SE396854B - COUPLING CIRCUIT FOR A PROTECTIVE DEVICE - Google Patents

COUPLING CIRCUIT FOR A PROTECTIVE DEVICE

Info

Publication number
SE396854B
SE396854B SE7313808A SE7313808A SE396854B SE 396854 B SE396854 B SE 396854B SE 7313808 A SE7313808 A SE 7313808A SE 7313808 A SE7313808 A SE 7313808A SE 396854 B SE396854 B SE 396854B
Authority
SE
Sweden
Prior art keywords
protective device
coupling circuit
coupling
circuit
protective
Prior art date
Application number
SE7313808A
Other languages
Swedish (sv)
Inventor
H F Rollecke
R W Konig
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/en
Application filed by Hartmann & Braun Ag filed Critical Hartmann & Braun Ag
Publication of SE396854B publication Critical patent/SE396854B/en

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
SE7313808A 1972-10-27 1973-10-11 COUPLING CIRCUIT FOR A PROTECTIVE DEVICE SE396854B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722252689 DE2252689C3 (en) 1972-10-27 Protection circuitry

Publications (1)

Publication Number Publication Date
SE396854B true SE396854B (en) 1977-10-03

Family

ID=5860196

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7313808A SE396854B (en) 1972-10-27 1973-10-11 COUPLING CIRCUIT FOR A PROTECTIVE DEVICE

Country Status (3)

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

Also Published As

Publication number Publication date
CH554095A (en) 1974-09-13
FR2249464B3 (en) 1976-09-17
DE2252689A1 (en) 1974-05-09
FR2249464A1 (en) 1975-05-23
DE2252689B2 (en) 1975-05-28

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