Abstract
Abstract The rapid development of renewable energy sources, such as solar cells, is creating major challenges for the reliable and economical operation of distribution networks. This paper proposes an optimal PV storage system configuration method that considers the life cycle cost of energy storage devices, establishes a multi-objective optimization model for PV storage system configuration to minimize overall system cost and selection factor, and achieves optimal system power configuration by solving the model using improved NSGA-III optimization algorithm. To compare and analyse optimization results, a regional PV storage system was developed as an example, and results show that when using an improved NSGA-III optimization algorithm to solve the PV storage system model and optimize system power configuration, compared with PV storage system using PSO algorithm, the total economic cost of the system is reduced by 10.4% and can be realized.
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