EP3685411A1 - Wicklungsanordnung - Google Patents
WicklungsanordnungInfo
- Publication number
- EP3685411A1 EP3685411A1 EP18829752.7A EP18829752A EP3685411A1 EP 3685411 A1 EP3685411 A1 EP 3685411A1 EP 18829752 A EP18829752 A EP 18829752A EP 3685411 A1 EP3685411 A1 EP 3685411A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding
- conductor
- switching line
- connection
- connecting element
- 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
- H01F5/00—Coils
- H01F5/04—Arrangements of electric connections to coils, e.g. leads
-
- 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
- H01F27/2823—Wires
- H01F27/2828—Construction of conductive connections, of leads
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/322—Insulating of coils, windings, or parts thereof the insulation forming channels for circulation of the fluid
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
- H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/10—Connecting leads to windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/06—Insulation of windings
Definitions
- the invention relates to a winding arrangement for a transformer, in particular with a resource voltage of Um> 72.5 kV, wherein the winding assembly has at least one winding terminating in a winding conductor, wherein the winding conductor is connected to a switching line, which for interconnecting the winding with others Windings is formed.
- the winding arrangement according to the invention can be used in various transformer types, in particular in
- High-temperature applications reduce the risk of partial discharges and flashovers in the high voltage leakage area.
- Winding arrangement according to claim 1 solved. Starting from a winding arrangement for a transformer,
- the winding arrangement has at least one winding which terminates in a winding conductor, wherein the winding conductor is connected to a switching line, which is used to connect the winding with other windings
- connection of the switching line is arranged with the winding conductor in the interior of the winding.
- connection of the switching line to the winding conductor is arranged inside the winding means that the connection is surrounded by the winding, both in the radial direction of the winding and in the axial direction of the winding. If one assumes that the winding is arranged around a winding axis, then, for example, relative to the winding axis, there is still a part of the winding both radially outside the connection according to the invention and also axially before and after the connection. The winding conductors of the winding thus insulate the connection for the most part, in particular completely, from the space outside the winding.
- the invention is advantageous for the high-voltage winding, so the high-voltage winding, a transformer
- connection between the switching line and the winding conductor is a crimp connection.
- a crimp connection occurs when two components are joined together by plastic deformation, for example by crimping, pinching, crimping or folding.
- a crimp connection is not a detachable connection per se.
- a crimp connection is form-fitting.
- Inserted connecting element in which one or both conductors to be connected are inserted.
- Connecting element may be formed as a sleeve or cable lug.
- a mechanical connection of the two conductors to be connected in this case of the winding conductor and of the
- Switching line As tools for crimping, for example Crimping tools or abutment presses used. The shape of the tool and the pressing force must be adjusted in each case so that a positive connection is formed, but none of the conductors thereby destroyed, especially broken, is. As an alternative to crimping, the two conductors can also be soldered or welded.
- connection is within the winding, it is advantageous that the connecting element that the
- connection between the switching line and the winding conductor manufactures is surrounded by an electrical shield. As a result, the electric field of the winding is shielded from the switching line in a simple manner.
- the electrical shield also surrounds the part of the winding conductor adjoining the connecting element and the part of the switching line adjoining the connecting element. In any case, a good shielding of the connecting element is achieved.
- the electrical shielding is the easiest one
- connection element Surrounding connection element. Conceivable here are conductive films, braids or sheets.
- the conductive layer may be e.g. Copper included.
- Connecting element subsequent part of the switching line may be surrounded by a common insulation. This can lead to no conductive connection or to a
- Switching line with a winding conductor, in particular the corresponding connecting element, is arranged relative to the winding.
- connection in particular in the form of the connecting element, is thus surrounded in the axial direction on both sides by winding conductors. In the radial direction, at least outside the connection,
- connection in particular in the form of the connecting element, is thus surrounded in the axial direction on both sides by winding conductors. In the radial direction, at least within the connection,
- Winding conductor is still a part of the winding.
- the connection in particular in the form of the connecting element, is therefore surrounded on all sides by winding conductors.
- This variant is suitable for taps, which are seen radially between the winding start and end of the winding.
- connections per winding are provided. Thus, two or all three embodiments can be present on a winding. In particular, several compounds of the third embodiment may be present.
- the invention also encompasses a transformer, in particular a power transformer, preferably an oil-filled distribution transformer, with a current transformer according to the invention
- Transformers that are designed for high performance, such as for use in electrical energy networks.
- Power transformers are often three-phase than
- Fig. 1 is a longitudinal section of the invention
- FIG. 2 shows a longitudinal section of the area around the connection between the switching line and the winding conductor from FIG. 1.
- Fig. 1 shows the upper end of an inventive
- Winding arrangement with a winding 1, which is arranged around a winding axis 5. Radially inside and / or outside of the winding 1, further windings may be arranged.
- the winding 1 is usually a, not shown here, core leg of a
- Wound transformer core and consists of one or more winding conductors 3.
- the winding conductor 3 may for example be a winding wire.
- the windings 1 surrounds lead out, or to the
- Transformer housing connects with a line outside of the transformer.
- the discharge also includes so-called switching lines 2, by means of which the individual windings 1 of
- Transformers can still be interconnected in the interior of the transformer housing. In this way, the three phases of a three-phase AC transformer can be interconnected.
- the winding 1 terminates in a winding conductor 3 and is connected by means of a connecting element 4 with a switching line 2, which serves to interconnect the winding 1 with other windings.
- the connecting element 4 is arranged in the interior of the winding. On the one hand, this means that in the radial direction of the winding 1, that is to say normal to the winding axis 5, at least outside of the winding
- Connecting element 4 is still a part of the winding 1, here the majority of the winding 1. The end of the
- Winding conductor 3 forms the winding start of the
- Winding 1 which is designed here as a high-voltage winding.
- the beginning of the winding and thus the connecting element 4 is here - seen in the radial direction - inside of the insulation of the winding 1 to Kleinstreuspalt and this in turn is between high-voltage winding and
- Winding 1 These further winding conductors of the winding 1 thus insulate the connecting element 4 from the space outside the winding 1.
- Connecting element 4 corresponds in Fig. 1 of the previously described first embodiment for the
- the connecting element 4 could also be used for the end of the winding, which is located on the outside in the radial direction of the winding 1, see the alternative position 9 of FIG.
- the connecting element 4 would then be radially outward, e.g. surrounded only by the insulation of the winding 1, on all other sides (radially inward, axially) of the winding conductors of the winding 1.
- the connecting element 4 could also be used according to the third embodiment for a tap, seen in the radial direction of the winding 1 somewhere between
- Winding start and winding end is, see the, drawn as a vertical line, exemplary alternative position 8 of the connecting element 4.
- the connecting element 4 would then be surrounded on all sides by winding conductors of the winding 1.
- Conductor cross section has as the winding conductor 3 is outside the winding 2, the electric field strength on the outside of the switching line 2 less than
- Winding conductor 3 if this instead of the switching line 2 off the winding 1 - in Fig. 1 above from the winding 1 - would be led out.
- Winding conductor 3 which has a smaller cross-section than the switching line 2, are guided in the connecting element 4 and connected to each other mechanically and electrically conductively by means of crimp connection.
- An electrical shield 6 surrounds the connecting element 4, the part of the winding conductor adjoining the connecting element 4
- Winding axis 5 (see Fig. 1) considered area and beyond an insulation 7 is provided, which the electrical shield 6, the to the connecting element
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL18829752T PL3685411T3 (pl) | 2017-12-20 | 2018-12-06 | Układ uzwojenia |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017223316.8A DE102017223316A1 (de) | 2017-12-20 | 2017-12-20 | Wicklungsanordnung |
| PCT/EP2018/083865 WO2019121048A1 (de) | 2017-12-20 | 2018-12-06 | Wicklungsanordnung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3685411A1 true EP3685411A1 (de) | 2020-07-29 |
| EP3685411B1 EP3685411B1 (de) | 2021-08-11 |
Family
ID=64949222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18829752.7A Active EP3685411B1 (de) | 2017-12-20 | 2018-12-06 | Wicklungsanordnung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11626242B2 (de) |
| EP (1) | EP3685411B1 (de) |
| CN (1) | CN111480209A (de) |
| DE (1) | DE102017223316A1 (de) |
| PL (1) | PL3685411T3 (de) |
| WO (1) | WO2019121048A1 (de) |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB376387A (en) | 1930-04-17 | 1932-07-14 | Koch & Sterzel Ag | High potential winding for transformers, testing transformers, choking coils and the like |
| DE663163C (de) * | 1934-01-20 | 1938-07-30 | Siemens Schuckertwerke Akt Ges | Magnetspule, insbesondere Zaehlerspannungsspule |
| GB660668A (en) * | 1949-03-11 | 1951-11-07 | Dow Corning Ltd | Improvements in or relating to electric transformers |
| US2728879A (en) * | 1950-11-18 | 1955-12-27 | Gen Electric | Electrical coil |
| US2787769A (en) * | 1953-07-14 | 1957-04-02 | Gen Electric | Tapped coil |
| GB800992A (en) | 1953-12-24 | 1958-09-03 | Plessey Co Ltd | Improvements in or relating to electrical apparatus |
| US4091349A (en) * | 1975-12-29 | 1978-05-23 | General Electric Company | High voltage winding lead and terminal structure |
| WO1997045931A1 (en) | 1996-05-29 | 1997-12-04 | Asea Brown Boveri Ab | Insulated conductor for high-voltage windings |
| SE520942C2 (sv) | 2002-01-23 | 2003-09-16 | Abb Ab | Elektrisk maskin samt användning av sådan |
| JP5009046B2 (ja) * | 2007-05-21 | 2012-08-22 | 株式会社鷺宮製作所 | 電磁コイルおよびその製造方法 |
| EP2426680A1 (de) * | 2010-09-01 | 2012-03-07 | ABB Technology AG | Gekühlter Transformator mit mindestens einer Bandwicklung |
| US8759683B2 (en) * | 2011-07-15 | 2014-06-24 | Hubbell Incorporated | Spark-over prevention device for high-voltage bushing |
| US8466767B2 (en) * | 2011-07-20 | 2013-06-18 | Honeywell International Inc. | Electromagnetic coil assemblies having tapered crimp joints and methods for the production thereof |
| DE102011089251B4 (de) | 2011-12-20 | 2014-05-22 | Siemens Aktiengesellschaft | Auslöseeinheit zum Betätigen einer mechanischen Schalteinheit einer Vorrichtung |
| US8754735B2 (en) * | 2012-04-30 | 2014-06-17 | Honeywell International Inc. | High temperature electromagnetic coil assemblies including braided lead wires and methods for the fabrication thereof |
| US9076581B2 (en) | 2012-04-30 | 2015-07-07 | Honeywell International Inc. | Method for manufacturing high temperature electromagnetic coil assemblies including brazed braided lead wires |
| JP6029896B2 (ja) | 2012-08-31 | 2016-11-24 | 日清工業有限公司 | 変圧器およびストロボ装置 |
| US9027228B2 (en) * | 2012-11-29 | 2015-05-12 | Honeywell International Inc. | Method for manufacturing electromagnetic coil assemblies |
| FI10699U1 (fi) * | 2013-08-23 | 2014-11-25 | Vacon Oyj | Käämitysjärjestely |
| DE202014105168U1 (de) | 2013-11-26 | 2014-11-13 | Wen-Hsiang Wu Li | Planarwicklungsmodul und Planartransformator, der dieses verwendet |
| JP6678292B2 (ja) * | 2015-02-19 | 2020-04-08 | パナソニックIpマネジメント株式会社 | コモンモードノイズフィルタ |
| CN205140713U (zh) * | 2015-11-12 | 2016-04-06 | 浙江正泰电器股份有限公司 | 带有绕埋式引线的线圈 |
| CN206148718U (zh) | 2016-11-10 | 2017-05-03 | 浙江春晖智能控制股份有限公司 | 一种防爆电磁阀线圈用引出电缆 |
-
2017
- 2017-12-20 DE DE102017223316.8A patent/DE102017223316A1/de not_active Withdrawn
-
2018
- 2018-12-06 CN CN201880082539.2A patent/CN111480209A/zh active Pending
- 2018-12-06 PL PL18829752T patent/PL3685411T3/pl unknown
- 2018-12-06 US US16/955,445 patent/US11626242B2/en active Active
- 2018-12-06 WO PCT/EP2018/083865 patent/WO2019121048A1/de not_active Ceased
- 2018-12-06 EP EP18829752.7A patent/EP3685411B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE102017223316A1 (de) | 2019-06-27 |
| WO2019121048A1 (de) | 2019-06-27 |
| US11626242B2 (en) | 2023-04-11 |
| PL3685411T3 (pl) | 2022-01-10 |
| US20200350112A1 (en) | 2020-11-05 |
| EP3685411B1 (de) | 2021-08-11 |
| CN111480209A (zh) | 2020-07-31 |
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