Past, present and future of grid connected photovoltaic- and hybrid-power-systems

As a short introduction on the general development and forecast of world market in photovoltaics (PV) are presented. The general classification introduces grid connected, stand alone, large scale and roof-top PV-systems. The core of presentation concentrates on the development and trends of converters for grid connected PV-systems. The novel multi-string converter is introduced representing one of the major trends in PV system technology towards...