차량은 제1 배터리의 일극과 연결되는 제1 전원단, 제2 배터리의 일극과 연결되는 제2 전원단 및 전장 부하의 일단과 연결되는 부하단을 가지고, 스위칭 회로, 트랜스포머 및 정류 회로를 포함하는 DC/DC 컨버터; 및 상기 DC/DC 컨버터의 동작 모드를 LDC 모드 또는 SOC 밸런싱 모드로 설정하는 컨트롤러를 포함하되, 상기 DC/DC 컨버터는, 상기 LDC 모드가 수행될 때 상기 제1 전원단의 전압을 상기 스위칭 회로, 상기 트랜스포머 및 상기 정류 회로를 통해 강압하여 상기 부하단으로 출력하고, 상기 SOC 밸런싱 모드가 수행될 때 상기 제1 및 제2 전원단 간의 전력 전달을 상기 스위칭 회로를 통해 제어한다.
An embodiment vehicle includes a DC/DC converter having a first power terminal connected to a first electrode of a first battery, a second power terminal connected to a first electrode of a second battery, and a load terminal connected to a first end of an electric load, and including a switching circuit, a transformer, and a rectifier circuit, and a controller configured to set an operation mode of the DC/DC converter to a low-voltage DC/DC converter (LDC) mode or a state-of-charge (SOC) balancing mode, wherein the DC/DC converter is configured to step down a voltage of the first power terminal through the switching circuit, the transformer, and the rectifier circuit and output the voltage to the load terminal when the LDC mode is performed and to control power transfer between the first and second power terminals through the switching circuit when the SOC balancing mode is performed.
VEHICLE CONVERTING BATTERY POWER AND METHOD OF CONTROLLING FOR THE SAME
배터리의 전력을 변환하는 차량 및 이의 제어 방법
2024-05-23
Patent
Electronic Resource
Korean
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen |
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