FR2081183A1 - - Google Patents

Info

Publication number
FR2081183A1
FR2081183A1 FR7009286A FR7009286A FR2081183A1 FR 2081183 A1 FR2081183 A1 FR 2081183A1 FR 7009286 A FR7009286 A FR 7009286A FR 7009286 A FR7009286 A FR 7009286A FR 2081183 A1 FR2081183 A1 FR 2081183A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7009286A
Other languages
French (fr)
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.)
Societe dAppareillage Electrique SAPAREL SA
Original Assignee
Societe dAppareillage Electrique SAPAREL 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 Societe dAppareillage Electrique SAPAREL SA filed Critical Societe dAppareillage Electrique SAPAREL SA
Priority to FR7009286A priority Critical patent/FR2081183A1/fr
Priority to BE763766A priority patent/BE763766A/xx
Priority to NL7103097A priority patent/NL7103097A/xx
Priority to ES389199A priority patent/ES389199A1/es
Priority to DE19712112326 priority patent/DE2112326A1/de
Priority to GB2411671A priority patent/GB1309972A/en
Publication of FR2081183A1 publication Critical patent/FR2081183A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20Instruments transformers
    • H01F38/22Instruments transformers for single phase AC
    • H01F38/28Current transformers
    • H01F38/32Circuit arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/42Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
    • H01F27/422Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
    • H01F27/427Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for current transformers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/34Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system
    • H02H3/347Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system using summation current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Transformers (AREA)
  • Transformers For Measuring Instruments (AREA)
FR7009286A 1970-03-16 1970-03-16 Withdrawn FR2081183A1 (enExample)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7009286A FR2081183A1 (enExample) 1970-03-16 1970-03-16
BE763766A BE763766A (fr) 1970-03-16 1971-03-04 Transformateur homopolaire d'intensite pour relais differentiela grandesensibilite
NL7103097A NL7103097A (enExample) 1970-03-16 1971-03-09
ES389199A ES389199A1 (es) 1970-03-16 1971-03-13 Perfeccionamientos introducidos en los transformadores ho- mopolares de intensidad para rele diferencia de gransensibi-lidad.
DE19712112326 DE2112326A1 (de) 1970-03-16 1971-03-15 Unipolarer Stromwandler fuer hochempfindliche Differentialrelais
GB2411671A GB1309972A (en) 1970-03-16 1971-04-19 Protective arrangement against earth leakage currents for a multi- phase electric supply line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7009286A FR2081183A1 (enExample) 1970-03-16 1970-03-16

Publications (1)

Publication Number Publication Date
FR2081183A1 true FR2081183A1 (enExample) 1971-12-03

Family

ID=9052292

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7009286A Withdrawn FR2081183A1 (enExample) 1970-03-16 1970-03-16

Country Status (6)

Country Link
BE (1) BE763766A (enExample)
DE (1) DE2112326A1 (enExample)
ES (1) ES389199A1 (enExample)
FR (1) FR2081183A1 (enExample)
GB (1) GB1309972A (enExample)
NL (1) NL7103097A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0226111D0 (en) * 2002-11-08 2002-12-18 Delta Electrical Ltd Residual current devices
WO2019220022A1 (fr) * 2018-05-16 2019-11-21 Hager-Electro Sas Appareil électrique de coupure différentiel

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR946815A (fr) * 1947-05-14 1949-06-15 Appareil pour la désaimantation de pièces en fer ou en acier
FR1235318A (fr) * 1957-08-10 1960-07-08 Contacteur ou disjoncteur à rémanence munis d'un relais différentiel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR946815A (fr) * 1947-05-14 1949-06-15 Appareil pour la désaimantation de pièces en fer ou en acier
FR1235318A (fr) * 1957-08-10 1960-07-08 Contacteur ou disjoncteur à rémanence munis d'un relais différentiel

Also Published As

Publication number Publication date
DE2112326A1 (de) 1971-09-30
ES389199A1 (es) 1974-05-01
GB1309972A (en) 1973-03-14
NL7103097A (enExample) 1971-09-20
BE763766A (fr) 1971-09-06

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Legal Events

Date Code Title Description
ST Notification of lapse