BE627217A - - Google Patents

Info

Publication number
BE627217A
BE627217A BE627217DA BE627217A BE 627217 A BE627217 A BE 627217A BE 627217D A BE627217D A BE 627217DA BE 627217 A BE627217 A BE 627217A
Authority
BE
Belgium
Application number
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.)
Publication of BE627217A publication Critical patent/BE627217A/xx

Links

Classifications

    • 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
    • H02H3/33—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 using summation current transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/36—Relay coil or coils forming part of a bridge circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
BE627217D 1962-01-26 BE627217A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR885998A FR1320791A (fr) 1962-01-26 1962-01-26 Perfectionnements aux relais différentiels de sécurité

Publications (1)

Publication Number Publication Date
BE627217A true BE627217A (cs)

Family

ID=8771289

Family Applications (1)

Application Number Title Priority Date Filing Date
BE627217D BE627217A (cs) 1962-01-26

Country Status (2)

Country Link
BE (1) BE627217A (cs)
FR (1) FR1320791A (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426973A1 (fr) * 1978-05-23 1979-12-21 Laprom Corp Nv Disjoncteur de courant de fuite
BR8805086A (pt) * 1987-01-30 1989-08-15 Square D Co Sistema de deteccao de falha de terra e sistema de deteccao de falha de terra para sistema eletrico trifasico

Also Published As

Publication number Publication date
FR1320791A (fr) 1963-03-15

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