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WO2009034710A1 - リアクトル用コアとその製造方法およびリアクトル - Google Patents

リアクトル用コアとその製造方法およびリアクトル Download PDF

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Publication number
WO2009034710A1
WO2009034710A1 PCT/JP2008/002508 JP2008002508W WO2009034710A1 WO 2009034710 A1 WO2009034710 A1 WO 2009034710A1 JP 2008002508 W JP2008002508 W JP 2008002508W WO 2009034710 A1 WO2009034710 A1 WO 2009034710A1
Authority
WO
WIPO (PCT)
Prior art keywords
reactor
core
metallic magnetic
reactors
manufacturing
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.)
Ceased
Application number
PCT/JP2008/002508
Other languages
English (en)
French (fr)
Inventor
Atsushi Sato
Toru Maeda
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to US12/677,758 priority Critical patent/US8313834B2/en
Priority to CN2008801066920A priority patent/CN101802938B/zh
Priority to EP08830679A priority patent/EP2189994B1/en
Publication of WO2009034710A1 publication Critical patent/WO2009034710A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H01F1/12—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
    • H01F1/14—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 metals or alloys
    • H01F1/20—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 metals or alloys in the form of particles, e.g. powder
    • H01F1/22—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • 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
    • H01F1/14—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 metals or alloys
    • H01F1/20—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 metals or alloys in the form of particles, e.g. powder
    • H01F1/22—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • H01F1/26—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
    • 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
    • H01F27/255—Magnetic cores made from particles
    • 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
    • H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F2027/348—Preventing eddy currents
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/346—Preventing or reducing leakage fields
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2998—Coated including synthetic resin or polymer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Soft Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)

Abstract

　渦電流損の低減と直流重畳特性の改善を実現できるリアクトル用コアとその製造方法およびリアクトルを提供する。絶縁被膜で覆った金属磁性粒子を加圧成形してなるリアクトル用コアMで、前記金属磁性粒子が次の構成を備える。（１）平均粒径が1μm以上70μm以下であること。（２）粒径の標準偏差（σ）と平均粒径（μ）との比である変動係数Ｃｖ（σ／μ）が0.40以下であること。（３）円形度が0.8以上1.0以下であること。さらに絶縁被膜の外側に、外周被膜として耐熱性付与保護被膜と可撓性保護被膜の少なくとも一方を備える。
PCT/JP2008/002508 2007-09-11 2008-09-10 リアクトル用コアとその製造方法およびリアクトル Ceased WO2009034710A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/677,758 US8313834B2 (en) 2007-09-11 2008-09-10 Core for reactors comprising press-molded metallic magnetic particles, its manufacturing method, and reactor
CN2008801066920A CN101802938B (zh) 2007-09-11 2008-09-10 用于电抗器的铁心及其制造方法以及电抗器
EP08830679A EP2189994B1 (en) 2007-09-11 2008-09-10 Core for reactors, its manufacturing method, and reactor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007235137A JP5067544B2 (ja) 2007-09-11 2007-09-11 リアクトル用コアとその製造方法およびリアクトル
JP2007-235137 2007-09-11

Publications (1)

Publication Number Publication Date
WO2009034710A1 true WO2009034710A1 (ja) 2009-03-19

Family

ID=40451730

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/002508 Ceased WO2009034710A1 (ja) 2007-09-11 2008-09-10 リアクトル用コアとその製造方法およびリアクトル

Country Status (5)

Country Link
US (1) US8313834B2 (ja)
EP (1) EP2189994B1 (ja)
JP (1) JP5067544B2 (ja)
CN (1) CN101802938B (ja)
WO (1) WO2009034710A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010232224A (ja) * 2009-03-25 2010-10-14 Seiko Epson Corp 絶縁物被覆軟磁性粉末、圧粉磁心および磁性素子
CN102918610A (zh) * 2010-05-25 2013-02-06 丰田自动车株式会社 电抗器
WO2013175929A1 (ja) * 2012-05-25 2013-11-28 Ntn株式会社 圧粉磁心、圧粉磁心の製造方法、及び、圧粉磁心の渦電流損失の推定方法

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JP5368686B2 (ja) * 2007-09-11 2013-12-18 住友電気工業株式会社 軟磁性材料、圧粉磁心、軟磁性材料の製造方法、および圧粉磁心の製造方法
CN102290200B (zh) * 2011-04-25 2012-12-26 山东大学 一种可控饱和电抗器
CN102360766A (zh) * 2011-09-05 2012-02-22 山东大学 低谐波的可控饱和电抗器
JP6048910B2 (ja) * 2011-11-14 2016-12-21 住友電気工業株式会社 リアクトル、コイル成形体、コンバータ、及び電力変換装置
JP2014082382A (ja) * 2012-10-17 2014-05-08 Tdk Corp 磁性粉体、インダクタ素子およびインダクタ素子の製造方法
GB2511844B (en) * 2013-03-15 2015-12-23 Eisergy Ltd A magnetic component for a switching power supply and a method of manufacturing a magnetic component
JP6580817B2 (ja) * 2014-09-18 2019-09-25 Ntn株式会社 磁性コアの製造方法
KR20160140153A (ko) * 2015-05-29 2016-12-07 삼성전기주식회사 코일 전자부품 및 그 제조방법
JP6545640B2 (ja) * 2015-06-17 2019-07-17 株式会社タムラ製作所 圧粉磁心の製造方法
JP6467376B2 (ja) * 2016-06-17 2019-02-13 株式会社タムラ製作所 圧粉磁心の製造方法
JP7283031B2 (ja) * 2017-03-09 2023-05-30 Tdk株式会社 圧粉磁心
CN107808753A (zh) * 2017-11-17 2018-03-16 宁波中策亿特电子有限公司 一种防噪音电抗器
US11328872B2 (en) * 2018-12-27 2022-05-10 Tdk Corporation LC composite component
CN111128514A (zh) * 2019-12-23 2020-05-08 国网江苏省电力有限公司滨海县供电分公司 一种铁芯电抗器

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JP2004319652A (ja) 2003-04-15 2004-11-11 Tamura Seisakusho Co Ltd 磁心の製造方法およびその磁心
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JP2007129045A (ja) 2005-11-02 2007-05-24 Sumitomo Electric Ind Ltd 軟磁性材料およびこれを用いて製造された圧粉磁心

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JP2004319652A (ja) 2003-04-15 2004-11-11 Tamura Seisakusho Co Ltd 磁心の製造方法およびその磁心
JP2006202956A (ja) 2005-01-20 2006-08-03 Sumitomo Electric Ind Ltd 軟磁性材料および圧粉磁心
JP2006283166A (ja) * 2005-04-04 2006-10-19 Jfe Steel Kk 圧粉磁芯用被覆鉄基粉末および圧粉磁芯
JP2007129045A (ja) 2005-11-02 2007-05-24 Sumitomo Electric Ind Ltd 軟磁性材料およびこれを用いて製造された圧粉磁心

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See also references of EP2189994A4

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010232224A (ja) * 2009-03-25 2010-10-14 Seiko Epson Corp 絶縁物被覆軟磁性粉末、圧粉磁心および磁性素子
CN102918610A (zh) * 2010-05-25 2013-02-06 丰田自动车株式会社 电抗器
US8922319B2 (en) * 2010-05-25 2014-12-30 Toyota Jidosha Kabushiki Kaisha Reactor
CN102918610B (zh) * 2010-05-25 2015-11-25 丰田自动车株式会社 电抗器
WO2013175929A1 (ja) * 2012-05-25 2013-11-28 Ntn株式会社 圧粉磁心、圧粉磁心の製造方法、及び、圧粉磁心の渦電流損失の推定方法
JP2014003286A (ja) * 2012-05-25 2014-01-09 Ntn Corp 圧粉磁心、圧粉磁心の製造方法、及び、圧粉磁心の渦電流損失の推定方法

Also Published As

Publication number Publication date
EP2189994B1 (en) 2012-05-16
CN101802938B (zh) 2012-05-30
US8313834B2 (en) 2012-11-20
JP2009070884A (ja) 2009-04-02
EP2189994A4 (en) 2010-12-29
EP2189994A1 (en) 2010-05-26
US20100194516A1 (en) 2010-08-05
JP5067544B2 (ja) 2012-11-07
CN101802938A (zh) 2010-08-11

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