ATE40604T1 - Strommessdetektorschaltung. - Google Patents

Strommessdetektorschaltung.

Info

Publication number
ATE40604T1
ATE40604T1 AT84110994T AT84110994T ATE40604T1 AT E40604 T1 ATE40604 T1 AT E40604T1 AT 84110994 T AT84110994 T AT 84110994T AT 84110994 T AT84110994 T AT 84110994T AT E40604 T1 ATE40604 T1 AT E40604T1
Authority
AT
Austria
Prior art keywords
current
compensation
cores
amplifier
flux
Prior art date
Application number
AT84110994T
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 ATE40604T1 publication Critical patent/ATE40604T1/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measuring Volume Flow (AREA)
AT84110994T 1983-09-15 1984-09-14 Strommessdetektorschaltung. ATE40604T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK421683A DK149238C (da) 1983-09-15 1983-09-15 Detektorkredslaeb til brug ved straemmaaling
EP84110994A EP0137347B1 (de) 1983-09-15 1984-09-14 Strommessdetektorschaltung

Publications (1)

Publication Number Publication Date
ATE40604T1 true ATE40604T1 (de) 1989-02-15

Family

ID=8131391

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84110994T ATE40604T1 (de) 1983-09-15 1984-09-14 Strommessdetektorschaltung.

Country Status (6)

Country Link
US (1) US4616174A (de)
EP (1) EP0137347B1 (de)
JP (1) JPS60173477A (de)
AT (1) ATE40604T1 (de)
DE (1) DE3476586D1 (de)
DK (1) DK149238C (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3521546A1 (de) * 1985-06-15 1986-12-18 LGZ Landis & Gyr Zug AG, Zug Elektrischer ueberlastanzeiger
US4749940A (en) * 1986-12-22 1988-06-07 General Electric Company Folded bar current sensor
US4761605A (en) * 1986-12-22 1988-08-02 General Electric Company Input switching in electronic watthour meter
US4899103A (en) * 1987-07-16 1990-02-06 Brooktree Corporation Current meter
US4841236A (en) * 1988-03-22 1989-06-20 Canadian Patents And Development Limited-Societe Canadienne Des Brevets Et D'exploitation Limitee Current ratio device
ATE127590T1 (de) * 1988-08-24 1995-09-15 Liaison Electroniques Mecaniqu Stromsensor.
US5041780A (en) * 1988-09-13 1991-08-20 California Institute Of Technology Integrable current sensors
US5066904A (en) * 1988-10-18 1991-11-19 General Electric Company Coaxial current sensors
US4970459A (en) * 1988-12-02 1990-11-13 General Electric Company Electronic meter chopper stabilization
DE3940932A1 (de) * 1989-12-12 1991-06-13 Ulrich Doerr Messwandler
GB2244142A (en) * 1990-05-16 1991-11-20 Westinghouse Brake & Signal Current transformer measuring circuits
CH684216A5 (fr) * 1991-02-15 1994-07-29 Lem Liaisons Electron Mec Dispositif de mesure de courants.
FI90142C (fi) * 1992-04-02 1993-12-27 Abb Stroemberg Drives Oy Enligt kompensationsprincip fungerande maetomvandlare foer stroem
FI98411C (fi) * 1993-08-20 1997-06-10 Picker Nordstar Oy Parannettu virtalähde
EP0686850A1 (de) * 1994-06-09 1995-12-13 Lem S.A. Schaltungsanordnung zur Messung von Gleichströmen mit Potentialtrennung zwischen Stromkreis und Messkreis
US5568047A (en) * 1994-08-10 1996-10-22 General Electric Company Current sensor and method using differentially generated feedback
FR2753594B1 (fr) * 1996-09-17 1998-12-11 Sagem Telecopieur a interface de ligne a detecteur unique et detecteur de courant a circuits magnetiques de detection et de compensation
JP3583586B2 (ja) * 1997-07-22 2004-11-04 株式会社東芝 電力変換装置の制御装置
US6175255B1 (en) * 1998-11-23 2001-01-16 National Seniconductor Corporation Line driver circuit for low voltage and low power applications
FR2788344B1 (fr) * 1999-01-12 2001-03-30 Peugeot Citroen Automobiles Sa Dispositif de mesure d'un courant circulant dans un conducteur
US6522517B1 (en) 1999-02-25 2003-02-18 Thomas G. Edel Method and apparatus for controlling the magnetization of current transformers and other magnetic bodies
US6246593B1 (en) * 1999-05-06 2001-06-12 Astec International Limited Topology-independent synchronous rectifier commutation circuit
US6356421B1 (en) * 1999-11-29 2002-03-12 Schweitzer Engineering Labs., Inc. System for power transformer differential protection
JP2001201521A (ja) * 2000-01-18 2001-07-27 Agilent Technologies Japan Ltd 電流検出装置及びインピーダンス測定器及び電力測定装置
WO2004001437A1 (en) * 2002-06-25 2003-12-31 Ladislav Grno Circuit for simultaneous testing of electricity meters with interconnected current and voltage circuits
AU2003265365A1 (en) * 2002-08-05 2004-02-23 Engineering Matters, Inc. Self-powered direct current mitigation circuit for transformers
US6954060B1 (en) 2003-03-28 2005-10-11 Edel Thomas G a-c current transformer functional with a d-c current component present
DE602005023760D1 (de) * 2004-11-05 2010-11-04 Lem Liaisons Electron Mec Detektorschaltung zur strommessung
DK200500029A (da) * 2005-01-07 2006-07-08 Danfysik As Detektorkredslöb til brug ved strömmåling
CN100432680C (zh) * 2005-08-24 2008-11-12 珠海市科荟电器有限公司 钳形互感器、钳形电流表和钳形电流表自校正方法
US8619443B2 (en) 2010-09-29 2013-12-31 The Powerwise Group, Inc. System and method to boost voltage
US8085009B2 (en) 2007-08-13 2011-12-27 The Powerwise Group, Inc. IGBT/FET-based energy savings device for reducing a predetermined amount of voltage using pulse width modulation
US8085010B2 (en) 2007-08-24 2011-12-27 The Powerwise Group, Inc. TRIAC/SCR-based energy savings device for reducing a predetermined amount of voltage using pulse width modulation
US8120307B2 (en) 2007-08-24 2012-02-21 The Powerwise Group, Inc. System and method for providing constant loading in AC power applications
US8698447B2 (en) 2007-09-14 2014-04-15 The Powerwise Group, Inc. Energy saving system and method for devices with rotating or reciprocating masses
US8810190B2 (en) 2007-09-14 2014-08-19 The Powerwise Group, Inc. Motor controller system and method for maximizing energy savings
JP5340639B2 (ja) * 2008-05-22 2013-11-13 ローム株式会社 キャパシタ充電装置およびその制御回路、制御方法、ならびにそれらを用いた発光装置および電子機器
US8004255B2 (en) 2008-08-07 2011-08-23 The Powerwise Group, Inc. Power supply for IGBT/FET drivers
US8159240B2 (en) * 2009-01-09 2012-04-17 Tdk Corporation Bulk current injection (BCI) probe with multiple, symmetrically spaced feeds
EP2475888B1 (de) 2009-09-08 2019-04-24 The Powerwise Group, Inc. Stromsparsystem und -verfahren für vorrichtungen mit rotierenden oder hin und her bewegten massen
US8698446B2 (en) 2009-09-08 2014-04-15 The Powerwise Group, Inc. Method to save energy for devices with rotating or reciprocating masses
US9155585B2 (en) 2010-01-12 2015-10-13 Syntheon, Llc Battery-powered electrosurgical forceps with multi-turn selectable-ratio transformer
CN103901252B (zh) * 2014-04-08 2018-11-02 烟台市华能电器有限公司 10kv输电线路零序电流检测系统
JP6625395B2 (ja) * 2015-10-26 2019-12-25 日置電機株式会社 電流センサおよび測定装置
CN105510679A (zh) * 2016-01-21 2016-04-20 江苏省电力公司电力科学研究院 高可靠性高精度电流测量方法及装置
US9618541B1 (en) * 2016-04-20 2017-04-11 Neilsen-Kuljian, Inc. Apparatus, method and device for sensing DC currents
US9964574B2 (en) 2016-06-06 2018-05-08 Aerovironment, Inc. Residual current detecting (RCD) and ground impedance monitoring transformer and control methods
FR3060757B1 (fr) * 2016-12-19 2020-11-06 Safran Electronics & Defense Capteur de courant a vanne de flux
JP6829139B2 (ja) * 2017-04-11 2021-02-10 日置電機株式会社 電流センサおよび測定装置
FR3083321B1 (fr) * 2018-06-27 2021-03-05 Safran Electronics & Defense Capteur de courant a vanne de flux

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1345869A (en) * 1971-11-30 1974-02-06 Secr Defence Electrical current measuring instruments
US3801907A (en) * 1972-10-12 1974-04-02 M Lilienstein Direct current measurement
US4274051A (en) * 1979-07-27 1981-06-16 Bell Telephone Laboratories, Incorporated Electromagnetic arrangement for measuring electrical current
US4278939A (en) * 1979-07-27 1981-07-14 Bell Telephone Laboratories, Incorporated Electromagnetic arrangement for measuring electrical current

Also Published As

Publication number Publication date
EP0137347B1 (de) 1989-02-01
DE3476586D1 (en) 1989-03-09
US4616174A (en) 1986-10-07
DK149238C (da) 1987-01-19
DK421683D0 (da) 1983-09-15
DK149238B (da) 1986-04-01
DK421683A (da) 1985-03-16
JPS60173477A (ja) 1985-09-06
EP0137347A1 (de) 1985-04-17

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