A system for controlling a power signal for zero voltage switching (ZVS) includes a voltage zero crossing detection module to detect a zero voltage condition in response to an inverter voltage from a resonant inverter crossing zero volts, and a current zero crossing detection module to detect a zero current condition in response to an inverter current from the resonant inverter crossing zero amps. The system further includes a phase detect module to detect actual phase data corresponding to an actual phase angle between the inverter voltage and the inverter current based on the zero voltage and zero current condition. The system further includes a comparator to determine a phase difference between a desired phase between the inverter voltage and the inverter current and the actual phase angle. The system further includes a controller to adjust a property of a resonant inverter to reduce the phase difference.


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    Titel :

    Resonant frequency tracking for zero voltage switching


    Beteiligte:

    Erscheinungsdatum :

    2023-10-10


    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 / A61L Verfahren oder Vorrichtungen zum Sterilisieren von Stoffen oder Gegenständen allgemein , METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / H01J Elektrische Entladungsröhren oder Entladungslampen , ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS / H03L Automatisches Steuern oder Regeln, Inbetriebsetzen, Synchronisieren oder Stabilisieren elektronischer Schwingungs- oder Impulserzeuger , AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES / H05B ELECTRIC HEATING , Elektrische Heizung



    RESONANT FREQUENCY TRACKING FOR ZERO VOLTAGE SWITCHING

    LEE YONGDUK / PEARSON MATTHEW ROBERT / KSHIRSAGAR PARAG M | Europäisches Patentamt | 2022

    Freier Zugriff

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    Vakacharla, Venkata R / Rathore, Akshay K / Singh, Rajeev K et al. | IEEE | 2020



    Constant frequency resonant DC/DC converters with zero switching losses

    Jain, P. / Soin, H. / Cardella, M. | IEEE | 1994