An electrical installation includes a circuit-breaker having a breaking capacity PdC and a tripping current Is, an ammeter measuring the current, and a DC voltage source comprising batteries connected in parallel and connected in series with the circuit-breaker. The sum of the short-circuit currents of the batteries connected in parallel is higher than the breaking capacity PdC of the circuit-breaker. A plurality of the batteries each includes a respective switch capable of opening a connection between the battery of the same and the circuit-breaker. The electrical installation also includes a control circuit to detect that the current passing through the circuit-breaker is higher than the tripping current Is and to control the opening of a plurality of the switches in order to apply, through the circuit-breaker, a current higher than the tripping current Is of the same and lower than the breaking capacity PdC of the same.


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    Titel :

    Protection of a power supply including a plurality of batteries in parallel against an external short circuit


    Beteiligte:
    CHATROUX DANIEL (Autor:in) / CARCOUET SEBASTIEN (Autor:in) / DAUCHY JULIEN (Autor:in)

    Erscheinungsdatum :

    2018-04-17


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY




    Protecting a power supply including a plurality of batteries in parallel against an external short-circuit

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