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EP2369602B1 - Agencement doté d'au moins deux bobines installées l'une sur l'autre de manière axiale sur une même branche du noyau - Google Patents

Agencement doté d'au moins deux bobines installées l'une sur l'autre de manière axiale sur une même branche du noyau Download PDF

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Publication number
EP2369602B1
EP2369602B1 EP10003059.2A EP10003059A EP2369602B1 EP 2369602 B1 EP2369602 B1 EP 2369602B1 EP 10003059 A EP10003059 A EP 10003059A EP 2369602 B1 EP2369602 B1 EP 2369602B1
Authority
EP
European Patent Office
Prior art keywords
coil
barrier
barriers
winding
coils
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
EP10003059.2A
Other languages
German (de)
English (en)
Other versions
EP2369602A1 (fr
Inventor
Benjamin Weber
Bhavesh Patel
Burak Esenlik
Frank Cornelius
Marcos Dr. Bockholt
Jens Dr. Tepper
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.)
ABB Technology AG
Original Assignee
ABB Technology 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
Priority to EP10003059.2A priority Critical patent/EP2369602B1/fr
Application filed by ABB Technology AG filed Critical ABB Technology AG
Priority to PL10003059T priority patent/PL2369602T3/pl
Priority to ES10003059T priority patent/ES2415909T3/es
Priority to RU2012144801/07A priority patent/RU2564403C2/ru
Priority to PCT/EP2011/001155 priority patent/WO2011116884A1/fr
Priority to CN201180014947.2A priority patent/CN102792397B/zh
Priority to BR112012024201-6A priority patent/BR112012024201B1/pt
Priority to KR1020127024782A priority patent/KR101819034B1/ko
Priority to JP2013500363A priority patent/JP5745612B2/ja
Publication of EP2369602A1 publication Critical patent/EP2369602A1/fr
Priority to US13/624,529 priority patent/US9449755B2/en
Application granted granted Critical
Publication of EP2369602B1 publication Critical patent/EP2369602B1/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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
    • 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
    • H01F27/323—Insulation between winding turns, between winding layers
    • 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
    • H01F27/327—Encapsulating or impregnating
    • H01F2027/328—Dry-type transformer with encapsulated foil winding, e.g. windings coaxially arranged on core legs with spacers for cooling and with three phases

Definitions

  • the invention relates to an arrangement with at least two on a common core leg axially superposed coils, each coil having at least two radially superposed windings and barriers are provided between the windings.
  • each coil has an inner winding respectively lower voltage winding and an outer winding respectively high voltage winding.
  • the distance between two coils required with regard to a sufficient dielectric strength is calculated. It is also common to arrange between the inner winding and the outer winding of a coil barriers to prevent electrical flashover between the two windings.
  • a lateral section through an arrangement with at least two coils according to the prior art is shown. It is a core thigh 7 to recognize on which a first coil 1 and a second coil 4 are arranged axially one above the other.
  • the first coil 1 has two windings 2, 3 arranged radially one above the other, whereby winding 2 is also referred to as an inner winding or undervoltage winding and winding 3 is also referred to as an outer winding or a high-voltage winding.
  • the second coil 4 has two radially superposed windings 5, 6, wherein winding 5 are also referred to as inner winding respectively lower voltage winding and winding 6 as outer winding respectively high-voltage winding.
  • a plurality of barriers 51 are arranged in order to reliably prevent an electrical flashover between the two windings 2, 3.
  • a plurality of barriers 52 are arranged between the inner winding 5 and the outer winding 6 of the second coil 4 in order to reliably prevent an electrical flashover between the two windings 5, 6.
  • the axial distance between the two coils 1, 4 to be predetermined as a function of the wiring of the coils and the voltage differences is denoted by A1 (measured between the inner windings 2, 5).
  • the barrier supernatant, d. H. the projection of a barrier over the end face of a winding arranged perpendicular to the winding axis W is designated B (measured between winding 3 and barrier 51 or between winding 6 and barrier 52).
  • the required barrier projections over the windings of the individual coils are relatively large and thus lead to an extension of the core legs - see the necessary core leg length L1.
  • the invention has for its object to provide an optimized with respect to the necessary dimensioning arrangement with at least two on a common core leg axially superimposed coils.
  • the advantages achieved by the invention are, in particular, that the core leg length of the coil or of the transformer can be reduced, which leads to an overall more compact construction of the coil or of the transformer.
  • the barrier arrangement is designed such that electrical flashovers from the outer winding to the inner winding are avoided, although the axial distance of the coils is reduced to each other.
  • Fig. 1 is a side section through an optimized arrangement with at least two coils according to a first embodiment shown. It can be seen a core leg 7, on which a first coil 1 and a second coil 4 are arranged axially above one another.
  • the first coil 1 has two windings 2, 3 arranged radially one above the other, winding 2 also being referred to as an inner winding and winding 3 also as an outer winding.
  • the second coil 4 has two radially superposed windings 5, 6, wherein winding 5 are also referred to as inner winding and winding 6 as an outer winding.
  • the central axis of the core leg 7 is likewise the winding axis W.
  • barriers 9, 10, 11, 12, 13 arranged to reliably prevent electrical flashover between the two windings 2, 3.
  • barriers 15, 16, 17, 18, 19 are arranged to reliably prevent electrical flashover between the two windings 5, 6.
  • the barriers of adjacent coils are arranged radially offset from one another, and the edge regions of the barriers 9-13 and 15-19 mesh with one another like a comb. This results overlap areas U between the barriers of the adjacent coils 1, 4.
  • the barrier projections B are unchanged from the embodiment according to Fig. 4 , Advantageous results in comparison to axial distance A1 (see Fig. 4 ) reduced axial distance A2. Accordingly, there is a reduced core leg length L2.
  • a lateral section through an optimized arrangement with at least two coils is shown according to a second embodiment. It can be seen a core leg 7, on which a first coil 1 and a second coil 4 are arranged axially above one another.
  • the first coil 1 has two windings 2, 3 arranged radially one above the other, winding 2 also being referred to as an inner winding and winding 3 also as an outer winding.
  • the second coil 4 has two radially superposed windings 5, 6, wherein winding 5 are also referred to as inner winding and winding 6 as an outer winding.
  • barriers 21, 22, 23, 24, 25 are barriers 21, 22, 23, 24, 25 arranged to reliably prevent an electrical flashover between the two windings 2, 3.
  • barriers 27, 28, 29, 30, 31 are arranged to reliably prevent electrical flashover between the two windings 5, 6.
  • the barriers 21 - 25 and 27 - 31 of the immediately opposite areas of both coils 1, 4 alternately shortened and lengthened, so that a shortened barrier of a coil opposite to an extended barrier of the other coil and a coil on an extended barrier shortened barrier follows. Overlap areas between the barriers of the adjacent coils 1, 4 result. Such an axial approach of the two coils 1, 4 can be achieved without any barrier contact.
  • the barrier protrusion B of an extended barrier corresponds to the barrier protrusion B of the embodiment according to Fig. 4 , A shortened barrier 21, 28, 23, 30, 25 is immediately opposite an extended barrier 27, 22, 29, 24, 31, without touching the opposite barriers.
  • Fig. 3 is a side sectional view of an exemplary arrangement with at least two coils according to the prior art shown. It can be seen a core leg 7, on which a first coil 1 and a second coil 4 are arranged axially above one another.
  • the first coil 1 has two windings 2, 3 arranged radially one above the other, winding 2 also being referred to as an inner winding and winding 3 also as an outer winding.
  • the second coil 4 has two radially superposed windings 5, 6, wherein winding 5 are also referred to as inner winding and winding 6 as an outer winding.
  • barriers 33, 36, 37, 40 and insulating rings as a barrier 34/35, 38/39 are arranged to reliably prevent electrical flashover between the two windings 2, 3 .
  • barriers 42, 45, 46, 49 and insulating rings are arranged as barrier 43/44, 47/48 to form an electrical flashover between the two coils 5 6 to prevent reliable.
  • the insulation rings 34/35 additionally engage around the end faces of the inner winding 2 arranged perpendicular to the winding axis W
  • the insulation rings 38/39 additionally engage around the end faces of the outer winding 3 arranged perpendicular to the winding axis W
  • the insulation rings 43/44 additionally engage around the end face the inner winding 5
  • the insulation rings 47/48 additionally engage around the end face of the outer winding 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Insulating Of Coils (AREA)
  • Coils Or Transformers For Communication (AREA)

Claims (5)

  1. Agencement comprenant au moins deux bobines (1, 4) disposées axialement l'une au-dessus de l'autre sur une branche de noyau commune (7), chaque bobine présentant au moins deux enroulements (2, 3, 5, 6) disposés radialement l'un au-dessus de l'autre et des barrières étant prévues entre les enroulements (2, 3, 5, 6), caractérisé en ce que les barrières (9-13, 15-19) de bobines adjacentes (1, 4) sont disposées de manière décalée radialement les unes par rapport aux autres et en ce que les régions de bord des barrières (9-13, 15-19) viennent en prise les unes dans les autres à la manière d'un peigne.
  2. Agencement comprenant au moins deux bobines (1, 4) disposées axialement l'une au-dessus de l'autre sur une branche de noyau commune (7), chaque bobine présentant au moins deux enroulements (2, 3, 5, 6) disposés radialement l'un au-dessus de l'autre et des barrières étant prévues entre les enroulements (2, 3, 5, 6), caractérisé en ce que les barrières (21-25, 27-31) des régions directement opposées l'une à l'autre de bobines adjacentes (1, 4) sont en alternance raccourcies et rallongées, de telle sorte qu'à une barrière raccourcie (21, 23, 25) d'une bobine (1) s'oppose toujours une barrière rallongée (27, 29, 31) de l'autre bobine (4) et inversement qu'à une barrière rallongée (22, 24) d'une bobine (1) s'oppose toujours une barrière raccourcie (28, 30) de l'autre bobine (4), et que pour chaque bobine (1, 4), une barrière raccourcie suive une barrière rallongée.
  3. Agencement selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que les barrières (9-13, 15-19, 21-25, 27-31) dans la bobine (1, 4) sont enroulées ensemble et suivent donc automatiquement la forme de la bobine.
  4. Agencement selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que les barrières (9-13, 15-19, 21-25, 27-31) sont réalisées sous forme de composants préformés de manière adaptée dans chaque cas à la forme et aux dimensions de la bobine (1, 4).
  5. Agencement selon l'une quelconque des revendications 1 ou 2, caractérisé en ce qu'entre l'enroulement interne (2, 5), les barrières individuelles (9-13, 15-19, 21-25, 27-31) et l'enroulement externe (3, 6) sont disposées des barrettes pour maintenir des distances définies le long de la périphérie.
EP10003059.2A 2010-03-23 2010-03-23 Agencement doté d'au moins deux bobines installées l'une sur l'autre de manière axiale sur une même branche du noyau Active EP2369602B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
PL10003059T PL2369602T3 (pl) 2010-03-23 2010-03-23 Układ, z co najmniej dwiema cewkami, umieszczonymi osiowo jedna na drugiej na wspólnej kolumnie rdzenia
ES10003059T ES2415909T3 (es) 2010-03-23 2010-03-23 Disposición con al menos dos bobinas dispuestas axialmente una sobre otra en un brazo de núcleo común
EP10003059.2A EP2369602B1 (fr) 2010-03-23 2010-03-23 Agencement doté d'au moins deux bobines installées l'une sur l'autre de manière axiale sur une même branche du noyau
PCT/EP2011/001155 WO2011116884A1 (fr) 2010-03-23 2011-03-09 Agencement avec au moins deux bobines disposées l'une sur l'autre axialement sur une branche commune
CN201180014947.2A CN102792397B (zh) 2010-03-23 2011-03-09 具有在轴向上上下相叠地布置在共同的芯柱上的至少两个线圈的装置
BR112012024201-6A BR112012024201B1 (pt) 2010-03-23 2011-03-09 disposição com ao menos duas bobinas axialmente sobre postas em um flanco central comum
RU2012144801/07A RU2564403C2 (ru) 2010-03-23 2011-03-09 Система по меньшей мере с двумя катушками, расположенными в осевом направлении друг над другом на общем стержне сердечника
KR1020127024782A KR101819034B1 (ko) 2010-03-23 2011-03-09 공통 코어 림 위에 축방향으로 상하로 배열된 적어도 2개의 코일을 구비하는 장치
JP2013500363A JP5745612B2 (ja) 2010-03-23 2011-03-09 共通のコアリムに軸方向に上下に配置された少なくとも２つのコイルを有する装置
US13/624,529 US9449755B2 (en) 2010-03-23 2012-09-21 Arrangement having at least two coils which are arranged axially one above the other on a common core limb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10003059.2A EP2369602B1 (fr) 2010-03-23 2010-03-23 Agencement doté d'au moins deux bobines installées l'une sur l'autre de manière axiale sur une même branche du noyau

Publications (2)

Publication Number Publication Date
EP2369602A1 EP2369602A1 (fr) 2011-09-28
EP2369602B1 true EP2369602B1 (fr) 2013-05-29

Family

ID=42551505

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10003059.2A Active EP2369602B1 (fr) 2010-03-23 2010-03-23 Agencement doté d'au moins deux bobines installées l'une sur l'autre de manière axiale sur une même branche du noyau

Country Status (10)

Country Link
US (1) US9449755B2 (fr)
EP (1) EP2369602B1 (fr)
JP (1) JP5745612B2 (fr)
KR (1) KR101819034B1 (fr)
CN (1) CN102792397B (fr)
BR (1) BR112012024201B1 (fr)
ES (1) ES2415909T3 (fr)
PL (1) PL2369602T3 (fr)
RU (1) RU2564403C2 (fr)
WO (1) WO2011116884A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108010689A (zh) * 2018-02-05 2018-05-08 国网河南省电力公司新乡供电公司 一种干式变压器

Family Cites Families (22)

* Cited by examiner, † Cited by third party
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US2339625A (en) * 1941-12-12 1944-01-18 Gen Electric Electric apparatus
US2359544A (en) * 1942-11-28 1944-10-03 Gen Electric Insulated coil
US2924799A (en) * 1957-06-21 1960-02-09 Mc Graw Edison Co Electrical induction apparatus having graded insulation
DE1180054B (de) * 1961-11-23 1964-10-22 Licentia Gmbh Verfahren zur Herstellung von zwischen zwei Isolierzylindern gleitfaehigen Winkelringen fuer Transformatoren und Drosselspulen
US3699488A (en) * 1972-02-28 1972-10-17 Allis Chalmers Distribution transformer having static shield
JPS49145117U (fr) * 1973-04-13 1974-12-14
JPS556109Y2 (fr) * 1975-09-19 1980-02-12
SU739664A1 (ru) * 1977-06-07 1980-06-05 Предприятие П/Я В-8833 Обмотка индукционного аппарата
DE2850190A1 (de) * 1978-11-18 1980-05-29 Licentia Gmbh Hochspannungsfester uebertrager
JPS55115021U (fr) * 1979-02-09 1980-08-13
JPS59123216A (ja) * 1982-12-28 1984-07-17 Toshiba Corp 多重巻きコイルの製造装置
JPS6146719U (ja) * 1984-08-31 1986-03-28 株式会社 富士電機総合研究所 静止誘導電器のモ−ルド巻線
JPH01270306A (ja) * 1988-04-22 1989-10-27 Mitsubishi Electric Corp 巻線用ボビン
JP2668545B2 (ja) * 1988-04-26 1997-10-27 株式会社キジマ 電気巻線部品
JPH01179422U (fr) * 1988-06-07 1989-12-22
JPH08236384A (ja) * 1995-02-27 1996-09-13 Hitachi Ltd 変圧器巻線の製造方法
JP2002270439A (ja) * 2001-03-13 2002-09-20 Fdk Corp トランス
DE10238521B4 (de) * 2002-08-16 2006-01-19 Siemens Ag Wicklungsanordnung
DE102005015785A1 (de) * 2005-04-01 2006-11-16 Siemens Ag Transformator mit elektrischer Abschirmung
TWI280720B (en) * 2006-02-10 2007-05-01 Yujing Technology Co Ltd Constant frequency electric power supply apparatus
CN200953270Y (zh) * 2006-09-08 2007-09-26 中电电气集团有限公司 变压器分段多层圆筒式线圈结构
CN201117403Y (zh) * 2007-11-02 2008-09-17 中电电气集团有限公司 变压器分段箔式线圈

Also Published As

Publication number Publication date
CN102792397A (zh) 2012-11-21
PL2369602T3 (pl) 2013-10-31
BR112012024201B1 (pt) 2019-11-12
JP5745612B2 (ja) 2015-07-08
US20130021130A1 (en) 2013-01-24
CN102792397B (zh) 2016-05-25
KR20130006635A (ko) 2013-01-17
WO2011116884A1 (fr) 2011-09-29
ES2415909T3 (es) 2013-07-29
BR112012024201A2 (pt) 2016-07-05
RU2564403C2 (ru) 2015-09-27
US9449755B2 (en) 2016-09-20
EP2369602A1 (fr) 2011-09-28
KR101819034B1 (ko) 2018-02-28
JP2013522919A (ja) 2013-06-13
RU2012144801A (ru) 2014-05-10

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