CN1109599A - 直流电流传感器 - Google Patents

直流电流传感器 Download PDF

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Publication number
CN1109599A
CN1109599A CN94117624A CN94117624A CN1109599A CN 1109599 A CN1109599 A CN 1109599A CN 94117624 A CN94117624 A CN 94117624A CN 94117624 A CN94117624 A CN 94117624A CN 1109599 A CN1109599 A CN 1109599A
Authority
CN
China
Prior art keywords
iron core
current
coil
current sensor
magnetic
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.)
Pending
Application number
CN94117624A
Other languages
English (en)
Chinese (zh)
Inventor
川上诚
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
Sumitomo Special Metals Co 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 Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Publication of CN1109599A publication Critical patent/CN1109599A/zh
Pending legal-status Critical Current

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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)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Transformers For Measuring Instruments (AREA)
CN94117624A 1993-11-02 1994-11-02 直流电流传感器 Pending CN1109599A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP297542/93 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
CN1109599A true CN1109599A (zh) 1995-10-04

Family

ID=17847890

Family Applications (1)

Application Number Title Priority Date Filing Date
CN94117624A Pending CN1109599A (zh) 1993-11-02 1994-11-02 直流电流传感器

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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN101949965A (zh) * 2009-07-09 2011-01-19 株式会社田村制作所 电流传感器
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

Families Citing this family (18)

* 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
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
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101949965A (zh) * 2009-07-09 2011-01-19 株式会社田村制作所 电流传感器
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
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

Also Published As

Publication number Publication date
JPH07128373A (ja) 1995-05-19
EP0651258A3 (en) 1995-05-31
CA2134576A1 (en) 1995-05-03
TW284849B (enExample) 1996-09-01
KR950014895A (ko) 1995-06-16
EP0651258A2 (en) 1995-05-03

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C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C01 Deemed withdrawal of patent application (patent law 1993)
WD01 Invention patent application deemed withdrawn after publication