METHOD AND DEVICE FOR DETECTING A MAXIMUM SYSTEM OUTPUT OF A PHOTOVOLTAIC SYSTEM

A method for determining a system power, which is maximally possible at a point in time, of a photovoltaic system, comprising a plurality of photovoltaic generators, wherein the photovoltaic system is not operated at the maximally possible system power at the point in time, and wherein at least some of the photovoltaic generators of the plurality of photovoltaic generators are operated at different operating points at the point in time, is disclosed. The method and associated apparatus includes defining a mapping between the different operating points of the individual photovoltaic generators and virtual operating points of a standard generator, determining virtual operating points of a standard generator corresponding to the different operating points of the individual photovoltaic generators based on the mapping, determining a characteristic curve of the standard generator from the virtual operating points of the standard generator, determining a maximum of the characteristic curve, and determining the maximally possible system power at the point in time from the maximum of the characteristic curve of the standard generator.