Optimal placement and sizing of BESS in RES integrated distribution systems

This article describes a method to optimally allocate and size Battery Energy Storage System (BESS) to mitigate the costs incurred due to voltage deviation and power losses in a Renewable Energy Sources (RES) integrated Distribution Network. The optimum placement and sizing of BESS in RES connected distribution network is calculated by using a novel metaheuristic and nature inspired method called water cycle algorithm (WCA). The WCA influenced by the process of water sequence and the actions of rivers and their flows on the way to sea. Results are displayed for the application of proposed WCA optimization technique on IEEE 33 bus distribution system and IEEE 43 bus distribution network. Consequently the results come up with a considerable reduction in voltage deviations, power losses which were obtained with the installation of BESS units in a Distribution system using WCA. Besides, the proposed technique achieved the good results with less computational time. The results obtained from WCA are validated with GA, PSO and GSA. The outcomes disclose the efficacy and dominance of the WCA over GA, PSO and GSA.