HK1077672A1 - Current transformer having an amorphous fe-based core - Google Patents

Current transformer having an amorphous fe-based core

Info

Publication number
HK1077672A1
HK1077672A1 HK05109486.7A HK05109486A HK1077672A1 HK 1077672 A1 HK1077672 A1 HK 1077672A1 HK 05109486 A HK05109486 A HK 05109486A HK 1077672 A1 HK1077672 A1 HK 1077672A1
Authority
HK
Hong Kong
Prior art keywords
amorphous
current transformer
based core
core
transformer
Prior art date
Application number
HK05109486.7A
Other languages
English (en)
Inventor
Ronald J Martis
Seshu V Tatikola
Ryusuke Hasegawa
Original Assignee
Metglas Inc
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 Metglas Inc filed Critical Metglas Inc
Publication of HK1077672A1 publication Critical patent/HK1077672A1/xx

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
    • 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
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • 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
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15308—Amorphous metallic alloys, e.g. glassy metals based on Fe/Ni
    • 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
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/28—Current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Soft Magnetic Materials (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
HK05109486.7A 2002-02-08 2005-10-25 Current transformer having an amorphous fe-based core HK1077672A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/071,682 US6930581B2 (en) 2002-02-08 2002-02-08 Current transformer having an amorphous fe-based core
PCT/US2003/003092 WO2003067615A1 (en) 2002-02-08 2003-02-03 Current transformer having an amorphous fe-based core

Publications (1)

Publication Number Publication Date
HK1077672A1 true HK1077672A1 (en) 2006-02-17

Family

ID=27659293

Family Applications (1)

Application Number Title Priority Date Filing Date
HK05109486.7A HK1077672A1 (en) 2002-02-08 2005-10-25 Current transformer having an amorphous fe-based core

Country Status (9)

Country Link
US (1) US6930581B2 (ko)
EP (1) EP1472706B1 (ko)
JP (1) JP2005537631A (ko)
KR (1) KR101058536B1 (ko)
CN (1) CN100517527C (ko)
AU (1) AU2003217299A1 (ko)
HK (1) HK1077672A1 (ko)
TW (1) TWI305925B (ko)
WO (1) WO2003067615A1 (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7541909B2 (en) * 2002-02-08 2009-06-02 Metglas, Inc. Filter circuit having an Fe-based core
FR2877486B1 (fr) * 2004-10-29 2007-03-30 Imphy Alloys Sa Tore nanocristallin pour capteur de courant, compteurs d'energie a simple et a double etage et sondes de courant les incorporant
WO2007081719A2 (en) 2006-01-05 2007-07-19 Illumitex, Inc. Separate optical device for directing light from an led
WO2008051623A2 (en) * 2006-02-21 2008-05-02 Carnegie Mellon University Soft magnetic alloy and uses thereof
US8585253B2 (en) 2009-08-20 2013-11-19 Illumitex, Inc. System and method for color mixing lens array
CN102426909A (zh) * 2011-12-20 2012-04-25 江西省电力科学研究院 一种基于复合磁芯的抗直流电流互感器及其制造方法
CN103969488B (zh) * 2013-01-31 2017-09-29 西门子公司 电流互感器及其电流检测电路
JP2014175514A (ja) * 2013-03-11 2014-09-22 Yazaki Corp 給電側コイル及び非接触給電装置
CN107240491B (zh) * 2017-08-13 2019-03-26 芜湖希又智能科技有限公司 一种纳米晶合金双磁芯电流互感器

Family Cites Families (26)

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Publication number Priority date Publication date Assignee Title
US3856513A (en) 1972-12-26 1974-12-24 Allied Chem Novel amorphous metals and amorphous metal articles
DE2924280A1 (de) 1979-06-15 1981-01-08 Vacuumschmelze Gmbh Amorphe weichmagnetische legierung
JPS6034620B2 (ja) * 1981-03-06 1985-08-09 新日本製鐵株式会社 鉄損が極めて低く熱的安定性とよい非晶質合金
EP0092091B2 (en) 1982-04-15 1991-01-30 Allied Corporation Apparatus for the production of magnetic powder
JPH0611007B2 (ja) * 1982-10-05 1994-02-09 ティーディーケイ株式会社 磁気スイツチ用磁心
JPS59181504A (ja) 1983-03-31 1984-10-16 Toshiba Corp 恒透磁率磁心
US5110378A (en) 1988-08-17 1992-05-05 Allied-Signal Inc. Metallic glasses having a combination of high permeability, low coercivity, low ac core loss, low exciting power and high thermal stability
US5284528A (en) 1983-05-23 1994-02-08 Allied-Signal Inc. Metallic glasses having a combination of high permeability, low coercivity, low ac core loss, low exciting power and high thermal stability
JPS61261451A (ja) 1985-05-15 1986-11-19 Mitsubishi Electric Corp 磁性材料とその製造方法
DE3611527A1 (de) 1986-04-05 1987-10-08 Vacuumschmelze Gmbh Verfahren zur erzielung einer flachen magnetisierungsschleife in amorphen kernen durch eine waermebehandlung
JPS63155709A (ja) 1986-12-19 1988-06-28 Toshiba Corp 変流器
JP2550996B2 (ja) 1987-05-29 1996-11-06 ソニー株式会社 軟磁性薄膜
JPH01308004A (ja) * 1988-06-07 1989-12-12 Fuji Electric Co Ltd 電流検出装置
EP0482064B1 (en) * 1989-07-14 1993-12-01 AlliedSignal Inc. Iron-rich metallic glasses having high saturation induction and superior soft ferromagnetic properties at high magnetization rates
CN1020171C (zh) 1989-09-03 1993-03-24 首都钢铁公司冶金研究所 恒导磁非晶态磁芯制法
CA2071930A1 (en) * 1990-01-24 1991-07-25 V.R.V. Ramanan Iron-rich metallic glasses having high saturation induction and superior soft ferromagnetic properties at high magnetization rates
US6211765B1 (en) * 1990-02-27 2001-04-03 Tdk Corporation Coil device
RU2044799C1 (ru) 1992-08-18 1995-09-27 Кулинич Татьяна Петровна Аморфный сплав
US5871593A (en) 1992-12-23 1999-02-16 Alliedsignal Inc. Amorphous Fe-B-Si-C alloys having soft magnetic characteristics useful in low frequency applications
US6093261A (en) * 1995-04-13 2000-07-25 Alliedsignals Inc. Metallic glass alloys for mechanically resonant marker surveillance systems
DE19653430A1 (de) 1996-12-20 1999-04-01 Vacuumschmelze Gmbh Anzeigeelement für die Verwendung in einem magnetischen Warenüberwachungssystem
US6144279A (en) 1997-03-18 2000-11-07 Alliedsignal Inc. Electrical choke for power factor correction
JPH11186020A (ja) * 1997-12-18 1999-07-09 Toshiba Corp 零相変流器
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
US6432226B2 (en) 1999-04-12 2002-08-13 Alliedsignal Inc. Magnetic glassy alloys for high frequency applications
JP2001052933A (ja) * 1999-08-12 2001-02-23 Toshiba Corp 磁気コアおよび磁気コアを用いた電流センサ

Also Published As

Publication number Publication date
AU2003217299A1 (en) 2003-09-02
EP1472706A1 (en) 2004-11-03
EP1472706B1 (en) 2013-06-19
CN1630920A (zh) 2005-06-22
WO2003067615A1 (en) 2003-08-14
KR101058536B1 (ko) 2011-08-23
CN100517527C (zh) 2009-07-22
KR20040082420A (ko) 2004-09-24
TWI305925B (en) 2009-02-01
TW200305894A (en) 2003-11-01
JP2005537631A (ja) 2005-12-08
US20030151483A1 (en) 2003-08-14
US6930581B2 (en) 2005-08-16

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20150203