CA2840021C - Current detection device and electricity meter - Google Patents

Current detection device and electricity meter Download PDF

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Publication number
CA2840021C
CA2840021C CA2840021A CA2840021A CA2840021C CA 2840021 C CA2840021 C CA 2840021C CA 2840021 A CA2840021 A CA 2840021A CA 2840021 A CA2840021 A CA 2840021A CA 2840021 C CA2840021 C CA 2840021C
Authority
CA
Canada
Prior art keywords
coil
magnetic body
detection device
current detection
bobbin
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
CA2840021A
Other languages
English (en)
French (fr)
Other versions
CA2840021A1 (en
Inventor
Shinichi RYOCHI
Mitsuhiro Sakoyama
Fuyuki Kurokawa
Tatsuya Kimura
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.)
Toshiba Toko Meter Systems Co Ltd
Original Assignee
Toshiba Toko Meter Systems Co Ltd
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 Toshiba Toko Meter Systems Co Ltd filed Critical Toshiba Toko Meter Systems Co Ltd
Publication of CA2840021A1 publication Critical patent/CA2840021A1/en
Application granted granted Critical
Publication of CA2840021C publication Critical patent/CA2840021C/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
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • 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
    • G01R15/181—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using coils without a magnetic core, e.g. Rogowski coils
    • 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
    • G01R15/186—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using current transformers with a core consisting of two or more parts, e.g. clamp-on type
    • 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
    • H01F38/30—Constructions

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)
CA2840021A 2011-07-01 2011-12-02 Current detection device and electricity meter Active CA2840021C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011-147461 2011-07-01
JP2011147461A JP5820164B2 (ja) 2011-07-01 2011-07-01 電流検出装置およびこれを用いた電力量計
PCT/JP2011/077958 WO2013005352A1 (ja) 2011-07-01 2011-12-02 電流検出装置および電力量計

Publications (2)

Publication Number Publication Date
CA2840021A1 CA2840021A1 (en) 2013-01-10
CA2840021C true CA2840021C (en) 2018-01-23

Family

ID=47436721

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2840021A Active CA2840021C (en) 2011-07-01 2011-12-02 Current detection device and electricity meter

Country Status (8)

Country Link
US (1) US9354258B2 (enExample)
EP (1) EP2728366B1 (enExample)
JP (1) JP5820164B2 (enExample)
CN (1) CN103620421B (enExample)
AU (1) AU2011372577B2 (enExample)
BR (1) BR112013033144A2 (enExample)
CA (1) CA2840021C (enExample)
WO (1) WO2013005352A1 (enExample)

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FR3053795B1 (fr) 2016-07-08 2019-11-08 Schneider Electric Industries Sas Appareil de mesure de courants electriques dans des conducteurs electriques
CN108572344A (zh) 2017-03-10 2018-09-25 恩智浦美国有限公司 检测电流互感器二次侧断接的装置及方法
CN112119316A (zh) 2017-10-02 2020-12-22 Abb瑞士股份有限公司 用于电力线设备的通量吸收器
JP2020148640A (ja) * 2019-03-14 2020-09-17 株式会社東芝 電流検出装置
FR3109637B1 (fr) * 2020-04-23 2022-05-06 Schneider Electric Ind Sas Procédé de fabrication d’un composant électrique et composant électrique
EP4538719A1 (en) * 2023-10-10 2025-04-16 ABB Schweiz AG Current detection device for electrical installations

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JP5614967B2 (ja) * 2009-10-22 2014-10-29 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
JP5375874B2 (ja) * 2011-05-13 2013-12-25 株式会社デンソー モータ駆動装置

Also Published As

Publication number Publication date
JP5820164B2 (ja) 2015-11-24
AU2011372577A1 (en) 2014-01-09
EP2728366A4 (en) 2015-03-25
HK1195363A1 (zh) 2014-11-07
CA2840021A1 (en) 2013-01-10
US20140111190A1 (en) 2014-04-24
US9354258B2 (en) 2016-05-31
BR112013033144A2 (pt) 2017-01-24
AU2011372577B2 (en) 2015-09-03
EP2728366B1 (en) 2018-10-03
EP2728366A1 (en) 2014-05-07
CN103620421B (zh) 2016-02-24
CN103620421A (zh) 2014-03-05
WO2013005352A1 (ja) 2013-01-10
JP2013015370A (ja) 2013-01-24

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Effective date: 20131219