WO2008057800A3 - Shielded rogowski coil assembly and methods - Google Patents

Shielded rogowski coil assembly and methods Download PDF

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Publication number
WO2008057800A3
WO2008057800A3 PCT/US2007/082669 US2007082669W WO2008057800A3 WO 2008057800 A3 WO2008057800 A3 WO 2008057800A3 US 2007082669 W US2007082669 W US 2007082669W WO 2008057800 A3 WO2008057800 A3 WO 2008057800A3
Authority
WO
WIPO (PCT)
Prior art keywords
methods
rogowski coil
coil assembly
shielded
shielded rogowski
Prior art date
Application number
PCT/US2007/082669
Other languages
French (fr)
Other versions
WO2008057800A2 (en
Inventor
Ljubomir A Kojovic
Original Assignee
Cooper Technologies Co
Ljubomir A Kojovic
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 Cooper Technologies Co, Ljubomir A Kojovic filed Critical Cooper Technologies Co
Priority to ES07854441.8T priority Critical patent/ES2550153T3/en
Priority to EP07854441.8A priority patent/EP2084721B1/en
Publication of WO2008057800A2 publication Critical patent/WO2008057800A2/en
Publication of WO2008057800A3 publication Critical patent/WO2008057800A3/en

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
    • G01R15/181—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/003—Printed circuit 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
    • G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
    • G01R15/247—Details of the circuitry or construction of devices covered by G01R15/241 - G01R15/246
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens

Abstract

Shielded Rogowski coil systems having separate interface cables and methods for eliminating and monitoring noise in signal transmissions over the cables.
PCT/US2007/082669 2006-11-06 2007-10-26 Shielded rogowski coil assembly and methods WO2008057800A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES07854441.8T ES2550153T3 (en) 2006-11-06 2007-10-26 Armored Rogowski coil set and methods
EP07854441.8A EP2084721B1 (en) 2006-11-06 2007-10-26 Shielded rogowski coil assembly and methods

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/593,239 2006-11-06
US11/593,239 US7564233B2 (en) 2006-11-06 2006-11-06 Shielded Rogowski coil assembly and methods

Publications (2)

Publication Number Publication Date
WO2008057800A2 WO2008057800A2 (en) 2008-05-15
WO2008057800A3 true WO2008057800A3 (en) 2008-12-04

Family

ID=39359183

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/082669 WO2008057800A2 (en) 2006-11-06 2007-10-26 Shielded rogowski coil assembly and methods

Country Status (4)

Country Link
US (2) US7564233B2 (en)
EP (1) EP2084721B1 (en)
ES (1) ES2550153T3 (en)
WO (1) WO2008057800A2 (en)

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US10274521B2 (en) * 2015-09-02 2019-04-30 Veris Industries, Llc Multiple sensor based Rogowski coil
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Also Published As

Publication number Publication date
US20080106253A1 (en) 2008-05-08
EP2084721A2 (en) 2009-08-05
WO2008057800A2 (en) 2008-05-15
US20090230948A1 (en) 2009-09-17
US7902812B2 (en) 2011-03-08
EP2084721A4 (en) 2012-10-31
US7564233B2 (en) 2009-07-21
ES2550153T3 (en) 2015-11-04
EP2084721B1 (en) 2015-07-29

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