BE456274A - - Google Patents

Info

Publication number
BE456274A
BE456274A BE456274DA BE456274A BE 456274 A BE456274 A BE 456274A BE 456274D A BE456274D A BE 456274DA BE 456274 A BE456274 A BE 456274A
Authority
BE
Belgium
Prior art keywords
voltage
devices
voltages
comparators
methods
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE456274A publication Critical patent/BE456274A/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
    • H02H3/28Emergency 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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • H02H3/30Emergency 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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel
    • H02H3/302Emergency 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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel involving phase comparison

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
BE456274D BE456274A (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE456274A true BE456274A (enrdf_load_html_response)

Family

ID=109973

Family Applications (1)

Application Number Title Priority Date Filing Date
BE456274D BE456274A (enrdf_load_html_response)

Country Status (1)

Country Link
BE (1) BE456274A (enrdf_load_html_response)

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