BE763766A - Transformateur homopolaire d'intensite pour relais differentiela grandesensibilite - Google Patents

Transformateur homopolaire d'intensite pour relais differentiela grandesensibilite

Info

Publication number
BE763766A
BE763766A BE763766A BE763766A BE763766A BE 763766 A BE763766 A BE 763766A BE 763766 A BE763766 A BE 763766A BE 763766 A BE763766 A BE 763766A BE 763766 A BE763766 A BE 763766A
Authority
BE
Belgium
Prior art keywords
current transformer
high sensitivity
differential relay
homopolar current
homopolar
Prior art date
Application number
BE763766A
Other languages
English (en)
French (fr)
Original Assignee
Saparel
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 Saparel filed Critical Saparel
Publication of BE763766A publication Critical patent/BE763766A/xx

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
    • H01F38/32—Circuit arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
    • H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
    • H01F27/427—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for current transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency 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
    • H02H3/32—Emergency 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
    • H02H3/34—Emergency 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
    • H02H3/347—Emergency 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)
BE763766A 1970-03-16 1971-03-04 Transformateur homopolaire d'intensite pour relais differentiela grandesensibilite BE763766A (fr)

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
BE763766A true BE763766A (fr) 1971-09-06

Family

ID=9052292

Family Applications (1)

Application Number Title Priority Date Filing Date
BE763766A BE763766A (fr) 1970-03-16 1971-03-04 Transformateur homopolaire d'intensite pour relais differentiela grandesensibilite

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

Family Cites Families (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
FR2081183A1 (enExample) 1971-12-03

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