CA2081809A1 - Dispositif blinde pour la detection de courant dans un wattheure-metre - Google Patents

Dispositif blinde pour la detection de courant dans un wattheure-metre

Info

Publication number
CA2081809A1
CA2081809A1 CA2081809A CA2081809A CA2081809A1 CA 2081809 A1 CA2081809 A1 CA 2081809A1 CA 2081809 A CA2081809 A CA 2081809A CA 2081809 A CA2081809 A CA 2081809A CA 2081809 A1 CA2081809 A1 CA 2081809A1
Authority
CA
Canada
Prior art keywords
secondary coil
sensing device
current sensing
coil
shaped conductor
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.)
Granted
Application number
CA2081809A
Other languages
English (en)
Other versions
CA2081809C (fr
Inventor
John T. Voisine
Christopher Lee Anderson
Robert Edward Slaven
Ronald Charles Tate
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.)
Landis and Gyr Metering Inc
Original Assignee
Landis and Gyr Metering Inc
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 Landis and Gyr Metering Inc filed Critical Landis and Gyr Metering Inc
Publication of CA2081809A1 publication Critical patent/CA2081809A1/fr
Application granted granted Critical
Publication of CA2081809C publication Critical patent/CA2081809C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02—Constructional details
    • G01R11/06—Magnetic circuits of induction meters
    • G01R11/067—Coils therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measuring Magnetic Variables (AREA)
CA002081809A 1992-02-11 1992-10-30 Dispositif blinde pour la detection de courant dans un wattheure-metre Expired - Fee Related CA2081809C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/833,738 US5343143A (en) 1992-02-11 1992-02-11 Shielded current sensing device for a watthour meter
US07/833,738 1992-02-11

Publications (2)

Publication Number Publication Date
CA2081809A1 true CA2081809A1 (fr) 1993-08-12
CA2081809C CA2081809C (fr) 1996-07-02

Family

ID=25265150

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002081809A Expired - Fee Related CA2081809C (fr) 1992-02-11 1992-10-30 Dispositif blinde pour la detection de courant dans un wattheure-metre

Country Status (2)

Country Link
US (1) US5343143A (fr)
CA (1) CA2081809C (fr)

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US8160824B2 (en) 2005-01-27 2012-04-17 Electro Industries/Gauge Tech Intelligent electronic device with enhanced power quality monitoring and communication capabilities
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US9989618B2 (en) 2007-04-03 2018-06-05 Electro Industries/Gaugetech Intelligent electronic device with constant calibration capabilities for high accuracy measurements
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EP2634592B1 (fr) 2009-07-22 2015-01-14 Allegro Microsystems, LLC Circuits et procédés permettant de générer un mode de diagnostic de fonctionnement dans un capteur de champ magnétique
US8390283B2 (en) 2009-09-25 2013-03-05 Everspin Technologies, Inc. Three axis magnetic field sensor
DE102010004223B4 (de) * 2010-01-08 2013-12-05 Vacuumschmelze Gmbh & Co. Kg Verfahren zum Herstellen einer Stromerfassungseinrichtung
US8518734B2 (en) 2010-03-31 2013-08-27 Everspin Technologies, Inc. Process integration of a single chip three axis magnetic field sensor
US8680846B2 (en) 2011-04-27 2014-03-25 Allegro Microsystems, Llc Circuits and methods for self-calibrating or self-testing a magnetic field sensor
JP5820164B2 (ja) * 2011-07-01 2015-11-24 東光東芝メーターシステムズ株式会社 電流検出装置およびこれを用いた電力量計
US9429595B2 (en) * 2011-09-09 2016-08-30 Aclara Meters Llc Sensor devices and methods for use in sensing current through a conductor
US9201122B2 (en) 2012-02-16 2015-12-01 Allegro Microsystems, Llc Circuits and methods using adjustable feedback for self-calibrating or self-testing a magnetic field sensor with an adjustable time constant
JP5979413B2 (ja) * 2012-03-27 2016-08-24 公立大学法人大阪市立大学 電力計測装置
US9563218B2 (en) 2013-03-15 2017-02-07 Dominion Resources, Inc. Electric power system control with measurement of energy demand and energy efficiency using t-distributions
US9553453B2 (en) 2013-03-15 2017-01-24 Dominion Resources, Inc. Management of energy demand and energy efficiency savings from voltage optimization on electric power systems using AMI-based data analysis
US9847639B2 (en) 2013-03-15 2017-12-19 Dominion Energy, Inc. Electric power system control with measurement of energy demand and energy efficiency
US9582020B2 (en) 2013-03-15 2017-02-28 Dominion Resources, Inc. Maximizing of energy delivery system compatibility with voltage optimization using AMI-based data control and analysis
US9678520B2 (en) 2013-03-15 2017-06-13 Dominion Resources, Inc. Electric power system control with planning of energy demand and energy efficiency using AMI-based data analysis
US9645220B2 (en) 2014-04-17 2017-05-09 Allegro Microsystems, Llc Circuits and methods for self-calibrating or self-testing a magnetic field sensor using phase discrimination
US9735773B2 (en) 2014-04-29 2017-08-15 Allegro Microsystems, Llc Systems and methods for sensing current through a low-side field effect transistor
US9804249B2 (en) 2014-11-14 2017-10-31 Allegro Microsystems, Llc Dual-path analog to digital converter
US10466298B2 (en) 2014-11-14 2019-11-05 Allegro Microsystems, Llc Magnetic field sensor with shared path amplifier and analog-to-digital-converter
US9958480B2 (en) 2015-02-10 2018-05-01 Qualcomm Incorporated Apparatus and method for a current sensor
US9638764B2 (en) 2015-04-08 2017-05-02 Allegro Microsystems, Llc Electronic circuit for driving a hall effect element with a current compensated for substrate stress
US10732656B2 (en) 2015-08-24 2020-08-04 Dominion Energy, Inc. Systems and methods for stabilizer control
US10107873B2 (en) 2016-03-10 2018-10-23 Allegro Microsystems, Llc Electronic circuit for compensating a sensitivity drift of a hall effect element due to stress
US10162017B2 (en) 2016-07-12 2018-12-25 Allegro Microsystems, Llc Systems and methods for reducing high order hall plate sensitivity temperature coefficients
US10520559B2 (en) 2017-08-14 2019-12-31 Allegro Microsystems, Llc Arrangements for Hall effect elements and vertical epi resistors upon a substrate
FR3076094B1 (fr) * 2017-12-22 2020-01-10 Valeo Siemens Eautomotive France Sas Element de boitier d’un equipement electrique, en particulier comprenant des pieces magnetiques en ‘u’
US11169223B2 (en) 2020-03-23 2021-11-09 Allegro Microsystems, Llc Hall element signal calibrating in angle sensor
US11519941B2 (en) 2020-07-27 2022-12-06 Analog Devices International Unlimited Company Current sensing device having an integrated electrical shield
US11630130B2 (en) 2021-03-31 2023-04-18 Allegro Microsystems, Llc Channel sensitivity matching
US11994541B2 (en) 2022-04-15 2024-05-28 Allegro Microsystems, Llc Current sensor assemblies for low currents
CN116631016B (zh) * 2023-05-22 2026-01-27 北京京东方传感技术有限公司 一种指纹识别模组以及指纹识别装置
US12455301B2 (en) 2023-12-11 2025-10-28 Allegro Microsystems, Llc Hall plate current sensor having stress compensation

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FR2518266A1 (fr) * 1981-12-15 1983-06-17 Telemecanique Electrique Dispositif de mesure du courant qui circule dans un conducteur
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Also Published As

Publication number Publication date
CA2081809C (fr) 1996-07-02
US5343143A (en) 1994-08-30

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