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Implementing Dynamic Network Reconfiguration with Renewables and Considering Future Grid Technologies: A Real Case Study

Dynamic distribution system reconfiguration (DDSR) is the process of dynamically changing the network's topology during the operational periods of the system. This process together with the integration of distributed renewable energy sources (DRES) and other enabling technologies allow a more efficient operation of such systems in technical and economic terms, facilitating a seamless integration of DRES in larger quantities. When performing such an optimization process, the stochastic nature of DRES (both variability and uncertainty) needs to be taken into consideration. In this paper, an improved dynamic system reconfiguration model is presented where the goal is to minimize the total cost in the system while satisfying various technical constraints so as to maintain the reliability and stability of the system at required levels. The computational tool is tested in a real system encompassing the distribution system of Lagoa (in São Miguel Island, Azores), and its effectiveness is properly validated. The numerical results demonstrate great benefits in economic terms, such as reduced losses and improved system reliability.