Optimal battery placement in photovoltaic based distributed generation using binary firefly algorithm for voltage rise mitigation

This paper presents the application of binary firefly algorithm (BFA) in obtaining the optimal location of battery energy storage systems (BESS) in photovoltaic generation integrated radial distribution network in order to mitigate the voltage rise problem. The optimization process aims to obtain the optimal location by minimizing the voltage deviation of the PVDG bus. A BESS placement (BP) vector is used in deciding the location of BESS in each optimization and the optimization process is repeated in order to obtain the optimal BESS location. The effectiveness of the proposed method is validated by applying the algorithm to the 69-bus distribution system and the result shows that BFA is efficient in obtaining the optimal placement of BESS.