A monitoring circuit for a high-voltage DC charging apparatus provides for the monitoring circuit to have a first high-voltage busbar and a second high-voltage busbar as well as a reference potential. This is electrically insulated from the high-voltage busbars. The monitoring circuit has a current sensor apparatus which is configured to capture a common-mode current flowing through the high-voltage busbars. The monitoring circuit also has a control device. The current sensor apparatus has a signal-transmitting connection to the control device, and the control device is configured to emit a fault signal if the magnitude of the common-mode current exceeds a limit. Furthermore, a DC voltage charging station, a DC voltage charging cable, a vehicle charging circuit and a method for detecting a fault in a high-voltage DC charging process are described.


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    Titel :

    DC VOLTAGE FAULT CURRENT MONITORING FOR DETECTING AN INSULATION FAULT


    Beteiligte:

    Erscheinungsdatum :

    06.02.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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