Dead time influence on operating modes of transistor resonant inverter with pulse frequency modulation (PFM)
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2019-12-01
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Abstract
This study explores the impact of dead-time on the transistor resonant inverter operating modes depending on the ratio of the transistor switching frequency and the resonant frequency of the series-resonance circuit in the diagonal of the transistor bridge. On the basis of theoretical data and experimental results, a dead-time limitation relation has been offered-besides for a minimum value but for a maximum value. This provides extension of the operating mode range in zero voltage switching (ZVS).