An electrical current detection device is provided with a shunt resistor that includes a first conducting part, a second conducting part, a center conducting part disposed between the first conducting part and the second conducting part, a first resistor disposed between the first conducting part and the center conducting part, and a second resistor disposed between the second conducting part and the center conducting part, the second resistor having a greater resistance value than the first resistor. The electrical current detection device is further provided with: a signal output unit; an estimation unit that estimates a first estimated current value from the first detection signal, and estimates a second estimated current value from the second detection signal; and an determination unit that compares the first estimated current value and the second estimated current value, and determines the abnormality of the shunt resistor.


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    Titel :

    Electrical current detection device equipped with shunt resistor, and power supply device


    Beteiligte:
    YUGOU MASAKI (Autor:in) / FURUKAWA KIMIHIKO (Autor:in)

    Erscheinungsdatum :

    17.04.2018


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES



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