An auxiliary power supply device includes a storage circuit having a first electrical double layer capacitor and a second electrical double layer capacitor connected in series between a first node and a second node, a first switch element having a first terminal coupled to the first node, and a second terminal, a first discharging resistor provided between the second terminal and a fourth node, a second discharging resistor provided between the fourth node and ground, a second switch element having a third terminal coupled to a third node between the first electrical double layer capacitor and the second electrical double layer capacitor, and a fourth terminal coupled to the fourth node, and a measurement controller, and the measurement controller performs a procedure to compute a capacitance value of the storage circuit as a first process, and a procedure to connect the first switch element and connect the second switch element as a second process.
AUXILIARY POWER SUPPLY DEVICE AND METHOD FOR CONTROLLING AUXILIARY POWER SUPPLY DEVICE
2024-05-23
Patent
Electronic Resource
English
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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