BE739905A - - Google Patents

Info

Publication number
BE739905A
BE739905A BE739905DA BE739905A BE 739905 A BE739905 A BE 739905A BE 739905D A BE739905D A BE 739905DA BE 739905 A BE739905 A BE 739905A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE739905A publication Critical patent/BE739905A/xx

Links

Classifications

    • 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
    • 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
    • H02H3/08Emergency 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
    • H02H3/093Emergency 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 with timing means
BE739905D 1968-10-07 1969-10-06 BE739905A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US76558268A 1968-10-07 1968-10-07
US76555268A 1968-10-07 1968-10-07
US76558368A 1968-10-07 1968-10-07

Publications (1)

Publication Number Publication Date
BE739905A true BE739905A (es) 1970-03-16

Family

ID=27419612

Family Applications (1)

Application Number Title Priority Date Filing Date
BE739905D BE739905A (es) 1968-10-07 1969-10-06

Country Status (5)

Country Link
BE (1) BE739905A (es)
BR (1) BR6913083D0 (es)
ES (1) ES371934A1 (es)
FR (1) FR2020078B1 (es)
GB (2) GB1292143A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000400A (en) * 1977-06-23 1979-01-04 Matthews G Overload protection circuit
US4255774A (en) * 1979-03-16 1981-03-10 General Electric Company Static instantaneous overcurrent relay with low transient overreach
US4513342A (en) * 1983-01-31 1985-04-23 General Electric Company Current-squared-time (i2 t) protection system
GB2140633A (en) * 1983-04-29 1984-11-28 Plessey Co Plc Load tripping circuits

Also Published As

Publication number Publication date
ES371934A1 (es) 1971-11-16
GB1292143A (en) 1972-10-11
GB1292142A (en) 1972-10-11
FR2020078A1 (es) 1970-07-10
BR6913083D0 (pt) 1973-01-11
FR2020078B1 (es) 1973-05-25

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