DE2505761A1 - Magnetkreis sowie strommesser und differenztransformator damit - Google Patents

Magnetkreis sowie strommesser und differenztransformator damit

Info

Publication number
DE2505761A1
DE2505761A1 DE19752505761 DE2505761A DE2505761A1 DE 2505761 A1 DE2505761 A1 DE 2505761A1 DE 19752505761 DE19752505761 DE 19752505761 DE 2505761 A DE2505761 A DE 2505761A DE 2505761 A1 DE2505761 A1 DE 2505761A1
Authority
DE
Germany
Prior art keywords
circuit
opening
magnetic circuit
magnetic
ammeter
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.)
Pending
Application number
DE19752505761
Other languages
German (de)
English (en)
Inventor
Auf Nichtnennung Antrag
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.)
Metalimphy SA
Original Assignee
Metalimphy SA
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 SA filed Critical Metalimphy SA
Publication of DE2505761A1 publication Critical patent/DE2505761A1/de
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)
DE19752505761 1974-02-25 1975-02-12 Magnetkreis sowie strommesser und differenztransformator damit Pending DE2505761A1 (de)

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
DE2505761A1 true DE2505761A1 (de) 1975-08-28

Family

ID=9135404

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752505761 Pending DE2505761A1 (de) 1974-02-25 1975-02-12 Magnetkreis sowie strommesser und differenztransformator damit

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983001535A1 (en) * 1981-10-13 1983-04-28 Richard Friedl Current sensor device with primary reduction winding
WO1994020860A1 (de) * 1993-03-05 1994-09-15 Deutsche Zähler-Gesellschaft Nachf. A. Stepper & Co. (Gmbh & Co.) Stromwandler, insbesondere für einen elektronischen elektrizitätszähler

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0525222Y2 (enrdf_load_stackoverflow) * 1986-08-30 1993-06-25

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983001535A1 (en) * 1981-10-13 1983-04-28 Richard Friedl Current sensor device with primary reduction winding
US4626778A (en) * 1981-10-13 1986-12-02 Lgz Landis & Gyr Zug Ag Active current sensor with primary reducing winding
WO1994020860A1 (de) * 1993-03-05 1994-09-15 Deutsche Zähler-Gesellschaft Nachf. A. Stepper & Co. (Gmbh & Co.) Stromwandler, insbesondere für einen elektronischen elektrizitätszähler
EP0618451A1 (de) * 1993-03-05 1994-10-05 Deutsche Zaehler-Gesellschaft Stromwandler, insbesondere für einen elektronischen Elektrizitätszähler

Also Published As

Publication number Publication date
JPS50146375A (enrdf_load_stackoverflow) 1975-11-25
IT1027499B (it) 1978-11-20
FR2291591B1 (enrdf_load_stackoverflow) 1978-06-16
FR2291591A1 (fr) 1976-06-11

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