Method and device for controlling an electric current generation of a submodule in a photovoltaic system

Abstract

A method for controlling current generation in a photovoltaic system having at least one submodule connected to the photovoltaic system. The method includes an alternating switching of the submodule taking place in a changeover time clock pulse between a switching-on state and a bypass switching state, the submodule being interconnected during the switching-on state of the photovoltaic system and being bridged in the bypass switching state. During the bypass switching state, an overall current strength of the photovoltaic system is measured and a setpoint value ascertained from this is stored temporarily. During the switching-on state, a submodule current strength is measured and compared to the setpoint value, and upon a dropping off of the submodule current strength below the setpoint value, a resetting, taking place independently of the switchover time clock pulse, of the submodule to the bypass switching state is carried out.

Dependencies are inferred from the claim text.