ABSTRACT

Optimal operation of power systems requires intensive numerical analysis aimed at studying and improving system stability and control performance. For a specific operating condition, photovoltaic (PV) systems usually have a unique maximum power point. It is noted that some intrinsic characteristics and disturbances on PV systems, such as aging, irradiance intensity and temperature conditions, generally lead to inefficient implementations on maximum power point tracking control. This chapter considers the renewable energy sources as distributed connections to a common bus in a microgrid. To achieve system stability and maintain transient and steady performances in the microgrid with three switched modes, optimization of microgrid using reachable set estimation and finite-time control will be investigated in the framework of the switching system. Renewable energy sources serve as distributed connections to a common bus in a microgrid. To maintain power balances, the power management system decides the operating mode of energy systems based on the measured currents.