NO812873L - Laminert transformator-kjerne - Google Patents
Laminert transformator-kjerneInfo
- Publication number
- NO812873L NO812873L NO812873A NO812873A NO812873L NO 812873 L NO812873 L NO 812873L NO 812873 A NO812873 A NO 812873A NO 812873 A NO812873 A NO 812873A NO 812873 L NO812873 L NO 812873L
- Authority
- NO
- Norway
- Prior art keywords
- silicon steel
- oriented silicon
- steel plate
- transformer core
- orientation
- Prior art date
Links
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 68
- 239000011162 core material Substances 0.000 description 22
- 238000005096 rolling process Methods 0.000 description 7
- 230000004907 flux Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- H01F27/24—Magnetic cores
-
- 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
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Soft Magnetic Materials (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56010870A JPS57126112A (en) | 1981-01-29 | 1981-01-29 | Laminated iron core for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO812873L true NO812873L (no) | 1982-07-30 |
Family
ID=11762368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO812873A NO812873L (no) | 1981-01-29 | 1981-08-25 | Laminert transformator-kjerne |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US4422061A (es) |
| JP (1) | JPS57126112A (es) |
| KR (1) | KR870002063B1 (es) |
| AT (1) | AT380123B (es) |
| AU (1) | AU7467481A (es) |
| BE (1) | BE890989A (es) |
| BR (1) | BR8106514A (es) |
| CA (1) | CA1173125A (es) |
| CH (1) | CH658144A5 (es) |
| DE (1) | DE3142781C2 (es) |
| ES (1) | ES8303809A1 (es) |
| FR (1) | FR2498804B1 (es) |
| GB (1) | GB2092389B (es) |
| IT (1) | IT1144870B (es) |
| NO (1) | NO812873L (es) |
| SE (1) | SE452521B (es) |
| YU (1) | YU217681A (es) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5798001A (en) * | 1995-12-28 | 1998-08-25 | Ltv Steel Company, Inc. | Electrical steel with improved magnetic properties in the rolling direction |
| US6231685B1 (en) | 1995-12-28 | 2001-05-15 | Ltv Steel Company, Inc. | Electrical steel with improved magnetic properties in the rolling direction |
| US6100783A (en) * | 1999-02-16 | 2000-08-08 | Square D Company | Energy efficient hybrid core |
| US6456184B1 (en) | 2000-12-29 | 2002-09-24 | Abb Inc. | Reduced-cost core for an electrical-power transformer |
| DE10132718A1 (de) * | 2001-07-05 | 2003-02-13 | Abb T & D Tech Ltd | Verfahren zum Bewickeln eines Dreiphasen-Kabeltransformators mit Koaxialkabel und Wickelvorrichtung hierzu |
| WO2009030779A1 (en) * | 2007-09-07 | 2009-03-12 | Thyssenkrupp Electrical Steel Gmbh | Magnetic core and use of magnetic core for electrical machines |
| WO2010140381A1 (ja) * | 2009-06-04 | 2010-12-09 | 新日本製鐵株式会社 | 電力機器用鉄心及びその製造方法 |
| WO2012110085A1 (de) * | 2011-02-16 | 2012-08-23 | Siemens Aktiengesellschaft | Magnetischer kern gebildet aus blechlamellen mit unterschiedlicher kornorientierung |
| KR101715664B1 (ko) * | 2015-07-15 | 2017-03-14 | 현대중공업 주식회사 | 변압기의 철심 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1698634A (en) * | 1928-01-24 | 1929-01-08 | Gen Electric | Electrical induction apparatus |
| US2489977A (en) * | 1946-12-03 | 1949-11-29 | Harry F Porter | Laminated core |
| DE841167C (de) * | 1950-04-25 | 1952-06-13 | Siemens Ag | Eisenkern fuer Transformatoren grosser Leistung |
| DE909600C (de) * | 1951-09-27 | 1954-04-22 | Rudolf Dobbertin | Starkstrom-Drosselspule |
| FR1076278A (fr) * | 1953-02-28 | 1954-10-25 | Le Transformateur | Circuit magnétique perfectionné, notamment pour transformateur électrique triphasé |
| FR65128E (fr) * | 1954-01-13 | 1956-01-26 | Le Transformateur | Circuit magnétique perfectionné, notamment pour transformateur électrique triphasé |
| DE1488357B2 (de) * | 1964-08-01 | 1970-02-05 | Siemens AG, 1000 Berlin u. 8000 München | Viereckiger, geschichteter und mindestens drei Schenkel aufweisender, ebener Eisenkern für elektrische Induktionsapparate, insbesondere Transformatoren |
| DE1247468B (de) * | 1964-12-05 | 1967-08-17 | Siemens Ag | Drei- oder mehrschenkliger, aus kornorientierten Blechen geschichteter Kern fuer Transformatoren, Drosselspulen od. dgl. elektrische Induktionsgeraete |
| DE1295055B (de) * | 1965-05-12 | 1969-05-14 | Siemens Ag | Drei- oder mehrschenkliger, ganz aus kornorientierten, rechteckig zugeschnittenen Blechen geschichteter Magnetkern fuer Transformatoren und Drosselspulen |
| FR1459495A (fr) * | 1965-12-03 | 1966-04-29 | Siemens Ag | Circuit magnétique feuilleté à trois ou plus de trois noyaux, constitué par des tôles à cristaux orientés |
| DE1538227B2 (de) * | 1966-01-11 | 1971-12-16 | VEB Transformatoren und Röntgen werk Dresden, χ 8030 Dresden | Verfahren zur herstellung eines aus einzelblechen geschich teten kernes fuer transformatoren drosselspulen und dergl induktionsgeraete |
| US3990924A (en) * | 1972-08-01 | 1976-11-09 | Nippon Steel Corporation | Method for producing high magnetic flux density grain-oriented electrical steel sheet and strips having excellent characteristics |
| US3878495A (en) * | 1974-07-02 | 1975-04-15 | Westinghouse Electric Corp | Magnetic core for electrical inductive apparatus |
| US4100521A (en) * | 1975-04-15 | 1978-07-11 | Hitachi, Ltd. | Iron core for induction apparatuses |
| JPS6011545B2 (ja) * | 1977-07-05 | 1985-03-26 | ソニー株式会社 | 自励式ｄｃ−ｄｃコンバ−タ用の発振トランス |
| JPS5484229A (en) * | 1977-12-19 | 1979-07-05 | Nippon Steel Corp | Reducing method of iron loss of three phase transformer iron core |
| DE2814933C2 (de) * | 1978-04-06 | 1984-06-28 | Bertos AG, Glarus | Streufeldtransformator |
-
1981
- 1981-01-29 JP JP56010870A patent/JPS57126112A/ja active Pending
- 1981-08-25 CA CA000384573A patent/CA1173125A/en not_active Expired
- 1981-08-25 NO NO812873A patent/NO812873L/no unknown
- 1981-08-26 GB GB8126066A patent/GB2092389B/en not_active Expired
- 1981-08-27 AU AU74674/81A patent/AU7467481A/en not_active Abandoned
- 1981-08-28 SE SE8105104A patent/SE452521B/sv not_active IP Right Cessation
- 1981-09-02 US US06/298,800 patent/US4422061A/en not_active Expired - Lifetime
- 1981-09-10 YU YU02176/81A patent/YU217681A/xx unknown
- 1981-09-14 KR KR1019810003412A patent/KR870002063B1/ko not_active Expired
- 1981-09-16 CH CH5987/81A patent/CH658144A5/de not_active IP Right Cessation
- 1981-09-17 IT IT68216/81A patent/IT1144870B/it active
- 1981-09-22 AT AT0408081A patent/AT380123B/de not_active IP Right Cessation
- 1981-09-30 FR FR8118392A patent/FR2498804B1/fr not_active Expired
- 1981-10-08 BR BR8106514A patent/BR8106514A/pt unknown
- 1981-10-28 DE DE3142781A patent/DE3142781C2/de not_active Expired - Lifetime
- 1981-11-04 BE BE0/206440A patent/BE890989A/fr not_active IP Right Cessation
-
1982
- 1982-01-28 ES ES509141A patent/ES8303809A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE890989A (fr) | 1982-03-01 |
| IT8168216A0 (it) | 1981-09-17 |
| DE3142781C2 (de) | 1990-11-15 |
| CH658144A5 (de) | 1986-10-15 |
| ES509141A0 (es) | 1983-02-01 |
| AT380123B (de) | 1986-04-10 |
| JPS57126112A (en) | 1982-08-05 |
| GB2092389B (en) | 1984-05-02 |
| ES8303809A1 (es) | 1983-02-01 |
| BR8106514A (pt) | 1982-09-08 |
| SE452521B (sv) | 1987-11-30 |
| FR2498804B1 (fr) | 1986-10-24 |
| US4422061A (en) | 1983-12-20 |
| YU217681A (en) | 1983-09-30 |
| ATA408081A (de) | 1985-08-15 |
| SE8105104L (sv) | 1982-07-30 |
| IT1144870B (it) | 1986-10-29 |
| FR2498804A1 (fr) | 1982-07-30 |
| DE3142781A1 (de) | 1982-08-12 |
| KR830008360A (ko) | 1983-11-18 |
| KR870002063B1 (ko) | 1987-12-03 |
| GB2092389A (en) | 1982-08-11 |
| CA1173125A (en) | 1984-08-21 |
| AU7467481A (en) | 1982-08-05 |
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