CA1032597A - Transformateur de courant detecteur de court-circuit a la masse - Google Patents

Transformateur de courant detecteur de court-circuit a la masse

Info

Publication number
CA1032597A
CA1032597A CA222,178A CA222178A CA1032597A CA 1032597 A CA1032597 A CA 1032597A CA 222178 A CA222178 A CA 222178A CA 1032597 A CA1032597 A CA 1032597A
Authority
CA
Canada
Prior art keywords
current transformer
ground fault
sensor current
fault sensor
ground
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.)
Expired
Application number
CA222,178A
Other languages
English (en)
Other versions
CA222178S (fr
Inventor
John A. Pagon
Erwin Spotz
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.)
Electromagnetic Industries Inc
Original Assignee
Electromagnetic Industries Inc
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 Electromagnetic Industries Inc filed Critical Electromagnetic Industries Inc
Application granted granted Critical
Publication of CA1032597A publication Critical patent/CA1032597A/fr
Expired 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
    • G01R15/186—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transformers For Measuring Instruments (AREA)
CA222,178A 1974-07-10 1975-03-17 Transformateur de courant detecteur de court-circuit a la masse Expired CA1032597A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US487362A US3883835A (en) 1974-07-10 1974-07-10 Ground fault sensor current transformer

Publications (1)

Publication Number Publication Date
CA1032597A true CA1032597A (fr) 1978-06-06

Family

ID=23935429

Family Applications (1)

Application Number Title Priority Date Filing Date
CA222,178A Expired CA1032597A (fr) 1974-07-10 1975-03-17 Transformateur de courant detecteur de court-circuit a la masse

Country Status (2)

Country Link
US (1) US3883835A (fr)
CA (1) CA1032597A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4684882A (en) * 1983-02-18 1987-08-04 Blain Aurele J Electrical transformer having a solid core surrounding winding in a loop configuration
US4851803A (en) * 1988-07-25 1989-07-25 E-Mon Corporation Split core insulator and locking device
JPH07128373A (ja) * 1993-11-02 1995-05-19 Sumitomo Special Metals Co Ltd 直流電流センサー
KR20150074101A (ko) * 2012-10-22 2015-07-01 에이비비 테크놀로지 아게 인터로킹 코어 프레임을 갖는 변압기
CN105935667B (zh) * 2016-05-31 2018-04-10 广西电网有限责任公司电力科学研究院 一种电流互感器铁芯快速分选方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US896983A (en) * 1907-05-01 1908-08-25 Gen Electric Transformer-core construction.
US1415505A (en) * 1920-06-28 1922-05-09 Donald J Angus Current transformer
US2148641A (en) * 1936-04-09 1939-02-28 Reich Erno Transformer for electrical measuring instruments
US2176756A (en) * 1938-04-02 1939-10-17 Stephen W Borden Conductor exploring coil

Also Published As

Publication number Publication date
US3883835A (en) 1975-05-13

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