An energy storage system may include one or more battery packs, wherein one terminal of the one or more battery packs is electrically coupled to a resistor representative of an isolation resistance of the energy storage system, a semiconductor relay switch, a plurality of resistors configured to electrically couple to the one or more battery packs via the semiconductor relay switch, a gain field-effect transistor (FET) configured to electrically short at least one resistor of the plurality of resistors, one or more capacitors electrically couples to a system ground of a vehicle and the one or more battery packs, and a control system configured to control the semiconductor switch and the gain FET.


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    Title :

    ISOLATION BARRIER FAULT DETECTION CIRCUIT


    Additional title:

    ISOLATIONSBARRIERE-FEHLERDETEKTIONSSCHALTUNG
    CIRCUIT DE DÉTECTION DE DÉFAILLANCE D'UNE BARRIÈRE D'ISOLATION


    Contributors:

    Publication date :

    2019-07-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / 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



    ISOLATION BARRIER FAULT DETECTION CIRCUIT

    DULLE RONALD J / JOHNSON MARK R | European Patent Office | 2018

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    ISOLATION BARRIER FAULT DETECTION CIRCUIT

    DULLE RONALD J / JOHNSON MARK R | European Patent Office | 2018

    Free access

    Isolation barrier fault detection circuit

    DULLE RONALD J / JOHNSON MARK R | European Patent Office | 2018

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    Fault Detection and Isolation

    Bernath, G. / United States; Federal Aviation Administration / United States; National Aeronautics and Space Administration | British Library Conference Proceedings | 1994


    Fault detection and isolation

    Bernath, Greg | NTRS | 1993