A method for controlling a vehicle-external charging device for charging a vehicle. The charging device has an AC current grid having a neutral conductor, a protective conductor and at least one phase conductor, a protection and monitoring apparatus, and a DC current charging terminal. The vehicle includes a high-voltage on-board power system and an electrical energy storage element connected to the on-board power system. The method includes electrically connecting the on-board power system to the DC current charging terminal of the charging device, and detecting a protective conductor resistance between the neutral conductor and the protective conductor by feeding in a test current by way of the protection and monitoring apparatus. A frequency of the test current is either outside of a compensation frequency range of the protection and monitoring apparatus or within the compensation frequency range and is filtered out of the compensation frequency range on a narrowband basis.
Method for controlling a vehicle external charging device and, charging device
2021-11-16
Patent
Electronic Resource
English
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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