DE602004005491D1 - Detektorschaltung zur verwendung bei einer strommessung - Google Patents

Detektorschaltung zur verwendung bei einer strommessung

Info

Publication number
DE602004005491D1
DE602004005491D1 DE602004005491T DE602004005491T DE602004005491D1 DE 602004005491 D1 DE602004005491 D1 DE 602004005491D1 DE 602004005491 T DE602004005491 T DE 602004005491T DE 602004005491 T DE602004005491 T DE 602004005491T DE 602004005491 D1 DE602004005491 D1 DE 602004005491D1
Authority
DE
Germany
Prior art keywords
detector circuit
current
ring core
magnetomotive forces
compensating
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.)
Active
Application number
DE602004005491T
Other languages
English (en)
Other versions
DE602004005491T2 (de
Inventor
Hans Erik Jorgensen
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.)
Liaisons Electroniques Mecaniques LEM SA
Original Assignee
Danfysik AS
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 Danfysik AS filed Critical Danfysik AS
Publication of DE602004005491D1 publication Critical patent/DE602004005491D1/de
Application granted granted Critical
Publication of DE602004005491T2 publication Critical patent/DE602004005491T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • 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

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)
DE602004005491T 2003-11-27 2004-11-26 Detektorschaltung zur verwendung bei einer strommessung Active DE602004005491T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DK200301752A DK176607B1 (da) 2003-11-27 2003-11-27 Detektorkredslöb til brug ved strömmåling
DK200301752 2003-11-27
PCT/DK2004/000820 WO2005052605A1 (en) 2003-11-27 2004-11-26 A detector circuit to be used for measuring current

Publications (2)

Publication Number Publication Date
DE602004005491D1 true DE602004005491D1 (de) 2007-05-03
DE602004005491T2 DE602004005491T2 (de) 2007-11-29

Family

ID=34626324

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004005491T Active DE602004005491T2 (de) 2003-11-27 2004-11-26 Detektorschaltung zur verwendung bei einer strommessung

Country Status (7)

Country Link
US (1) US7388363B2 (de)
EP (1) EP1687645B1 (de)
CN (1) CN100437124C (de)
AT (1) ATE357667T1 (de)
DE (1) DE602004005491T2 (de)
DK (1) DK176607B1 (de)
WO (1) WO2005052605A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1807707B1 (de) 2004-11-05 2010-09-22 Liaisons Electroniques-Mècaniques LEM S.A. Detektorschaltung zur strommessung
DE102005045537B3 (de) 2005-09-23 2006-12-28 Deutsches Elektronen-Synchrotron Desy Einrichtung zur Bestimmung der Stärke des Magnetfeldes eines Elektromagneten
JP2011017618A (ja) * 2009-07-09 2011-01-27 Tamura Seisakusho Co Ltd 電流センサ
DE102011110648A1 (de) 2011-08-18 2013-02-21 Universität Stuttgart Strommessgerät
WO2013023643A1 (de) 2011-08-18 2013-02-21 Universität Stuttgart Strommessgerät
US8829901B2 (en) * 2011-11-04 2014-09-09 Honeywell International Inc. Method of using a magnetoresistive sensor in second harmonic detection mode for sensing weak magnetic fields
KR101329240B1 (ko) * 2012-10-31 2013-11-20 이상철 플럭스 게이트 방식의 비접촉 전류 계측기
CN103424596A (zh) * 2013-05-11 2013-12-04 国家电网公司 无源交流微电流采集放大装置
CN105807117B (zh) * 2014-12-29 2020-01-31 苏州普源精电科技有限公司 用于电流测量探头的电流感测电路及其电流测量探头
US9618541B1 (en) * 2016-04-20 2017-04-11 Neilsen-Kuljian, Inc. Apparatus, method and device for sensing DC currents
CN108362925B (zh) * 2018-02-22 2020-03-17 西安交通大学 双“8”字形三导线磁场对消的零磁通大电流检测系统及方法
CN113866477B (zh) * 2021-08-30 2022-07-05 中国人民解放军海军工程大学 四磁芯六线圈磁调制高精度超大孔径电流检测方法及系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536706A (en) * 1982-07-16 1985-08-20 At&T Bell Laboratories Magnetic current sensor
NL8602145A (nl) * 1986-08-22 1988-03-16 Holec Syst & Componenten Meetschakeling voor continue, nauwkeurige meting van gelijk- en wisselstroom.
NL8702471A (nl) 1987-10-15 1989-05-01 Holec Syst & Componenten Schakeling voor het detecteren van een asymmetrie in de magnetiseringsstroom van een magnetische modulator.
US4952853A (en) * 1988-08-24 1990-08-28 General Electric Company Method and apparatus for sensing direct current of one polarity in a conductor and electronically commutated motor control responsive to sensed motor current
CN2088257U (zh) * 1991-01-07 1991-11-06 鞍山钢铁公司 有补偿装置的交流电压源式电流检测装置
CH684216A5 (fr) * 1991-02-15 1994-07-29 Lem Liaisons Electron Mec Dispositif de mesure de courants.
JP2003315374A (ja) * 2002-04-18 2003-11-06 Mitsubishi Electric Corp 直流漏電検出装置

Also Published As

Publication number Publication date
US7388363B2 (en) 2008-06-17
EP1687645B1 (de) 2007-03-21
WO2005052605A1 (en) 2005-06-09
CN1882842A (zh) 2006-12-20
DE602004005491T2 (de) 2007-11-29
US20070145968A1 (en) 2007-06-28
EP1687645A1 (de) 2006-08-09
CN100437124C (zh) 2008-11-26
DK200301752A (da) 2005-05-28
ATE357667T1 (de) 2007-04-15
DK176607B1 (da) 2008-11-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DANFYSIK ACP/A/S, JYLLINGE, DK

8327 Change in the person/name/address of the patent owner

Owner name: LIAISONS ELECTRONIQUES-MECANIQUES LEM S.A., PL, CH