A power supply system (1) includes a high voltage battery (3), a first DCDC converter (5) connected to the high voltage battery (3), a low voltage lead battery (7) configured to be charged from the high voltage battery (3) via the first DCDC converter (5), a low voltage lithium battery (9) connected to a low voltage power supply circuit (6), the low voltage lead battery (7), and a load (8,10), a second DCDC converter (12) connected to the low voltage power supply circuit (6) and disposed between the low voltage lead battery (7) and the low voltage lithium battery (9), a bypass circuit (13) connected to the low voltage power supply circuit (6) to bypass the second DCDC converter (2), and a control device (11) configured to watch the low voltage lithium battery (9) and control on/off of a switch unit (14) provided in the bypass circuit (13).
POWER SUPPLY SYSTEM, DCDC CONVERTER DEVICE, AND CHARGING METHOD
STROMVERSORGUNGSSYSTEM, GLEICHSTROMWANDLERVORRICHTUNG UND LADEVERFAHREN
SYSTÈME D'ALIMENTATION ÉLECTRIQUE, DISPOSITIF CONVERTISSEUR CC-CC ET PROCÉDÉ DE CHARGEMENT
2022-08-31
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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
DCDC converter, vehicle-mounted charging device, vehicle-mounted charging system and vehicle
European Patent Office | 2020
|Bidirectional DCDC converter, control method and electric vehicle charging device
European Patent Office | 2022
|