Simulation methods for distribution network cyber-physical systems based on Matlab/Simulink

Abstract This paper proposes a MATLAB/Simulink-based simulation method for a distribution network cyber-physical system (CPS) to enhance risk analysis and dynamic process simulation. The study identifies limitations in existing CPS models, which often focus on large power grids and overlook the roles of control centers, data centers, and terminal device interactions in distribution networks. To address these gaps, the paper introduces a four-layer coupled simulation model comprising the physical layer, interaction layer, terminal layer, and application layer. This model refines the information flow process, enabling the application layer to observe and control the physical layer. The model’s effectiveness is validated using the IEEE 33-bus system, demonstrating its ability to simulate attack risk propagation and cascading failure evolution.