DE69406332D1 - 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
DE69406332D1
DE69406332D1 DE69406332T DE69406332T DE69406332D1 DE 69406332 D1 DE69406332 D1 DE 69406332D1 DE 69406332 T DE69406332 T DE 69406332T DE 69406332 T DE69406332 T DE 69406332T DE 69406332 D1 DE69406332 D1 DE 69406332D1
Authority
DE
Germany
Prior art keywords
current
asymmetry
determining
secondary winding
annular body
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 - Lifetime
Application number
DE69406332T
Other languages
English (en)
Other versions
DE69406332T2 (de
Inventor
Jean-Marc Braun
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.)
Hager Electro SAS
Original Assignee
Hager Electro SAS
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 SAS filed Critical Hager Electro SAS
Application granted granted Critical
Publication of DE69406332D1 publication Critical patent/DE69406332D1/de
Publication of DE69406332T2 publication Critical patent/DE69406332T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE69406332T 1993-03-09 1994-01-19 Vorrichtung zur Bestimmung der Unsymmetrie des Stroms, insbesondere für Differenzstromschalter Expired - Lifetime DE69406332T2 (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 (2)

Publication Number Publication Date
DE69406332D1 true DE69406332D1 (de) 1997-11-27
DE69406332T2 DE69406332T2 (de) 1998-02-26

Family

ID=9444775

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69406332T Expired - Lifetime DE69406332T2 (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
FR2702605A1 (fr) 1994-09-16
EP0615269B1 (de) 1997-10-22
ATE159613T1 (de) 1997-11-15
DE69406332T2 (de) 1998-02-26
FR2702605B1 (fr) 1995-05-19
EP0615269A1 (de) 1994-09-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition