This application provides a powertrain, a charging control method, and an electric vehicle. The powertrain is disposed between a direct current power supply and a power battery, and includes a motor control unit and a motor. The motor control unit includes three bridge arms and a controller. A first end of the direct current power supply is coupled to one end of each of the three bridge arms and a first end of the power battery. A second end of the power battery is coupled to the other end of each bridge arm. A midpoint of each bridge arm is coupled to one end of a motor winding corresponding to each bridge arm. The other end of each of the three motor windings is coupled to a second end of the direct current power supply. The three bridge arms include a first bridge arm and a second bridge arm. The first bridge arm is turned on or off based on a first PWM signal, and the second bridge arm is turned on or off based on a second PWM signal. The first PWM signal and the second PWM signal are interleaved. When this application is implemented, it can be ensured that heat generated by magnetic steel in the motor falls within a safe range, and a ripple of an output current of the powertrain is reduced.
POWERTRAIN, CHARGING CONTROL METHOD, AND ELECTRIC VEHICLE
ANTRIEBSSTRANG, LADESTEUERUNGSVERFAHREN UND ELEKTROFAHRZEUG
GROUPE MOTOPROPULSEUR, PROCÉDÉ DE COMMANDE DE CHARGE ET VÉHICULE ÉLECTRIQUE
2024-01-17
Patent
Electronic Resource
English
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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