1 The Faculty of Engineering and Science (ENG), Aalborg University, VBN2 Power Electronic Systems, The Faculty of Engineering and Science, Aalborg University, VBN3 Department of Energy Technology, The Faculty of Engineering and Science, Aalborg University, VBN4 Technical University of Crete5 Technical University of Crete
The DC/AC inverters are the key elements in grid-connected PV energy production systems. In this paper, new design optimization techniques focused on transformerless (very high efficiency) PV inverters are proposed. They have been developed based on an analysis of the deficiencies of the current, state-of-the-art PV inverters design technology, which limits the amount of PV energy supplied into the electric grid. The influences of the electric grid regulations and standards and the PV array operational characteristics on the design of grid-connected PV inverters have also been considered. The simulation results verify that the proposed optimization techniques enable the maximization of the PV energy injected into the electric grid by the optimized PV installation.
Proceedings of the 26th Annual Ieee Applied Power Electronics Conference and Exposition (apec 2011), 2011, p. 691-698
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26th Annual IEEE Applied Power Electronics Conference and Exposition, 2011