چكيده به لاتين
The use of solar pumping systems in remote areas without access to the electricity grid is very common. These systems have no pollution and their maintenance costs are very low. However, solar pumping systems face some challenges and limitations. One of these challenges is the high investment cost of these systems, which reduces their economic justification. Another challenge is optimal and sustainable control of the system. In this regard, this study focuses on improving the control structure, improving efficiency and increasing the economic benefit of solar pumping systems. The system studied in this work consists of PV, induction motor, pump and battery. First, a battery capacity optimization model is formulated with the aim of minimizing investment cost and minimizing energy shortages. In the next step proposed a new configuration for a solar pumping system that uses a single DC/DC converter instead of two converters to control the battery and implement the maximum power point tracking algorithm. In addition, an optimal control method has been used to control the induction motor, by online optimizing the reference flux, reducing motor losses and improving the efficiency of the solar pumping system. The efficiency of the solar pumping system has been evaluated using simulation. The simulation results prove that the designed solar pumping system improves reliability, improves starting torque, increases system efficiency and fine tunes energy.
