EP3577665A1 - Aktivteil für ein elektrisches hochspannungsgerät - Google Patents
Aktivteil für ein elektrisches hochspannungsgerätInfo
- Publication number
- EP3577665A1 EP3577665A1 EP18711041.6A EP18711041A EP3577665A1 EP 3577665 A1 EP3577665 A1 EP 3577665A1 EP 18711041 A EP18711041 A EP 18711041A EP 3577665 A1 EP3577665 A1 EP 3577665A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- core
- active part
- winding
- distributor
- corner
- 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.)
- Granted
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
- H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- 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 active part for a high-voltage electric device with a magnetizable core, Wenig ⁇ least one winding is held on the core for generating a magnetic flux in the core and connection lines connected at their respective winding end of a winding and, at its Distributing a distribution device are connected.
- Such active part is the expert from practice ⁇ be known.
- web transformers have Aktivtei ⁇ le, which are equipped with connection cables to connect the windings of the active part expediently with external components.
- the connection lines are designed as cables and extend from the respective winding tap to a distributor of the active part.
- the connection lines are laid inside a boiler filled with an insulating fluid and run above the windings.
- For connection to the distribution device all connection lines are brought together above the core yoke and connected there to the distribution device.
- the previously known active part has the disadvantage that, on account of the arrangement of the connection lines above the windings, the boiler must be designed to take up space for receiving the active part. Particularly in railway operations, the available installation space for electrical overall are sorted ⁇ but councils limited.
- the object of the invention is therefore to provide an active part of the type mentioned, which is compact, lightweight and easy to install at the same time.
- the invention achieves this object in that the core at least ⁇ forms a chamfered corner and the core Distributor is arranged in the region of the chamfered corner of the nucleus.
- the active part according to the invention has a core with bevelled core corners.
- the beveled core corners provide an additional space for the distribution device in comparison to a previously known active part.
- the distribution device which is otherwise arranged above the windings, can be arranged in the region of the chamfered corner of the core, so that the active part according to the invention has a more compact design and can thus be arranged in a smaller vessel.
- the composed of the active part according to the invention and a boiler arranged thereon high-voltage device is therefore also more compact and lighter than a high-voltage device according to the prior art.
- the high voltage electrical equipment is a traction transformer, the longitudinal direction of the windings of the traction transformer extending in the installed position in a horizontal.
- the windings of the active part are in the boiler.
- magnetizable materials are meant ferromagnetic materials, such as iron.
- the core forms an upper and lower yoke and at least one outer core legs of which extends between the upper and the lower yoke, the upper yoke WO at each outer core leg and, for example together ⁇ men form a bevelled corner core.
- the outer core leg and the respective yoke form a corner, which is rectangular in cross-sectional view.
- this core corner is chamfered, wherein, for example, two inner angles are spanned by the bevel instead of a 90 degree inner angle between the outer side of the yoke and the outer core leg in a cross-sectional view. That's how it works upper yoke and a straight bevel with respect to their common upper intersection in the
- Cross-sectional view of an inner angle of 135 degrees, said chamfer and the outer contour of the core leg with respect to their intersection in cross-sectional view also form an angle of 135 degrees.
- Above the bevel an additional space is provided, which is used in the invention for winding connection.
- two outer core legs are provided.
- two or four additional installation spaces are provided, so that the distribution device can be divided into two or four additional installation spaces.
- the distributor device consists of two parts which are each assigned to a winding arrangement.
- the coil assembly comprises for example two concentrically arranged ⁇ windings through which one of the outer core leg extends.
- each outer core leg is concentrically enclosed by two windings.
- a transformer is provided which has no winding-free return legs.
- connection conductors are designed as insulated round conductors which have an inner current conductor, which is enclosed by an outer cable insulation.
- the cable insulation ensures increased dielectric strength of the connecting lines so that they are close to the turns of the respective weighing cables. can be relocated.
- an insulated round conductor also cables in the context of the invention come into consideration.
- connection conductors extend on an outer side of the outer winding, which faces away from each adjacent winding.
- the connecting conductors therefore no longer extend above the windings according to this advantageous development, so that the requirement of an additional internal volume in the cage is avoided.
- connection lines extend from a winding tap arranged on the outside of the winding on the said outer side of the winding, which faces away from any other winding.
- the distribution unit is arranged at least partially in ⁇ its surroundings. Is the active part Example ⁇ example with two winding assemblies equipped, each outer winding of the coil assembly on a side facing the other parallel coil arrangement.
- the winding arrangement also forms a side facing away from the other winding arrangement side, which is referred to here as the outside of the winding or winding arrangement.
- the connecting cables are routed along this outer side directly to the distributor so that a complex and expansive cable collection is avoided.
- the taps of the windings are also arranged on the outside.
- the core is composed of magnetizable metal sheets, which lie flat against one another. When the sheets are before ⁇ Trains t to iron plates which are insulated from one another, so that eddy current losses are reduced.
- the distribution device is designed as a distribution strip manufactured by ⁇ det, which extends in a longitudinal direction, wherein the Distribution bar has a plurality of adjacent cable connections, which are each connected to the distribution end of a connection ⁇ line.
- the distribution strip extends in a length adapted to the installation space provided by the bevelled corner, so that the distribution strip can be installed in the area of the bevelled corner on the active part.
- the distribution board allows a clear connection of the active part.
- the cable connections are on their side facing away from the connection conductor side in each case electrically connected to a busbar ver ⁇ connected, which is connected at its end facing away from the distribution unit end to a feedthrough system.
- the implementation system advantageously extends through the
- FIG. 1 schematically illustrates an active part according to the prior art in a perspective view
- FIG. 2 illustrates an embodiment of an inventive ⁇ SEN active part in a perspective partial view without connecting line
- FIG. 3 schematically shows the active part according to FIG. 2 with distribution strip and feedthrough system.
- Figure 1 shows an embodiment of an active part according to the prior art.
- the active part 1 shown has a core 2, which has an upper yoke 3 and a lower yoke, not shown in the figure. Between the upper yoke 3 and the lower yoke two core legs extend 4.
- the core 2 is composed of magnetizable iron sheets, which are joined anlie ⁇ gen with their flat sides and clamped together by an upper press frame 5 and a lower press frame. 6
- Each core leg 4 is surrounded by two concentrically arranged windings, of which in the figure shown only the outer high-voltage windings 7 and 8 can be seen.
- the low-voltage windings are each arranged in the interior of the high-voltage windings 7, 8.
- connecting lines 9 are provided, each having a winding end 10 and a distributor end 11.
- each connecting line 9 is connected to a tap of a winding, for example the high-voltage winding 7.
- a distribution device 12 which here consists of a plurality of cable sockets 12.
- a cable plug is inserted ⁇ and thus the winding, as desired, are connected to an external component.
- the external component is, for example, an inverter, a switch or the like.
- FIG. 2 shows an exemplary embodiment of the active part 1 according to the invention, which again comprises a core 2.
- the core 2 has two outer legs 4, which are each enclosed by two concentrically arranged windings. Of the windings only the outer winding, the high-voltage winding 7, 8 can be seen in each case.
- the core 2 is again composed of sheet metal 13, which adjoins one another in a planar manner, of a magnetizable material, in this case iron, wherein the metal sheets 13 are clamped together by a lower and an upper press frame 5, not shown in the figures.
- the upper press frame 5, like the lower press ⁇ frame of two on both sides of the upper yoke 3 arranged Pressed parts 5a and 5b, which are mechanically connected to each other via yoke bolts 14.
- the non-magnetic yoke bolts 14 thereby extend through the upper yoke 3, wherein nuts 15 are provided on both end sides for generating the clamping force.
- each outer limb 4 forms a chamfered corner 16 with the upper yoke 3, which in each case provide additional space due to the lack of "half-corners.”
- the outer contour of the upper yoke 3 with the outer contour of the chamfer 17 has an inner angle of approximately 135 degrees, and the same applies to the angle which is spanned in the cross-sectional view by the outer contour of the chamfer 17 and the outer contour of the outer leg 4 the same is each spoke of the êtwin ⁇ kel. applies to the tapered core corner 16 on the left in figure 2 side.
- Figure 3 shows the head region of the active part 1 according to Figure 2 in a plan view.
- each distribution strip 19 extends in a longitudinal direction
- Distributor 19 has juxtaposed cable terminals 20.
- the cable connections 20 are designed here as cable lugs, which are electrically connected to the distribution ends 11 of the connecting conductors 9, which are designed here as insulated round ⁇ conductor.
- the connecting conductors 9 also have, in turn, a winding end, not shown in the figure, with which they are electrically connected to a tap of an associated winding.
- the cable connections 20 are each connected to a busbar 21, which in turn rum on their side facing away from the respective cable connection 20 side to a cable socket 22 as a feedthrough system are ⁇ closed.
- the cable socket 22 are arranged after installation of the active part 1 in a boiler in the boiler wall and accessible from the outside, so that by inserting a cable connector into the cable socket 22, the respective winding tap can be connected to an external component.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017205749.1A DE102017205749A1 (de) | 2017-04-04 | 2017-04-04 | Aktivteil für ein elektrisches Hochspannungsgerät |
| PCT/EP2018/055313 WO2018184777A1 (de) | 2017-04-04 | 2018-03-05 | Aktivteil für ein elektrisches hochspannungsgerät |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3577665A1 true EP3577665A1 (de) | 2019-12-11 |
| EP3577665B1 EP3577665B1 (de) | 2022-06-15 |
Family
ID=61628316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18711041.6A Active EP3577665B1 (de) | 2017-04-04 | 2018-03-05 | Aktivteil für ein elektrisches hochspannungsgerät |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3577665B1 (de) |
| CN (1) | CN110462763B (de) |
| DE (1) | DE102017205749A1 (de) |
| PL (1) | PL3577665T3 (de) |
| WO (1) | WO2018184777A1 (de) |
Families Citing this family (1)
| 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 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61174704A (ja) * | 1985-01-30 | 1986-08-06 | Toshiba Corp | 3相ガス絶縁変圧器 |
| US5461772A (en) * | 1993-03-17 | 1995-10-31 | Square D Company | Method of manufacturing a strip wound coil to reinforce edge layer insulation |
| DE202010018206U1 (de) * | 2010-03-24 | 2014-10-27 | Johann Lasslop Gmbh | Drossel |
| JP5749503B2 (ja) * | 2011-01-27 | 2015-07-15 | 株式会社タムラ製作所 | コア固定具及びコイル装置 |
| CN202230862U (zh) * | 2011-08-23 | 2012-05-23 | 常熟开关制造有限公司(原常熟开关厂) | 一种剩余电流互感器 |
| TWM428475U (en) * | 2011-09-23 | 2012-05-01 | Yujing Technology Co Ltd | Biaxial core and transformer structure consisting of the same |
| DE202014000579U1 (de) * | 2014-01-24 | 2014-02-20 | Kendrion Kuhnke Automation Gmbh | Elektromagnet und elektromagnetisches System |
| CN204010978U (zh) * | 2014-08-29 | 2014-12-10 | 江苏南瑞帕威尔电气有限公司 | 单相轴向四分裂非晶合金干式隔离变压器 |
| ES2806448T3 (es) * | 2014-09-12 | 2021-02-17 | Abb Power Grids Switzerland Ag | Transformador de tracción |
| EP3048623B1 (de) * | 2015-01-20 | 2017-11-22 | Balikesir Elektromekanik Sanayi Tesisleri Anonim Sirketi | Transformator mit reduzierter höhe, volumen und gewicht |
-
2017
- 2017-04-04 DE DE102017205749.1A patent/DE102017205749A1/de not_active Withdrawn
-
2018
- 2018-03-05 PL PL18711041.6T patent/PL3577665T3/pl unknown
- 2018-03-05 EP EP18711041.6A patent/EP3577665B1/de active Active
- 2018-03-05 WO PCT/EP2018/055313 patent/WO2018184777A1/de not_active Ceased
- 2018-03-05 CN CN201880022773.6A patent/CN110462763B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018184777A1 (de) | 2018-10-11 |
| CN110462763B (zh) | 2022-06-24 |
| DE102017205749A1 (de) | 2018-10-04 |
| CN110462763A (zh) | 2019-11-15 |
| PL3577665T3 (pl) | 2022-09-19 |
| EP3577665B1 (de) | 2022-06-15 |
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