EP3577664B1 - Dispositif électrique avec une réservoir d'une forme complémentaire à la partie active - Google Patents

Dispositif électrique avec une réservoir d'une forme complémentaire à la partie active Download PDF

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Publication number
EP3577664B1
EP3577664B1 EP18710397.3A EP18710397A EP3577664B1 EP 3577664 B1 EP3577664 B1 EP 3577664B1 EP 18710397 A EP18710397 A EP 18710397A EP 3577664 B1 EP3577664 B1 EP 3577664B1
Authority
EP
European Patent Office
Prior art keywords
electrical device
winding
tank
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.)
Active
Application number
EP18710397.3A
Other languages
German (de)
English (en)
Other versions
EP3577664A1 (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 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
Priority to PL18710397T priority Critical patent/PL3577664T3/pl
Publication of EP3577664A1 publication Critical patent/EP3577664A1/fr
Application granted granted Critical
Publication of EP3577664B1 publication Critical patent/EP3577664B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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 which has a magnetizable core and at least one winding which is set up to generate a magnetic flux in the core, and a tank which can be filled with an insulating fluid and in which the active part is arranged , wherein the boiler forms an inner wall which is designed to complement the outer contour of the winding or the windings.
  • Such an electrical device is for example from JP H02 244703 A known.
  • the electrical device described there has a magnetizable core that forms a closed magnetic circuit.
  • One leg of the core is enclosed by a winding so that the winding can generate a magnetic flux in the core.
  • the core and windings are arranged in a tank that is designed to complement the shape of the external winding. The tank therefore has a round shape on the outside.
  • JP S 61 135104 A , CN 202 720 994 U , JP H 09 35957 A also show such an electrical device.
  • the WO 2016/038222 A1 discloses a railway transformer with a tank adapted to the contour of the windings, the core being partially arranged outside the tank. Further prior art is from EP 3 048 623 A1 , CN 204 010 978 U , JP S 61 174704 A , CN 204 204 561 U , CN 104 465 038 A , CN 204 834 288 U , US 2014/075744 A1 , CN 204 651 148 U , GB 1 454 501 A , U.S. 3,366,907 A , CN 204 155 755 U , GB997483 , CH487485 , US2013 / 0147594 A1 and the US 8,558,651 B2 known.
  • railway transformers are available on the market that are intended for installation on a rail vehicle, such as a locomotive or a railcar.
  • Railway transformers are used to provide a desired traction voltage for the drive of the locomotive or the railcar depending on different input voltages.
  • the previously known railway transformer has a tank which is at ground potential and which is filled with an insulating fluid, for example an ester fluid.
  • the so-called active part of the transformer is arranged in the tank and comprises a core consisting of magnetizable sheet metal and at least two windings concentrically surrounding a section of the core.
  • the boiler is equipped with bushings to connect the transformer to a high voltage.
  • the previously known electrical device has the disadvantage that the boiler is designed to occupy space and the electrical device has a high dead weight.
  • a compact, lightweight structure is desirable, particularly in railway applications.
  • the object of the invention is therefore to provide an electrical device of the type mentioned at the outset, which is designed to be compact and has a low dead weight.
  • connection lines and a distribution device, the connection lines being connected to a winding at their winding end and to the distribution device at their distribution end, the core forming at least one beveled core corner and the distribution device in the area the beveled core corner is arranged.
  • the boiler is not, as in the prior art, box-shaped. Rather, the cup shape is adapted to the outer contour of at least one of the windings.
  • the shape of the boiler is advantageously complementary formed for each winding that defines the outer contour of the windings.
  • the boiler maintains a distance from the windings that is sufficient to ensure the desired dielectric strength of the electrical device. Due to the shape of the boiler, which is complementary in shape over the entire circumference of the boiler, at least in the area of the windings, it has a smaller internal volume, so that the boiler has to be filled with less insulating fluid. Because of the smaller volume of the insulating fluid, 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 shape-complementary design of the boiler is fully within the scope of the invention and not limited to adjustments in the bottom or cover area of the boiler.
  • connection lines are provided which are each connected at their winding end to a winding and at their distributor end to a distribution device, the core forming at least one beveled core corner and the distribution device being arranged in the area of the beveled core corner.
  • the active part of the electrical device according to the invention embodied in this way has a core with beveled core corners. Compared to a previously known active part, the beveled core corners provide additional installation space for a distribution device.
  • the distribution device is in turn connected to the connection lines which, according to the prior art, extend above the windings.
  • the distribution device otherwise arranged over the windings can be arranged in the area of the beveled core corner, so that the active part is more compact and a shape-complementary configuration of the boiler is supported.
  • the connection lines are preferably insulated round conductors.
  • the active part has several windings, for example four windings, two windings each being arranged concentrically to one another and enclosing a common leg of the core.
  • This is, for example, an inner low-voltage winding and a high-voltage winding surrounding the low-voltage winding.
  • the core expediently has a further leg, which is also enclosed by a low-voltage or high-voltage winding.
  • the two low-voltage and high-voltage windings are connected in series, for example.
  • only the high-voltage windings define the outer contour of the active part.
  • the tank is designed to complement the outer contour of the two high-voltage windings, which are arranged, for example, next to one another, the legs of the two high-voltage windings extending parallel to one another.
  • the inner wall of the boiler follows the outer contour of the outer windings completely.
  • each leg can also be provided within the scope of the invention, each leg being equipped with a low-voltage and high-voltage winding.
  • the tank advantageously forms an inner wall, the dimensions of which are adapted to active part sections with which the active part protrudes beyond the outer contour of the winding or the windings.
  • the boiler at least in its internal configuration, not only clings to the outer contour of the outer windings. Rather, the bowl is also designed in a shape complementary to other sections of the active part, which also define the outer contour of the active part.
  • the core usually has a lower and an upper yoke which extend above and below the end faces of the respective windings.
  • a press frame is usually provided on the upper and lower yoke with which Magnetizable sheets of the core lying flat against one another are pressed against one another.
  • the windings usually define a cylindrical outer contour
  • the remaining outer contour of the active part deviates considerably from this.
  • the shape-complementary adaptation of the boiler to this somewhat more complex outer contour is therefore limited to forming a box-shaped envelope. This means that the design of the boiler does not imitate every screw or every bolt, but rather imitates the entire section with a box-shaped and partially rounded contour.
  • This box-shaped contour then delimits an interior space which enables the said active part sections to be accommodated in a stress-proof manner, but at the same time limits the interior volume of the boiler to a minimum.
  • the tank advantageously forms a hollow-cylindrical central section which is provided to accommodate at least one winding. If the outer contour of the active part is determined in sections by only one winding which has a cylindrical outer contour, the boiler forms a matching hollow cylinder within the scope of the invention, which completely surrounds the winding.
  • the boiler forms a plurality of hollow-cylindrical middle sections, each of which is provided to accommodate at least one winding, the hollow-cylindrical middle sections overlapping one another so that a common interior space is formed.
  • This variant of the invention is used in an active part which has several outer windings aligned in parallel and lying next to one another.
  • each outer winding can be arranged concentrically to an inner winding.
  • Each of these outer windings is arranged in an associated central section of the tank, each individual central section no longer having the outer winding stored in it completely encloses, but merges on one side of the winding into an adjacent central section.
  • the sum of the middle sections completely surrounds all outer windings in a complementary manner.
  • the boiler advantageously has a boiler pan and a boiler cover connected to the boiler pan in an insulating fluid-tight manner.
  • the boiler pan and boiler lid are again designed to be complementary in shape to the outer contour of the outer winding and optionally complementary in shape to the active part sections, 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 railway transformer.
  • the fastening means comprise two fastening bolts which extend in the longitudinal direction of the active part and which extend on the two outer sides of the boiler. Due to the two fastening bolts, the electrical device according to the invention can be reliably and easily mounted on the rail vehicle.
  • the active part expediently extends horizontally in its longitudinal direction, with the tank trough being arranged below the active part and the tank cover above the active part.
  • the electrical device which is designed here as a railway transformer, is installed horizontally on the rail vehicle, with the boiler pan bearing the active part.
  • the active part is fastened to the inner wall of the boiler pan, with the electrical device also being fastened using fastening means which are attached to the boiler pan.
  • the boiler lid is only used for the fluid-tight shielding and closing of the boiler pan, so that a fluid-tight interior space is provided.
  • a liquid whose essential constituent is or are one or more esters is suitable as the insulating fluid.
  • the boiler is advantageously equipped with a lead-through connection panel.
  • the lead-through connection field is used for simple connection of the electrical device according to the invention to external components, such as converters, switches and the like.
  • the tank maintains a minimum distance from the outer contour of the windings and possibly also from the outer contour of sections of the active part with which the active part protrudes over the outer contour of the windings, the minimum distance being in the range of 25-50 mm. It has been shown that, particularly in the case of railway applications with the high voltages occurring here, a distance of 25-50mm is sufficient to ensure the necessary dielectric strength in connection with the insulating fluids available on the market.
  • each connection conductor runs on an outer side of a winding that faces away from each adjacent winding. According to this advantageous further development, the connection conductors therefore no longer run above the windings, so that the need for an additional internal volume in the tank is avoided.
  • the connection lines extend from a winding tap arranged on the outside of the windings along said outside of the winding, which is remote from any other winding.
  • the beveled core corner is formed on this outside, in the vicinity of which the distributor unit is at least partially arranged. If the active part is equipped with two winding arrangements, for example, each outer winding of the winding arrangement has one side, which faces the other parallel winding arrangement.
  • 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 connection lines are led along this outside directly to the distribution device, so that complex and extensive 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 press frame, which is provided for bracing the core with the aid of yoke bolts, the core being firmly attached to the boiler via the yoke bolts.
  • the electrical device provided according to this variant which is designed, for example, as a transformer, in particular a railway transformer, or as a choke, is characterized by a simple attachment between the core and the boiler.
  • the yoke bolts of the press frame which usually only serve to clamp the core sheets, are also used to fasten the core to the boiler.
  • the yoke bolts can in principle be designed as desired within the scope of the invention.
  • the yoke bolts are circular-cylindrical and provided with an external thread at both ends.
  • Through bores are provided in the core through which the yoke bolts extend.
  • Corresponding feed-through openings are also provided in the two press beams of each press frame, which preferably lie opposite one another on the upper or lower yoke, the respective yoke being arranged between them.
  • the yoke bolts extend both through the respective yoke and through the two press beams of the press frame.
  • the sheets of the core can be clamped together by screwing on nuts.
  • said yoke bolts extend into a fastening means firmly connected to the boiler.
  • the fastening means can be designed as a simple threaded plate on the boiler wall.
  • the free end of the yoke bolt is screwed into the threaded plate.
  • the yoke bolt it is of course also possible for the yoke bolt to have several nuts or corresponding screwable holders or components. For example, it is possible that the press frame does not rest on the boiler, but rather an intermediate nut is provided that holds the press frame and thus the entire core at a distance from the bottom of the boiler.
  • the fastening means is a fastening sleeve which is fastened to the inside of the boiler bottom.
  • the fastening sleeve protrudes from the boiler bottom and is equipped, for example, with an internal thread which engages with an external thread of one of the yoke bolts.
  • a clamping unit for generating a clamping force with which each winding is braced on the core, the clamping unit having no traction means and the clamping force generated by the clamping unit being transmitted solely via the core and introduced into each winding.
  • an active part is provided in which the clamping force is introduced into the winding solely via the core and via the tensioning frame firmly connected to the core.
  • Tension means such as tie rods or tension pressure plates, with which a tensioned holding of the winding ends is made possible, have become superfluous within the scope of the invention.
  • a tensile compression plate is to be understood as a flat tensile means running along the core leg.
  • the construction of the active part according to the invention has become simpler. It requires fewer components than an active part according to the prior art and can thus be designed to be more compact, in other words more space-saving, so that the design of the boiler, which is complementary in shape, is made easier becomes. In addition, easier assembly is guaranteed.
  • the core advantageously has at least one core leg which is enclosed by at least one winding and which extends between a lower and an upper yoke, each winding being held braced between the upper and the lower yoke with the aid of a clamping unit.
  • the clamping unit can be designed as desired.
  • hydraulic cylinders have the disadvantage that they have to be regulated during the entire operating time of the active part in order not to introduce a winding pressure into the windings that fluctuates with the temperature of the insulating fluid when the temperature of an insulating fluid in which the active part is arranged changes.
  • the clamping unit is therefore a simple, one-piece clamping block.
  • the clamping block is dimensioned in such a way that it takes up the additional space that arises when the winding is tensioned, e.g. is defined by a press ring resting on the windings and the upper yoke.
  • the winding can therefore be pre-tensioned and then the clamping block can be positioned between the core and the press ring.
  • the clamping block prevents the windings from relaxing any further and ensures that the windings remain tensioned.
  • the clamping block is, for example, a simple solid solid which consists of an electrically non-conductive and non-magnetizable material, for example a diamagnetic material, an insulating material made of plastic, wood or the like.
  • Magnetizable materials are to be understood here as meaning ferromagnetic materials.
  • the clamping unit comprises clamping wedges which lie against one another and can be displaced against one another and which are equipped with locking means which enable the clamping wedges to be fixed in relation to one another in a desired clamping position.
  • the dimensions of the clamping unit can be adapted to the space created when the windings are clamped, which is created between the core or the clamping frame and the winding ring resting on the winding. For example, the clamping force is first introduced into the winding via a hydraulic system and then the clamping unit is inserted into the space delimited between the winding ring and the clamping frame or the upper or lower yoke.
  • the clamping wedges are first shifted against one another in such a way that the clamping unit can be inserted into the said gap with sufficient play and thus comfortably. Then the wedges are shifted against each other in such a way that the clamping unit enlarges and finally fills the entire space. In this position of the clamping wedges, that is to say in this clamping position, the clamping wedges are fixed with the aid of the locking means. The hydraulic means can then be removed, with the locked clamping wedges clamping the windings on the core or clamping frame and holding them in the clamped position.
  • FIG 1 shows a boiler pan 1 of a previously known boiler, which is designed cuboid, its two lower longitudinal edges 2 and 3 are beveled.
  • fastening arms 4 are provided which are each equipped with fastening means 5.
  • An oil drain 6 can also be seen on the boiler pan 1.
  • the boiler pan 1 has a fastening flange 7 which is used for the fluid-tight fastening of a boiler cover (not shown in the figure).
  • the boiler trough 1 shown is designed to accommodate an active part of a railway transformer, the active part being attached to the inside of the trough bottom 8.
  • the active part has a core with two core legs, each of which is enclosed by two concentrically arranged windings. On the side facing each other, the windings form what is known as a gusset.
  • the active part is fastened in the boiler 1 in a horizontal position. In other words, the windings extend in their longitudinal direction parallel to the tub bottom, so that an elevation 9 provided in the tub bottom runs essentially in the direction of said gusset, which is delimited by the two outer windings.
  • FIG. 2 shows an embodiment of the electrical device 21 according to the invention, but only the outer boiler 10 can be seen.
  • the boiler 10 is composed of a boiler pan 11 and a boiler cover 12.
  • both the boiler pan 11 and the boiler cover 12 each form a flange 13 between them a sealant can be jammed, so that a fluid-tight oil space is provided within the boiler 10.
  • the boiler 10 is configured to be round in sections, with two hollow-cylindrical central sections 14 and 15 being configured.
  • a winding unit extends in each of these hollow, cylindrical middle sections 14, 15.
  • a winding unit comprises two concentrically arranged windings, an outer high-voltage winding and an inner low-voltage winding. Both windings enclose one leg of the core.
  • the high-voltage windings are at a distance of 30 mm from the inner wall of the central section 14 or 15. In this way, a design of the boiler 10 that is completely complementary in shape to the outer contour of the windings is provided.
  • the tank has box-shaped sections 16 and 17 at one end of each of the middle sections 14 and 15, which are adapted to the outer contour of the active part, with which the active part projects outwardly beyond the outer contour of the windings.
  • the upper and lower yokes including the press frame of the active part are arranged within the box-shaped sections 16 and 17, the box-shaped sections 16 and 17 nestling against the outer contour of the active part in this area while maintaining the necessary minimum distance.
  • the boiler pan 11 is equipped with fastening bolts 18 with which the boiler 10 and thus the entire electrical device 21 can be easily fastened to a rail vehicle.
  • a lead-through connection field 19 can also be seen, in which sockets 20 arranged next to one another are provided. Cable plugs can be inserted into the sockets 20 so that a simple and quick flexible connection of the electrical device 21 according to the invention is made possible.
  • the electrical device 21 Due to the complementary shape of the boiler 10, the electrical device 21 is more compact and requires less ester than a previously known electrical device with a cuboid boiler, which is shown in Figure 1 is shown. According to the invention, an inexpensive, lightweight, quickly assembled electrical device is therefore provided within the scope of the invention.
  • FIG Figure 3 shows the active part 22 of the electrical device 21 according to FIG Figure 2 comprising a core 23.
  • the core 23 has two outer legs 24, each of which is enclosed by two concentric windings.
  • the legs 24 are connected to one another by an upper yoke 29 and a lower yoke (not shown in the figures) so that a closed iron circle is created.
  • the core 23 is again composed of sheet metal 27 lying flat against one another and made of a magnetizable material, here iron, the sheets 27 being braced to one another by a lower and an upper press frame 28, not shown in the figures.
  • the upper press frame 28 like the lower press frame, consists of two pressed parts 28a and 28b which are arranged on both sides of the upper yoke 29 and which are mechanically connected to one another via yoke bolts 30.
  • the non-magnetic yoke bolts 30 extend through the upper yoke 29, with nuts 33 being provided on both end sides to generate the clamping force. Deviating from this, the yoke bolts 30 can serve to fasten the core 23 to the boiler pan 11.
  • each outer leg 24 with the upper yoke 29 forms a beveled core corner 31 which, due to the lack of "half-corners", each provide additional installation space.
  • the outer contour of the upper yoke 29 forms an inner angle of approximately 135 degrees with the outer contour of a bevel 32.
  • the same applies to the angle in the cross-sectional view is spanned by the outer contour of the bevel 32 and the outer contour of the outer leg 24, the inner angle being spoken here in each case.
  • each pressing part 28a, 28b has a clamping beam 41a and 41b, which each rest on one side of the upper 29 or lower yoke.
  • each clamping bar 41a or 41b A horizontal section 42a and 42b extending at right angles to this is provided on each clamping bar 41a or 41b, with which the upper clamping frame 28 and the lower clamping frame, not shown in the figure, protrude beyond the end face of the winding units 25 and 26.
  • the winding units 25 and 26 respectively comprise two concentrically arranged windings which each enclose a limb 24 or limb 24 of the core 23.
  • a winding superstructure 43 and a 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, can be seen between the end face of the winding unit 25 or 26.
  • through-bores 45 can be seen as recesses through which plungers of a hydraulic power unit can be inserted in order to introduce a winding clamping force into the windings of the winding units 25 and 26, respectively.
  • the clamping unit 44 has two clamping wedges that rest against one another with their inclined wedge sides, which when they are shifted against one another Enlarge or reduce the clamping unit 44.
  • the clamping wedges are shifted in such a way that the space between the horizon sections 42a and 42b and the winding superstructure 43 is completely filled by the clamping unit 44.
  • the clamping unit 44 also has locking means, not shown in the figures, in order to fix the clamping wedges in the desired clamping position.
  • the hydraulic power unit can then be removed, with the clamping unit 44 holding the windings of the winding units 24 and 26 in the clamped position.
  • Figure 4 shows the head area of the active part 22 according to FIG Figure 3 in a top view.
  • the beveled core corners 31 can also be seen here.
  • the outer contour of the core 22 without beveled core corners 31 is illustrated with the aid of the dashed lines 34.
  • the dashed line 34 therefore illustrates the installation space gained by the beveling of the corners, that is to say the missing neck basins.
  • a distribution unit designed as a distribution strip 35 is arranged in each case in this area.
  • Each distribution strip 35 extends in a longitudinal direction, each distribution strip 35 having cable connections 20 arranged next to one another.
  • the cable connections 36 are designed here as cable lugs which are electrically connected to the distributor ends 11 of the connection conductors 38, which are designed here as insulated round conductors.
  • connection conductors 38 again have a winding end (not shown in the figures), 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 is connected to a cable socket 40 as a feed-through system on their side facing away from the respective cable connection 36.
  • each cable socket 40 is arranged in the boiler wall and is therefore accessible from the outside so that the respective winding tap can be connected to an external component by inserting a cable plug into the cable socket 40.

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

Claims (14)

  1. Appareil (21) électrique pour la connexion à une haute tension
    - comprenant une partie (22) active, qui a un noyau (23) magnétisable et au moins un enroulement (25, 26), conçu pour produire un flux magnétique dans le noyau (23), et
    - comprenant un bac (10), qui peut être rempli d'un fluide isolant et dans lequel est disposé la partie (22) active, la bac (10) constituant une paroi intérieure, constituée en étant de forme complémentaire du contour extérieur de l'enroulement ou des enroulements (25, 26),
    caractérisé en ce que
    l'appareil (21) électrique comprend des lignes (38) de connexion et un dispositif (35) répartiteur, les lignes de connexion étant reliées chacune, à leur extrémité d'enroulement, à un dit enroulement (25, 26) et, à leur extrémité (37) de répartiteur, au dispositif (35) répartiteur, le noyau (23) constituant au moins un coin (31) de noyau biseauté et le dispositif (35) répartiteur étant disposé dans la région du coin (31) du noyau biseauté.
  2. Appareil (21) électrique suivant la revendication 1,
    caractérisé en ce que
    le bac (10) constitue une paroi intérieure, dont le dimensionnement est adapté aux sections de la partie active de manière à les entourer, par lesquelles la partie (22) active dépasse du contour extérieur de l'enroulement ou des enroulements (25, 26).
  3. Appareil (21) électrique suivant l'une des revendications précédentes,
    caractérisé en ce que
    le bac (10) constitue une partie (14, 15) médiane cylindrique creuse, qui est prévue pour la réception d'au moins un dit enroulement (25, 26).
  4. Appareil (21) électrique suivant l'une des revendications précédentes,
    caractérisé en ce que le bac (10) constitue plusieurs parties (14, 15) médianes cylindriques creuses, qui sont prévues chacune pour la réception d'au moins un enroulement (25, 26),
    les parties (14, 15) médianes cylindriques creuses se chevauchant l'une l'autre, de manière à constituer un espace intérieur commun.
  5. Appareil (21) électrique suivant l'une des revendications précédentes,
    caractérisé en ce que
    le bac (10) comprend une cuvette (11) de bac et un couvercle (12) de bac relié, d'une manière étanche à un fluide isolant, à la cuvette (1) de bac.
  6. Appareil (21) électrique suivant l'une des revendications précédentes,
    caractérisé en ce que
    le bac (10) a des moyens (18) de fixation pour la fixation de l'appareil (21) électrique à un véhicule guidé sur rail.
  7. Appareil (21) électrique suivant la revendication 6,
    caractérisé en ce que
    les moyens (18) de fixation comprennent deux axes de fixation, qui s'étendent dans la direction longitudinale de la partie active et qui s'étendent sur les côtés extérieurs du bac (10).
  8. Appareil (21) électrique suivant l'une des revendications précédentes,
    caractérisé en ce que
    le bac (10) est équipé d'un panneau (19) de bornes de traversée.
  9. Appareil (21) électrique suivant l'une des revendications précédentes,
    caractérisé en ce que
    la paroi intérieure du bac (10) est disposée à une distance de 25 à 50 mm du contour extérieur des enroulements.
  10. Appareil (21) électrique suivant l'une des revendications précédentes,
    caractérisé en ce que
    les conducteurs (38) de connexion s'étendent sur un côté extérieur d'un dit enroulement (25, 26), qui est loin de chaque dit enroulement (25, 26) voisin.
  11. Appareil (21) électrique suivant l'une des revendications précédentes,
    caractérisé en ce que
    l'appareil (21) électrique comprend au moins un cadre (28) d'application d'une pression, qui est prévu pour bloquer le noyau (23) à l'aide de boulons (30) de culasse.
  12. Appareil (21) électrique suivant la revendication 11,
    caractérisé en ce que
    l'appareil (21) électrique comprend une unité (44) de serrage pour la production d'une force de serrage, par laquelle chaque enroulement (25, 26) est bloqué sur le noyau (23), l'unité (44) de serrage ayant un moyen de traction et la force de serrage produite par l'unité (44) de serrage étant transmise seulement par le noyau (23) et étant appliquée à chaque enroulement (25, 26).
  13. Appareil (21) électrique suivant la revendication 12,
    caractérisé en ce que
    l'unité (44) de serrage est un bloc de serrage d'une seule pièce.
  14. Appareil (21) électrique suivant la revendication 12,
    caractérisé en ce que
    l'unité (44) de serrage comprend des coins de serrage s'appliquant l'un à l'autre, qui sont équipés de moyens d'arrêt, qui rendent possible une fixation mutuelle des coins de serrage dans une position souhaitée.
EP18710397.3A 2017-04-04 2018-03-05 Dispositif électrique avec une réservoir d'une forme complémentaire à la partie active Active EP3577664B1 (fr)

Priority Applications (1)

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

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

Publications (2)

Publication Number Publication Date
EP3577664A1 EP3577664A1 (fr) 2019-12-11
EP3577664B1 true EP3577664B1 (fr) 2020-12-16

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ID=61622552

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EP18710397.3A Active EP3577664B1 (fr) 2017-04-04 2018-03-05 Dispositif électrique avec une réservoir d'une forme complémentaire à la partie active

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

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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
EP4150651A1 (fr) * 2020-06-19 2023-03-22 Siemens Energy Global GmbH & Co. KG Appareil électrique à découplage mécanique entre la partie active et la chaudière
WO2021254641A1 (fr) * 2020-06-19 2021-12-23 Siemens Aktiengesellschaft Appareil électrique comprenant une chaudière ayant une forme complémentaire de la partie active
WO2022017609A1 (fr) 2020-07-23 2022-01-27 Siemens Aktiengesellschaft Dispositif électrique à refroidissement direct forcé

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Also Published As

Publication number Publication date
CN110462762B (zh) 2022-07-01
WO2018184775A1 (fr) 2018-10-11
PL3577664T3 (pl) 2021-06-28
EP3577664A1 (fr) 2019-12-11
DE102017205752A1 (de) 2018-10-04
CN110462762A (zh) 2019-11-15

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