计及短路比约束的新能源场站布点及网架协调规划方法OA北大核心CSTPCD

For receiving-end power grids with high proportions of new energy stations,the dynamic response characteristics of direct current(DC)and new energy are increasingly interlinked.The configuration of new energy stations is closely related to the voltage support strength of the grid,raising the risks to the system's safe and stable operation.To address this issue,a novel method for the coordinated planning of new energy station siting and grid network is proposed,incorporating the multi-infeed short circuit ratio(MISCR)and multiple renewable energy station short circuit ratio(MRSCR).First,a research framework is developed that considers the uncertainty of new energy output and the short circuit ratio(SCR)index.The K-Means clustering method is used to identify typical scenarios.An expanded expression for MRSCR is derived by analogy to the MISCR derivation,accounting for variations due to different factors.A two-level model is then created for the coordinated planning of new energy stations and grid expansion,incorporating SCR constraints.The Benders decomposition algorithm is applied to iteratively solve the model.Simulations and tests are performed on a modified IEEE-39 bus system using the PSD-BPA platform.The results show that the proposed method simultaneously meets the requirements for both MISCR and MRSCR,reduces the risks associated with new energy stations disconnecting from the grid,and moderately enhances the voltage support strength of the receiving-end power grid.