Provided is a ground fault detecting device 10 having a ground fault detection part 64 which detects a ground fault of an ungrounded circuit 70 based on a ground fault detection signal St_s of a ground fault signal detection circuit 53 when detection signals S_sig are superimposed on a positive side output part PL and a negative side output part ML by an inverting amplifier 25 connected to the positive side output part PL and an inverting amplifier 35 connected to the negative side output part ML, and having a power supply voltage detection part 66 which detects output voltage of a lithium-ion battery 71 based on a first power supply voltage detection signal Vd1_s of a first power supply voltage detection circuit 52.


    Access

    Download


    Export, share and cite



    Title :

    Ground fault detecting device for an ungrounded circuit


    Contributors:

    Publication date :

    2016-02-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES



    Development of Fault Detector for 33-kV Ungrounded Power Line

    Yamamoto, Minoru | Online Contents | 1995



    Lightning: Ungrounded Fears, and Real Menace

    Wiley, J. | British Library Online Contents | 2007


    Protection of ungrounded objects against direct lightning strokes

    Avrootskij, V. / Bizyaev, A. / Levitova, L. et al. | Tema Archive | 1992


    Power supply system having a circuit for detecting a ground fault

    GROOMS ROBERT / SINGH VIBHOR | European Patent Office | 2025

    Free access