BE522767A - - Google Patents

Info

Publication number
BE522767A
BE522767A BE522767DA BE522767A BE 522767 A BE522767 A BE 522767A BE 522767D A BE522767D A BE 522767DA BE 522767 A BE522767 A BE 522767A
Authority
BE
Belgium
Prior art keywords
phase
voltage
voltages
relays
neutral
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE522767A publication Critical patent/BE522767A/fr

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
    • H02H3/353Emergency 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 involving comparison of phase voltages

Landscapes

  • Control Of Ac Motors In General (AREA)
BE522767D BE522767A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE522767A true BE522767A (enrdf_load_stackoverflow)

Family

ID=157925

Family Applications (1)

Application Number Title Priority Date Filing Date
BE522767D BE522767A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE522767A (enrdf_load_stackoverflow)

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