TW350916B - DC current sensor the invention relates to a DC current sensor - Google Patents

DC current sensor the invention relates to a DC current sensor

Info

Publication number
TW350916B
TW350916B TW083109488A TW83109488A TW350916B TW 350916 B TW350916 B TW 350916B TW 083109488 A TW083109488 A TW 083109488A TW 83109488 A TW83109488 A TW 83109488A TW 350916 B TW350916 B TW 350916B
Authority
TW
Taiwan
Prior art keywords
magnetic
detecting
excitation
core
conductor
Prior art date
Application number
TW083109488A
Other languages
English (en)
Inventor
Makoto Kawakami
Shigeru Yamaguchi
Original Assignee
Sumitomo Special Metals Company 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 Company Ltd filed Critical Sumitomo Special Metals Company Ltd
Application granted granted Critical
Publication of TW350916B publication Critical patent/TW350916B/zh

Links

Classifications

    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
    • G01R15/185—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core with compensation or feedback windings or interacting coils, e.g. 0-flux sensors

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)
  • Transformers For Measuring Instruments (AREA)
  • Measurement Of Current Or Voltage (AREA)
TW083109488A 1993-10-12 1994-10-13 DC current sensor the invention relates to a DC current sensor TW350916B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28010493A JP3286431B2 (ja) 1993-10-12 1993-10-12 直流電流センサー

Publications (1)

Publication Number Publication Date
TW350916B true TW350916B (en) 1999-01-21

Family

ID=17620380

Family Applications (1)

Application Number Title Priority Date Filing Date
TW083109488A TW350916B (en) 1993-10-12 1994-10-13 DC current sensor the invention relates to a DC current sensor

Country Status (8)

Country Link
US (1) US5523677A (zh)
EP (1) EP0647853B1 (zh)
JP (1) JP3286431B2 (zh)
KR (1) KR0135219B1 (zh)
CN (1) CN1052303C (zh)
CA (1) CA2133863C (zh)
DE (1) DE69434496T2 (zh)
TW (1) TW350916B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11611300B2 (en) 2020-11-25 2023-03-21 Delta Electronics, Inc. Current sensing correction method and driving system using same

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5694103A (en) * 1996-04-25 1997-12-02 Schlumberger Industries, Inc. Laminated figure 8 power meter core
US6392400B1 (en) * 1998-10-08 2002-05-21 Schlumberger Resource Management Services High linearity, low offset interface for Hall effect devices
US6885185B1 (en) 1998-12-01 2005-04-26 Itron Electricity Metering, Inc. Modular meter configuration and methodology
US6380735B1 (en) * 1999-04-30 2002-04-30 Sumitomo Special Metals Co., Ltd. Orthogonal flux-gate type magnetic sensor
DE10003638A1 (de) * 2000-01-28 2001-08-09 Vacuumschmelze Gmbh Kompensationsstromsensor
DE10011047B4 (de) * 2000-03-07 2010-04-15 Vacuumschmelze Gmbh Direktabbildender Stromsensor
DE10052171A1 (de) * 2000-10-20 2002-05-02 Vacuumschmelze Gmbh Stromsensor nach dem Kompensationsprinzip mit schwimmender Bürde
GB0102602D0 (en) * 2001-02-01 2001-03-21 Plymouth Entpr Partnerships Lt Magnetic field detector and a current monitoring device including such a detector
US7218092B2 (en) * 2002-06-18 2007-05-15 Loyal Port Company Limited Magnetic bridge type current sensor, magnetic bridge type current detecting method, and magnetic bridge for use in that sensor and detecting method
CN100394199C (zh) * 2004-05-18 2008-06-11 华中科技大学 直流电流传感器
DE102006032763B4 (de) 2006-07-14 2009-05-07 Lisa Dräxlmaier GmbH Vorrichtung und Verfahren zur Messung eines in einem elektrischen Leiter fließenden Stromes
DE102006032762B8 (de) 2006-07-14 2009-10-08 Lisa Dräxlmaier GmbH Verfahren zur Messung eines in einem elektrischen Leiter fließenden Stromes und Verwendung des Verfahrens sowie einer Vorrichtung zur Überwachung von Strömen im Bordnetz eines Kraftfahrzeugs
JP2008039517A (ja) * 2006-08-03 2008-02-21 Denso Corp 電流センサ
US20080042637A1 (en) * 2006-08-18 2008-02-21 Honeywell International Inc. Magnetic toroid self resonant current sensor
CN101363876B (zh) * 2007-08-10 2011-04-06 台达电子工业股份有限公司 电流感应器及其铁芯组
DE102007062633B4 (de) * 2007-12-22 2010-04-15 Sensitec Gmbh Anordnung zum potentialfreien Messen von Strömen
DE102008012665A1 (de) * 2008-03-05 2009-09-10 Conti Temic Microelectronic Gmbh Strommessvorrichtung mittels magnetempfindlichem Sensor für ein leistungselektronisches System
JP5414420B2 (ja) * 2009-08-21 2014-02-12 ジェコー株式会社 電流センサ及びその製造方法
JP5524540B2 (ja) * 2009-09-01 2014-06-18 株式会社東海理化電機製作所 電流センサ
CN102081115B (zh) * 2010-12-08 2012-09-05 湖南大学 一种基于交流检测的直流大电流间接测量方法与装置
US20130027021A1 (en) * 2011-07-28 2013-01-31 Abb Inc. Current sensor
JP2013130447A (ja) * 2011-12-21 2013-07-04 Tamura Seisakusho Co Ltd 電流センサ用ループコア及び電流センサ
CN102890175B (zh) * 2012-10-24 2015-07-01 无锡乐尔科技有限公司 用于电流传感器的磁电阻集成芯片
DE102012021364A1 (de) * 2012-11-02 2014-05-08 SIEVA d.o.o. - poslovna enota Idrija Gerät zur isolierten Messung von Strom und Verfahren zur isolierten Ermittlung von Strom
CN105949033B (zh) * 2016-05-11 2019-02-05 浙江工业大学 一种对苯醌催化加氢制备1,4-环己二醇的方法
CN111257611A (zh) * 2018-12-03 2020-06-09 新乡学院 磁感线圈法测量超导线中输运电流装置
KR102114601B1 (ko) * 2020-02-07 2020-06-17 이형준 고전력 케이블의 부분방전 측정용 이중 토로이드 고주파 씨티 센서 장치

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH270675A (de) * 1949-02-10 1950-09-15 W N Gerber Quarzhuette Silectr Verfahren und Einrichtung zur Beeinflussung eines magnetischen Flusses.
US3007106A (en) * 1958-07-25 1961-10-31 Hewlett Packard Co Current meter and probe therefor
US3284710A (en) * 1962-07-03 1966-11-08 Magnaflux Corp A.c. or pulsating d.c. input signal current measuring transformer system with transformer output ratios corresponding to the input signal
US3634875A (en) * 1970-06-24 1972-01-11 Westinghouse Electric Corp Bidirectional direct-current detector with transformer isolation
US4021729A (en) * 1975-12-03 1977-05-03 I-T-E Imperial Corporation Cross-field ground fault sensor
BE856056A (nl) * 1976-07-13 1977-12-23 Hazemeijer Bv Stroommeetsysteem, meer in het bijzonder toepasbaar als aardlek deteciesysteem, en met een dergelijk systeem uitgeruste functionele inrichting, zoals een aardlekschakelaar
US4280162A (en) * 1977-08-04 1981-07-21 North American Philips Corporation Ground fault circuit interrupter
US4182982A (en) * 1978-07-11 1980-01-08 Westinghouse Electric Corp. Current sensing transducer for power line current measurements
JPS5946859A (ja) * 1982-09-10 1984-03-16 Matsushita Electric Works Ltd 電流検出装置
US4706017A (en) * 1985-08-05 1987-11-10 Hamilton Standard Controls, Inc. Electrical current sensor
FR2678069A1 (fr) * 1991-06-18 1992-12-24 Commissariat Energie Atomique Capteur de courant utilisant un magnetometre directionnel a resonance.
CA2100135C (en) * 1992-07-10 1997-11-04 Makoto Kawakami Dc current sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11611300B2 (en) 2020-11-25 2023-03-21 Delta Electronics, Inc. Current sensing correction method and driving system using same

Also Published As

Publication number Publication date
DE69434496T2 (de) 2006-06-22
EP0647853A2 (en) 1995-04-12
DE69434496D1 (de) 2006-02-09
CN1109974A (zh) 1995-10-11
EP0647853A3 (en) 1995-08-30
KR950012078A (ko) 1995-05-16
JPH07110343A (ja) 1995-04-25
US5523677A (en) 1996-06-04
CN1052303C (zh) 2000-05-10
JP3286431B2 (ja) 2002-05-27
CA2133863A1 (en) 1995-04-13
KR0135219B1 (ko) 1998-05-15
EP0647853B1 (en) 2005-09-28
CA2133863C (en) 2002-08-20

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees