EP3176797A4 - Stromwandlerkern, verfahren zur herstellung davon und mit besagtem kern ausgestattete vorrichtung - Google Patents

Stromwandlerkern, verfahren zur herstellung davon und mit besagtem kern ausgestattete vorrichtung Download PDF

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Publication number
EP3176797A4
EP3176797A4 EP15827190.8A EP15827190A EP3176797A4 EP 3176797 A4 EP3176797 A4 EP 3176797A4 EP 15827190 A EP15827190 A EP 15827190A EP 3176797 A4 EP3176797 A4 EP 3176797A4
Authority
EP
European Patent Office
Prior art keywords
core
current transformer
device equipped
manufacturing same
transformer 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.)
Granted
Application number
EP15827190.8A
Other languages
English (en)
French (fr)
Other versions
EP3176797B1 (de
EP3176797A1 (de
Inventor
Kazuhiro Hagiwara
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Publication of EP3176797A1 publication Critical patent/EP3176797A1/de
Publication of EP3176797A4 publication Critical patent/EP3176797A4/de
Application granted granted Critical
Publication of EP3176797B1 publication Critical patent/EP3176797B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01F1/15333—Amorphous metallic alloys, e.g. glassy metals containing nanocrystallites, e.g. obtained by annealing
    • 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
    • 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
    • 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
    • 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
    • H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Transformers For Measuring Instruments (AREA)
EP15827190.8A 2014-07-28 2015-07-27 Verfahren zur herstellung eines stromwandlerkerns Active EP3176797B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014152849 2014-07-28
PCT/JP2015/071243 WO2016017578A1 (ja) 2014-07-28 2015-07-27 カレントトランス用コアおよびその製造方法、ならびに当該コアを備える装置

Publications (3)

Publication Number Publication Date
EP3176797A1 EP3176797A1 (de) 2017-06-07
EP3176797A4 true EP3176797A4 (de) 2018-03-21
EP3176797B1 EP3176797B1 (de) 2020-09-02

Family

ID=55217479

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15827190.8A Active EP3176797B1 (de) 2014-07-28 2015-07-27 Verfahren zur herstellung eines stromwandlerkerns

Country Status (5)

Country Link
EP (1) EP3176797B1 (de)
JP (1) JP6491666B2 (de)
CN (1) CN106575567B (de)
ES (1) ES2833413T3 (de)
WO (1) WO2016017578A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106409460A (zh) * 2016-08-22 2017-02-15 吴雅萍 一种软磁合金
CN106319188B (zh) * 2016-09-29 2018-01-16 安徽工业大学 一种适用于环形器件的磁场热处理方法
CN106952720B (zh) * 2017-02-28 2020-05-01 佛山市中研非晶科技股份有限公司 一种磁放大器用钴基非晶铁芯的制备方法
CN109298066A (zh) * 2018-09-10 2019-02-01 兰州交通大学 一种开口式电流互感器铁芯锈蚀检测装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5252148A (en) * 1989-05-27 1993-10-12 Tdk Corporation Soft magnetic alloy, method for making, magnetic core, magnetic shield and compressed powder core using the same
JP2859286B2 (ja) * 1989-03-09 1999-02-17 日立金属株式会社 超微結晶磁性合金の製造方法
WO2002023560A1 (de) * 2000-09-15 2002-03-21 Vacuumschmelze Gmbh & Co. Kg Transduktordrossel mit magnetkern, verwendung von transduktordrosseln sowie verfahren zur herstellung von magnetkernen für transduktordrosseln
US20060077030A1 (en) * 2003-04-02 2006-04-13 Vacuumschmelze Gmbh & Co. Kg. Magnet core

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS596360A (ja) * 1982-07-02 1984-01-13 Sony Corp 非晶質磁性合金の熱処理方法
JP2710949B2 (ja) * 1988-03-30 1998-02-10 日立金属株式会社 超微結晶軟磁性合金の製造方法
JP3719449B2 (ja) * 1994-04-15 2005-11-24 日立金属株式会社 ナノ結晶合金およびその製造方法ならびにそれを用いた磁心
JP3856245B2 (ja) * 1994-07-20 2006-12-13 日立金属株式会社 高透磁率ナノ結晶合金の製造方法
JPH11186020A (ja) * 1997-12-18 1999-07-09 Toshiba Corp 零相変流器
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2859286B2 (ja) * 1989-03-09 1999-02-17 日立金属株式会社 超微結晶磁性合金の製造方法
US5252148A (en) * 1989-05-27 1993-10-12 Tdk Corporation Soft magnetic alloy, method for making, magnetic core, magnetic shield and compressed powder core using the same
WO2002023560A1 (de) * 2000-09-15 2002-03-21 Vacuumschmelze Gmbh & Co. Kg Transduktordrossel mit magnetkern, verwendung von transduktordrosseln sowie verfahren zur herstellung von magnetkernen für transduktordrosseln
US20060077030A1 (en) * 2003-04-02 2006-04-13 Vacuumschmelze Gmbh & Co. Kg. Magnet core

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016017578A1 *

Also Published As

Publication number Publication date
EP3176797B1 (de) 2020-09-02
JP6491666B2 (ja) 2019-03-27
EP3176797A1 (de) 2017-06-07
CN106575567B (zh) 2020-05-12
ES2833413T3 (es) 2021-06-15
CN106575567A (zh) 2017-04-19
WO2016017578A1 (ja) 2016-02-04
JPWO2016017578A1 (ja) 2017-06-15

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