ATE159613T1 - Vorrichtung zur bestimmung der unsymmetrie des stroms, insbesondere für differenzstromschalter - Google Patents

Vorrichtung zur bestimmung der unsymmetrie des stroms, insbesondere für differenzstromschalter

Info

Publication number
ATE159613T1
ATE159613T1 AT94400118T AT94400118T ATE159613T1 AT E159613 T1 ATE159613 T1 AT E159613T1 AT 94400118 T AT94400118 T AT 94400118T AT 94400118 T AT94400118 T AT 94400118T AT E159613 T1 ATE159613 T1 AT E159613T1
Authority
AT
Austria
Prior art keywords
current
unsymmetry
determining
secondary winding
annular body
Prior art date
Application number
AT94400118T
Other languages
English (en)
Inventor
Jean-Marc Braun
Original Assignee
Hager Electro
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 Hager Electro filed Critical Hager Electro
Application granted granted Critical
Publication of ATE159613T1 publication Critical patent/ATE159613T1/de

Links

Classifications

    • 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
    • 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
    • H01F38/38—Instruments transformers for polyphase AC
    • 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)
  • Transformers For Measuring Instruments (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
AT94400118T 1993-03-09 1994-01-19 Vorrichtung zur bestimmung der unsymmetrie des stroms, insbesondere für differenzstromschalter ATE159613T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9302685A FR2702605B1 (fr) 1993-03-09 1993-03-09 Dispositif de détection de déséquilibre de courant, notamment pour interrupteur différentiel.

Publications (1)

Publication Number Publication Date
ATE159613T1 true ATE159613T1 (de) 1997-11-15

Family

ID=9444775

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94400118T ATE159613T1 (de) 1993-03-09 1994-01-19 Vorrichtung zur bestimmung der unsymmetrie des stroms, insbesondere für differenzstromschalter

Country Status (4)

Country Link
EP (1) EP0615269B1 (de)
AT (1) ATE159613T1 (de)
DE (1) DE69406332T2 (de)
FR (1) FR2702605B1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1337384A (fr) * 1962-07-30 1963-09-13 Perfectionnements aux disjoncteurs multipolaires à bobinage différentiel
FR2030487A5 (de) * 1969-01-30 1970-11-13 Comp Generale Electricite
FR2147816B1 (de) * 1971-07-30 1975-02-07 Landis & Gyr Ag
US4728919A (en) * 1985-11-25 1988-03-01 Siemens Aktiengesellschaft Moisture-tight wound ferrite toroidal core with resin envelope

Also Published As

Publication number Publication date
EP0615269B1 (de) 1997-10-22
DE69406332D1 (de) 1997-11-27
FR2702605B1 (fr) 1995-05-19
DE69406332T2 (de) 1998-02-26
EP0615269A1 (de) 1994-09-14
FR2702605A1 (fr) 1994-09-16

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties