CA2134576A1 - Dc current sensor - Google Patents

Dc current sensor

Info

Publication number
CA2134576A1
CA2134576A1 CA002134576A CA2134576A CA2134576A1 CA 2134576 A1 CA2134576 A1 CA 2134576A1 CA 002134576 A CA002134576 A CA 002134576A CA 2134576 A CA2134576 A CA 2134576A CA 2134576 A1 CA2134576 A1 CA 2134576A1
Authority
CA
Canada
Prior art keywords
core
current
coil
detected
current sensor
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.)
Abandoned
Application number
CA002134576A
Other languages
English (en)
French (fr)
Inventor
Makoto Kawakami
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
Individual
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 Individual filed Critical Individual
Publication of CA2134576A1 publication Critical patent/CA2134576A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/18Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers
    • G01R19/20Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers using transductors, i.e. a magnetic core transducer the saturation of which is cyclically reversed by an AC source on the secondary side
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20Instruments transformers
    • H01F38/22Instruments transformers for single phase AC
    • H01F38/28Current transformers
    • H01F38/30Constructions
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20Instruments transformers
    • H01F38/22Instruments transformers for single phase AC
    • H01F38/28Current transformers
    • H01F38/30Constructions
    • H01F2038/305Constructions with toroidal magnetic core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Transformers For Measuring Instruments (AREA)
CA002134576A 1993-11-02 1994-10-28 Dc current sensor Abandoned CA2134576A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5-297542 1993-11-02
JP5297542A JPH07128373A (ja) 1993-11-02 1993-11-02 直流電流センサー

Publications (1)

Publication Number Publication Date
CA2134576A1 true CA2134576A1 (en) 1995-05-03

Family

ID=17847890

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002134576A Abandoned CA2134576A1 (en) 1993-11-02 1994-10-28 Dc current sensor

Country Status (6)

Country Link
EP (1) EP0651258A3 (enExample)
JP (1) JPH07128373A (enExample)
KR (1) KR950014895A (enExample)
CN (1) CN1109599A (enExample)
CA (1) CA2134576A1 (enExample)
TW (1) TW284849B (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19845778B4 (de) * 1998-09-22 2004-04-29 Siemens Ag Verfahren zur Abbildung von Gleichströmen und Gleichstromwandler zur Durchführung des Verfahrens
FR2824951B1 (fr) * 2001-05-21 2003-07-25 Schneider Electric Ind Sa Transformateur de detection pour dispositif de protection differentielle et dispositif de protection comportant un tel transformateur
KR100831338B1 (ko) * 2006-12-15 2008-05-22 한국전기연구원 아크전류 식별을 위한 신호검출회로 및 디지털 데이터처리방법과 자체성능 시험방법
JP2011017618A (ja) * 2009-07-09 2011-01-27 Tamura Seisakusho Co Ltd 電流センサ
CN101813723A (zh) * 2010-04-07 2010-08-25 中环光伏系统有限公司 一种非接触式测量直流电流的方法
JP5606941B2 (ja) * 2011-01-26 2014-10-15 ヒロセ電機株式会社 フラックスゲートセンサ
WO2013023643A1 (de) 2011-08-18 2013-02-21 Universität Stuttgart Strommessgerät
DE102011110648A1 (de) * 2011-08-18 2013-02-21 Universität Stuttgart Strommessgerät
JP5943768B2 (ja) * 2011-08-25 2016-07-05 三菱電機株式会社 直流電流検出装置
JP2013096848A (ja) * 2011-11-01 2013-05-20 Hirose Electric Co Ltd 電流センサ
JP2013148439A (ja) * 2012-01-19 2013-08-01 Hirose Electric Co Ltd 電流センサ
JP6033569B2 (ja) * 2012-03-30 2016-11-30 トヨタ自動車株式会社 電流測定方法
KR101329240B1 (ko) * 2012-10-31 2013-11-20 이상철 플럭스 게이트 방식의 비접촉 전류 계측기
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
JP6300016B2 (ja) * 2014-03-12 2018-03-28 パナソニックIpマネジメント株式会社 トロイダルコイル装置およびそれを用いた電流計測装置
WO2015136910A1 (ja) * 2014-03-12 2015-09-17 パナソニックIpマネジメント株式会社 トロイダルコイル装置およびそれを用いた電流計測装置
CN108120865A (zh) * 2017-12-18 2018-06-05 海宁天悦电子有限公司 一种灵敏度高安全型电流传感器
US11181555B2 (en) 2018-04-30 2021-11-23 Isentek Inc. Current sensing method and current sensor
DE102018119017A1 (de) * 2018-08-06 2020-02-06 Tridonic Gmbh & Co Kg Synchrone Sperrwandlerschaltung zum Betrieb einer Leuchtmittelstrecke
CN113552405B (zh) * 2021-07-23 2024-08-20 国电南瑞科技股份有限公司 一种高频电流传感器及放电电流检测方法
EP4557327A1 (de) * 2023-11-16 2025-05-21 Pepperl+Fuchs SE Signalübertragungsvorrichtung für analoge stromsignale

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2300802A1 (de) * 1973-01-09 1974-07-11 Philips Patentverwaltung Schaltungsanordnung zur potentialfreien strommessung
US3883835A (en) * 1974-07-10 1975-05-13 Electromagnetic Ind Inc Ground fault sensor current transformer
DE3715789A1 (de) * 1987-05-12 1988-12-01 Bosch Gmbh Robert Potentialgetrennter stromwandler zur messung von gleich- und wechselstroemen
FR2615956B1 (fr) * 1987-05-27 1989-08-18 Chauvin Arnoux Sa Procede et dispositif de mesure d'un courant continu tout en maintenant une isolation galvanique

Also Published As

Publication number Publication date
JPH07128373A (ja) 1995-05-19
EP0651258A3 (en) 1995-05-31
TW284849B (enExample) 1996-09-01
KR950014895A (ko) 1995-06-16
CN1109599A (zh) 1995-10-04
EP0651258A2 (en) 1995-05-03

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued