An electric leakage detection apparatus for a battery included in an electric vehicle transmits a first voltage corresponding to a voltage between a negative terminal of the battery and a chassis of the electric vehicle to an analog-to-digital converter through a capacitor. The electric leakage detection apparatus transmits a second voltage corresponding to a voltage between a positive terminal of the battery and the chassis to the analog-to-digital converter through the capacitor. The analog-to-digital converter outputs digital signals indicating the first voltage and the second voltage using the negative terminal as the ground. The electric leakage detection apparatus determines the first voltage and the second voltage based on the digital signals, and detects an electric leakage between the battery and the chassis based on the first voltage and the second voltage.
Electric leakage detection apparatus, electric leakage detection method, and electric vehicle
2023-09-19
Patent
Elektronische Ressource
Englisch
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