PL1840906T3 - Rdzeń magnetyczny do przekładnika prądowego, przekładnik prądowy i licznik watogodzinowy - Google Patents

Rdzeń magnetyczny do przekładnika prądowego, przekładnik prądowy i licznik watogodzinowy

Info

Publication number
PL1840906T3
PL1840906T3 PL05816635T PL05816635T PL1840906T3 PL 1840906 T3 PL1840906 T3 PL 1840906T3 PL 05816635 T PL05816635 T PL 05816635T PL 05816635 T PL05816635 T PL 05816635T PL 1840906 T3 PL1840906 T3 PL 1840906T3
Authority
PL
Poland
Prior art keywords
current transformer
magnetic core
watthour meter
watthour
meter
Prior art date
Application number
PL05816635T
Other languages
English (en)
Inventor
Yoshihito Yoshizawa
Masamu Naoe
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 PL1840906T3 publication Critical patent/PL1840906T3/pl

Links

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
    • H01F1/15308—Amorphous metallic alloys, e.g. glassy metals based on Fe/Ni
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/003—Making ferrous alloys making amorphous alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C45/00—Amorphous alloys
    • C22C45/02—Amorphous alloys with iron as the major constituent
    • 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
    • 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)
    • H01F41/0226—Manufacturing of magnetic circuits made from strip(s) or ribbon(s) from amorphous 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
    • H01F1/14708—Fe-Ni based alloys
    • 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
    • H01F1/14766—Fe-Si based alloys
    • 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
    • H01F1/15316—Amorphous metallic alloys, e.g. glassy metals based on Co
    • 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
    • H01F38/30—Constructions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Soft Magnetic Materials (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
PL05816635T 2004-12-17 2005-12-16 Rdzeń magnetyczny do przekładnika prądowego, przekładnik prądowy i licznik watogodzinowy PL1840906T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004365957 2004-12-17
PCT/JP2005/023181 WO2006064920A1 (ja) 2004-12-17 2005-12-16 カレントトランス用磁心、カレントトランス及び電力量計
EP05816635.6A EP1840906B1 (en) 2004-12-17 2005-12-16 Magnetic core for current transformer, current transformer and watthour meter

Publications (1)

Publication Number Publication Date
PL1840906T3 true PL1840906T3 (pl) 2015-11-30

Family

ID=36587969

Family Applications (1)

Application Number Title Priority Date Filing Date
PL05816635T PL1840906T3 (pl) 2004-12-17 2005-12-16 Rdzeń magnetyczny do przekładnika prądowego, przekładnik prądowy i licznik watogodzinowy

Country Status (8)

Country Link
US (1) US7473325B2 (pl)
EP (1) EP1840906B1 (pl)
JP (1) JP4716033B2 (pl)
CN (1) CN101080788A (pl)
ES (1) ES2542019T3 (pl)
HU (1) HUE027441T2 (pl)
PL (1) PL1840906T3 (pl)
WO (1) WO2006064920A1 (pl)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007299838A (ja) * 2006-04-28 2007-11-15 Hitachi Metals Ltd カレントトランス用磁心、カレントトランスならびに電力量計
JP4917972B2 (ja) * 2007-06-13 2012-04-18 株式会社巧電社 電池レス化用誘導コイルの取付方法
KR100904664B1 (ko) * 2008-06-03 2009-06-25 주식회사 에이엠오 전류 센서용 자기 코어
CN101620906B (zh) * 2009-06-10 2011-08-03 中国科学院上海硅酸盐研究所 一种块体纳米晶软磁合金材料及其制备方法
JP4815014B2 (ja) 2009-08-24 2011-11-16 Ｎｅｃトーキン株式会社 合金組成物、Ｆｅ基ナノ結晶合金及びその製造方法
CN102169754B (zh) * 2011-01-26 2012-09-19 北京水木源华电气有限公司 电流电压互感器
JP5186036B2 (ja) * 2011-03-31 2013-04-17 日新製鋼株式会社 Ｉｐｍモータの回転子及びそれを用いたｉｐｍモータ
WO2013087627A1 (en) * 2011-12-12 2013-06-20 Ocas Onderzoekscentrum Voor Aanwending Van Staal N.V. Fe-based soft magnetic glassy alloy material
TWI470255B (zh) * 2013-02-04 2015-01-21 China Steel Corp Thin strip magnetic measuring device
CN103258623A (zh) * 2013-05-22 2013-08-21 安泰科技股份有限公司 一种恒导磁磁芯及其制造方法和用途
CN103258612B (zh) * 2013-05-22 2017-07-21 安泰科技股份有限公司 一种低导磁磁芯及其制造方法和用途
US9293245B2 (en) * 2013-08-05 2016-03-22 Qualcomm Mems Technologies, Inc. Integration of a coil and a discontinuous magnetic core
US9852837B2 (en) * 2014-01-28 2017-12-26 General Electric Company Multi-winding high sensitivity current transformer
JP6477718B2 (ja) * 2014-10-10 2019-03-06 日立金属株式会社 電流検出方法、電流検出装置、電流検出装置の信号補正方法、及び電流検出装置の信号補正装置
WO2016104000A1 (ja) * 2014-12-22 2016-06-30 日立金属株式会社 Ｆｅ基軟磁性合金薄帯およびそれを用いた磁心
KR101730228B1 (ko) * 2015-01-27 2017-04-26 삼성전기주식회사 자성체 조성물을 포함하는 인덕터 및 그 제조 방법
CN105755368A (zh) * 2016-04-08 2016-07-13 郑州大学 一种铁基纳米晶态软磁合金及其应用
CN106298141A (zh) * 2016-10-11 2017-01-04 东南大学 一种铁基纳米晶软磁合金材料及其制备方法
KR101884428B1 (ko) * 2016-10-26 2018-08-01 주식회사 포스코 방향성 전기강판 및 이의 제조방법
US20190368013A1 (en) * 2016-12-08 2019-12-05 Carnegie Mellon University Fe-Ni Nanocomposite Alloys
US11462358B2 (en) 2017-08-18 2022-10-04 Northeastern University Method of tetratenite production and system therefor
JP6428884B1 (ja) 2017-09-11 2018-11-28 愛知製鋼株式会社 磁気センサ用感磁ワイヤおよびその製造方法
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
JP6791227B2 (ja) * 2018-11-02 2020-11-25 愛知製鋼株式会社 磁気センサ用感磁ワイヤおよびその製造方法
CN109507280A (zh) * 2018-11-12 2019-03-22 中国计量大学 一种用于低频电磁检测的交流饱和磁化装置
DE102019105215A1 (de) 2019-03-01 2020-09-03 Vacuumschmelze Gmbh & Co. Kg Legierung und Verfahren zur Herstellung eines Magnetkerns
DE102020116428A1 (de) * 2020-06-22 2021-12-23 Magnetec Gmbh Sensor, Schutzschalter, Ladekabel und Ladestation
EP4009506A1 (en) * 2020-12-07 2022-06-08 Tridonic GmbH & Co. KG Synchronous converter and lighting system comprising the same

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6479342A (en) 1986-12-15 1989-03-24 Hitachi Metals Ltd Fe-base soft magnetic alloy and its production
JP2672306B2 (ja) * 1987-09-09 1997-11-05 日立金属株式会社 Ｆｅ基アモルファス合金
JP2501860B2 (ja) 1988-03-15 1996-05-29 日立金属株式会社 磁気センサ―及び電流センサ―並びにこれを用いた装置
JPH01242755A (ja) 1988-03-23 1989-09-27 Hitachi Metals Ltd Ｆｅ基磁性合金
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
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
DE69018422T2 (de) * 1989-12-28 1995-10-19 Toshiba Kawasaki Kk Auf Eisen basierende weichmagnetische Legierung, ihr Herstellungsverfahren und Magnetkern daraus.
JPH03271346A (ja) * 1990-03-20 1991-12-03 Tdk Corp 軟磁性合金
CA2040741C (en) * 1990-04-24 2000-02-08 Kiyonori Suzuki Fe based soft magnetic alloy, magnetic materials containing same, and magnetic apparatus using the magnetic materials
JPH05203679A (ja) 1991-05-30 1993-08-10 Matsushita Electric Works Ltd 電流センサー
JPH05255820A (ja) * 1992-01-09 1993-10-05 Toshiba Corp 恒透磁率性を有するＦｅ基合金とその製造方法、およびそれを用いたＦｅ基磁心
JP3233313B2 (ja) * 1993-07-21 2001-11-26 日立金属株式会社 パルス減衰特性に優れたナノ結晶合金の製造方法
JPH0950907A (ja) * 1995-08-04 1997-02-18 Hitachi Metals Ltd ガス絶縁開閉機器用磁心
JPH11102827A (ja) * 1997-09-26 1999-04-13 Hitachi Metals Ltd 可飽和リアクトル用コア、およびこれを用いた磁気増幅器方式多出力スイッチングレギュレータ、並びにこれを用いたコンピュータ
JPH11297521A (ja) * 1998-04-09 1999-10-29 Hitachi Metals Ltd ナノ結晶高磁歪合金ならびにそれを用いたセンサー
EP1114429B1 (de) 1998-09-17 2003-11-12 Vacuumschmelze GmbH Stromwandler mit gleichstromtoleranz
JP2000119821A (ja) * 1998-10-15 2000-04-25 Hitachi Metals Ltd 恒透磁率性に優れた高飽和磁束密度低損失磁性合金ならびにそれを用いた磁性部品
ES2264277T3 (es) 1998-11-13 2006-12-16 Vacuumschmelze Gmbh Nucleo magnetico adecuado para su uso en un transformador de intesidad, procedimiento para fabricar un nucleo magnetico y transformador de intensidad con un nucleo magnetico.
JP2000252111A (ja) * 1999-02-25 2000-09-14 Hitachi Metals Ltd 高周波用可飽和磁心ならびにこれを用いた装置
JP2004353090A (ja) 1999-04-15 2004-12-16 Hitachi Metals Ltd 合金薄帯並びにそれを用いた部材
EP1045402B1 (en) 1999-04-15 2011-08-31 Hitachi Metals, Ltd. Soft magnetic alloy strip, manufacturing method and use thereof
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
JP2001155946A (ja) * 1999-11-25 2001-06-08 Hitachi Metals Ltd カレントトランスおよびその製造方法
US6648990B2 (en) * 2001-03-01 2003-11-18 Hitachi Metals, Ltd. Co-based magnetic alloy and magnetic members made of the same
US7061355B2 (en) * 2002-08-30 2006-06-13 Hitachi Metals, Ltd. Ferrite core, CATV equipment and bi-directional CATV system
JP4210986B2 (ja) * 2003-01-17 2009-01-21 日立金属株式会社 磁性合金ならびにそれを用いた磁性部品
DE502004005431D1 (de) * 2003-04-02 2007-12-20 Vacuumschmelze Gmbh & Co Kg Magnetkern, verfahren zur herstellung eines solchen magnetkerns, anwendungen eines solchen magnetkerns insbesondere bei stromtransformatoren und stromkompensierten drosseln sowie legierungen und bänder zur herstellung eines solchen magnetkerns

Also Published As

Publication number Publication date
US7473325B2 (en) 2009-01-06
EP1840906B1 (en) 2015-06-03
ES2542019T3 (es) 2015-07-29
WO2006064920A1 (ja) 2006-06-22
CN101080788A (zh) 2007-11-28
EP1840906A4 (en) 2010-07-28
US20080129437A1 (en) 2008-06-05
HUE027441T2 (en) 2016-10-28
JP4716033B2 (ja) 2011-07-06
EP1840906A1 (en) 2007-10-03
JPWO2006064920A1 (ja) 2008-06-12

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