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 outsInfo
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1781873A CH567327A5 (US06815460-20041109-C00097.png) | 1973-12-19 | 1973-12-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2255687A1 true FR2255687A1 (en) | 1975-07-18 |
FR2255687B1 FR2255687B1 (US06815460-20041109-C00097.png) | 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 (US06815460-20041109-C00097.png) |
CH (1) | CH567327A5 (US06815460-20041109-C00097.png) |
DE (1) | DE2401237A1 (US06815460-20041109-C00097.png) |
FR (1) | FR2255687A1 (US06815460-20041109-C00097.png) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0037500A1 (de) * | 1980-03-21 | 1981-10-14 | W. Meffert KG | Spulengestell für luftgekühlte elektrische Wicklungen |
WO2009138095A1 (de) * | 2008-05-13 | 2009-11-19 | Abb Technology Ag | Trockentransformator |
Families Citing this family (9)
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 (de) | 2013-03-06 | 2014-09-12 | Siemens Ag Österreich | Elektrischer transformator oder drossel sowie wicklungsanordnung mit abstandshalter |
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 (en) * | 2013-12-10 | 2015-06-18 | Abb Technology Ag | Radial drop winding for open-wound medium voltage dry type transformers with improved support structure |
EP3221872B1 (en) * | 2014-11-21 | 2020-04-01 | ABB Power Grids Switzerland AG | Electrical insulation system and electromagnetic induction device comprising the same |
EP3839987B1 (en) * | 2019-12-18 | 2024-04-17 | Hitachi Energy Ltd | Method and conductor structure for manufacturing an electric winding of an electromagnetic induction apparatus |
-
1973
- 1973-12-19 CH CH1781873A patent/CH567327A5/xx not_active IP Right Cessation
-
1974
- 1974-01-11 DE DE19742401237 patent/DE2401237A1/de active Pending
- 1974-12-17 FR FR7441529A patent/FR2255687A1/fr active Granted
- 1974-12-17 BR BR1054374A patent/BR7410543D0/pt unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0037500A1 (de) * | 1980-03-21 | 1981-10-14 | W. Meffert KG | Spulengestell für luftgekühlte elektrische Wicklungen |
WO2009138095A1 (de) * | 2008-05-13 | 2009-11-19 | Abb Technology Ag | Trockentransformator |
US8310330B2 (en) | 2008-05-13 | 2012-11-13 | Abb Technology Ag | Dry-type transformer |
Also Published As
Publication number | Publication date |
---|---|
DE2401237A1 (de) | 1975-07-03 |
BR7410543D0 (pt) | 1975-09-02 |
CH567327A5 (US06815460-20041109-C00097.png) | 1975-09-30 |
FR2255687B1 (US06815460-20041109-C00097.png) | 1978-06-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |