EP2549495B1 - Transformateur à sec - Google Patents

Transformateur à sec Download PDF

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Publication number
EP2549495B1
EP2549495B1 EP11005855.9A EP11005855A EP2549495B1 EP 2549495 B1 EP2549495 B1 EP 2549495B1 EP 11005855 A EP11005855 A EP 11005855A EP 2549495 B1 EP2549495 B1 EP 2549495B1
Authority
EP
European Patent Office
Prior art keywords
winding
dry
type transformer
transformer according
segment
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
EP11005855.9A
Other languages
German (de)
English (en)
Other versions
EP2549495A1 (fr
Inventor
Marcos Bockholt
Michael Luckey
Wolfgang Mönig
Benjamin Weber
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 Schweiz AG
Original Assignee
ABB Schweiz 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
Application filed by ABB Schweiz AG filed Critical ABB Schweiz AG
Priority to ES11005855.9T priority Critical patent/ES2679821T3/es
Priority to EP11005855.9A priority patent/EP2549495B1/fr
Priority to PCT/EP2012/002555 priority patent/WO2013010611A1/fr
Priority to CN201280035579.4A priority patent/CN103688322B/zh
Publication of EP2549495A1 publication Critical patent/EP2549495A1/fr
Priority to US14/158,084 priority patent/US9761366B2/en
Application granted granted Critical
Publication of EP2549495B1 publication Critical patent/EP2549495B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • 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
    • H01F27/025—Constructional details relating to cooling
    • 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
    • H01F27/2876—Cooling
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/327—Encapsulating or impregnating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • 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 a dry-type transformer for mobile applications, comprising a transformer core and at least one radially inner first and one radially outer second wound around a common winding axis and penetrated by the transformer core hollow cylindrical winding segment, which are nested and radially spaced from each other, so that between a hollow cylindrical Cooling channel is pronounced, wherein spacer elements are provided for spacing, which are arranged such that the cooling channel can be flowed through in the axial direction of a coolant.
  • Energy supply systems for mobile consumers are typically constructed in a single phase, ie the supply takes place via a single supply line, wherein the return line then takes place via the metallic rail.
  • the return line then takes place via the metallic rail.
  • two supply lines are usually provided due to the non-existent and usable as a return rail rail.
  • the network frequency in such applications at least in Europe 16 2/3 Hertz, in some cases, such as S-Bru also isolated DC voltage is used.
  • a dry-type transformer as defined in claim 1.
  • an alternative cooling system is provided, which works without oil but preferably with air. Due to the lower heat capacity of air, a significantly enlarged contact surface of the transformer winding to the cooling medium is therefore provided according to the invention. Furthermore, an increased coolant throughput, for example by means of a blower, is advantageous.
  • the transformer lying, so that the winding axis of the windings thus extends in a horizontal plane.
  • a particularly flat and more planar construction of the transformer is achieved, which accommodates the available flat but rather large space in the underfloor area.
  • the at least one first and the at least one second winding segment are galvanically connected in series, so that an autotransformer is formed.
  • This optionally has several taps and is characterized by a particularly high power density.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Transformer Cooling (AREA)

Claims (12)

  1. Transformateur de type sec (70, 90) destiné à des applications mobiles, comprenant un noyau de transformateur (52, 86, 92) et au moins un premier segment de bobinage intérieur dans le sens radial (34, 54) et au moins un deuxième segment de bobinage extérieur dans le sens radial (32, 58), lesdits segments de bobinage étant cylindriques creux, bobinés autour d'un axe de bobinage commun et traversés par le noyau de transformateur (86, 92), lesdits segments de bobinage étant imbriqués les uns dans les autres et espacés les uns des autres dans le sens radial de manière à former entre eux un conduit de refroidissement cylindrique creux (10, 60, 62), dans lequel, pour l'espacement, il est prévu des éléments espaceurs (24, 26, 28, 40, 42) disposés de telle manière à ce qu'un fluide réfrigérant puisse s'écouler dans le sens axial dans le conduit de refroidissement (10, 60, 62),
    caractérisé en ce que les éléments espaceurs (24, 26, 28, 40, 42) sont disposés le long de la circonférence radiale du conduit de refroidissement (10, 60, 62), sur toute sa longueur axiale, dans le sens radial par rapport à une surface d'appui préférentielle (44) respective sur la surface extérieure dudit au moins un deuxième segment de bobinage (32, 58), de manière à obtenir une résistance radiale accrue dans les zones correspondantes du conduit de refroidissement (10, 60, 62) et à ce qu'il ne se produise aucune déformation du conduit de refroidissement (10, 60, 62) lorsque la partie du poids du transformateur de type sec agencée de manière à ce que son axe de bobinage soit orienté verticalement, soit exclusivement absorbée par la surface d'appui préférentielle (44).
  2. Transformateur de type sec selon la revendication 1, caractérisé en ce que les éléments espaceurs (24, 26, 28, 40, 42) sont réalisés sous une forme analogue à une barrette ou à un conduit et s'étendent de préférence le long de l'axe de bobinage.
  3. Transformateur de type sec selon l'une des revendications 1 ou 2, caractérisé en ce que les éléments espaceurs (24, 26, 28, 40, 42) sont réalisés sous la forme d'éléments de support ponctuels.
  4. Transformateur de type sec selon l'une des revendications précédentes, caractérisé en ce qu'il est prévu un troisième segment de bobinage respectif cylindrique creux (56) imbriqué entre le premier segment de bobinage (34, 54) respectif et le deuxième segment de bobinage (32, 58) respectif, dans lequel il est prévu un canal de refroidissement (10, 60, 62) respectif entre les segments de bobinage (32, 34, 54, 56, 58) respectifs.
  5. Transformateur de type sec selon la revendication 4, caractérisé en ce que ledit au moins un premier segment de bobinage intérieur dans le sens radial (34, 54) et ledit au moins un deuxième segment de bobinage extérieur dans le sens radial (32, 58) sont prévus pour les sous-tensions et en ce que l'au moins un troisième segment de bobinage intermédiaire dans le sens radial (56) est prévu pour les surtensions.
  6. Transformateur de type sec selon l'une des revendications précédentes, caractérisé en ce que le noyau de transformateur (52, 86, 92) comporte exactement deux branches (52) autour desquelles sont respectivement disposés au moins un premier segment de bobinage (34, 54) et un deuxième segment de bobinage (32, 58).
  7. Transformateur de type sec selon l'une des revendications précédentes, caractérisé en ce que celui-ci est disposé dans un boîtier (72, 112) enveloppant ce dernier, lequel boîtier comporte une ouverture d'entrée (98) et une ouverture de sortie (100), dans lequel il est prévu à l'intérieur du boîtier (72, 112) des déflecteurs d'air (74, 106, 108, 110) disposés de manière à ce que du fluide de refroidissement pénétrant par l'intermédiaire de l'ouverture d'entrée (98) soit guidé vers l'ouverture de sortie en serpentant le long de segments de bobinage imbriqués (30) respectifs à travers le boîtier (72, 112) ou à travers les conduits de refroidissement (10, 60, 62) ou des conduits de refroidissement (16, 18, 20, 22, 36, 38) formés dans ceux-ci.
  8. Transformateur de type sec selon la revendication 7, caractérisé en ce que le boîtier (72, 112) et des structures de support utilisées dans celui-ci sont conçus sous la forme d'une construction légère.
  9. Transformateur de type sec selon l'une des revendications précédentes, caractérisé en ce qu'il est prévu des éléments de support (78) absorbant les vibrations et adaptés à la forme de la surface d'appui préférentielle (44) respective, par lesquels le transformateur de type sec est supporté et/ou fixé sur les surfaces d'appui préférentielles (44).
  10. Transformateur de type sec selon l'une des revendications précédentes, caractérisé en ce que des segments de bobinage imbriqués les uns dans les autres (30) sont moulés les uns avec les autres.
  11. Transformateur de type sec selon l'une des revendications précédentes, caractérisé en ce que des premiers segments de bobinage (34, 54) respectifs, des deuxièmes segments de bobinage (32, 58) respectifs et/ou des troisièmes segments de bobinage (56) respectifs sont reliés les uns aux autres de manière galvanique.
  12. Transformateur de type sec selon l'une des revendications 1 à 10, caractérisé en ce que ledit au moins un premier segment de bobinage (34, 54) et ledit au moins un deuxième segment de bobinage (32, 58) sont connectés en série de manière galvanique de manière à former un autotransformateur.
EP11005855.9A 2011-07-18 2011-07-18 Transformateur à sec Active EP2549495B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES11005855.9T ES2679821T3 (es) 2011-07-18 2011-07-18 Transformador seco
EP11005855.9A EP2549495B1 (fr) 2011-07-18 2011-07-18 Transformateur à sec
PCT/EP2012/002555 WO2013010611A1 (fr) 2011-07-18 2012-06-16 Transformateur de type sec
CN201280035579.4A CN103688322B (zh) 2011-07-18 2012-06-16 干式变压器
US14/158,084 US9761366B2 (en) 2011-07-18 2014-01-17 Dry-type transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11005855.9A EP2549495B1 (fr) 2011-07-18 2011-07-18 Transformateur à sec

Publications (2)

Publication Number Publication Date
EP2549495A1 EP2549495A1 (fr) 2013-01-23
EP2549495B1 true EP2549495B1 (fr) 2018-05-23

Family

ID=46331214

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11005855.9A Active EP2549495B1 (fr) 2011-07-18 2011-07-18 Transformateur à sec

Country Status (5)

Country Link
US (1) US9761366B2 (fr)
EP (1) EP2549495B1 (fr)
CN (1) CN103688322B (fr)
ES (1) ES2679821T3 (fr)
WO (1) WO2013010611A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2827346B1 (fr) * 2013-07-17 2016-11-16 ABB Schweiz AG Transformateur sec
JP6416504B2 (ja) * 2014-05-26 2018-10-31 東芝産業機器システム株式会社 モールド形静止誘導機器およびその製造方法
CN104240929A (zh) * 2014-09-18 2014-12-24 江苏科兴电器有限公司 一种单相浇注式组合计量干式互感器
ES2798303T3 (es) 2014-10-07 2020-12-10 Abb Power Grids Switzerland Ag Transformador para vehículo
DE102016118149A1 (de) * 2016-09-26 2018-03-29 Abb Schweiz Ag Transformator
EP3343575B1 (fr) * 2016-12-28 2020-03-18 ABB Schweiz AG Compensateur de pression d'une installation sous-marine
DE102017102436A1 (de) 2017-02-08 2018-08-09 Abb Schweiz Ag Trockentransformator mit Luftkühlung
MX2019015008A (es) * 2017-06-13 2020-02-26 Radyne Corp Ensamble de autotransformador portatil toroidal.
EP3666728A4 (fr) * 2017-08-09 2021-03-24 Toshiba Mitsubishi-Electric Industrial Systems Corporation Système d'utilisation de gaz d'ozone
WO2019068768A1 (fr) * 2017-10-04 2019-04-11 Scandinova Systems Ab Agencement et transformateur comprenant l'agencement
CN108512168B (zh) * 2018-05-16 2019-11-22 江苏凯西电气设备科技有限公司 一种变压器母线防护装置
CN109346271B (zh) * 2018-11-14 2024-02-23 江苏思源赫兹互感器有限公司 一种升压变压器
EP3660874B1 (fr) * 2018-11-29 2022-04-13 Hitachi Energy Switzerland AG Transformateur à sec
CN110124200B (zh) * 2019-04-01 2023-07-18 天津博雅信息科技有限公司 一种磁刺激线圈双面液冷装置
KR102077039B1 (ko) * 2020-01-07 2020-02-14 알앤알 주식회사 필 카펫의 스페이서 위치결정용 템플레이트
CN113571296A (zh) * 2021-07-05 2021-10-29 广东中顺电气制造有限公司 一种干式变压器使用的通用气道绝缘板及其制造方法

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Also Published As

Publication number Publication date
US20140132381A1 (en) 2014-05-15
CN103688322B (zh) 2016-06-29
US9761366B2 (en) 2017-09-12
EP2549495A1 (fr) 2013-01-23
WO2013010611A1 (fr) 2013-01-24
CN103688322A (zh) 2014-03-26
ES2679821T3 (es) 2018-08-31

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