CA2898935C - Sensor devices and methods for use in sensing current through a conductor - Google Patents

Sensor devices and methods for use in sensing current through a conductor Download PDF

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Publication number
CA2898935C
CA2898935C CA2898935A CA2898935A CA2898935C CA 2898935 C CA2898935 C CA 2898935C CA 2898935 A CA2898935 A CA 2898935A CA 2898935 A CA2898935 A CA 2898935A CA 2898935 C CA2898935 C CA 2898935C
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CA
Canada
Prior art keywords
sensor device
conductor
coil
aperture
housing
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
CA2898935A
Other languages
English (en)
French (fr)
Other versions
CA2898935A1 (en
Inventor
Steven Lee Bietz
Subramanyam Satyasurya Chamarti
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.)
Aclara Meters LLC
Original Assignee
Aclara Meters 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 Aclara Meters LLC filed Critical Aclara Meters LLC
Publication of CA2898935A1 publication Critical patent/CA2898935A1/en
Application granted granted Critical
Publication of CA2898935C publication Critical patent/CA2898935C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G01R15/181—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
    • 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Transformers For Measuring Instruments (AREA)
CA2898935A 2014-08-08 2015-07-30 Sensor devices and methods for use in sensing current through a conductor Active CA2898935C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/454,861 US9671434B2 (en) 2014-08-08 2014-08-08 Sensor devices and methods for use in sensing current through a conductor
US14/454,861 2014-08-08

Publications (2)

Publication Number Publication Date
CA2898935A1 CA2898935A1 (en) 2016-02-08
CA2898935C true CA2898935C (en) 2022-11-15

Family

ID=53724075

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2898935A Active CA2898935C (en) 2014-08-08 2015-07-30 Sensor devices and methods for use in sensing current through a conductor

Country Status (7)

Country Link
US (1) US9671434B2 (enExample)
EP (1) EP2982993B1 (enExample)
JP (1) JP6674206B2 (enExample)
CN (1) CN105372473B (enExample)
BR (1) BR102015018819B1 (enExample)
CA (1) CA2898935C (enExample)
MX (1) MX349278B (enExample)

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Also Published As

Publication number Publication date
JP6674206B2 (ja) 2020-04-01
BR102015018819B1 (pt) 2022-03-29
US9671434B2 (en) 2017-06-06
EP2982993A1 (en) 2016-02-10
MX2015010282A (es) 2016-04-04
JP2016038383A (ja) 2016-03-22
HK1221773A1 (zh) 2017-06-09
CA2898935A1 (en) 2016-02-08
EP2982993B1 (en) 2023-05-03
CN105372473B (zh) 2019-02-05
US20160041204A1 (en) 2016-02-11
MX349278B (es) 2017-07-20
CN105372473A (zh) 2016-03-02
BR102015018819A2 (pt) 2016-02-10

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