JPS50146375A - - Google Patents

Info

Publication number
JPS50146375A
JPS50146375A JP50022713A JP2271375A JPS50146375A JP S50146375 A JPS50146375 A JP S50146375A JP 50022713 A JP50022713 A JP 50022713A JP 2271375 A JP2271375 A JP 2271375A JP S50146375 A JPS50146375 A JP S50146375A
Authority
JP
Japan
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.)
Pending
Application number
JP50022713A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS50146375A publication Critical patent/JPS50146375A/ja
Pending 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
    • 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)
JP50022713A 1974-02-25 1975-02-24 Pending JPS50146375A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7406338A FR2291591A1 (fr) 1974-02-25 1974-02-25 Circuit magnetique pour detecteur de courant, et detecteur realise avec un tel circuit

Publications (1)

Publication Number Publication Date
JPS50146375A true JPS50146375A (enrdf_load_stackoverflow) 1975-11-25

Family

ID=9135404

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50022713A Pending JPS50146375A (enrdf_load_stackoverflow) 1974-02-25 1975-02-24

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6339919U (enrdf_load_stackoverflow) * 1986-08-30 1988-03-15

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3140544A1 (de) * 1981-10-13 1983-04-21 Richard Dr.-Ing. 3300 Braunschweig Friedl Aktiver stromsensor mit primaerer reduzierwicklung
EP0618451B1 (de) * 1993-03-05 1996-02-21 Deutsche Zaehler-Gesellschaft Stromwandler, insbesondere für einen elektronischen Elektrizitätszähler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6339919U (enrdf_load_stackoverflow) * 1986-08-30 1988-03-15

Also Published As

Publication number Publication date
IT1027499B (it) 1978-11-20
FR2291591B1 (enrdf_load_stackoverflow) 1978-06-16
FR2291591A1 (fr) 1976-06-11
DE2505761A1 (de) 1975-08-28

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