EP2405451B1 - Mehrphasiger Trocken-Transformator mit mindestens zwei Spulen - Google Patents

Mehrphasiger Trocken-Transformator mit mindestens zwei Spulen Download PDF

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Publication number
EP2405451B1
EP2405451B1 EP10007133.1A EP10007133A EP2405451B1 EP 2405451 B1 EP2405451 B1 EP 2405451B1 EP 10007133 A EP10007133 A EP 10007133A EP 2405451 B1 EP2405451 B1 EP 2405451B1
Authority
EP
European Patent Office
Prior art keywords
dry
barrier
type transformer
polyphase
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
EP10007133.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2405451A1 (de
Inventor
Rafael Murillo
Carlos Roy
Marcos Bockholt
Frank Cornelius
Burak Esenlik
Bhavesh Patel
Jens Tepper
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
Priority to EP10007133.1A priority Critical patent/EP2405451B1/de
Application filed by ABB Schweiz AG filed Critical ABB Schweiz AG
Priority to ES10007133.1T priority patent/ES2666328T3/es
Priority to CN201180034192.2A priority patent/CN102971810B/zh
Priority to KR1020127032977A priority patent/KR101825984B1/ko
Priority to PCT/EP2011/003160 priority patent/WO2012007101A1/de
Priority to BR112013000645-5A priority patent/BR112013000645B1/pt
Publication of EP2405451A1 publication Critical patent/EP2405451A1/de
Priority to US13/737,705 priority patent/US9214265B2/en
Application granted granted Critical
Publication of EP2405451B1 publication Critical patent/EP2405451B1/de
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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/06—Insulation of windings
    • 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
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H01F30/12—Two-phase, three-phase or polyphase transformers

Definitions

  • the invention relates to a multiphase dry-type transformer with at least two coils.
  • the three coils are arranged in electrically safe distance next to each other. Especially at high voltages, the necessary distances between the coils associated with the three phases become relatively large in order to withstand the voltage stresses in the surge voltage test. Overall, this leads to a less compact design of the transformer.
  • the Patent US 3302 149 A discloses a three-phase transformer with plate-like insulating elements inserted between the adjacent windings.
  • the patent CN 101645348 A discloses a polyphase transformer with intermediate barriers held by holders.
  • the patent CS 271050 B1 discloses a transformer winding having a plurality of hollow cylindrical interleaved winding modules, wherein barriers are disposed in a gap formed therebetween.
  • the Patent US 4837543 A discloses a single-phase transformer having a carrier-like isolation element for spacing adjacent sides of a winding module.
  • the patent WO 2009/138099 A1 discloses a polygonal toroidal transformer with winding modules, wherein plate-like insulating elements are arranged between the winding modules.
  • the invention has for its object to provide a multi-phase dry-type transformer with at least two coils, which allows a compact design even at high voltages.
  • Two coils can also be used for a single-phase transformer in which a coil is placed on a core with two legs on each leg.
  • each gap can be used both a single barrier and a plurality of juxtaposed barriers.
  • the latter can be interconnected by spacers, which are preferably not arranged in the edge region, in order to increase the creepage path as efficiently as possible.
  • spacers which are preferably not arranged in the edge region, in order to increase the creepage path as efficiently as possible.
  • Fig. 11 shows in addition to the FIGS. 7 and 9 a side view of a spacer 13 or 23 with block 14, groove 15 or 24 and three parallel insulation plates 16, wherein the bottom side 17 of the pad 14 comes into contact with a presser bar / yoke.
  • Fig. 12 shows in addition to Fig. 11 a side view of a practical application of a spacer 13 or 23 with an inserted into the groove 15 or 24 configuration "plate 7 + spacer 9 + plate 8" to provide the inter-phase barrier.
  • Fig. 13 shows in addition to the FIGS. 8 and 10 a side view of a spacer 19 or 26 with block 14, groove 20 or 27, groove 21 or 28 and three parallel insulation plates 16, wherein the bottom side 17 of the pad 14 comes into contact with a presser bar / yoke.
  • Fig. 14 shows in addition to Fig. 13 a side view of a practical application of a spacer 19 or 26 with an inserted into the groove 20 or 27 plate 7 and with an inserted into the groove 21 or 28 plate 8 to provide the inter-phase barrier.
  • FIG. 15 16 different embodiments of equipped with spacers between-phase barriers are shown.
  • an inter-phase barrier created between coils 1 and 2 which is formed from a "plate 7 + a plurality of spacers 9 + plate 8" configuration, this configuration at its lower and upper outer edges respectively into the grooves 15 of spacers 13 is inserted.
  • Fig. 16 is shown between the coils 2 and 3 created between-phase barrier, which is formed of two plates 7, 8, said plates are inserted at its lower and upper outer edge in the corner regions in the grooves 27, 28 of spacers 26.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulating Of Coils (AREA)
  • Coils Of Transformers For General Uses (AREA)
EP10007133.1A 2010-07-10 2010-07-10 Mehrphasiger Trocken-Transformator mit mindestens zwei Spulen Active EP2405451B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ES10007133.1T ES2666328T3 (es) 2010-07-10 2010-07-10 Transformador de tipo seco multifásico con al menos dos bobinas
EP10007133.1A EP2405451B1 (de) 2010-07-10 2010-07-10 Mehrphasiger Trocken-Transformator mit mindestens zwei Spulen
KR1020127032977A KR101825984B1 (ko) 2010-07-10 2011-06-28 적어도 두개의 코일들을 갖는 단상 또는 다상 건식 변압기
PCT/EP2011/003160 WO2012007101A1 (de) 2010-07-10 2011-06-28 Ein- oder mehrphasiger trocken-transformator mit mindestens zwei spulen
CN201180034192.2A CN102971810B (zh) 2010-07-10 2011-06-28 具有至少两个线圈的单相或多相干式变压器
BR112013000645-5A BR112013000645B1 (pt) 2010-07-10 2011-06-28 Transformador de tipo seco multifásico
US13/737,705 US9214265B2 (en) 2010-07-10 2013-01-09 Single- or multi-phase dry-type transformer having at least two coils

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10007133.1A EP2405451B1 (de) 2010-07-10 2010-07-10 Mehrphasiger Trocken-Transformator mit mindestens zwei Spulen

Publications (2)

Publication Number Publication Date
EP2405451A1 EP2405451A1 (de) 2012-01-11
EP2405451B1 true EP2405451B1 (de) 2018-01-24

Family

ID=43416533

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10007133.1A Active EP2405451B1 (de) 2010-07-10 2010-07-10 Mehrphasiger Trocken-Transformator mit mindestens zwei Spulen

Country Status (6)

Country Link
US (1) US9214265B2 (ko)
EP (1) EP2405451B1 (ko)
KR (1) KR101825984B1 (ko)
BR (1) BR112013000645B1 (ko)
ES (1) ES2666328T3 (ko)
WO (1) WO2012007101A1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016125112A1 (de) 2016-12-21 2018-06-21 Abb Schweiz Ag Transformator zur Verwendung an Masten
EP3499527B1 (en) 2017-12-14 2020-10-28 Andrea Giorgio Colombo Barrier support for supporting an electrically insulating barrier between windings of a dry insulated electric transformer

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2092779A (en) * 1934-12-11 1937-09-14 John A Rietmann Transformer
US3302149A (en) * 1964-09-30 1967-01-31 Westinghouse Electric Corp Electrical insulating structure
US3579162A (en) * 1969-11-28 1971-05-18 Gen Electric Winding duct construction for power transformer
US3789337A (en) * 1971-12-17 1974-01-29 Westinghouse Electric Corp Insulation structure for electrical apparatus
US3713061A (en) * 1972-03-24 1973-01-23 Ite Imperial Corp Insulation structure transformer windings
US4245206A (en) * 1977-03-26 1981-01-13 Hitachi, Ltd. Winding structure for static electrical induction apparatus
US4173747A (en) * 1978-06-08 1979-11-06 Westinghouse Electric Corp. Insulation structures for electrical inductive apparatus
US4673907A (en) * 1985-12-19 1987-06-16 General Electric Company Transformer with amorphous alloy core having chip containment means
US4837543A (en) * 1988-09-28 1989-06-06 Cooper Power Systems, Inc. Transformer core and coil support assembly
CS271050B1 (en) * 1989-01-31 1991-07-11 Frank Jaroslav Electrically and thermally insulation system of dry transformers' windings with higher outputs
SE512060C2 (sv) 1997-02-03 2000-01-17 Abb Ab Lindning, förfarande för framställning av en sådan samt krafttransformator eller reaktor
US6424246B1 (en) * 1999-12-02 2002-07-23 Mcgraw-Edison Company Transformer core and coil support
WO2009138099A1 (de) * 2008-05-13 2009-11-19 Abb Technology Ag Koppelung von transformatorwicklungsmodulen
CN101645348A (zh) * 2008-08-08 2010-02-10 海南金盘电气有限公司 风力发电三相干式变压器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
US9214265B2 (en) 2015-12-15
ES2666328T3 (es) 2018-05-04
KR101825984B1 (ko) 2018-02-08
WO2012007101A1 (de) 2012-01-19
CN102971810A (zh) 2013-03-13
EP2405451A1 (de) 2012-01-11
US20130127582A1 (en) 2013-05-23
BR112013000645A2 (pt) 2016-05-31
KR20130098892A (ko) 2013-09-05
BR112013000645B1 (pt) 2020-02-27

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