wedges are first shifted against each other so that the clamping unit with sufficient clearance and thus can be easily inserted into said space. Subsequently, the wedges are shifted against each other so that the clamping unit increases and eventually fills the entire space. In this position, the clamping wedges, ie in this clamping position, the clamping wedges are fixed by means of the locking means. Subsequently, the hydraulic means can be removed, wherein the locked clamping ⁇ wedges clamp the windings on the core or clamping frame and hold in the clamped position.
  • Figure 1 shows a prior art boiler for an electric
  • Figure 2 shows an embodiment of the electrical device according to the invention
  • Figure 3 is a perspective partial view of the active part of another embodiment of the electrical device according to the invention
  • FIG. 4 shows the active part according to FIG. 2 with distribution strip
  • Figure 1 shows a boiler trough 1 of a prior art boiler, which is configured cuboid, with its two lower longitudinal edges 2 and 3 are chamfered.
  • Kesselwanne 1 mounting arms 4 are provided, which are each equipped with fastening means 5. Furthermore, an oil drain 6 on the boiler trough 1 can be seen. In the upper area, the boiler pan 1 has a mounting flange 7, which serves for the fluid-tight attachment of a boiler lid, not shown figuratively.
  • the boiler trough 1 shown in Figure 1 is adapted to receive an active part of a web transformer, wherein the active part is attached to the inside of the tub bottom 8.
  • the active part includes a core having two core legs, which are each enclosed by two mutually concentric arrange ⁇ th windings. On their side facing each other, the windings form a so-called gusset.
  • the attachment of the active part in the boiler 1 takes place in a horizontal position. In other words, the windings extend in their longitudinal direction parallel to the tank bottom, so that an elevation 9 provided in the tank bottom substantially extends. lent in the direction of said gusset, which is bounded by the two outer windings.
  • FIG. 2 shows an embodiment of the electrical device 21 according to the invention, but only the outer
  • Kettle 10 is recognizable. Again, the boiler 10 from ei ⁇ ner boiler pan 11 and a boiler lid 12 is set together ⁇ . For this purpose, both the boiler pan 11 and the boiler lid 12 each form a flange 13, between which a sealing means can be clamped, so that a fluid-tight oil space is provided within the boiler 10.
  • the boiler 10 is formed in sections round, with two hollow cylindrical center sections 14 and 15 are formed. In these hollow cylin ⁇ shaped central portions 14, 15 each extending a winding unit.
  • a winding unit comprises two windings arranged concentrically to one another, an outer high-voltage winding and an inner low-voltage winding. Both windings enclose a leg of the
  • the high-voltage windings have a distance of 30 mm to the inner wall of the center section 14 or 15. In this way, a shape complementary to the outer contour of the Wicklun ⁇ gen configuration of the cradle 10 is provided.
  • the boiler has at each one front end of the middle sections 14 and 15 box-shaped sections 16 and 17, which are adapted to the outer contour of the active part, with which the active part projects beyond the outer contour of the windings to the outside.
  • the upper or the lower yoke including the press frame of the active portion, wherein the box-shaped sections 16 and 17 conform while complying with the required minimum distance to the outer contour of the active part in this area.
  • the boiler pan 11 is equipped with fastening bolts 18, with which a simple attachment of the boiler 10 and thus the entire electrical device 21 is made possible on a rail vehicle.
  • a feedthrough terminal box 19 In the front area of the boiler 10, a feedthrough terminal box 19 can also be seen, are provided in the verei ⁇ Nander arranged sockets 20th In the sockets 20 cable plug can be inserted, so that a simple and faster flexible connection of the electrical device 21 according to the invention is made possible.
  • the electrical device 21 is more compact and requires less ester than a previously known electrical device with a qua ⁇ derförmigen boiler, which is shown in Figure 1. Therefore, a low-cost, lightweight, quick-mountable electrical device is According to the invention be made riding ⁇ in the invention.
  • FIG. 3 shows the active part 22 of the electrical device 21 according to FIG. 2, which comprises a core 23.
  • the core 23 has two outer legs 24, which are each enclosed by two concentrically ⁇ arranged windings.
  • the legs 24 are connected to each other by an upper yoke 29 and figurally ⁇ not shown lower yoke, so that a closed iron circle is created.
  • the high-voltage winding 25, 26 can be seen in each case.
  • the core 23 is again composed of sheet metal 27, which adjoins one another in a planar manner, of a magnetizable material, in this case iron, wherein the metal sheets 27 are clamped together by a lower and an upper press frame 28, not shown in the figures.
  • the upper press frame 28 like the lower press frame consisting of two on both sides of the upper yoke 29 arranged Press ⁇ portions 28a and 28b mitei- mechanically yoke bolts 30 are connected Nander.
  • the non-magnetic yoke bolts 30 extend through the upper yoke 29, with nuts 33 on both end sides for generating the clamping force are provided. Deviating from this, the yoke bolts 30 can serve for fastening the core 23 to the boiler pan 11.
  • each outer limb 24 has a beveled corner of the core 31 forms with the upper yoke 29 from ⁇ providing because they lack "half-area" in each case an additional amount of space.
  • Cross-sectional view which is not shown figuratively, forms the outer contour of the upper yoke 29 with the outer contour of a bevel 32 an inner angle of about 135 degrees. The same applies to the angle in the
  • Cross-sectional view is spanned by the outer contour of the chamfer 32 and the outer contour of the outer leg 24, wherein in each case is spoken by the inner angle. The same applies to the beveled core corner 31 on the left in Figure 3 side.
  • each pressing member 28a, 28b has a clamping beams 41a and 41b that lie one on each side of the upper 29 and lower yoke at ⁇ .
  • a horizontal section 42a and 42b extending at right angles thereto is provided, with which the upper clamping frame 28 as well as the lower figuratively not illustrated
  • the winding units 25 and 26 comprise two concentrically arranged windings, each enclose a leg 24 and legs 24 of the core 23.
  • Clamping unit 44 which is supported on the one hand on the horizontal sections 42a, 42b and on the other hand on the winding superstructure 43.
  • execution As drilling holes 45 can be seen as recesses through which punch a hydraulic power unit can be introduced to initiate a winding clamping force in the windings of the winding units 25 and 26 respectively. After that said windings by means of hydraulic
  • the Dimensio ⁇ n ist the clamping unit 44 is adapted to the space defined by the winding superstructure 43 and the horizontal sections 42 a and 42 b space.
  • the clamping unit 44 has two adjoining each other with their oblique wedge sides clamping wedges, which increase or decrease in a shift against each other, the clamping unit 44.
  • the clamping wedges are shifted so that the space between the horizontal sections 42 a and 42 b and the winding superstructure 43 is completely filled by the clamping unit 44.
  • the clamping unit 44 also has figured not shown Arretie ⁇ insurance agent to set the slips in the desired clamping Stel ⁇ development. Subsequently, the hydraulic power ⁇ unit can be removed, wherein the clamping unit 44 holds the windings of the winding units 24 and 26 in the clamped position.
  • FIG. 4 shows the top region of the active part 22 according to FIG. 3 in a plan view. Again, the beveled core corners 31 are recognizable. The outer contour of the core 22 without beveled core corners 31 is illustrated in FIG. 4 with the aid of the dashed lines 34. The dashed line 34 therefore illustrates the space gained by the bevel of the corners, so the missing neck basin. In this area, a distribution unit designed as a distributor strip 35 is arranged in each case. Each extends
  • Distribution bar 35 has arranged side by side cable connections 20.
  • the cable connections 36 are designed here as cable lugs, which are electrically connected to the distribution ends 11 of the connecting conductors 38, which are designed here as insulated round conductors.
  • the connection conductors 38 again have a weighing mechanism (not shown in FIG. Lungsende, with which they are electrically connected to a tap of an associated winding.
  • the cable connections 36 are each connected to a busbar 39, which in turn are connected at their side remote from the respective cable connection 36 to a cable bushing 40 as a feedthrough system.
  • Each cable socket 40 is after installation of the active part 22 in the boiler 10 in the boiler wall angeord ⁇ net and thus accessible from the outside, so that by inserting a cable connector into the cable socket 40, the respective winding tapping can be connected to an external component.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • General Induction Heating (AREA)

Abstract

L'invention concerne un appareil électrique (21) destiné à être raccordé à une haute tension et comprenant un composant actif (22) qui présente un noyau (23) magnétisable et au moins un enroulement (25, 26) qui est conçu pour générer un flux magnétique dans le noyau (23), ainsi qu'une cuve (10) pouvant être remplie d'un fluide isolant (10) et dans laquelle est disposé le composant actif (22). L'invention vise à créer un appareil électrique (21) de ce type qui soit de conception compacte et présente un poids propre réduit. À cet effet, la cuve (10) forme une paroi intérieure dont la forme est complémentaire au contour extérieur de l'enroulement ou des enroulements (25, 26).
PCT/EP2018/055309 2017-04-04 2018-03-05 Appareil électrique comprenant une cuve ayant une forme complémentaire à celle d'un composant actif Ceased WO2018184775A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL18710397T PL3577664T3 (pl) 2017-04-04 2018-03-05 Urządzenie elektryczne z kotłem wykonanym w kształcie komplementarnym do części czynnej
CN201880022793.3A CN110462762B (zh) 2017-04-04 2018-03-05 具有与有源部件形状互补地设计的箱体的电气装置
EP18710397.3A EP3577664B1 (fr) 2017-04-04 2018-03-05 Dispositif électrique avec une réservoir d'une forme complémentaire à la partie active

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017205752.1A DE102017205752A1 (de) 2017-04-04 2017-04-04 Elektrisches Gerät mit einem formkomplementär zum Aktivteil ausgestalteten Kessel
DE102017205752.1 2017-04-04

Publications (1)

Publication Number Publication Date
WO2018184775A1 true WO2018184775A1 (fr) 2018-10-11

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PCT/EP2018/055309 Ceased WO2018184775A1 (fr) 2017-04-04 2018-03-05 Appareil électrique comprenant une cuve ayant une forme complémentaire à celle d'un composant actif

Country Status (5)

Country Link
EP (1) EP3577664B1 (fr)
CN (1) CN110462762B (fr)
DE (1) DE102017205752A1 (fr)
PL (1) PL3577664T3 (fr)
WO (1) WO2018184775A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022017609A1 (fr) 2020-07-23 2022-01-27 Siemens Aktiengesellschaft Dispositif électrique à refroidissement direct forcé
CN115867994A (zh) * 2020-06-19 2023-03-28 西门子能源全球有限公司 在有源部件和罐之间具有机械解耦装置的电气设备
US20230230745A1 (en) * 2020-06-19 2023-07-20 Siemens Aktiengesellschaft Electrical appliance comprising a boiler having a shape complementary to the active part

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109741906A (zh) * 2019-01-24 2019-05-10 上海浙琪电器有限公司 一种方便接线的互感器

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DE102017205752A1 (de) 2018-10-04
EP3577664A1 (fr) 2019-12-11

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