Optimum Phase Shift in the Self-Oscillating Loop for Piezoelectric-Transformer-Based Power Converters

A new method is implemented in designing of self-oscillating loop for driving piezoelectric transformers (PT). The implemented method is based on combining both analog and digital control systems. Digitally controlled time delay through the self-oscillating loop results in very precise frequency con...

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Veröffentlicht in:	IEEE transactions on power electronics 2018-09, Vol.33 (9), p.8101-8109
Hauptverfasser:	Ekhtiari, Marzieh, Zsurzsan, Tiberiu-Gabriel, Andersen, Michael A. E., Zhang, Zhe
Format:	Artikel
Sprache:	eng
Schlagworte:	Circuit design Circuit faults Delay Delay circuits Delay effects Delay lines Digital to analog conversion Digital to analog converters Frequency control Optimum delay line Oscillators Phase shift piezoelectric transformer (PT) Piezoelectricity Power converters Resonant frequency self-oscillating loop switch-mode power supply (SMPS) Switches Time lag Transformers zero-voltage switching (ZVS)
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