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This paper proposes a design scheme for grid-connected Li-ion battery power recovery system which is utilized for battery formation during the production process of Li-ion battery. The proposed scheme based on a compound dc-dc converter with cascade structure and a three-phase grid-connected inverter with LCL filter is able to interface between low dc voltage of batteries and ac grid. The system is...
Isolated full-bridge topologies are used in some industrial applications due to its characteristic of cost-effective and high power density. However, the transformer used for isolation in such topologies can be easily saturated. In this paper, a control algorithm to suppress flux density bias in the transformer is proposed. The algorithm can be easily implemented into a low cost DSP. Details of the...
This paper focus on the most important aspects of the bi-directional DC-DC converter in the hybrid electric vehicle(HEV) for the project applications.The different operating modes of converter are introduced under all HEV's work condition.Based on summarization, the demerits including low efficiency at light load and the uncontrolled discontinuous current when charging for the battery are derivated...
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