CN1577882A - 具有减小的直流电流饱和度的电力电感器 - Google Patents

具有减小的直流电流饱和度的电力电感器 Download PDF

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Publication number
CN1577882A
CN1577882A CNA2004100381809A CN200410038180A CN1577882A CN 1577882 A CN1577882 A CN 1577882A CN A2004100381809 A CNA2004100381809 A CN A2004100381809A CN 200410038180 A CN200410038180 A CN 200410038180A CN 1577882 A CN1577882 A CN 1577882A
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CN
China
Prior art keywords
magnetic core
magnetic
power inductor
gap
core
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.)
Pending
Application number
CNA2004100381809A
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English (en)
Chinese (zh)
Inventor
S·苏塔迪亚
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.)
Marvell World Trade Ltd
Mawier International Trade Co Ltd
Original Assignee
Mawier International Trade Co 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
Priority claimed from US10/621,128 external-priority patent/US7023313B2/en
Application filed by Mawier International Trade Co Ltd filed Critical Mawier International Trade Co Ltd
Publication of CN1577882A publication Critical patent/CN1577882A/zh
Pending legal-status Critical Current

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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
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
    • 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
    • H01F37/00—Fixed inductances not covered by group H01F17/00
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/02—Adaptations of transformers or inductances for specific applications or functions for non-linear operation
    • H01F38/023—Adaptations of transformers or inductances for specific applications or functions for non-linear operation of inductances
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49069—Data storage inductor or core
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
CNA2004100381809A 2003-07-16 2004-05-11 具有减小的直流电流饱和度的电力电感器 Pending CN1577882A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10/621,128 2003-07-16
US10/621,128 US7023313B2 (en) 2003-07-16 2003-07-16 Power inductor with reduced DC current saturation
US10/744,416 2003-12-22
US10/744,416 US7489219B2 (en) 2003-07-16 2003-12-22 Power inductor with reduced DC current saturation

Publications (1)

Publication Number Publication Date
CN1577882A true CN1577882A (zh) 2005-02-09

Family

ID=33479355

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2004100381809A Pending CN1577882A (zh) 2003-07-16 2004-05-11 具有减小的直流电流饱和度的电力电感器

Country Status (5)

Country Link
US (3) US7489219B2 (enExample)
EP (1) EP1498915B1 (enExample)
JP (1) JP2005039229A (enExample)
CN (1) CN1577882A (enExample)
TW (1) TWI401711B (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102916594A (zh) * 2011-08-04 2013-02-06 Lg伊诺特有限公司 供电设备
CN105679489A (zh) * 2014-11-17 2016-06-15 台达电子工业股份有限公司 磁性元件
CN108666070A (zh) * 2017-03-27 2018-10-16 联振电子(深圳)有限公司 电感
CN109903960A (zh) * 2017-12-08 2019-06-18 Zf 腓德烈斯哈芬股份公司 具有电流传感器的扼流圈
CN110783072A (zh) * 2018-07-26 2020-02-11 法雷奥电机控制系统公司 用于形成扼流圈的磁芯
CN115346768A (zh) * 2021-05-12 2022-11-15 英飞凌科技奥地利有限公司 电感路径的磁结构和布置

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US10998124B2 (en) 2016-05-06 2021-05-04 Vishay Dale Electronics, Llc Nested flat wound coils forming windings for transformers and inductors
CN116344173A (zh) 2016-08-31 2023-06-27 韦沙戴尔电子有限公司 具有低直流电阻的高电流线圈的电感器
CN111837206B (zh) * 2018-03-21 2022-09-06 伊顿智能动力有限公司 集成多相非耦合功率电感器及制造方法
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US7489219B2 (en) 2009-02-10
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