ATE357667T1 - Detektorschaltung zur verwendung bei einer strommessung - Google Patents

Detektorschaltung zur verwendung bei einer strommessung

Info

Publication number
ATE357667T1
ATE357667T1 AT04797481T AT04797481T ATE357667T1 AT E357667 T1 ATE357667 T1 AT E357667T1 AT 04797481 T AT04797481 T AT 04797481T AT 04797481 T AT04797481 T AT 04797481T AT E357667 T1 ATE357667 T1 AT E357667T1
Authority
AT
Austria
Prior art keywords
detector circuit
current
ring core
magnetomotive forces
compensating
Prior art date
Application number
AT04797481T
Other languages
English (en)
Inventor
Hans Erik Jorgensen
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
Application granted granted Critical
Publication of ATE357667T1 publication Critical patent/ATE357667T1/de

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)
AT04797481T 2003-11-27 2004-11-26 Detektorschaltung zur verwendung bei einer strommessung ATE357667T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK200301752A DK176607B1 (da) 2003-11-27 2003-11-27 Detektorkredslöb til brug ved strömmåling

Publications (1)

Publication Number Publication Date
ATE357667T1 true ATE357667T1 (de) 2007-04-15

Family

ID=34626324

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04797481T ATE357667T1 (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
US7667452B2 (en) * 2004-11-05 2010-02-23 Liaisons Electroniques-Mecaniques Lem S.A. Detector circuit for measuring current
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
DK200301752A (da) 2005-05-28
WO2005052605A1 (en) 2005-06-09
DK176607B1 (da) 2008-11-10
CN100437124C (zh) 2008-11-26
EP1687645B1 (de) 2007-03-21
DE602004005491T2 (de) 2007-11-29
DE602004005491D1 (de) 2007-05-03
US7388363B2 (en) 2008-06-17
CN1882842A (zh) 2006-12-20
EP1687645A1 (de) 2006-08-09
US20070145968A1 (en) 2007-06-28

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