A charger for a vehicle includes a power factor correction (PFC) stage that converts AC input power to DC power; an inverter stage; and a transformer having a first coil, a second coil, and an OBC coil, each coil being magnetically coupled to deliver power therebetween. The OBC coil is connected to the inverter stage, a high voltage (HV) power converter is connected to the first coil to charge an HV battery connected to the high voltage (HV) power converter, and a low voltage (LV) power converter is connected to the second coil to charge an LV battery connected to the low voltage (LV) power converter. The charger operates in an on-board charger (OBC) mode to transfer input power to charge the HV battery from AC input power. The charger also operates in a DC-DC mode to transfer power from the HV battery to the LV battery and in a wireless power transfer (WPT) mode to receive power from the transceiver coil to charge the HV battery.
一种用于运载工具的充电器包括:功率因数校正(PFC)级,其将AC输入电力转换成DC电力;逆变器级;以及变压器,其具有第一线圈、第二线圈和OBC线圈,每个线圈被磁耦合以在其间输送电力。OBC线圈连接至逆变器级,高压(HV)电力转换器连接至第一线圈以对连接至高压(HV)电力转换器的HV电池充电,低压(LV)电力转换器连接至第二线圈以对连接至低压(LV)电力转换器的的LV电池充电。充电器在板载充电器(OBC)模式下工作,以传输输入电力以从AC输入电力对HV电池充电。充电器还在DC‑DC模式下工作,以将电力从HV电池传输至LV电池,并且在无线电力传输(WPT)模式下工作,以从收发器线圈接收电力以对HV电池充电。
Charger and DC-DC converter for use in plug-in electric vehicles
用于插电式电动运载工具中的充电器和DC-DC转换器
2024-02-27
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / 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 |
CHARGER AND DC-DC CONVERTER FOR IN PLUG-IN ELECTRIC VEHICLES
European Patent Office | 2023
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