The embodiment of the invention provides an electric drive system integrating alternating current charging and discharging and an electric vehicle, and relates to the technical field of electric drive systems. In the electric drive system, an electric drive assembly comprises a first power battery, a second power battery, a three-phase inverter circuit and a drive motor, the first power battery and the second power battery are connected in series, one end of the three-phase inverter circuit is connected with the first power battery, and the other end of the three-phase inverter circuit is connected with the second power battery; the driving motor is connected with the three-phase inverter circuit; the charging interface assembly comprises a charging interface, a first relay and a second relay, the charging interface is connected with the driving motor through the first relay, the charging interface is connected between the first power battery and the second power battery through the second relay, and the charging interface is connected with a preset alternating current power supply. According to the electric drive system, the electric drive unit circuit can be reused, the functions of electric drive and alternating current slow charging are achieved at the same time, and the technical effect of reducing the cost of the whole vehicle is achieved.
本申请实施例提供一种集成交流充放电的电驱系统及电动车辆,涉及电力驱动系统技术领域。该电驱系统中,电力驱动组件包括第一动力电池、第二动力电池、三相逆变电路和驱动电机,第一动力电池和第二动力电池串联,三相逆变电路的一端与第一动力电池连接,三相逆变电路的另一端与第二动力电池连接,驱动电机与三相逆变电路连接;充电接口组件包括充电接口、第一继电器和第二继电器,充电接口通过第一继电器连接驱动电机,充电接口通过第二继电器连接于第一动力电池和第二动力电池之间,且充电接口与预设交流电源连接。该电驱系统可以实现复用电力驱动单元电路,同时实现电力驱动和交流慢充的功能,实现降低整车成本的技术效果。
Electric drive system integrating alternating current charging and discharging and electric vehicle
一种集成交流充放电的电驱系统及电动车辆
2023-06-09
Patent
Elektronische Ressource
Chinesisch
IPC: | 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 / 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 / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern |
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