The company develops, manufactures and sells string and central inverters for grid-connected solar power systems, accessories, and plant monitoring solutions. Speziell lassen sich so günstige PV Module, welche für netzgekoppelte Anlagen verwendet werden, auch autark einsetzen. Grid-connected PV systems enable consumers to contribute unused or excess electricity to the utility grid while using less power from the grid. What are grid-connected PV inverter topologies? In general,on the basis of transformer,the grid-connected PV inverter topologies are categorized into two. Google's service, offered free of charge, instantly translates words, phrases, and web pages between English and over 100 other languages. ] failure, the red LED starts flashing, and the reason for the failure is shown here.