TW351816B - Distributed gap electrical choke - Google Patents

Distributed gap electrical choke

Info

Publication number
TW351816B
TW351816B TW086100556A TW86100556A TW351816B TW 351816 B TW351816 B TW 351816B TW 086100556 A TW086100556 A TW 086100556A TW 86100556 A TW86100556 A TW 86100556A TW 351816 B TW351816 B TW 351816B
Authority
TW
Taiwan
Prior art keywords
distributed gap
magnetic core
annealing treatment
electrical choke
gap electrical
Prior art date
Application number
TW086100556A
Other languages
Chinese (zh)
Inventor
Aliki Collins
John Silgailis
Joseph Abou-Elias
Ronald J Martis
Ryusuke Hasegawa
Original Assignee
Allied Signal 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 Allied Signal Inc filed Critical Allied Signal Inc
Application granted granted Critical
Publication of TW351816B publication Critical patent/TW351816B/en

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
    • 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
    • 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
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/25—Magnetic cores made from strips or ribbons

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Cable Accessories (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

An electric choke has a magnetic core with a distributed gap. The magnetic core is composed of an iron based, rapidly solidified metallic clloy. The distributed gap configuration is produced by an annealing treatment which causes partial crystallization of the amorphous alloy. As a result of the annealing treatment, the magnetic core exhibits permeability in the range of 100 to 400, low core loss (i.e. less than 70 W/Kg at 100 kHz and 0.1T) and excellent DC bias behavior (at least 40% of the initial permeability is maintained at a DC bias field of 3980 A/m or 50 Oe).
TW086100556A 1996-01-11 1997-01-20 Distributed gap electrical choke TW351816B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58478796A 1996-01-11 1996-01-11

Publications (1)

Publication Number Publication Date
TW351816B true TW351816B (en) 1999-02-01

Family

ID=24338791

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086100556A TW351816B (en) 1996-01-11 1997-01-20 Distributed gap electrical choke

Country Status (9)

Country Link
EP (1) EP0873567B1 (en)
JP (2) JP4629165B2 (en)
KR (1) KR100452535B1 (en)
CN (1) CN1114217C (en)
AT (1) ATE215727T1 (en)
DE (1) DE69711599T2 (en)
DK (1) DK0873567T3 (en)
TW (1) TW351816B (en)
WO (1) WO1997025727A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6144279A (en) * 1997-03-18 2000-11-07 Alliedsignal Inc. Electrical choke for power factor correction
AU746454B2 (en) 1998-03-02 2002-05-02 Massachusetts Institute Of Technology Poly zinc finger proteins with improved linkers
JP2002508585A (en) * 1998-03-27 2002-03-19 アライドシグナル・インコーポレイテッド Dry transformer having a substantially rectangular resin-enclosed coil
US6534261B1 (en) 1999-01-12 2003-03-18 Sangamo Biosciences, Inc. Regulation of endogenous gene expression in cells using zinc finger proteins
ATE309536T1 (en) 1999-12-06 2005-11-15 Sangamo Biosciences Inc METHODS OF USING RANDOMIZED ZINC FINGER PROTEIN LIBRARIES TO IDENTIFY GENE FUNCTIONS
EP1353941B1 (en) 2001-01-22 2013-03-13 Sangamo BioSciences, Inc. Modified zinc finger binding proteins
US7262054B2 (en) 2002-01-22 2007-08-28 Sangamo Biosciences, Inc. Zinc finger proteins for DNA binding and gene regulation in plants
US7541909B2 (en) * 2002-02-08 2009-06-02 Metglas, Inc. Filter circuit having an Fe-based core
DE102004024337A1 (en) 2004-05-17 2005-12-22 Vacuumschmelze Gmbh & Co. Kg Process for producing nanocrystalline current transformer cores, magnetic cores produced by this process, and current transformers with same
DE202017103569U1 (en) * 2017-06-14 2018-09-17 Sma Solar Technology Ag Coil and electrical or electronic device with such a coil

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300950A (en) * 1978-04-20 1981-11-17 General Electric Company Amorphous metal alloys and ribbons thereof
GB2117979B (en) * 1982-04-01 1985-06-26 Telcon Metals Ltd Electrical chokes
JPS62186506A (en) * 1986-02-12 1987-08-14 Meidensha Electric Mfg Co Ltd Annealing method of amorphous iron core
DE3611527A1 (en) * 1986-04-05 1987-10-08 Vacuumschmelze Gmbh METHOD FOR OBTAINING A FLAT MAGNETIZING LOOP IN AMORPHOUS CORES BY A HEAT TREATMENT
JP2868121B2 (en) * 1987-07-28 1999-03-10 日立金属株式会社 Method for producing Fe-based magnetic alloy core
EP0513385B1 (en) * 1990-11-30 1997-02-12 Mitsui Petrochemical Industries, Ltd. Iron-base soft magnetic alloy
JP3322407B2 (en) * 1990-11-30 2002-09-09 三井化学株式会社 Fe-based soft magnetic alloy
JPH04341544A (en) * 1991-05-17 1992-11-27 Mitsui Petrochem Ind Ltd Fe base soft magnetic alloy
US5252144A (en) * 1991-11-04 1993-10-12 Allied Signal Inc. Heat treatment process and soft magnetic alloys produced thereby

Also Published As

Publication number Publication date
JP2011061210A (en) 2011-03-24
DE69711599D1 (en) 2002-05-08
JP2000503169A (en) 2000-03-14
ATE215727T1 (en) 2002-04-15
EP0873567B1 (en) 2002-04-03
DE69711599T2 (en) 2002-10-31
JP4629165B2 (en) 2011-02-09
CN1208497A (en) 1999-02-17
EP0873567A1 (en) 1998-10-28
WO1997025727A1 (en) 1997-07-17
KR100452535B1 (en) 2004-12-17
DK0873567T3 (en) 2002-07-01
CN1114217C (en) 2003-07-09
JP4990389B2 (en) 2012-08-01
KR19990076747A (en) 1999-10-15

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees