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Aiming at the problem of frequency stability of contactless power transmission system, a self-oscillating inductive coupled power transfer system suiting for parallel resonance is proposed. The switching frequency is automatically tracked through designing the start-up circuit to monitor the zero-crossing of the resonant network voltage and taking the zero-crossing as the condition to drive switches...
Aiming at the complicated control problem of the existing inductively coupled power transfer system, a self-oscillating control method for the push-pull resonant converter with parallel-series compensation is proposed. The necessity of designing the start-up circuit is explained by illustrating the principle of self-oscillating control. Based on the analysis of the energy transfer mechanism of the...
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