Optimization of energy storage configuration to improve the power quality of high penetration PV distribution networkCui Hongfeng 1, Xu Hao1 , YANG Bo2, FU Xiang-yun 3, WANG Chen3,YUE Fu-chang3
With PV access permeability rising, it would bring a challenge to the power quality and stability of the grid. Energy storage is an effective method to solve the problem. Based on the analysis of the mechanism for harmonic and flicker, an energy optimized method is proposed. By the method, the total harmonic distortion (THD) and voltage flicker amplitude are considered as variables. To achieve the best economy, different types of optimal configuration energy storage is discussed. Finally, a calculation is given for a project to optimize the energy storage allocation.