GB2525692B - Differential current transformer - Google Patents

Differential current transformer

Info

Publication number
GB2525692B
GB2525692B GB1417827.1A GB201417827A GB2525692B GB 2525692 B GB2525692 B GB 2525692B GB 201417827 A GB201417827 A GB 201417827A GB 2525692 B GB2525692 B GB 2525692B
Authority
GB
United Kingdom
Prior art keywords
current transformer
differential current
differential
transformer
current
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
GB1417827.1A
Other versions
GB201417827D0 (en
GB2525692A (en
Inventor
Zurek Stanislaw
Michael Francis Ian
David Clark Simon
Yun Heng Chin Freddie
Tutton Mark
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.)
Megger Instruments Ltd
Original Assignee
Megger Instruments 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 Megger Instruments Ltd filed Critical Megger Instruments Ltd
Publication of GB201417827D0 publication Critical patent/GB201417827D0/en
Publication of GB2525692A publication Critical patent/GB2525692A/en
Application granted granted Critical
Publication of GB2525692B publication Critical patent/GB2525692B/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
    • 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
    • G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
    • 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
    • G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
    • G01R15/185—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core with compensation or feedback windings or interacting coils, e.g. 0-flux sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • 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
    • G01R19/10—Measuring sum, difference or ratio
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • H01F2027/2809—Printed windings on stacked layers
    • 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)
  • Coils Or Transformers For Communication (AREA)
GB1417827.1A 2014-04-30 2014-10-08 Differential current transformer Active GB2525692B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14001521 2014-04-30

Publications (3)

Publication Number Publication Date
GB201417827D0 GB201417827D0 (en) 2014-11-19
GB2525692A GB2525692A (en) 2015-11-04
GB2525692B true GB2525692B (en) 2018-08-22

Family

ID=50639253

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1417827.1A Active GB2525692B (en) 2014-04-30 2014-10-08 Differential current transformer

Country Status (1)

Country Link
GB (1) GB2525692B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107643435A (en) * 2017-10-31 2018-01-30 现代重工(中国)电气有限公司 Differential protection cable socket and the Current Mutual Inductance circuit protection device being made from it
FR3083320B1 (en) * 2018-06-27 2022-11-11 Safran Electronics & Defense PRINTED CIRCUIT INTEGRATING A CURRENT DIVIDER BRIDGE

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6184672B1 (en) * 1997-08-15 2001-02-06 General Electric Company Current sensor assembly with electrostatic shield
US20130328655A1 (en) * 2012-06-12 2013-12-12 General Electric Company Transformer with planar primary winding

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6184672B1 (en) * 1997-08-15 2001-02-06 General Electric Company Current sensor assembly with electrostatic shield
US20130328655A1 (en) * 2012-06-12 2013-12-12 General Electric Company Transformer with planar primary winding

Also Published As

Publication number Publication date
GB201417827D0 (en) 2014-11-19
GB2525692A (en) 2015-11-04

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