FR2004314A1 - CURRENT TRANSFORMER NOT INFLUENCED BY THE FLOW OF NEIGHBORING CONDUCTORS - Google Patents

CURRENT TRANSFORMER NOT INFLUENCED BY THE FLOW OF NEIGHBORING CONDUCTORS

Info

Publication number
FR2004314A1
FR2004314A1 FR6907972A FR6907972A FR2004314A1 FR 2004314 A1 FR2004314 A1 FR 2004314A1 FR 6907972 A FR6907972 A FR 6907972A FR 6907972 A FR6907972 A FR 6907972A FR 2004314 A1 FR2004314 A1 FR 2004314A1
Authority
FR
France
Prior art keywords
influenced
flow
current transformer
neighboring conductors
conductors
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.)
Withdrawn
Application number
FR6907972A
Other languages
French (fr)
Inventor
Lester Steen Floyd
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2004314A1 publication Critical patent/FR2004314A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • H01F2038/305—Constructions with toroidal magnetic core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Coils Or Transformers For Communication (AREA)
FR6907972A 1968-03-20 1969-03-19 CURRENT TRANSFORMER NOT INFLUENCED BY THE FLOW OF NEIGHBORING CONDUCTORS Withdrawn FR2004314A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71460568A 1968-03-20 1968-03-20

Publications (1)

Publication Number Publication Date
FR2004314A1 true FR2004314A1 (en) 1969-11-21

Family

ID=24870730

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6907972A Withdrawn FR2004314A1 (en) 1968-03-20 1969-03-19 CURRENT TRANSFORMER NOT INFLUENCED BY THE FLOW OF NEIGHBORING CONDUCTORS

Country Status (5)

Country Link
US (1) US3449703A (en)
CH (1) CH486758A (en)
DE (1) DE1913553A1 (en)
FR (1) FR2004314A1 (en)
GB (1) GB1231108A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2471034A1 (en) * 1979-12-04 1981-06-12 Merlin Gerin Inductive current sensor for multipole AC switch - uses toroidal transformer core, carrying disjunction current, and secondary coil wound over insulation of core

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE29019E (en) * 1969-01-22 1976-10-26 Yeda Research & Development Co. Ltd. Intruder detection system
US3754223A (en) * 1970-01-21 1973-08-21 Yeda Res & Dev Intruder detection system
US3806798A (en) * 1973-01-29 1974-04-23 Balsbaugh Labor Inc Electrodeless conductivity measuring system
US3867657A (en) * 1974-03-29 1975-02-18 Westinghouse Electric Corp Generator having shielded current transformers positioned therein
FR2564594B1 (en) * 1984-05-21 1986-09-12 Merlin Gerin CURRENT SENSOR WITH AMAGNETIC CORE
AU611126B2 (en) * 1987-02-19 1991-06-06 Westinghouse Electric Corporation Electromagnetic contactor with lightweight wide range current transducer with sintered powdered metal core
US4887029A (en) * 1988-03-18 1989-12-12 Westinghouse Electric Corp. Mutual inductance current transducer, method of making and electric energy meter incorporating same
US5341083A (en) * 1991-09-27 1994-08-23 Electric Power Research Institute, Inc. Contactless battery charging system
US5301096A (en) * 1991-09-27 1994-04-05 Electric Power Research Institute Submersible contactless power delivery system
US5225769A (en) * 1992-02-21 1993-07-06 Zmd Corporation Defibrillation discharge current sensor
FR2712423B1 (en) * 1993-11-08 1996-02-09 Gec Alsthom T & D Sa Rogowski coil usable in an electrical installation with an earthed metal casing and method of manufacturing such a coil.
US5615075A (en) * 1995-05-30 1997-03-25 General Electric Company AC/DC current sensor for a circuit breaker
JPH10214736A (en) * 1997-01-28 1998-08-11 Toyo Denso Co Ltd High voltage generating transformer
US6566994B1 (en) * 1997-03-17 2003-05-20 Fluke Corporation Coil for an AC current sensor
FR2783085B1 (en) * 1998-09-09 2000-10-06 Alstom Technology TORIC COIL WITHOUT MAGNETIC CORE COMPRISING TWO SUPERIMPOSED WINDINGS
TR200905709A2 (en) * 2009-07-23 2009-09-23 Deni̇zoğlu Cemaletti̇n Winding method for eliminating tooth magnetic effects in low power current transformers.
US8957753B2 (en) * 2011-11-22 2015-02-17 Abb Technology Ag Current transformer
CN110676038A (en) * 2018-07-02 2020-01-10 福迪威（上海）工业仪器技术研发有限公司 Current transformer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2241127A (en) * 1938-04-14 1941-05-06 Westinghouse Electric & Mfg Co Protective relay
US2975384A (en) * 1954-09-24 1961-03-14 Sprague Electric Co Toroidal inductor combinations
DE1248154B (en) * 1964-04-06 1967-08-24 Siemens Ag Converter combined with a voltage converter
US3299384A (en) * 1964-07-01 1967-01-17 Ibm Wide-band transformer having neutralizing winding
US3353132A (en) * 1965-05-27 1967-11-14 Gen Electric Leakage flux suppressor windings for transformers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2471034A1 (en) * 1979-12-04 1981-06-12 Merlin Gerin Inductive current sensor for multipole AC switch - uses toroidal transformer core, carrying disjunction current, and secondary coil wound over insulation of core

Also Published As

Publication number Publication date
GB1231108A (en) 1971-05-12
US3449703A (en) 1969-06-10
DE1913553A1 (en) 1969-10-09
CH486758A (en) 1970-02-28

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Legal Events

Date Code Title Description
ST Notification of lapse