چكيده به لاتين
Almost all new power sources such as chargers, inverters, and UPS use power electronic structures. Mobile and laptop chargers, computer power supplies, or other electrical appliances are some of the simplest examples of power electronics applications.
In this thesis, while examining different structures of power electronic converters, a three-port structure is introduced, which is connected to the solar energy producer on one side and feeds a load on the other side. Also, this converter has provided the possibility of charging and discharging an energy storage source in its second input port. The port connected to the battery in this converter is designed bilaterally. This converter is a semi-isolated converter and is collectively designed for the side applications of the transportation industry such as lighting, ventilation, etc. Also, in this thesis, while studying control methods suitable for different applications such as sliding mode control methods, hysteresis control, artificial neural network control, and fuzzy control, a cascade voltage control strategy for dc/dc converter using model predictive control (MPC) We have suggested in the inner circle. The proposed MPC minimizes a cost function at each time step by the recursive horizon method, and the corresponding optimal solution is obtained from a predetermined function without relying on a numerical algorithm. It is shown that MPC causes capacitor voltage and inductor current to converge globally in the presence of input constraints. Also, state constraints can also be considered in the proposed MPC.
Following the conventional cascade voltage control scheme, a proportional-integral (PI) controller is adopted in the outer loop. The experimental results show that the closed-loop performance is superior to the classical cascaded PI control scheme.
