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IT1027499B - MAGNETIC CIRCUIT FOR CURRENT DETECTOR, AND DETECTOR MADE WITH SUCH A CIRCUIT - Google Patents

MAGNETIC CIRCUIT FOR CURRENT DETECTOR, AND DETECTOR MADE WITH SUCH A CIRCUIT

Info

Publication number
IT1027499B
IT1027499B IT6733675A IT6733675A IT1027499B IT 1027499 B IT1027499 B IT 1027499B IT 6733675 A IT6733675 A IT 6733675A IT 6733675 A IT6733675 A IT 6733675A IT 1027499 B IT1027499 B IT 1027499B
Authority
IT
Italy
Prior art keywords
circuit
detector
magnetic circuit
current detector
current
Prior art date
Application number
IT6733675A
Other languages
Italian (it)
Original Assignee
Metalimphy
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 Metalimphy filed Critical Metalimphy
Application granted granted Critical
Publication of IT1027499B publication Critical patent/IT1027499B/en

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
IT6733675A 1974-02-25 1975-02-07 MAGNETIC CIRCUIT FOR CURRENT DETECTOR, AND DETECTOR MADE WITH SUCH A CIRCUIT IT1027499B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7406338A FR2291591A1 (en) 1974-02-25 1974-02-25 Magnetic circuit for differential transformer - has prismatic block of laminations matching winding core windows

Publications (1)

Publication Number Publication Date
IT1027499B true IT1027499B (en) 1978-11-20

Family

ID=9135404

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6733675A IT1027499B (en) 1974-02-25 1975-02-07 MAGNETIC CIRCUIT FOR CURRENT DETECTOR, AND DETECTOR MADE WITH SUCH A CIRCUIT

Country Status (4)

Country Link
JP (1) JPS50146375A (en)
DE (1) DE2505761A1 (en)
FR (1) FR2291591A1 (en)
IT (1) IT1027499B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3140544A1 (en) * 1981-10-13 1983-04-21 Richard Dr.-Ing. 3300 Braunschweig Friedl ACTIVE CURRENT SENSOR WITH PRIMARY REDUCER
JPH0525222Y2 (en) * 1986-08-30 1993-06-25
ES2085667T3 (en) * 1993-03-05 1996-06-01 Deutsche Zaehler Gmbh CURRENT TRANSFORMER, ESPECIALLY FOR AN ELECTRONIC ELECTRICITY METER.

Also Published As

Publication number Publication date
JPS50146375A (en) 1975-11-25
FR2291591B1 (en) 1978-06-16
FR2291591A1 (en) 1976-06-11
DE2505761A1 (en) 1975-08-28

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