BE483653A - - Google Patents

Info

Publication number
BE483653A
BE483653A BE483653DA BE483653A BE 483653 A BE483653 A BE 483653A BE 483653D A BE483653D A BE 483653DA BE 483653 A BE483653 A BE 483653A
Authority
BE
Belgium
Prior art keywords
relay
pulses
line
current
circuit
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE483653A publication Critical patent/BE483653A/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)
  • Locating Faults (AREA)
BE483653D BE483653A (de)

Publications (1)

Publication Number Publication Date
BE483653A true BE483653A (de)

Family

ID=130004

Family Applications (1)

Application Number Title Priority Date Filing Date
BE483653D BE483653A (de)

Country Status (1)

Country Link
BE (1) BE483653A (de)

Similar Documents

Publication Publication Date Title
FR2553943A1 (fr) Dispositif differentiel residuel equipe d'un dispositif de surveillance de la source d'alimentation de l'electronique
EP3502721B1 (de) Testverfahren des differentialschutzes, differentialschutzvorrichtung und elektrisches gerät, das eine solche vorrichtung umfasst
BE471305A (fr) Systèmes de signalisation électrique
EP0019507A1 (de) Verbesserung kapazitiver Spannungstransformatoren mit elektronischem Ausgang
EP1225673A1 (de) Elektrische Energieverteilungsvorrichtung, Anlage mit einer solchen Vorrichtung und Verfahren zum elektrischen Schutz
EP3594699B1 (de) Differentialschutzvorrichtung
BE483653A (de)
FR2581488A1 (fr) Perfectionnement aux alimentations en courant alternatif non susceptibles d'etre interrompues
FR2700076A1 (fr) Déclencheur électronique comportant un dispositif de test.
EP0129454B1 (de) Messverfahren um die Verfügbarkeit einer getakteten elektrischen Stromversorgung festzustellen und Vorrichtung zu seiner Durchführung
EP4119967A1 (de) Leistungsstufe umfassend eine steuerungseinheit
FR2470466A1 (fr) Dispositif de protection contre les surtensions
EP0739073B1 (de) Differentialschutz
BE485999A (de)
EP0851554B1 (de) Schutzschalter mit Vorrichtung zum Steueren des Öffnens und elektrische Verteilervorrichtung mit solchem Schalter
EP0689300B1 (de) Einrichtung zum Kompensieren der Dämpfung zentralisierter Fernsteuerungssignale auf einem Stromnetz
NO130156B (de)
EP0105786B1 (de) Abzweigschalter mit einem elektronischen Auslöser und einer ferngesteuerten Einstellung
US3588610A (en) Frequency shift relaying protective network with noise control
EP0037763A1 (de) Fernsteuerungsvorrichtung für an eine Wechselstromversorgungsanlage angeschlossene Heizungsapparate
EP0366063A1 (de) Elektrische Energieversorgung für eine Schutzstelle einer dreiphasigen Leitung
FR2653610A1 (fr) Interrupteur differentiel selectif a courant de defaut.
US2539444A (en) Carrier-current phase-angle relaying system
FR2632106A1 (fr) Dispositif pour la telecommande d'un appareil electrique
BE343785A (de)