BE510537A - - Google Patents

Info

Publication number
BE510537A
BE510537A BE510537DA BE510537A BE 510537 A BE510537 A BE 510537A BE 510537D A BE510537D A BE 510537DA BE 510537 A BE510537 A BE 510537A
Authority
BE
Belgium
Prior art keywords
current
winding
circuit
relay
pilot
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE510537A publication Critical patent/BE510537A/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
    • H02H3/307Emergency 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 comparison of quantities derived from a plurality of phases, e.g. homopolar quantities; using mixing transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
BE510537D BE510537A (de)

Publications (1)

Publication Number Publication Date
BE510537A true BE510537A (de)

Family

ID=149613

Family Applications (1)

Application Number Title Priority Date Filing Date
BE510537D BE510537A (de)

Country Status (1)

Country Link
BE (1) BE510537A (de)

Similar Documents

Publication Publication Date Title
EP3232526B1 (de) Vorrichtung zur detektion eines fehlerstroms
FR2568425A1 (fr) Circuit de coupure de courant en cas de defaut a la terre, avec protection contre l'interruption des conducteurs de neutre et de terre.
FR2493527A1 (fr) Dispositif pour l'elimination rapide des charges piegees dans un pont diviseur capacitif utilise pour la surveillance des tensions alternatives elevees
EP0072721B1 (de) System zur Lokalisierung von Kreisen und Unterbrechungen in einer Zweidrahtleitung
BE510537A (de)
EP0002975B1 (de) Anordnung zur Regelung einer Gleichspannung
FR3083926A1 (fr) Dispositif de protection differentielle
EP4216386A1 (de) Schutzvorrichtung für eine elektrische anlage in wechselstrom und/oder gleichstrom
EP0739073A1 (de) Differentialschutz
EP2198507B1 (de) Variable steuerung
FR2653610A1 (fr) Interrupteur differentiel selectif a courant de defaut.
BE634269A (de)
BE485999A (de)
CH364299A (fr) Dispositif de désexcitation rapide d'une machine électrique rotative
CH265643A (fr) Procédé pour comparer deux grandeurs électriques sinusoïdales, notamment pour comparer le sens de ces deux grandeurs, et installation pour la mise en oeuvre de ce procédé.
CH264731A (fr) Procédé pour comparer les phases respectives de deux tensions alternatives, notamment pour la commande des appareils de protection sélective des lignes de transport d'énergie, et installation pour la mise en oeuvre de ce procédé.
BE897830A (fr) Circuit pour detecter la condition d'une ligne de telecommunication
CH397836A (fr) Equipement de sécurité à courant alternatif pour la protection d'une installation électrique de commande, de signalisation ou de surveillance
BE506729A (de)
CH88651A (fr) Procédé et installation d'égalisation des potentiels des prises de terre dans les postes télégraphiques.
BE446662A (de)
BE654061A (fr) Relais voltmétrique à temps dépendant
CH419235A (fr) Circuit interrupteur électronique
FR3029034A1 (fr) Dispositif de conversion d'energie electrique a caracteristiques ameliorees
BE547608A (de)