CA2804010C - Method and system of measuring current in an electric meter - Google Patents

Method and system of measuring current in an electric meter Download PDF

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Publication number
CA2804010C
CA2804010C CA2804010A CA2804010A CA2804010C CA 2804010 C CA2804010 C CA 2804010C CA 2804010 A CA2804010 A CA 2804010A CA 2804010 A CA2804010 A CA 2804010A CA 2804010 C CA2804010 C CA 2804010C
Authority
CA
Canada
Prior art keywords
inductor
current
electric meter
voltage
bus bar
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
CA2804010A
Other languages
English (en)
French (fr)
Other versions
CA2804010A1 (en
Inventor
David Hamo
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.)
Sensus Spectrum LLC
Original Assignee
Sensus Spectrum LLC
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 Sensus Spectrum LLC filed Critical Sensus Spectrum LLC
Publication of CA2804010A1 publication Critical patent/CA2804010A1/en
Application granted granted Critical
Publication of CA2804010C publication Critical patent/CA2804010C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
    • 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
    • G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
CA2804010A 2010-08-04 2011-07-13 Method and system of measuring current in an electric meter Active CA2804010C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/849,877 US8847577B2 (en) 2010-08-04 2010-08-04 Method and system of measuring current in an electric meter
US12/849,877 2010-08-04
PCT/US2011/043857 WO2012018488A1 (en) 2010-08-04 2011-07-13 Method and system of measuring current in an electric meter

Publications (2)

Publication Number Publication Date
CA2804010A1 CA2804010A1 (en) 2012-02-09
CA2804010C true CA2804010C (en) 2015-02-24

Family

ID=45555690

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2804010A Active CA2804010C (en) 2010-08-04 2011-07-13 Method and system of measuring current in an electric meter

Country Status (8)

Country Link
US (1) US8847577B2 (enExample)
EP (1) EP2601533A4 (enExample)
JP (1) JP2013537631A (enExample)
CN (1) CN103124911B (enExample)
BR (1) BR112013002554B1 (enExample)
CA (1) CA2804010C (enExample)
MX (1) MX2013000921A (enExample)
WO (1) WO2012018488A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102565518A (zh) * 2010-12-16 2012-07-11 鸿富锦精密工业（深圳）有限公司 电流平衡测试系统
KR102225531B1 (ko) * 2012-11-09 2021-03-08 캘리포니아 인스티튜트 오브 테크놀로지 스마트의 rf 렌싱: 효율적이고 동적이며 이동적인 무선 전력 전송
CN103743933B (zh) * 2013-12-31 2016-01-27 江苏林洋电子股份有限公司 一种单相电能表对自热影响的补偿方法
JP6513715B2 (ja) * 2015-02-06 2019-05-15 日立オートモティブシステムズ株式会社 電流センサ
KR102287317B1 (ko) * 2017-06-07 2021-08-10 현대자동차주식회사 전류센서
USD915291S1 (en) 2018-06-15 2021-04-06 Fluke Corporation Panel adapter for voltage and current measurement
USD899283S1 (en) * 2019-01-25 2020-10-20 Sensus Spectrum, Llc Communication circuit housing

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US229962A (en) * 1880-07-13 Half of his eight to l
US4197582A (en) * 1978-03-31 1980-04-08 Westinghouse Electric Corp. Auxiliary power supply and timer arrangement for time registering multifunctional electric energy meters
FR2470972A1 (fr) * 1979-11-28 1981-06-12 Enertec Convertisseur courant-tension, notamment pour circuit de mesure d'energie electrique
US4491790A (en) * 1980-02-13 1985-01-01 Westinghouse Electric Corp. Electric energy meter having a mutual inductance current transducer
JPH0660913B2 (ja) * 1987-03-19 1994-08-10 凌和電子株式会社 高周波電流測定方法
US5068636A (en) * 1989-10-26 1991-11-26 Doble Engineering Company Current shunting
US6387052B1 (en) * 1991-01-29 2002-05-14 Edwards Lifesciences Corporation Thermodilution catheter having a safe, flexible heating element
DE59107730D1 (de) * 1991-02-26 1996-05-30 Siemens Ag Messwiderstand mit Stromanschlüssen und mit wenigstens einem Potentialanschluss
US5229962A (en) * 1991-06-13 1993-07-20 Yuh Perng Fei Buffered nondestructive-readout Josephson memory cell with three gates
US5699036A (en) * 1996-08-22 1997-12-16 Lin; Muh-Jiun Shunt
US6031749A (en) * 1999-03-31 2000-02-29 Vari-Lite, Inc. Universal power module
GB9918539D0 (en) * 1999-08-06 1999-10-06 Sentec Ltd Planar current transformer
US6186842B1 (en) * 1999-08-09 2001-02-13 Power Measurement Ltd. Revenue meter bayonet assembly and method of attachment
US6559654B2 (en) * 2001-03-29 2003-05-06 General Electric Company Method and system for automatic determination of inductance
US6791341B2 (en) * 2001-08-10 2004-09-14 Shakti Systems, Inc. Current derivative sensor
US6646450B2 (en) * 2001-10-16 2003-11-11 Koninklijke Philips Electronics N.V. Method and apparatus for near losslessly measuring inductor current
JP2004138493A (ja) * 2002-10-17 2004-05-13 Toshiba Corp 電子式電力量計
US7112949B2 (en) 2002-12-05 2006-09-26 Landis+Gyr Inc. Enhanced fault protection in electricity meter
EP1661148A2 (en) * 2003-08-26 2006-05-31 Philips Intellectual Property & Standards GmbH Printed circuit board with integrated inductor
FR2861179B1 (fr) * 2003-10-21 2006-01-20 Thales Sa Dispositif de mesure non dissipatif du courant dans une inductance
US7235962B2 (en) * 2003-11-17 2007-06-26 Babak Mazda Inductor-based current sensing
US7325208B2 (en) * 2004-09-28 2008-01-29 Intel Corporation Method, apparatus and system for inductance modeling in an electrical configuration
US7772818B2 (en) * 2007-04-03 2010-08-10 Apple Inc. Method and apparatus for measuring an average output current of a switching regulator using current-sensing-circuitry
CN101413966B (zh) * 2007-10-17 2012-12-19 湖北盛佳电器设备有限公司 模块化电能计量器
WO2009055587A1 (en) * 2007-10-23 2009-04-30 Abqmr, Inc. Microcoil magnetic resonance detectors
JP5117248B2 (ja) * 2008-03-31 2013-01-16 古河電気工業株式会社 シャント抵抗およびシャント抵抗への端子取付け方法
EP2169410B1 (de) * 2008-09-29 2011-11-30 EMH metering GmbH & Co. KG Elektronischer Elektrizitätszähler
US8344722B2 (en) * 2010-05-17 2013-01-01 Crest Semiconductors, Inc. Electric current measurement

Also Published As

Publication number Publication date
US20120032666A1 (en) 2012-02-09
BR112013002554A2 (pt) 2016-05-31
MX2013000921A (es) 2013-04-03
US8847577B2 (en) 2014-09-30
CN103124911A (zh) 2013-05-29
WO2012018488A1 (en) 2012-02-09
CN103124911B (zh) 2015-09-30
EP2601533A1 (en) 2013-06-12
JP2013537631A (ja) 2013-10-03
EP2601533A4 (en) 2015-03-11
BR112013002554B1 (pt) 2020-12-08
CA2804010A1 (en) 2012-02-09

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Effective date: 20140729