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Dead-time effect of dual active bridge (DAB) DC-DC converter is usually out of consideration in traditional optimized strategies, causing the deviation of the theoretical and actual results. In this paper, the current stress model of DAB with dead-time effect is given, and combining the transmission power model, a current-stress-optimized strategy is proposed. Meanwhile, the corresponding control...
This paper gives a detailed analysis about the causes of the voltage distortion caused by dead time in dual active bridge (DAB) DC-DC converter. The zero-crossing point of the equivalent leakage inductor's current is the definitive factor for various voltage distortion phenomena, which is determined by dead time and phase-shift ratios. Based on the switching characterization of DAB in dual-phase-shift...
This paper presents a generic reactance source power converter (abbreviated as X-source converter), which is a generic topology for buck-boost single-stage converter, employs a unique reactance circuit (consists of at least one pair of LC filter) to couple the converter main circuit to the power stage, thus providing unique features that cannot be obtained in the V-source converter and C-source converter...
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