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In this paper, a wind energy conversion system interfaced to the grid using a dual inverter is proposed. One of the two inverters in the dual inverter is connected to the rectified output of the wind generator while the other is directly connected to a battery energy storage system (BESS). This approach eliminates the need for an additional dc-dc converter and thus reduces power losses, cost, and...
This paper presents an experimental switched-reluctance generator (SRG) based distributed power system with common DC grid and single-phase AC 220/110V 60Hz outputs. First, a SRG with suitably designed power converter and control scheme is constructed to generate robust DC 48V output. Then it is boosted to establish a 400V common DC grid by a current-fed push-pull (CFPP) DC/DC converter. Well-regulated...
This paper presents a power converter for grid connection of renewable energy sources, consisting of a ZETA converter associated with a bridge inverter operating at low frequency. The Zeta converter, operating in the discontinuous conduction mode (DCM), produces a rectified sinusoidal current waveform synchronized with the electric grid. The full-bridge inverter, connected to the output of the Zeta...
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