A DC-DC voltage converter for an electric vehicle connects between a battery pack and a DC link having upper and lower link capacitors. When a target voltage on the link is less than twice the battery voltage, the capacitors are charged in series from two interleaved switching legs of the converter simultaneously for part of the time, and charged in series from only one of the switching legs for part of the time. When the target voltage is between 2 and 4 times the battery voltage, the upper capacitor is charged alone from both legs for part of the time, the upper capacitor is charged alone from only one of the legs for part of the time, the lower capacitor is charged alone from both legs for part of the time, and the lower capacitor is charged alone from only one of the legs for part of the time.


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    Titel :

    Interleaved DC-DC converter for electrified vehicles


    Beteiligte:
    GE BAOMING (Autor:in) / CHEN LIHUA (Autor:in) / XU FAN (Autor:in) / YANG SHUITAO (Autor:in)

    Erscheinungsdatum :

    2020-09-15


    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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