EP2277183A1 - Modularer ringkern - Google Patents
Modularer ringkernInfo
- Publication number
- EP2277183A1 EP2277183A1 EP08758487A EP08758487A EP2277183A1 EP 2277183 A1 EP2277183 A1 EP 2277183A1 EP 08758487 A EP08758487 A EP 08758487A EP 08758487 A EP08758487 A EP 08758487A EP 2277183 A1 EP2277183 A1 EP 2277183A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- core
- winding
- modules
- module
- transformer
- 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
- 238000004804 winding Methods 0.000 claims abstract description 82
- 239000002184 metal Substances 0.000 claims abstract description 9
- 230000001066 destructive effect Effects 0.000 claims abstract 2
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 125000000524 functional group Chemical group 0.000 claims 1
- 239000010410 layer Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 239000012792 core layer Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
- H01F30/16—Toroidal transformers
-
- 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
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
Definitions
- the invention relates to a toroidal core for a power transformer, wherein the toroidal core extends in the form of a closed torus-like structure about an imaginary central axis and wherein this is formed from a plurality of adjacent layers of sheet metal.
- the invention also relates to an arrangement of a plurality of toroidal cores with winding modules.
- a 3-phase power transformer usually has at least one primary and one secondary winding for each phase, so that a total of at least 6 individual windings result.
- 3-phase power transformers are known in which all windings are arranged around a common transformer core with a plurality of legs, wherein one leg is then wrapped, for example, each of a primary and a secondary winding of a phase.
- 3-phase power transformers which are formed by suitable electrical shading of three 1-phase transformers in which the primary and secondary windings are each a phase wrapped around a separa ⁇ th annular transformer core.
- the 1-phase primary and / or secondary winding also in the form of several separate winding segments, for example along a circular path, wherein all winding segments are penetrated by the annular core, as described for example in European Patent EP 0 557 549 B1.
- the ring core according to the invention is characterized in that it is formed along the torus-like structure of at least three mutually connectable and detachable core section modules and that the connection of the core section modules is provided by toothing or overlapping individual sheet metal layers or sheet metal layer areas.
- the modular design of a toroidal core according to the invention of at least three, preferably identical, Kernabitessmodulen, which are also detachable from each other, allows selective disassembly of the individual transformer components, such as winding modules or winding segments, which are arranged along the ring core and are penetrated by this.
- the maintenance effort when replacing a winding module is thereby reduced in an advantageous manner.
- the detachable connection of the individual core section modules takes place according to the invention by toothing and / or overlapping a plurality of sheet metal layers or sheet metal layer areas between adjacent core sections.
- this has at least in sections a core cross-section, which is approximated to an ellipse or a circle.
- a core cross-section which is approximated to an ellipse or a circle.
- each core section module is assigned exactly one winding module, each having at least one electrical winding.
- Winding module and core section module are then easily replaced together in a fault, without having to remove another, not faulty winding module from the toroidal core.
- all winding and core section modules are identical.
- At least two galvanically separated electrical windings are arranged in a winding module.
- the joint arrangement of a portion of a primary and a secondary winding of a power transformer within a winding module is possible.
- the production cost is thereby advantageously reduced.
- a core section module is non-positively and / or positively connected to the respective associated winding module, so that this results in a transformer module.
- the winding modules can be electrically coupled to one another. It is also envisaged that common electrical connections are led out for groups of electrically coupled winding modules.
- a suitable such electrical coupling for example by a series and / or parallel connection of windings of several winding modules, the functionality of a 1-phase power transformer can be achieved, which can be coupled to the common terminals with an electrical power supply network.
- the object of the invention is also achieved by an arrangement of toroidal cores with winding modules according to one of claims 3 to 7, wherein the respective toroidal cores with winding modules can be arranged in a common connection structure and can be introduced separately therefrom and non-destructively.
- connection structure a device is to be considered by means of which at least two ring cores with winding modules or two complete ring kemtransformatoren are mechanically connected to each other.
- a connection structure may also include electrical conductors and parts of electrical coupling devices, such as plugs, sockets or terminals, using one or more of the windings or winding modules Toroidal transformers are connectable.
- the electrical connections of a winding or of a winding module expediently have a corresponding counterpart of the coupling device.
- Power distribution networks are usually constructed in 3-phase.
- the functionality of a previously described arrangement of inventive ring core with associated and suitably electrically interconnected windings corresponds to the functionality of a 1-phase power transformer.
- an arrangement and the electrical shading of three 1-phase transformers are suitable, which also represents a preferred embodiment of the inventive arrangement.
- a likewise modular arrangement of three already inventively modular ring cores with connected winding modules in a common connection structure (s.o.) Is provided.
- the effort to exchange a single defective winding module of such a connected arrangement of multiple 1-phase transformers is further simplified.
- connection structure has devices for the electrical coupling of individual winding modules and / or common electrical connections of the winding modules.
- Such an electrical connection can be realized for example via a plug connection. The connection of such an arrangement to a power supply network is thereby simplified.
- At least two toroidal cores with winding modules are arranged axially along a common central axis or also on a common plane transversely to the respective central axis.
- the construction of the common connection structure is thereby simplified and the space required is reduced.
- this ring core has 3, 4, 5, 6, 7, 8, 9, 10, 11 or 12 core section modules.
- FIG. 1 shows a first core section module with associated winding module
- Fig. 2 is a toroidal core with winding modules
- Fig. 3 shows an arrangement of toroidal cores with winding modules
- FIG. 1 shows a first transformer module 10 with a first core section module 11 with associated winding module, the winding modules having a first 14 and a second 16 electrical winding, which are wound around a winding axis.
- Core section module and winding module are mechanically connected to a transformer module, so that it can be raised or moved as a component.
- transformer modules 10 are the starting point for a modular transformer core.
- the structural identity is essential for the interchangeability of the respective transformer modules with each other.
- a number of 3, 4, 5, 6, 7, 8, 9, 10 11 or 12 core section modules per ring core are suitable.
- at least 3 core section modules are required, a higher number than 12 is increasingly unfavorable from a constructive point of view, since the respective winding modules turn out to be correspondingly narrower and thus lead to more outlay in production.
- the manufacturing effort also increases with an excessive number of Kernabitess- or winding modules.
- FIG. 2 shows a hexagonal toroidal core with six transformer modules 10 , 20 , 30, 40, 50, 60, which are arranged on a circular path about a central axis 70.
- the transformer module 10 shown in FIG. 1 as well as the five identical further transformer modules 20, 30, 40, 50, 60 are an essential component of the illustrated ring core with winding modules.
- Each core section module 11 is connected by a suitable connection, for example, a mutual interlocking respectively adjacent core packages forming the core section modules, with further core section modules adjacent to each other.
- a suitable connection for example, a mutual interlocking respectively adjacent core packages forming the core section modules, with further core section modules adjacent to each other.
- Such a toothing improves the guiding of the magnetic flux along the extension of the ring core, in particular in the connecting areas.
- further connection mechanisms are provided, which increase the mechanical strength of the connection of adjacent core section modules, for example a screw connection through the toothing region of adjacent core section modules.
- the gaps between the respective Kemabitessmodulen shown in the figure are only intended to graphically show the boundary between adjacent Kemabitessmodulen. In a real arrangement, such a gap is not provided, moreover, the sheets, which form the ring core in its main thing, interlocked in the border areas.
- Fig. 3 shows an arrangement 100 of three Ringkemen or toroidal transformers in a side view.
- Each toroidal transformer has six transformer modules in this example, of which only three are visible in this lateral perspective.
- Each of the illustrated transformer modules 101, 102, 103, 111, 112, 113, 121, 122, 123 each has an identical core section module and a winding module, similar to the transformer module shown in FIG.
- the transformer modules 101, 102, 103 are in this illustration the visible part of a first toroidal transformer, which is formed in the main of these three transformer modules and three further located in the rear area imaginary transformer modules.
- the transformer modules 111, 112, 103 in this illustration are the visible part of a second toroidal transformer.
- the transformer modules 121, 122, 123 in this illustration the visible part of a third toroidal transformer.
- All three toroidal transformers are arranged vertically above one another along a common central axis, not shown.
- insulation blocks 130 are arranged, which remove the load of each located above toroidal transformers down. These preferably have an electrical insulation capability and also have vibration-damping properties.
- the insulation blocks 130 are here to be regarded as part of a common connection structure of the three toroidal transformers. In this way, moreover, the operating noise of such an arrangement can be reduced.
- the third toroidal transformer could be slightly raised with a first mobile lifting device and the second toroidal transformer could be removed from the connecting structure with a second mobile lifting device.
- the electrical connections of the second toroidal transformer which are preferably designed as easily detachable connections such as a connector to solve.
- the electrical connections of the transformer module 112 to be exchanged with the other transformer modules of the same toroidal transformer are also to be solved.
- the respective transformer module 112 is to be removed from the toroidal core, wherein the toroidal core must be located during this process in a safe parking position, so that it is the mechanically separated part of the toroidal core 111, 113 is not damaged.
- a replacement transformer module of identical design is to be inserted into the separated ring core and to produce the electrical connections of the replacement transformer module with the other modules of the second ring core.
- the second toroidal transformer is to be returned to the original position within the connection structure, the electrical connections to the first and the third toroidal transformer and the third toroidal transformer with the first mobile lifting device on the insulation blocks 130 set down.
- a further embodiment according to the invention - not shown in a figure - of a connection structure for a plurality of modular toroidal transformers consists of a shelf-like storage device with several superimposed planes, wherein in each plane a toroidal transformer can be positioned and electrically and mechanically connected to this. A lifting operation of over that toroidal transformer with a transformer module to be replaced further toroidal transformers is eliminated.
- the levels of the shelf-like storage device, on which a toroidal core is to be positioned with the aid of telescopic rails from the storage device movable. The removal process of a ring-core transformer is thereby further simplified.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2008/003826 WO2009138101A1 (de) | 2008-05-13 | 2008-05-13 | Modularer ringkern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2277183A1 true EP2277183A1 (de) | 2011-01-26 |
| EP2277183B1 EP2277183B1 (de) | 2011-09-07 |
Family
ID=40380660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08758487A Not-in-force EP2277183B1 (de) | 2008-05-13 | 2008-05-13 | Modularer ringkern |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20110273256A1 (de) |
| EP (1) | EP2277183B1 (de) |
| CN (1) | CN102027554A (de) |
| AT (1) | ATE523887T1 (de) |
| BR (1) | BRPI0822691A2 (de) |
| CA (1) | CA2723256A1 (de) |
| WO (1) | WO2009138101A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2709124B1 (de) * | 2012-09-12 | 2015-01-07 | ABB Technology AG | Transformator |
| US11508509B2 (en) * | 2016-05-13 | 2022-11-22 | Enure, Inc. | Liquid cooled magnetic element |
| JP6773811B2 (ja) * | 2016-05-13 | 2020-10-21 | プリペル テクノロジーズ,リミティド ライアビリティ カンパニー | 液冷式磁気素子 |
| DE102017104138A1 (de) * | 2017-02-28 | 2018-08-30 | Christian-Albrechts-Universität Zu Kiel | Spannungswandler, Verfahren zu dessen Betrieb und Computerprogramm |
| CN110870030B (zh) | 2017-06-28 | 2023-03-10 | 普里派尔技术有限公司 | 流体冷却式磁性元件 |
| JP6791927B2 (ja) * | 2018-10-23 | 2020-11-25 | ファナック株式会社 | テーパ状部分を有するコイルを具備する電磁機器 |
| US20200176174A1 (en) | 2018-11-29 | 2020-06-04 | Prippell Technologies, Llc | Fluid cooled magnetic element |
| UA128371C2 (uk) * | 2021-04-19 | 2024-06-26 | Леонід Адамович Білий | Трифазний трансформатор |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE965344C (de) * | 1941-01-28 | 1957-06-06 | Aeg | Magnetischen Zwecken dienender Eisenkern |
| DE1965818U (de) * | 1966-12-05 | 1967-08-10 | Siemens Ag | Ringkern bzw. ringartiger vieleckkern oder schenkelkern fuer wandler. |
| EP0557549B1 (de) | 1992-02-26 | 1995-08-30 | HANSER, Volker | Ringkerntransformator |
| JPH0828304A (ja) * | 1994-07-12 | 1996-01-30 | Toshiba Corp | ガスタービンプラント |
| DE19501082C1 (de) * | 1995-01-16 | 1996-11-14 | Siemens Ag | Mehrphasiger Transformator |
| US5923236A (en) * | 1996-04-29 | 1999-07-13 | Alliedsignal Inc. | Magnetic core-coil assembly for spark ignition system |
| US6972967B2 (en) * | 2003-02-20 | 2005-12-06 | Avaya Technology Group | EMC/ESD mitigation module |
| US20050001709A1 (en) * | 2003-07-03 | 2005-01-06 | Pais Martin R. | Inductive device and methods for assembling same |
| WO2005086186A1 (en) * | 2004-02-27 | 2005-09-15 | Buswell Harrie R | Toroidal inductive devices and methods of making the same |
| US7808359B2 (en) * | 2005-10-21 | 2010-10-05 | Rao Dantam K | Quad-gapped toroidal inductor |
| JP4751266B2 (ja) * | 2006-02-09 | 2011-08-17 | 株式会社タムラ製作所 | リアクトル部品 |
| WO2007133399A2 (en) * | 2006-05-09 | 2007-11-22 | Spang & Company | Electromagnetic assemblies, core segments that form the same, and their methods of manufacture |
| US7656266B2 (en) * | 2008-01-09 | 2010-02-02 | Chang Kern K N | Toroidal star-shaped transformer |
-
2008
- 2008-05-13 CA CA2723256A patent/CA2723256A1/en not_active Abandoned
- 2008-05-13 WO PCT/EP2008/003826 patent/WO2009138101A1/de not_active Ceased
- 2008-05-13 CN CN2008801292495A patent/CN102027554A/zh active Pending
- 2008-05-13 AT AT08758487T patent/ATE523887T1/de active
- 2008-05-13 BR BRPI0822691-1A patent/BRPI0822691A2/pt not_active IP Right Cessation
- 2008-05-13 EP EP08758487A patent/EP2277183B1/de not_active Not-in-force
-
2010
- 2010-11-12 US US12/945,326 patent/US20110273256A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009138101A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2277183B1 (de) | 2011-09-07 |
| WO2009138101A1 (de) | 2009-11-19 |
| CA2723256A1 (en) | 2009-11-19 |
| US20110273256A1 (en) | 2011-11-10 |
| ATE523887T1 (de) | 2011-09-15 |
| CN102027554A (zh) | 2011-04-20 |
| BRPI0822691A2 (pt) | 2015-07-07 |
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