FR2255687A1 - Insulating spacers for transformers or chokes - prismatic bars have cross-sections deviating from polygons by cut outs - Google Patents

Insulating spacers for transformers or chokes - prismatic bars have cross-sections deviating from polygons by cut outs

Info

Publication number
FR2255687A1
FR2255687A1 FR7441529A FR7441529A FR2255687A1 FR 2255687 A1 FR2255687 A1 FR 2255687A1 FR 7441529 A FR7441529 A FR 7441529A FR 7441529 A FR7441529 A FR 7441529A FR 2255687 A1 FR2255687 A1 FR 2255687A1
Authority
FR
France
Prior art keywords
spacers
chokes
transformers
cut outs
polygons
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
Application number
FR7441529A
Other languages
English (en)
Other versions
FR2255687B1 (fr
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.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
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 BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Publication of FR2255687A1 publication Critical patent/FR2255687A1/fr
Application granted granted Critical
Publication of FR2255687B1 publication Critical patent/FR2255687B1/fr
Granted legal-status Critical Current

Links

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
    • H01F27/322—Insulating of coils, windings, or parts thereof the insulation forming channels for circulation of the fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulating Of Coils (AREA)
FR7441529A 1973-12-19 1974-12-17 Insulating spacers for transformers or chokes - prismatic bars have cross-sections deviating from polygons by cut outs Granted FR2255687A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1781873A CH567327A5 (fr) 1973-12-19 1973-12-19

Publications (2)

Publication Number Publication Date
FR2255687A1 true FR2255687A1 (en) 1975-07-18
FR2255687B1 FR2255687B1 (fr) 1978-06-23

Family

ID=4428333

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7441529A Granted FR2255687A1 (en) 1973-12-19 1974-12-17 Insulating spacers for transformers or chokes - prismatic bars have cross-sections deviating from polygons by cut outs

Country Status (4)

Country Link
BR (1) BR7410543D0 (fr)
CH (1) CH567327A5 (fr)
DE (1) DE2401237A1 (fr)
FR (1) FR2255687A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0037500A1 (fr) * 1980-03-21 1981-10-14 W. Meffert KG Carcasse pour enroulement électrique refroidi à l'air
WO2009138095A1 (fr) * 2008-05-13 2009-11-19 Abb Technology Ag Transformateur sec

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3101217C2 (de) * 1981-01-16 1984-08-23 Smit Transformatoren B.V., Nijmegen Wicklung für einen Trockentransformator mit Abstandshalteanordnung
SE529250C2 (sv) * 2005-09-29 2007-06-12 Abb Technology Ltd Transformator med optimerade distansorgan
DE102007014360A1 (de) * 2007-03-26 2008-10-02 Abb Technology Ag Abstandhalter für Wicklungen
DE102011118256A1 (de) 2011-11-11 2013-05-16 Isotek Gmbh Kühlkanal für Leiterplatten
WO2014135205A1 (fr) 2013-03-06 2014-09-12 Siemens Ag Österreich Transformateur électrique ou bobine de choc ainsi que structure bobinée comprenant une pièce d'écartement
US9214273B2 (en) 2013-06-11 2015-12-15 Abb Technology Ag Radial drop winding for open-wound medium voltage dry type transformers with improved support structure
WO2015088796A1 (fr) * 2013-12-10 2015-06-18 Abb Technology Ag Enroulement à dépôt radial pour transformateurs de type sec à moyenne tension à enroulement ouvert à structure de support améliorée
CN107004494B (zh) * 2014-11-21 2018-10-19 Abb瑞士股份有限公司 电绝缘系统和包括该电绝缘系统的电磁感应装置
EP3839987B1 (fr) * 2019-12-18 2024-04-17 Hitachi Energy Ltd Procédé et structure de conducteur pour fabriquer un enroulement électrique d'un appareil à induction électromagnétique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0037500A1 (fr) * 1980-03-21 1981-10-14 W. Meffert KG Carcasse pour enroulement électrique refroidi à l'air
WO2009138095A1 (fr) * 2008-05-13 2009-11-19 Abb Technology Ag Transformateur sec
US8310330B2 (en) 2008-05-13 2012-11-13 Abb Technology Ag Dry-type transformer

Also Published As

Publication number Publication date
CH567327A5 (fr) 1975-09-30
BR7410543D0 (pt) 1975-09-02
FR2255687B1 (fr) 1978-06-23
DE2401237A1 (de) 1975-07-03

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Legal Events

Date Code Title Description
ST Notification of lapse