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A current-fed three-phase push-pull bidirectional dc-dc converter is proposed with unique features of natural zero current commutation and natural device voltage clamping. The proposed topology is suitable for uninterruptible power supply, storage, renewable energy sources, and interfacing two dc buses of 48- and 380-V dc buses in a dc microgrid. The(More)
Micro-grids with energy storage elements are a reliable solution for the stochastic nature of the renewable energy sources, conventional grids and load fluctuations. Hence, a three-phase current-fed full-bridge dual-active bridge (DAB) bidirectional dc-dc converter with current-fed inverter at Low Voltage Side (LVS) and voltage-fed rectifier at High Voltage(More)
A three-phase current-fed full-bridge dual-active bridge bidirectional dc-dc converter is proposed to integrate 48 and 380 V dc buses or energy storage to dc microgrid. 120° plus secondary-side modulation technique is implemented to achieve natural commutation of low-voltage-side current-fed devices and zero voltage switching turn-on of(More)
A modular bidirectional current-fed three-phase 6-pack inverter is proposed to integrate the low-voltage high-current source, i.e., solar, fuel cells, storage, or low voltage dc grid to interface to ac grid or load. The 3-phase 6-switch or 3-leg module can be employed with dedicated driver board to design and develop the converter for high power(More)
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