Modeling and Control of Grid Connected Photovoltaic System Using Sliding Mode Control

Solar PV systems are gaining attraction for energy generation in these days due to its reducing cost and efficiency. The proposed system consists of two main controllers: the DC/DC boost converter to track the maximum power from the PV panels using an application of sliding mode control because it is fast and unconditionally stable and the grid-tied threephase inverter to control the power active and reactive for achieved the unit power factor in connection point and synchronize a sinusoidal current output with a voltage grid with regulated DC bus voltage. Simulation results are provided to demonstrate the effectiveness of the proposed design and robustness under different operating conditions such as changes in atmospheric conditions.