A power converter, a control unit, a charging device and a method for transferring power to an EV from a power grid are provided. The power converter includes an isolated DC-DC converter having a first stage converting a DC voltage into a high frequency AC voltage having an amplitude V1, an intermediary stage having a high frequency transformer, a resonant tank which outputs a resonant sinusoidal current scaled by the high frequency transformer, and a second stage, connected to a secondary winding of the high frequency transformer, including a power conversion switch, three diodes, and two or more capacitors, that selectively converts the high frequency AC voltage of amplitude V2 into a DC voltage of amplitude ranging from V2 to 2V2.


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    Title :

    VARIABLE GAIN SOFT SWITCHING POWER CONVERTER


    Contributors:

    Publication date :

    2024-02-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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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