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Under wide-range variations in output current and voltage, dual-active-bridge (DAB) converter can operate with increased conduction and switching loss. A variable frequency-based power modulation scheme for an LC-type series resonant DAB converter is presented to achieve minimum-tank-current operation along with full-range soft switching. The proposed minimum-tank-current operation establishes an...
This paper proposes a novel modulation strategy for a phase controlled Capacitor-Inductor-Capacitor (CLC) Resonant Dual Active Bridge (RDAB). The proposed modulation strategy improves the soft turn-on, Zero-Current-Switching (ZCS) and Zero-Voltage-Switching (ZVS) range of the converter while only minimally increasing the required reactive currents in the ac link. A mathematical analysis of the proposed...
The paper presents a simulation study of a space vector modulation inverter that supplies an alternating current motor drive with low switching losses. A new technique of the reduced number of switchings within the modulating interval is proposed. Simulation results are based on the theoretical explanation. The benefits of the new discontinuous space vector modulation algorithms upon the six-step...
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