چكيده به لاتين
In recent years, the use of microgrids has increased and has become an important part of power systems. For this reason, the importance of different criteria such as power quality in microgrids has also increased and needs further study. Therefore, this dissertation focuses on the power quality of microgrids. In line with this work, it has been tried to improve the power quality of microgrids with economical compensators by introducing the appropriate control structure and method for the optimal use of compensators. For this purpose, two different compensators, including the adaptive filter compensator (ASFC) and the distribution static synchronous compensator (DSTATCOM), have been considered and their effectiveness in improving the quality of the microgrid has been studied. In order to optimally use these compensators, a control strategy has been designed for them, which is based on the proportional-integral-derivative (PID) controller. PID controller parameters of compensators are designed optimally using meta-heuristic algorithm. For this purpose, an optimization problem has been designed and solved using the Gray Wolf Optimizer (GWO) algorithm. The efficiency of the aforementioned compensators has been evaluated by applying them to two different microgrids, and considering different scenarios, the performance of the adaptive filter compensator and the distribution static synchronous compensator have been compared. Also, the effect of the installation location of compensators on the improvement of microgrid power quality has been studied.
INDEX TERMS: Microgrids (MGs), adaptive switched filter capacitor (ASFC), distribution synchronous static compensator (D-STATCOM), power quality (PQ).
