This application provides a motor driving apparatus, a motor system, and an electric vehicle, to improve running efficiency of a motor and avoid damaging an inverter. The motor driving apparatus includes a three-level inverter, a motor parameter obtaining circuit, and a control circuit. The three-level inverter is configured to be separately connected to a first power supply and a motor, to invert a direct current provided by the first power supply into an alternating current, and provide the alternating current for the motor; the motor parameter obtaining circuit is configured to be separately coupled to the motor and the control circuit, and is configured to: obtain a motor working condition signal of the motor, and provide the motor working condition signal for the control circuit; and the control circuit is configured to: select a target working mode from a plurality of working modes based on the motor working condition signal, and control the three-level inverter in the target working mode, so that a midpoint voltage of the three-level inverter is less than a first voltage threshold.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    ELECTRIC MOTOR DRIVING APPARATUS, ELECTRIC MOTOR SYSTEM, AND ELECTRIC VEHICLE


    Weitere Titelangaben:

    ELEKTROMOTORANTRIEBSVORRICHTUNG, ELEKTROMOTORSYSTEM UND ELEKTROFAHRZEUG
    APPAREIL D'ENTRAÎNEMENT DE MOTEUR ÉLECTRIQUE, SYSTÈME DE MOTEUR ÉLECTRIQUE ET VÉHICULE ÉLECTRIQUE


    Beteiligte:
    LU CHUNHONG (Autor:in) / TANG JIE (Autor:in)

    Erscheinungsdatum :

    29.05.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    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 / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



    ELECTRIC MOTOR DRIVING APPARATUS, ELECTRIC MOTOR SYSTEM, AND ELECTRIC VEHICLE

    LU CHUNHONG / TANG JIE | Europäisches Patentamt | 2022

    Freier Zugriff

    MOTOR DRIVING APPARATUS, MOTOR SYSTEM, AND ELECTRIC VEHICLE

    LU CHUNHONG / TANG JIE | Europäisches Patentamt | 2024

    Freier Zugriff

    Motor driving apparatus and electric vehicle

    TANG JIE / YANG LIZHOU / YI JIE | Europäisches Patentamt | 2020

    Freier Zugriff

    Motor Driving Apparatus And Electric Vehicle

    TANG JIE / YANG LIZHOU / YI JIE | Europäisches Patentamt | 2018

    Freier Zugriff

    Electric vehicle driving motor cooling system

    NOH SEOUNG KYUN / HAN KI HAK | Europäisches Patentamt | 2025

    Freier Zugriff