KR0121299B1 - Dc current sensor - Google Patents

Dc current sensor

Info

Publication number
KR0121299B1
KR0121299B1 KR93013048A KR930013048A KR0121299B1 KR 0121299 B1 KR0121299 B1 KR 0121299B1 KR 93013048 A KR93013048 A KR 93013048A KR 930013048 A KR930013048 A KR 930013048A KR 0121299 B1 KR0121299 B1 KR 0121299B1
Authority
KR
South Korea
Prior art keywords
current sensor
sensor
current
Prior art date
Application number
KR93013048A
Other languages
English (en)
Other versions
KR940005959A (ko
Inventor
Makoto Kawakami
Shigeru Yamaguchi
Original Assignee
Sumitomo Special Metals Kk
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 Kk filed Critical Sumitomo Special Metals Kk
Publication of KR940005959A publication Critical patent/KR940005959A/ko
Application granted granted Critical
Publication of KR0121299B1 publication Critical patent/KR0121299B1/ko

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
    • 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)
KR93013048A 1992-07-10 1993-07-10 Dc current sensor KR0121299B1 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP92-207381 1992-07-10
JP20738092 1992-07-10
JP20738192 1992-07-10
JP92-207380 1992-07-10
JP92-322363 1992-11-05
JP32236392 1992-11-05
JP3136193 1993-01-26
JP93-31361 1993-01-26

Publications (2)

Publication Number Publication Date
KR940005959A KR940005959A (ko) 1994-03-22
KR0121299B1 true KR0121299B1 (en) 1997-12-04

Family

ID=27459418

Family Applications (1)

Application Number Title Priority Date Filing Date
KR93013048A KR0121299B1 (en) 1992-07-10 1993-07-10 Dc current sensor

Country Status (7)

Country Link
US (2) US5486756A (ko)
EP (1) EP0579462B1 (ko)
KR (1) KR0121299B1 (ko)
CN (1) CN1064131C (ko)
CA (1) CA2100135C (ko)
DE (1) DE69334074T2 (ko)
TW (1) TW234743B (ko)

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JP3286431B2 (ja) * 1993-10-12 2002-05-27 住友特殊金属株式会社 直流電流センサー
US6013939A (en) 1997-10-31 2000-01-11 National Scientific Corp. Monolithic inductor with magnetic flux lines guided away from substrate
JP3720238B2 (ja) * 2000-04-24 2005-11-24 矢崎総業株式会社 電流検出スイッチ及びこれを用いた装置
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
JP4579523B2 (ja) * 2003-09-30 2010-11-10 株式会社エルポート 磁気ブリッジ型電力センサー
DE102005024075B4 (de) * 2005-05-25 2007-04-12 Lisa Dräxlmaier GmbH Verfahren und Vorrichtung zur Messung eines in einem elektrischen Leiter fließenden Stroms
DE102005039152A1 (de) * 2005-08-17 2007-02-22 Robert Bosch Gmbh Mechanische Trägereinrichtung sowie Messgerät mit einer mechanischen Trägereinrichtung
DE102005040316B4 (de) 2005-08-25 2007-09-27 Lisa Dräxlmaier GmbH Vorrichtung und Verfahren zur Messung eines in einem elektrischen Leiter fließenden Stromes
GB2432008B (en) * 2005-11-07 2009-09-30 Omnicharge Ltd Current sensor
DE102006032763B4 (de) * 2006-07-14 2009-05-07 Lisa Dräxlmaier GmbH Vorrichtung und Verfahren zur Messung eines in einem elektrischen Leiter fließenden Stromes
US20080042637A1 (en) * 2006-08-18 2008-02-21 Honeywell International Inc. Magnetic toroid self resonant current sensor
US7615989B2 (en) * 2006-10-06 2009-11-10 Honeywell International Inc. Method and apparatus for DC integrated current sensor
US8466697B2 (en) * 2009-04-28 2013-06-18 Lam Research Corporation Arrangements for detecting discontinuity of flexible connections for current flow and methods thereof
WO2010149331A1 (de) * 2009-06-24 2010-12-29 Abb Research Ltd. Vorrichtung zum messen von elektrischem strom
US9823274B2 (en) 2009-07-31 2017-11-21 Pulse Electronics, Inc. Current sensing inductive devices
US9664711B2 (en) 2009-07-31 2017-05-30 Pulse Electronics, Inc. Current sensing devices and methods
US9151782B2 (en) 2009-07-31 2015-10-06 Pulse Electronics, Inc. Current sensing devices and methods
CN101706526B (zh) * 2009-11-06 2015-04-01 徐先 脉宽检测式磁调制直流电流测量方法及装置
CN101957399B (zh) * 2010-09-21 2014-04-30 中国电力科学研究院 一种数字闭环型光纤电流传感器
DE102011013270A1 (de) * 2011-03-07 2012-09-13 Areva Np Gmbh Vorrichtung zur Detektion eines magnetisch leitfähigen Objektes sowie Stellungsmesssystem zur Positionsmessung eines Führstabes und zugehöriges Positionsmessverfahren
DE102011080041A1 (de) * 2011-07-28 2013-04-11 Vacuumschmelze Gmbh & Co. Kg Stromsensoranordnung
US9304149B2 (en) 2012-05-31 2016-04-05 Pulse Electronics, Inc. Current sensing devices and methods
DE102012209782B4 (de) 2012-06-12 2017-10-19 Bender Gmbh & Co. Kg Verfahren und Vorrichtung zur allstromsensitiven Strommessung
US9389619B2 (en) * 2013-07-29 2016-07-12 The Boeing Company Transformer core flux control for power management
US9568563B2 (en) 2012-07-19 2017-02-14 The Boeing Company Magnetic core flux sensor
US9159487B2 (en) 2012-07-19 2015-10-13 The Boeing Company Linear electromagnetic device
US9947450B1 (en) 2012-07-19 2018-04-17 The Boeing Company Magnetic core signal modulation
US9455084B2 (en) 2012-07-19 2016-09-27 The Boeing Company Variable core electromagnetic device
US9651633B2 (en) 2013-02-21 2017-05-16 The Boeing Company Magnetic core flux sensor
FR3020467B1 (fr) * 2014-04-24 2016-05-13 Schneider Electric Ind Sas Dispositif de mesure d'au moins une grandeur electrique d'un courant destine a circuler dans un appareil electrique, et ensemble comprenant un tel dispositif
DE102015214043A1 (de) * 2015-07-24 2016-06-02 Siemens Aktiengesellschaft Nullflussstromwandler
US10403429B2 (en) * 2016-01-13 2019-09-03 The Boeing Company Multi-pulse electromagnetic device including a linear magnetic core configuration
US10777349B2 (en) * 2017-10-23 2020-09-15 Schweitzer Engineering Laboratories, Inc. Current transformer with flexible secondary winding
CN108333412B (zh) * 2018-01-30 2021-05-14 宜昌市瑞磁科技有限公司 一种具有固定频率的pwm输出模式的电流检测装置及方法
CN109444510B (zh) * 2018-11-05 2020-10-16 电子科技大学 一种适用于智能电网保护系统的非接触式电流测量装置
CN110231539B (zh) * 2019-06-04 2021-01-19 西安交通大学 一种用于真双极直流输配电线路的单极接地故障检测系统
CN110632365A (zh) * 2019-09-27 2019-12-31 温彦衫 一种漏电保护电流量测方法
GB2595855A (en) * 2020-06-08 2021-12-15 Eaton Intelligent Power Ltd DC-overcurrent detector
CN112362953A (zh) * 2020-09-16 2021-02-12 昆明理工大学 一种直流偏置电流检测装置
CN113702696A (zh) * 2021-09-08 2021-11-26 山东元星电子有限公司 一种多位一体电流传感器
CN114113721B (zh) * 2021-12-03 2024-03-19 江阴众和电力仪表有限公司 一种具有漏电提示功能的智能电表
CN114994389B (zh) * 2022-05-25 2023-09-26 北京中联太信科技有限公司 一种磁超导微直流检测装置及方法

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FR1063229A (fr) * 1952-06-27 1954-04-30 Appareil de mesure de courants continus faibles et détecteur de terres
US3007106A (en) * 1958-07-25 1961-10-31 Hewlett Packard Co Current meter and probe therefor
US3681691A (en) * 1970-09-11 1972-08-01 Honeywell Inc High frequency galvanometer
US4205266A (en) * 1977-04-13 1980-05-27 Dresser Industries, Inc. Method and apparatus to determine the proximity of a permanent magnet using a magnetometer
US4295112A (en) * 1978-08-30 1981-10-13 Mitsubishi Denki Kabushiki Kaisha Residual current transformer
GB2137764B (en) * 1983-04-08 1987-03-04 Ass Elect Ind Polarity-sensitive d.c. current transformer
DE3480232D1 (en) * 1983-07-20 1989-11-23 Transformatoren & Roentgenwerk Device for measuring direct currents
DE3715789A1 (de) * 1987-05-12 1988-12-01 Bosch Gmbh Robert Potentialgetrennter stromwandler zur messung von gleich- und wechselstroemen
US5204622A (en) * 1990-11-28 1993-04-20 Westinghouse Electric Corp. Improved probe for inspecting tubes having mechanism for maintaining alignment of probe axis of rotation
FR2678069A1 (fr) * 1991-06-18 1992-12-24 Commissariat Energie Atomique Capteur de courant utilisant un magnetometre directionnel a resonance.

Also Published As

Publication number Publication date
CN1064131C (zh) 2001-04-04
CN1084278A (zh) 1994-03-23
EP0579462A3 (en) 1994-06-08
US5486756A (en) 1996-01-23
TW234743B (ko) 1994-11-21
EP0579462A2 (en) 1994-01-19
CA2100135A1 (en) 1994-01-11
CA2100135C (en) 1997-11-04
US5475301A (en) 1995-12-12
DE69334074T2 (de) 2007-03-08
EP0579462B1 (en) 2006-10-18
DE69334074D1 (de) 2006-11-30
KR940005959A (ko) 1994-03-22

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Legal Events

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A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20120803

Year of fee payment: 16

EXPY Expiration of term