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A DC-DC converter for high-power battery chargers with the power-capacity over 6.6-kW for electric vehicle (EV) is proposed in this paper. Due to a new architecture, the proposed converter achieves the reduction of conduction loss at the primary-side by as much as 50% and has many benefits such as reduced circulating current, less duty-cycle loss, and lower secondary-voltage stress. In addition, its...
An electric vehicle (EV) energy management system concept is proposed in this work. Its goal is to prevent power outage in residences and delivery/receive energy to/from the utility grid, in case of local grid disturbances. Unlike the vehicle-to-home (V2H) systems known in the literature, the power system does not require structural changes in a typical home EV battery charging system. Such system...
This paper presents the initial investigations in selecting the topology of the power electronic interface for an energy storage system for power levelling applications based on a novel storage device, the supercapattery. The particularities of the supercapattery device are summarized leading to a multistage power converter structure. A review of the two stage DC/DC converter structure to interface...
This paper presents an active power filter reconfigurable into an auxiliary/uninterruptible power supply (AUPS). This work consists in introducing a storage element of energy to mitigate the failures on the electrical system (sags, brief cut...). The purpose is to maintain the functioning of the load during the persistence of failures or, eventually, the necessary time for the starting up of another...
A combined grid-connection/power-factor-correction technique for a photovoltaic (PV) system is proposed in this letter. A maximum power point tracking dc/dc converter served as a charger for the battery bank. A bidirectional inverter is applied as a generator/discharger during daytime, supplying power to the load. The inverter can also be used as a charger to maintain the minimum required voltage...
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