FR2277420A1 - Circuit magnetique d'appareillage electrique a induction - Google Patents
Circuit magnetique d'appareillage electrique a inductionInfo
- Publication number
- FR2277420A1 FR2277420A1 FR7520259A FR7520259A FR2277420A1 FR 2277420 A1 FR2277420 A1 FR 2277420A1 FR 7520259 A FR7520259 A FR 7520259A FR 7520259 A FR7520259 A FR 7520259A FR 2277420 A1 FR2277420 A1 FR 2277420A1
- Authority
- FR
- France
- Prior art keywords
- magnetic circuit
- electrical induction
- induction equipment
- equipment
- electrical
- 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
- H01F27/24—Magnetic cores
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F2003/106—Magnetic circuits using combinations of different magnetic materials
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US485466A US3878495A (en) | 1974-07-02 | 1974-07-02 | Magnetic core for electrical inductive apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2277420A1 true FR2277420A1 (fr) | 1976-01-30 |
FR2277420B1 FR2277420B1 (fr) | 1981-12-18 |
Family
ID=23928281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7520259A Granted FR2277420A1 (fr) | 1974-07-02 | 1975-06-27 | Circuit magnetique d'appareillage electrique a induction |
Country Status (2)
Country | Link |
---|---|
US (1) | US3878495A (fr) |
FR (1) | FR2277420A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2498804A1 (fr) * | 1981-01-29 | 1982-07-30 | Nippon Steel Corp | Noyau feuillete pour transformateur |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4205288A (en) * | 1978-10-27 | 1980-05-27 | Westinghouse Electric Corp. | Transformer with parallel magnetic circuits of unequal mean lengths and loss characteristics |
DE3312838A1 (de) * | 1983-04-09 | 1984-10-11 | Vacuumschmelze Gmbh, 6450 Hanau | Hochstromdrossel |
US4943793A (en) * | 1988-12-27 | 1990-07-24 | General Electric Company | Dual-permeability core structure for use in high-frequency magnetic components |
US6737262B1 (en) * | 2000-07-11 | 2004-05-18 | Robert I. Bolla | Animal feed containing polypeptides |
US6456184B1 (en) | 2000-12-29 | 2002-09-24 | Abb Inc. | Reduced-cost core for an electrical-power transformer |
US8299885B2 (en) | 2002-12-13 | 2012-10-30 | Volterra Semiconductor Corporation | Method for making magnetic components with M-phase coupling, and related inductor structures |
US7898379B1 (en) | 2002-12-13 | 2011-03-01 | Volterra Semiconductor Corporation | Method for making magnetic components with N-phase coupling, and related inductor structures |
US7965165B2 (en) * | 2002-12-13 | 2011-06-21 | Volterra Semiconductor Corporation | Method for making magnetic components with M-phase coupling, and related inductor structures |
US7498920B2 (en) | 2002-12-13 | 2009-03-03 | Volterra Semiconductor Corporation | Method for making magnetic components with N-phase coupling, and related inductor structures |
US7352269B2 (en) | 2002-12-13 | 2008-04-01 | Volterra Semiconductor Corporation | Method for making magnetic components with N-phase coupling, and related inductor structures |
US8102233B2 (en) * | 2009-08-10 | 2012-01-24 | Volterra Semiconductor Corporation | Coupled inductor with improved leakage inductance control |
US8237530B2 (en) * | 2009-08-10 | 2012-08-07 | Volterra Semiconductor Corporation | Coupled inductor with improved leakage inductance control |
CN102007553B (zh) * | 2008-03-14 | 2012-12-12 | 沃特拉半导体公司 | M相耦合的磁元件以及相关的电感结构 |
US8988177B1 (en) | 2008-12-15 | 2015-03-24 | Marvell International Ltd. | Magnetic core having flux paths with substantially equivalent reluctance |
US8405478B1 (en) | 2008-12-15 | 2013-03-26 | Marvell International Ltd. | Low loss magnetic core |
US9019063B2 (en) | 2009-08-10 | 2015-04-28 | Volterra Semiconductor Corporation | Coupled inductor with improved leakage inductance control |
US8174348B2 (en) * | 2009-12-21 | 2012-05-08 | Volterra Semiconductor Corporation | Two-phase coupled inductors which promote improved printed circuit board layout |
US8674802B2 (en) | 2009-12-21 | 2014-03-18 | Volterra Semiconductor Corporation | Multi-turn inductors |
US7994888B2 (en) * | 2009-12-21 | 2011-08-09 | Volterra Semiconductor Corporation | Multi-turn inductors |
US8330567B2 (en) * | 2010-01-14 | 2012-12-11 | Volterra Semiconductor Corporation | Asymmetrical coupled inductors and associated methods |
WO2012110085A1 (fr) * | 2011-02-16 | 2012-08-23 | Siemens Aktiengesellschaft | Noyau magnétique fait de lamelles de tôle présentant des orientations différentes des grains |
US9373438B1 (en) | 2011-11-22 | 2016-06-21 | Volterra Semiconductor LLC | Coupled inductor arrays and associated methods |
US10128035B2 (en) | 2011-11-22 | 2018-11-13 | Volterra Semiconductor LLC | Coupled inductor arrays and associated methods |
US8975995B1 (en) | 2012-08-29 | 2015-03-10 | Volterra Semiconductor Corporation | Coupled inductors with leakage plates, and associated systems and methods |
US9287038B2 (en) | 2013-03-13 | 2016-03-15 | Volterra Semiconductor LLC | Coupled inductors with non-uniform winding terminal distributions |
US20160247627A1 (en) | 2015-02-24 | 2016-08-25 | Maxim Integrated Products, Inc. | Low-profile coupled inductors with leakage control |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1425091A (en) * | 1922-08-08 | Polyphase transformer | ||
US1761732A (en) * | 1928-01-28 | 1930-06-03 | Gen Electric | Transformer |
US2779926A (en) * | 1954-01-25 | 1957-01-29 | Gen Electric | Transformer with five-leg core |
US2932787A (en) * | 1956-03-19 | 1960-04-12 | Allis Chalmers Mfg Co | Magnetic amplifier |
-
1974
- 1974-07-02 US US485466A patent/US3878495A/en not_active Expired - Lifetime
-
1975
- 1975-06-27 FR FR7520259A patent/FR2277420A1/fr active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2498804A1 (fr) * | 1981-01-29 | 1982-07-30 | Nippon Steel Corp | Noyau feuillete pour transformateur |
Also Published As
Publication number | Publication date |
---|---|
US3878495A (en) | 1975-04-15 |
FR2277420B1 (fr) | 1981-12-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |