Research on second-order cone relaxation algorithm for multi-time linearization of distribution networks with distributed power sources
To address the issue of degraded power quality in the system caused by the integration of distributed power gen-eration into the distribution network,a system optimization model is proposed.This model aims to analyze and optimize sys-tem voltage and tidal current.It introduces a linearized second-order cone relaxation optimization algorithm tailored for dis-tribution networks with distributed power sources.The model includes power flow analysis of the distribution network con-nected to distributed power generation,leading to the establishment of a distributed distribution network tidal optimization model.The distributed distribution network tidal optimization model is simplified,and a multi-time second-order cone relax-ation optimization algorithm is introduced to address non-convex nonlinearities in tidal analysis,and segmental linearization is applied to handle the non-convex nonlinearity of capacitor banks and on-load regulator transformers.Simulation results demonstrate that the proposed algorithm can reasonably dispatch the output of on-load regulating transformers,capacitor banks and distributed power sources,resulting in reduced network loss and the voltage deviation in the grid.
optimal power flowmixed integer linear programmingsegmented linear programmingmulti-period SOCP al-gorithm
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