DE60101951D1 - Magnetkern mit einem vormagnetisierenden Verbindungsmagneten und Induktorteil, das diesen verwendet - Google Patents

Magnetkern mit einem vormagnetisierenden Verbindungsmagneten und Induktorteil, das diesen verwendet

Info

Publication number
DE60101951D1
DE60101951D1 DE60101951T DE60101951T DE60101951D1 DE 60101951 D1 DE60101951 D1 DE 60101951D1 DE 60101951 T DE60101951 T DE 60101951T DE 60101951 T DE60101951 T DE 60101951T DE 60101951 D1 DE60101951 D1 DE 60101951D1
Authority
DE
Germany
Prior art keywords
magnetizing
magnetic core
inductor part
connecting magnet
magnet
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.)
Expired - Lifetime
Application number
DE60101951T
Other languages
English (en)
Other versions
DE60101951T2 (de
Inventor
Teruhiko Fujiwara
Masayoshi Ishii
Haruki Hoshi
Keita Isogai
Toru Ito
Tamiko Ambo
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.)
Tokin Corp
Original Assignee
NEC Tokin Corp
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 NEC Tokin Corp filed Critical NEC Tokin Corp
Application granted granted Critical
Publication of DE60101951D1 publication Critical patent/DE60101951D1/de
Publication of DE60101951T2 publication Critical patent/DE60101951T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H01F27/25—Magnetic cores made from strips or ribbons
    • 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
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps
    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/04—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 hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0558—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together bonded together
    • 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
    • H01F29/146—Constructional details
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • 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
    • H01F2003/103—Magnetic circuits with permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Coils Or Transformers For Communication (AREA)
DE60101951T 2000-11-29 2001-11-27 Magnetkern mit einem vormagnetisierenden Verbindungsmagneten und Induktorteil, das diesen verwendet Expired - Lifetime DE60101951T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2000363613 2000-11-29
JP2000363569 2000-11-29
JP2000363613 2000-11-29
JP2000363569 2000-11-29
JP2001117665 2001-04-17
JP2001117665 2001-04-17

Publications (2)

Publication Number Publication Date
DE60101951D1 true DE60101951D1 (de) 2004-03-11
DE60101951T2 DE60101951T2 (de) 2004-12-23

Family

ID=27345303

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60101951T Expired - Lifetime DE60101951T2 (de) 2000-11-29 2001-11-27 Magnetkern mit einem vormagnetisierenden Verbindungsmagneten und Induktorteil, das diesen verwendet

Country Status (6)

Country Link
US (1) US6590485B2 (de)
EP (1) EP1211699B1 (de)
KR (1) KR20020042491A (de)
CN (1) CN1242432C (de)
DE (1) DE60101951T2 (de)
TW (1) TW540071B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114638140A (zh) * 2022-05-19 2022-06-17 国网江西省电力有限公司电力科学研究院 变压器在直流偏磁暂态过程下短期允许运行时长计算方法

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6856231B2 (en) * 2000-09-08 2005-02-15 Nec Tokin Corporaton Magnetically biasing bond magnet for improving DC superposition characteristics of magnetic coil
US6753751B2 (en) * 2000-11-30 2004-06-22 Nec Tokin Corporation Magnetic core including magnet for magnetic bias and inductor component using the same
US7489225B2 (en) * 2003-11-17 2009-02-10 Pulse Engineering, Inc. Precision inductive devices and methods
WO2007037753A1 (en) * 2005-09-29 2007-04-05 Abb Research Ltd An induction regulator for power flow control in an ac transmission network and a method of controlling such network
CN101278457B (zh) * 2005-09-29 2012-06-06 Abb研究有限公司 用于交流传输网络中能流控制的电感调节器和控制该网络的方法
DE102005048544A1 (de) 2005-10-11 2007-04-12 Robert Bosch Gmbh Magnetkreis für Zündspule oder Trafos
US8004379B2 (en) * 2007-09-07 2011-08-23 Vishay Dale Electronics, Inc. High powered inductors using a magnetic bias
DE102011001147A1 (de) 2011-03-08 2012-09-13 Sma Solar Technology Ag Vormagnetisierte AC-Drossel mit Polwender
US20130135070A1 (en) * 2011-06-24 2013-05-30 Nitto Denko Corporation Rare-earth permanent magnet and method for manufacturing rare-earth permanent magnet
CN103208352B (zh) * 2013-03-15 2016-08-10 沈阳工业大学 基于磁温度补偿具有直流偏磁抑制功能的电力变压器
JP6206655B2 (ja) 2013-08-30 2017-10-04 セイコーエプソン株式会社 液体吐出装置およびヘッドユニット
JP6206654B2 (ja) 2013-08-30 2017-10-04 セイコーエプソン株式会社 液体吐出装置およびヘッドユニット
CN107210119B (zh) * 2015-01-22 2019-02-05 阿尔卑斯电气株式会社 压粉磁芯及其制法、电气/电子元件以及电气/电子设备
US10600562B2 (en) * 2016-03-31 2020-03-24 Fsp Technology Inc. Manufacturing method of magnetic element
JP6667826B2 (ja) 2016-04-13 2020-03-18 ローム株式会社 交流電源装置
CN106653325A (zh) * 2016-12-09 2017-05-10 徐超 一种感应设备
US20210110966A1 (en) * 2019-10-09 2021-04-15 Power Integrations, Inc. Magnet with multiple discs
US20220208446A1 (en) * 2020-12-30 2022-06-30 Power Integrations, Inc. Energy transfer element magnetized after assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432696B2 (de) 1974-04-10 1979-10-16
AT384320B (de) * 1981-01-27 1987-10-27 Zumtobel Ag Induktiver wechselstrombegrenzer
JPS6010605A (ja) * 1983-06-30 1985-01-19 Hitachi Metals Ltd インダクタンス素子用永久磁石
JPH03149805A (ja) * 1989-11-07 1991-06-26 Aisan Ind Co Ltd 内燃機関用点火コイル
JP3760357B2 (ja) * 1996-09-26 2006-03-29 山和防災設備株式会社 簡易ヘリポート
US6432158B1 (en) * 1999-10-25 2002-08-13 Sumitomo Special Metals Co., Ltd. Method and apparatus for producing compact of rare earth alloy powder and rare earth magnet
JP2002164223A (ja) * 2000-11-29 2002-06-07 Tokin Corp 磁気バイアス用磁石を有する磁気コアおよびそれを用いたインダクタンス部品

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114638140A (zh) * 2022-05-19 2022-06-17 国网江西省电力有限公司电力科学研究院 变压器在直流偏磁暂态过程下短期允许运行时长计算方法

Also Published As

Publication number Publication date
CN1242432C (zh) 2006-02-15
EP1211699B1 (de) 2004-02-04
DE60101951T2 (de) 2004-12-23
CN1359115A (zh) 2002-07-17
KR20020042491A (ko) 2002-06-05
US20020093409A1 (en) 2002-07-18
EP1211699A3 (de) 2002-06-12
TW540071B (en) 2003-07-01
EP1211699A2 (de) 2002-06-05
US6590485B2 (en) 2003-07-08

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