CH554095A - Schaltungsanordnung fuer eine schutzeinrichtung zur erfassung der stroeme eines elektrischen netzes. - Google Patents

Schaltungsanordnung fuer eine schutzeinrichtung zur erfassung der stroeme eines elektrischen netzes.

Info

Publication number
CH554095A
CH554095A CH1487973A CH1487973A CH554095A CH 554095 A CH554095 A CH 554095A CH 1487973 A CH1487973 A CH 1487973A CH 1487973 A CH1487973 A CH 1487973A CH 554095 A CH554095 A CH 554095A
Authority
CH
Switzerland
Prior art keywords
currents
detecting
circuit arrangement
protective device
electrical network
Prior art date
Application number
CH1487973A
Other languages
German (de)
English (en)
Original Assignee
Hartmann & Braun Ag
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
Priority claimed from DE19722252689 external-priority patent/DE2252689C3/de
Application filed by Hartmann & Braun Ag filed Critical Hartmann & Braun Ag
Publication of CH554095A publication Critical patent/CH554095A/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
    • H02H3/34—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
    • 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
    • H02H3/08—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 excess current
    • H02H3/083—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 excess current for three-phase systems
CH1487973A 1972-10-27 1973-10-22 Schaltungsanordnung fuer eine schutzeinrichtung zur erfassung der stroeme eines elektrischen netzes. CH554095A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722252689 DE2252689C3 (de) 1972-10-27 Schutzschaltungsanordnung

Publications (1)

Publication Number Publication Date
CH554095A true CH554095A (de) 1974-09-13

Family

ID=5860196

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1487973A CH554095A (de) 1972-10-27 1973-10-22 Schaltungsanordnung fuer eine schutzeinrichtung zur erfassung der stroeme eines elektrischen netzes.

Country Status (3)

Country Link
CH (1) CH554095A (enExample)
FR (1) FR2249464B3 (enExample)
SE (1) SE396854B (enExample)

Also Published As

Publication number Publication date
SE396854B (sv) 1977-10-03
FR2249464B3 (enExample) 1976-09-17
DE2252689A1 (de) 1974-05-09
FR2249464A1 (enExample) 1975-05-23
DE2252689B2 (de) 1975-05-28

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Legal Events

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