EP2769389A4 - Wound transformer core and method of manufacture - Google Patents
Wound transformer core and method of manufactureInfo
- Publication number
- EP2769389A4 EP2769389A4 EP12841237.6A EP12841237A EP2769389A4 EP 2769389 A4 EP2769389 A4 EP 2769389A4 EP 12841237 A EP12841237 A EP 12841237A EP 2769389 A4 EP2769389 A4 EP 2769389A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- manufacture
- transformer core
- wound transformer
- wound
- core
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
-
- 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
- H01F27/24—Magnetic cores
- H01F27/25—Magnetic cores made from strips or ribbons
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161627916P | 2011-10-19 | 2011-10-19 | |
US201261634123P | 2012-02-22 | 2012-02-22 | |
PCT/US2012/000520 WO2013058808A2 (en) | 2011-10-19 | 2012-10-18 | Wound transformer core and method of manufacture |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2769389A2 EP2769389A2 (en) | 2014-08-27 |
EP2769389A4 true EP2769389A4 (en) | 2015-06-17 |
Family
ID=48141588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12841237.6A Withdrawn EP2769389A4 (en) | 2011-10-19 | 2012-10-18 | Wound transformer core and method of manufacture |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2769389A4 (en) |
BR (1) | BR112014009610A2 (en) |
CA (1) | CA2853037A1 (en) |
WO (1) | WO2013058808A2 (en) |
ZA (1) | ZA201403037B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104252954A (en) * | 2014-06-25 | 2014-12-31 | 上海置信电气非晶有限公司 | Broken-yoke iron core of three-phase amorphous alloy transformer |
CN114023539B (en) * | 2021-11-03 | 2023-04-07 | 无锡普天铁心股份有限公司 | Method capable of saving transformer core material |
CN115222157B (en) * | 2022-09-06 | 2023-11-07 | 江阴市晶磁电子有限公司 | Intelligent prediction device for iron core data of current transformer |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2411374A (en) * | 1943-01-07 | 1946-11-19 | Westinghouse Electric Corp | Magnetic core structure for threephase transformers |
US2465798A (en) * | 1946-03-28 | 1949-03-29 | Gen Electric | Magnetic core |
US2498747A (en) * | 1944-09-20 | 1950-02-28 | Mcgraw Electric Co | Electromagnetic device and method of making the same |
DE2702455A1 (en) * | 1977-01-21 | 1978-07-27 | Andreev | Three=phase transformer core - has three rectangular rings with parallel sides adjacent, to form triangular prism shape |
US4557039A (en) * | 1979-10-19 | 1985-12-10 | Susan V. Manderson | Method of manufacturing transformer cores |
EP0518565A1 (en) * | 1991-06-10 | 1992-12-16 | Gec Alsthom Limited | Method of making distribution transformers |
US5210930A (en) * | 1991-08-05 | 1993-05-18 | Denki Tetsushin Industries Co., Ltd. | Method of manufacturing wound core |
US20110248808A1 (en) * | 2010-04-07 | 2011-10-13 | Abb Technology Ag | Outdoor dry-type transformer |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0269347B1 (en) * | 1986-11-22 | 1993-01-20 | Kitamura Kiden Co., Ltd. | Wound core having cross section periphery with circular and elliptic portions |
DE4100210C2 (en) * | 1990-04-06 | 1993-10-28 | Gen Electric | Method of making a transformer winding |
JP3752978B2 (en) * | 2000-08-09 | 2006-03-08 | ウシオ電機株式会社 | Winding device and high voltage pulse generation circuit using winding device |
-
2012
- 2012-10-18 EP EP12841237.6A patent/EP2769389A4/en not_active Withdrawn
- 2012-10-18 BR BR112014009610A patent/BR112014009610A2/en not_active Application Discontinuation
- 2012-10-18 WO PCT/US2012/000520 patent/WO2013058808A2/en active Application Filing
- 2012-10-18 CA CA2853037A patent/CA2853037A1/en not_active Abandoned
-
2014
- 2014-04-25 ZA ZA2014/03037A patent/ZA201403037B/en unknown
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2411374A (en) * | 1943-01-07 | 1946-11-19 | Westinghouse Electric Corp | Magnetic core structure for threephase transformers |
US2498747A (en) * | 1944-09-20 | 1950-02-28 | Mcgraw Electric Co | Electromagnetic device and method of making the same |
US2465798A (en) * | 1946-03-28 | 1949-03-29 | Gen Electric | Magnetic core |
DE2702455A1 (en) * | 1977-01-21 | 1978-07-27 | Andreev | Three=phase transformer core - has three rectangular rings with parallel sides adjacent, to form triangular prism shape |
US4557039A (en) * | 1979-10-19 | 1985-12-10 | Susan V. Manderson | Method of manufacturing transformer cores |
EP0518565A1 (en) * | 1991-06-10 | 1992-12-16 | Gec Alsthom Limited | Method of making distribution transformers |
US5210930A (en) * | 1991-08-05 | 1993-05-18 | Denki Tetsushin Industries Co., Ltd. | Method of manufacturing wound core |
US5210930B1 (en) * | 1991-08-05 | 1997-11-18 | Denki Tetsushin Kogyo Kk | Method of manufacturing wound core |
US20110248808A1 (en) * | 2010-04-07 | 2011-10-13 | Abb Technology Ag | Outdoor dry-type transformer |
Also Published As
Publication number | Publication date |
---|---|
WO2013058808A2 (en) | 2013-04-25 |
CA2853037A1 (en) | 2013-04-25 |
EP2769389A2 (en) | 2014-08-27 |
BR112014009610A2 (en) | 2017-05-09 |
ZA201403037B (en) | 2016-02-24 |
WO2013058808A3 (en) | 2014-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20140425 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
R17P | Request for examination filed (corrected) |
Effective date: 20140902 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20150519 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H01F 27/24 20060101AFI20150512BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20151219 |