KR950014895A - 직류(dc) 전류 센서 - Google Patents

직류(dc) 전류 센서 Download PDF

Info

Publication number
KR950014895A
KR950014895A KR1019940028606A KR19940028606A KR950014895A KR 950014895 A KR950014895 A KR 950014895A KR 1019940028606 A KR1019940028606 A KR 1019940028606A KR 19940028606 A KR19940028606 A KR 19940028606A KR 950014895 A KR950014895 A KR 950014895A
Authority
KR
South Korea
Prior art keywords
core
coil
current sensor
detected
current
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.)
Ceased
Application number
KR1019940028606A
Other languages
English (en)
Korean (ko)
Inventor
마코토 가와카미
Original Assignee
오카모토 유지
스미토모 도큐슈 긴조쿠 가부시키가이샤
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 오카모토 유지, 스미토모 도큐슈 긴조쿠 가부시키가이샤 filed Critical 오카모토 유지
Publication of KR950014895A publication Critical patent/KR950014895A/ko
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/18—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers
    • G01R19/20—Arrangements 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
    • 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
    • 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
    • H01F2038/305—Constructions 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)
  • Transformers For Measuring Instruments (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
KR1019940028606A 1993-11-02 1994-11-02 직류(dc) 전류 센서 Ceased KR950014895A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP93-297542 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
KR950014895A true KR950014895A (ko) 1995-06-16

Family

ID=17847890

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940028606A Ceased KR950014895A (ko) 1993-11-02 1994-11-02 직류(dc) 전류 센서

Country Status (6)

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

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
DE102011110648A1 (de) * 2011-08-18 2013-02-21 Universität Stuttgart Strommessgerät
WO2013023643A1 (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
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
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
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
EP0651258A3 (en) 1995-05-31
TW284849B (https=) 1996-09-01
CA2134576A1 (en) 1995-05-03
JPH07128373A (ja) 1995-05-19
EP0651258A2 (en) 1995-05-03
CN1109599A (zh) 1995-10-04

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Patent event code: PA01091R01D

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Patent event date: 19941102

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