This paper reviews the status in industry and academia regarding configurations, topologies, controls, and grid connections in grid-tied and micro-grid PV inverter applications. The paper will discuss the major technical needs to address problems in bringing cost down, increasing efficiency and improving reliability/availability. The paper foresees that new grid interconnection features will have to be integrated more into the inverters, along with the wide-spreading use of distributed generations
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Yuan et al. (2006) studied this question.