GB2407214A - Variable inductor - Google Patents

Variable inductor Download PDF

Info

Publication number
GB2407214A
GB2407214A GB0324092A GB0324092A GB2407214A GB 2407214 A GB2407214 A GB 2407214A GB 0324092 A GB0324092 A GB 0324092A GB 0324092 A GB0324092 A GB 0324092A GB 2407214 A GB2407214 A GB 2407214A
Authority
GB
United Kingdom
Prior art keywords
magnetic
winding
controllable
permeability
elements
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Withdrawn
Application number
GB0324092A
Other languages
English (en)
Other versions
GB0324092D0 (en
Inventor
Espen Haugs
Frank Strand
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.)
Magtech AS
Original Assignee
Magtech AS
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 Magtech AS filed Critical Magtech AS
Priority to GB0324092A priority Critical patent/GB2407214A/en
Publication of GB0324092D0 publication Critical patent/GB0324092D0/en
Priority to ES04775086T priority patent/ES2378160T3/es
Priority to CN2004800299145A priority patent/CN1868008B/zh
Priority to CA2537700A priority patent/CA2537700C/en
Priority to BRPI0415384-7A priority patent/BRPI0415384A/pt
Priority to PCT/NO2004/000308 priority patent/WO2005036568A1/en
Priority to PT04775086T priority patent/PT1676284E/pt
Priority to EP04775086A priority patent/EP1676284B1/en
Priority to EA200600771A priority patent/EA008971B1/ru
Priority to AT04775086T priority patent/ATE535920T1/de
Priority to JP2006535293A priority patent/JP4630873B2/ja
Priority to KR1020067005315A priority patent/KR101082576B1/ko
Publication of GB2407214A publication Critical patent/GB2407214A/en
Priority to NO20062085A priority patent/NO331604B1/no
Priority to HK06113706.2A priority patent/HK1092937A1/xx
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/342—Oxides
    • H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
    • H01F1/348—Hexaferrites with decreased hardness or anisotropy, i.e. with increased permeability in the microwave (GHz) range, e.g. having a hexagonal crystallographic structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/04—Arrangements of electric connections to coils, e.g. leads
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F2029/143—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias with control winding for generating magnetic bias

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Coils Or Transformers For Communication (AREA)
  • General Induction Heating (AREA)
  • Electronic Switches (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Magnetically Actuated Valves (AREA)
  • Coils Of Transformers For General Uses (AREA)
GB0324092A 2003-10-14 2003-10-14 Variable inductor Withdrawn GB2407214A (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
GB0324092A GB2407214A (en) 2003-10-14 2003-10-14 Variable inductor
KR1020067005315A KR101082576B1 (ko) 2003-10-14 2004-10-13 제어가능한 유도 장치
PT04775086T PT1676284E (pt) 2003-10-14 2004-10-13 Úcleo para um dispositivo indutivo controlável
EA200600771A EA008971B1 (ru) 2003-10-14 2004-10-13 Регулируемое индукционное устройство
CA2537700A CA2537700C (en) 2003-10-14 2004-10-13 Controllable inductive device
BRPI0415384-7A BRPI0415384A (pt) 2003-10-14 2004-10-13 dispositivo indutivo controlável
PCT/NO2004/000308 WO2005036568A1 (en) 2003-10-14 2004-10-13 Controllable inductive device
ES04775086T ES2378160T3 (es) 2003-10-14 2004-10-13 Núcleo para un dispositivo inductor controlable
EP04775086A EP1676284B1 (en) 2003-10-14 2004-10-13 Core for a controllable inductive device
CN2004800299145A CN1868008B (zh) 2003-10-14 2004-10-13 可控制电感器
AT04775086T ATE535920T1 (de) 2003-10-14 2004-10-13 Kern für steuerbare induktive vorrichtung
JP2006535293A JP4630873B2 (ja) 2003-10-14 2004-10-13 制御可能誘導装置
NO20062085A NO331604B1 (no) 2003-10-14 2006-05-09 Styrbar induktiv anordning
HK06113706.2A HK1092937A1 (en) 2003-10-14 2006-12-13 Core for a controllable inductive device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0324092A GB2407214A (en) 2003-10-14 2003-10-14 Variable inductor

Publications (2)

Publication Number Publication Date
GB0324092D0 GB0324092D0 (en) 2003-11-19
GB2407214A true GB2407214A (en) 2005-04-20

Family

ID=29559294

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0324092A Withdrawn GB2407214A (en) 2003-10-14 2003-10-14 Variable inductor

Country Status (13)

Country Link
EP (1) EP1676284B1 (ja)
JP (1) JP4630873B2 (ja)
KR (1) KR101082576B1 (ja)
CN (1) CN1868008B (ja)
AT (1) ATE535920T1 (ja)
BR (1) BRPI0415384A (ja)
CA (1) CA2537700C (ja)
EA (1) EA008971B1 (ja)
ES (1) ES2378160T3 (ja)
GB (1) GB2407214A (ja)
HK (1) HK1092937A1 (ja)
PT (1) PT1676284E (ja)
WO (1) WO2005036568A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013029688A1 (en) * 2011-09-02 2013-03-07 Alstom Technology Ltd Current limiter
DE102015119519A1 (de) * 2015-11-12 2017-05-18 Endress + Hauser Flowtec Ag Magnetisch-induktives Durchflussmessgerät zur Messung der Durchflussgeschwindigkeit oder des Volumendurchflusses von Medien in einer Rohrleitung

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009136864A1 (en) * 2008-05-06 2009-11-12 Win Myint Hingert Electrical generator and electrical generation system
WO2010063140A1 (en) * 2008-12-05 2010-06-10 Abb Research Ltd. A controllable reactor and fabrication method thereof
CN103219141B (zh) * 2013-04-27 2016-08-10 福州大学 一种电感量可控的交流电感器
US9979273B2 (en) 2016-05-19 2018-05-22 Abb Schweiz Ag Resonant converters with variable inductor
CN111819793B (zh) * 2018-03-08 2023-09-12 三菱电机株式会社 可变电感器电路

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2344109A1 (fr) * 1976-03-08 1977-10-07 Ungari Serge Transformateur statique a noyau central
US4210859A (en) * 1978-04-18 1980-07-01 Technion Research & Development Foundation Ltd. Inductive device having orthogonal windings
EP0018296A1 (fr) * 1979-04-23 1980-10-29 Serge Ungari Bobine ou treillis utilisables dans les transformateurs variables, potentiomètres de puissance ou de précision, codeurs potentiométriques, résistances bobinées, radiateurs électriques et échangeurs thermiques
US4393157A (en) * 1978-10-20 1983-07-12 Hydro Quebec Variable inductor
GB2361107A (en) * 2000-04-03 2001-10-10 Abb Ab Magnetic bias of a magnetic core portion used to adjust a core's reluctance

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2883604A (en) * 1957-02-08 1959-04-21 Harry T Mortimer Magnetic frequency changer
GB1039553A (en) 1964-02-14 1966-08-17 Nat Res Dev Automatic tuning arrangements
US3403323A (en) * 1965-05-14 1968-09-24 Wanlass Electric Company Electrical energy translating devices and regulators using the same
FR2452167A1 (fr) * 1979-03-20 1980-10-17 Aerospatiale Procede pour la realisation d'une armature magnetique a structure divisee et armature ainsi obtenue
JPS6386409A (ja) * 1986-09-30 1988-04-16 Toshiba Corp 巻鉄心の製造方法
JP2532514B2 (ja) * 1987-10-05 1996-09-11 株式会社神戸製鋼所 磁気異方体の製造方法
JPH0756848B2 (ja) * 1989-02-27 1995-06-14 株式会社電研精機研究所 ノイズカットトランスの磁性線材から成る鉄心製造法
JP2594776B2 (ja) * 1995-04-21 1997-03-26 ティーディーケイ株式会社 非晶質合金巻磁心の製造方法
US6507262B1 (en) * 1998-11-13 2003-01-14 Vacuumschmelze Gmbh Magnetic core that is suitable for use in a current transformer, method for the production of a magnetic core and current transformer with a magnetic core
NO317045B1 (no) 2000-05-24 2004-07-26 Magtech As Magnetisk pavirkbar strom- eller spenningsregulerende anordning
JP2005510076A (ja) * 2001-11-21 2005-04-14 マグテック エーエス 制御可能なインピーダンスを有するデバイス
KR200399022Y1 (ko) 2005-08-09 2005-10-18 김광석 상하 이동체의 중력 완화 장치를 이용한 디스플레이어의위치 제어 장치
JP4316553B2 (ja) * 2005-10-31 2009-08-19 三菱電機株式会社 可変インダクタンス装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2344109A1 (fr) * 1976-03-08 1977-10-07 Ungari Serge Transformateur statique a noyau central
US4210859A (en) * 1978-04-18 1980-07-01 Technion Research & Development Foundation Ltd. Inductive device having orthogonal windings
US4393157A (en) * 1978-10-20 1983-07-12 Hydro Quebec Variable inductor
EP0018296A1 (fr) * 1979-04-23 1980-10-29 Serge Ungari Bobine ou treillis utilisables dans les transformateurs variables, potentiomètres de puissance ou de précision, codeurs potentiométriques, résistances bobinées, radiateurs électriques et échangeurs thermiques
GB2361107A (en) * 2000-04-03 2001-10-10 Abb Ab Magnetic bias of a magnetic core portion used to adjust a core's reluctance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013029688A1 (en) * 2011-09-02 2013-03-07 Alstom Technology Ltd Current limiter
DE102015119519A1 (de) * 2015-11-12 2017-05-18 Endress + Hauser Flowtec Ag Magnetisch-induktives Durchflussmessgerät zur Messung der Durchflussgeschwindigkeit oder des Volumendurchflusses von Medien in einer Rohrleitung
DE102015119519B4 (de) 2015-11-12 2021-11-11 Endress + Hauser Flowtec Ag Magnetisch-induktives Durchflussmessgerät zur Messung der Durchflussgeschwindigkeit oder des Volumendurchflusses von Medien in einer Rohrleitung

Also Published As

Publication number Publication date
CA2537700A1 (en) 2005-04-21
PT1676284E (pt) 2012-03-06
CN1868008B (zh) 2011-08-17
GB0324092D0 (en) 2003-11-19
BRPI0415384A (pt) 2006-12-12
EP1676284B1 (en) 2011-11-30
JP2007508711A (ja) 2007-04-05
ES2378160T3 (es) 2012-04-09
ATE535920T1 (de) 2011-12-15
CN1868008A (zh) 2006-11-22
KR20070023623A (ko) 2007-02-28
HK1092937A1 (en) 2007-02-16
CA2537700C (en) 2013-11-26
KR101082576B1 (ko) 2011-11-10
EP1676284A1 (en) 2006-07-05
EA200600771A1 (ru) 2006-10-27
WO2005036568A1 (en) 2005-04-21
EA008971B1 (ru) 2007-10-26
JP4630873B2 (ja) 2011-02-09

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