Abstract
A dry transformer to be mounted on or under or in a vessel or means of transportation, in particular a rail car or power car of a train or a ship, includes at least one core and at least one winding. The winding surrounds the core and the core and the winding are parts of a coil. The coil and/or the core and/or the winding are mechanically connected to an outer support structure by at least one strut. The transformer is able to master the required typical dynamic loads in at least one direction in transportation applications, such as railway applications.
Claims
1. A dry transformer to install on or under or in a vessel or a means of transportation, in particular a rail car or power car of a train or a ship, comprising at least one core and at least one winding, wherein the winding surrounds the core and wherein the core and the winding are parts of a coil, wherein the coil and/or the core and/or the winding are mechanically connected to an outer support structure by at least one strut; wherein the strut comprises at least one plate which has at least one opening or at least one recess, which at least partially surrounds the coil and/or an outer winding of the coil and/or the core; and wherein the strut comprises two plates at one longitudinal end of the coil and comprises two plates at the other longitudinal end of the coil.
2. A dry transformer according to claim 1, wherein the strut is made of an electrically insulating material or that the strut comprises an electrically insulating material.
3-4. (canceled)
5. A dry transformer according to claim 1, wherein the strut is comb-shaped and/or the strut at least partially extends in a direction, which is parallel to the longitudinal extension of the core.
6. A dry transformer according to claim 5, wherein the strut is comb-shaped at one longitudinal end of the coil and that the strut is comb-shaped at the other longitudinal end of the coil.
7. A dry transformer according to claim 1, wherein the strut at one of its ends is connected with the coil or the winding on at least one outer side of the coil or the winding and that the strut is connected at its other end with the outer support structure.
8. A dry transformer according to claim 7, wherein the strut protrudes with one first leg from one side of the coil or the winding and protrudes with one second leg from another side of the coil or the winding, wherein the directions of protruding of the legs are perpendicular to each other.
9. A dry transformer according to claim 1, wherein the winding is wound directly onto the core.
10. A dry transformer according to claim 1, wherein the winding is connected with the core and/or the winding is wedged to the core.
11. A dry transformer according to claim 1, wherein several coils and/or windings and/or cores are arranged in parallel to each other and in parallel to a horizontally oriented plane.
12. A dry transformer according to claim 1, wherein several coils and/or windings and/or cores are arranged in parallel to each other and perpendicularly to a horizontally oriented plane.
13. An arrangement, comprising a transformer according to claim 1 and a vessel or means of transportation, in particular a rail car or a power car of a train or a ship, wherein the vessel or means of transportation comprises a ground plane which is arranged almost horizontally, in particular the rail car or power car, comprises a ground plane which is arranged parallel to the rails, when the rail car or power car is on the rails, and wherein the coil and/or the winding and/or the core is/are oriented in parallel to the ground plane.
14. An arrangement, comprising a transformer according to claim 1 and a vessel or means of transportation, in particular a rail car or a power car of a train or a ship, wherein the vessel or means of transportation comprises a ground plane which is arranged almost horizontally, in particular the rail car or power car comprises a ground plane which is arranged in parallel to the rails, when the rail car or power car is on the rails, and wherein the coil and/or the winding and/or the core is/are oriented perpendicularly to the ground plane.
15. An arrangement according to claim 13, wherein the outer support structure is connected to the vessel or means of transportation, in particular to the rail car or power car or ship, in a fixed manner and/or that the outer support structure fixes at least one coil in three directions, namely in x-direction, in y-direction and in z-direction.
16. A transformer, comprising: a core; and a winding that surrounds the core, wherein the core and the winding comprise parts of a coil; wherein the coil is mechanically connected to an outer support structure by a strut that comprises two plates at a first longitudinal end of the coil and two plates at a second longitudinal end of the coil opposite the first longitudinal end of the coil; wherein at least one of the plates comprises an opening that at least partially surrounds the coil and/or an outer winding of the coil and/or the core.
17. A transformer according to claim 16, wherein the strut comprises an electrically insulating material.
18. A transformer according to claim 16, wherein the strut at least partially extends in a direction parallel to a longitudinal extension of the core.
19. A transformer according to claim 16, wherein the strut is connected at a first end with the coil or the winding on an outer side of the coil or the winding and the strut is connected at a second end with the outer support structure.
20. A transformer according to claim 19, wherein the strut protrudes with one first leg from one side of the coil or the winding and protrudes with one second leg from another side of the coil or the winding, wherein the directions of protruding of the legs are perpendicular to each other.
Description
[0026] In the drawings:
[0027] FIG. 1 shows a side and a front view of horizontally arranged coils, which are connected with an outer support structure by plates,
[0028] FIG. 2 shows horizontally arranged coils comprising two plates at each longitudinal end of the coils,
[0029] FIG. 3 shows horizontally arranged coils with comb-shaped struts, which engage at each longitudinal end of the coils, wherein the struts are connected to an outer support structure,
[0030] FIG. 4 shows side views of horizontally arranged coils with several different strut structures,
[0031] FIG. 5 shows a front view of horizontally arranged coils with struts, wherein in the upper view struts are directed from the coils to a ground and wherein in the lower view one first leg of a strut is directed to the ground and one second leg of the strut is directed perpendicularly to the first strut,
[0032] FIG. 6 shows vertically arranged coils with two plates at each longitudinal end of the coils,
[0033] FIG. 7 shows vertically arranged coils with comb-shaped struta, which are connected to an outer support structure,
[0034] FIG. 8 shows side views of vertically arranged coils with several strut structures, and
[0035] FIG. 9 shows a top view of vertically arranged coils with struts, wherein in the left and the right view struts are directed from the coil to sides, which are parallel to the longitudinal extension of the coils.
[0036] FIG. 1 in the left view shows a dry transformer to install on or under or in a rail car 8 or power car of a train. The transformer comprises at least one core 1 and at least one winding 2, wherein the winding 2 surrounds the core 1 and wherein the core 1 and the winding 2 are parts of a coil 3.
[0037] The coil 3 and the core 1 and the winding 2 are mechanically connected to an outer support structure 4 by at least one strut 5a.
[0038] The strut 5a is made of an electrically insulating material. FIG. 1 in the right view shows that the strut 5a comprises at least one plate, which has at least one opening 6 or at least one recess, which at least partially surrounds the coil 3 and the outer winding 2 of the coil 3. The embodiment of FIG. 1 shows that several, namely two, coils 3 and windings 2 and cores 1 are arranged in parallel to each other and in parallel to a horizontally oriented plane 7.
[0039] The left view of FIG. 1 insofar shows an arrangement, comprising a transformer and a rail car 8 or a power car of a train, wherein the rail car 8 or power car comprises a ground plane 9, which is parallel to the rails, when the rail car 8 or power car is on the rails, and wherein the longitudinal extensions of the coil 3 and of the winding 2 and of the core 1 are oriented in parallel to the ground plane 9. The support structure 4 is connected to the rail car 8 or power car in a fixed manner.
[0040] FIG. 2 shows, that a strut 5b comprises two plates at one longitudinal end of a coil 3 and comprises two plates at the other longitudinal end of the coil 3.
[0041] FIGS. 1 and 2 show, that two coils 3 are fixed by means of insulation material to an outer support structure 4. Forces are received or absorbed in y-z-direction, this is best shown in the right view of FIG. 1.
[0042] FIG. 3 shows, that a strut 5c is comb-shaped and that the strut 5c at least partially extends in a direction, which is parallel to the extension of the core 1. The strut 5c is comb-shaped at one longitudinal end of the coil 3 and the strut 5c is comb-shaped at the other longitudinal end of the coil 3. FIG. 3 shows that a support structure 4 is used to fix the coils 3 in x-direction.
[0043] FIG. 4 shows in the upper view, that a strut 5d at one of its ends is connected with the coil 3 or the winding 2 on at least one outer side of the coil 3 or the winding 2 and that the strut 5d is connected at its other end with the outer support structure 4. The strut 5d comprises four legs, wherein two legs at each longitudinal end of the coil 3 protrude in the direction of the outer support structure 4 and are parallel to the longitudinal extension of the core 1 and of the coil 3.
[0044] FIG. 4 shows in the middle view, that a strut 5e at one of its ends is connected with the coil 3 or the winding 2 on at least one outer side of the coil 3 or the winding 2 and that the strut 5e is connected at its other end with the outer support structure 4. The strut 5e comprises only one leg, which is directed to the horizontally oriented plane 7.
[0045] FIG. 4 shows in the lower view, that a strut 5f at one of its ends is connected with the coil 3 or the winding 2 on at least one outer side of the coil 3 or the winding 2 and that the strut 5f is connected at its other end with the outer support structure 4. The strut 5f comprises two legs which are directed to the horizontally oriented plane 7.
[0046] The coils 3 of FIG. 4 are oriented in parallel to the horizontally oriented plane 7.
[0047] FIG. 5 shows in the upper view, that the strut 5f at one of its ends is connected with the coil 3 or the winding 2 on at least one outer side of the coil 3 or the winding 2 and that the strut 5f is connected at its other end with the outer support structure 4. The strut 5f comprises two legs which are directed to the horizontally oriented plane 7. Two coils 3 are arranged parallel to each other.
[0048] FIG. 5 shows in the lower view, that the strut 5g protrudes with one first leg from one side of the coil 3 or the winding 2 and protrudes with one second leg from another side of the coil 3 or the winding 2, wherein the directions of protruding of the legs are perpendicular to each other. The first leg protrudes in the direction of the horizontally oriented plane 7. The second leg protrudes in a direction to a side of the support structure 4, which is arranged perpendicularly to the horizontally oriented plane 7.
[0049] FIGS. 4 and 5 show that outer support structures 4 are connected to one or more sides of one or more coils 3. FIGS. 1 to 5 show that a winding 2 is connected with the core 1.
[0050] FIGS. 6 to 9 show, that the longitudinal extensions of several coils 3 and of windings 2 and of cores 1 are arranged in parallel to each other and perpendicularly to a horizontally oriented plane 7.
[0051] FIG. 6 insofar shows an arrangement, comprising a transformer and a rail car 8 or a power car of a train, wherein the rail car 8 or power car comprises a ground plane 9, which is parallel to the rails, when the rail car 8 or power car is on the rails, and wherein the longitudinal extensions of the coil 3 and of the winding 2 and of the core 1 are oriented perpendicularly to the ground plane 9.
[0052] FIG. 6 shows, that the strut 5b comprises two plates at one longitudinal end of the coil 3 and comprises two plates at the other longitudinal end of the coil 3. FIG. 6 shows that a coil 3 is attached by means of insulation material to an outer support structure 4. Stresses are received or absorbed in x-y-z direction.
[0053] FIG. 7 shows, that the strut 5c is comb-shaped and that the strut 5c at least partially extends in a direction, which is parallel to the extension of the core 1. The strut 5c is comb-shaped at one longitudinal end of the coil 3 and the strut 5c is comb-shaped at the other longitudinal end of the coil 3. FIG. 7 shows that an outer support structure 4 is used to fix the coils 3 in x-y-z direction.
[0054] FIG. 8 shows in the left view, that the strut 5d at one of its ends is connected with the coil 3 or the winding 2 on at least one outer side of the coil 3 or the winding 2 and that the strut 5d is connected at its other end with the outer support structure 4. The strut 5d comprises four legs, wherein two legs at each longitudinal end of the coil 3 protrude in the direction of the outer support structure 4 and are parallel to the longitudinal extension of the core 1. The legs at the bottom rest on the horizontally oriented plane 7.
[0055] FIG. 8 shows in the middle view, that the strut 5e at one of its ends is connected with the coil 3 or the winding 2 on at least one outer side of the coil 3 or the winding 2 and that the strut 5e is connected at its other end with the outer support structure 4. The strut 5e comprises only one leg, which is directed to a vertically oriented plane, which is perpendicular to the horizontally oriented plane 7.
[0056] FIG. 8 shows in the right view, that the strut 5f at one of its ends is connected with the coil 3 or the winding 2 on at least one outer side of the coil 3 or the winding 2 and that the strut 5f is connected at its other end with the outer support structure 4. The strut 5f comprises two legs, which are directed to a vertically oriented plane, which is perpendicular to the horizontally oriented plane 7.
[0057] FIG. 9 shows in the left view, that the strut 5f at one of its ends is connected with the coil 3 or the winding 2 on at least one outer side of the coil 3 or the winding 2 and that the strut 5f is connected at its other end with the outer support structure 4. The strut 5f comprises two legs, which are directed to a vertically oriented plane, which is perpendicular to the horizontally oriented plane 7. Two vertically arranged coils 3 are arranged in parallel to each other.
[0058] FIG. 9 shows in the right view, that the strut 5e protrudes from one side of the coil 3 or the winding 2 and rests on a first vertical plane, which is perpendicular to the horizontally oriented plane 7. Another strut 5e protrudes from one side of another coil 3 or the winding 2 and rests on another vertical plane, which is parallel to the first vertical plane and also perpendicular to the horizontally oriented plane 7. Two coils 3 are arranged vertically. The struts 5e protrude in opposite directions from the coils 3.
[0059] FIGS. 8 and 9 show that an outer support structure 4 is connected to one or more sides of one or more coils 3.
[0060] In this description two coils 3, two windings 2 or two cores 1 are arranged in parallel to each other and/or to a plane, if the longitudinal extensions of the coils 3, of the windings 2 or of the cores 1 are arranged in parallel to each other and/or to a plane.
[0061] In this description two coils 3, two windings 2 or two cores 1 are arranged in parallel to each other and perpendicurlarly to a plane, if the longitudinal extensions of the coils 3, of the windings 2 or of the cores 1 are arranged in parallel to each other and perpendicularly to a plane.
REFERENCE NUMBERS
[0062] 1 Core [0063] 2 Winding [0064] 3 Coil [0065] 4 Outer support structure [0066] 5a-f Strut [0067] 6 Opening or recess [0068] 7 Horizontal plane [0069] 9 Rail car or power car
