SYNCHRONIZATION METHOD AND SIMULATION PLATFORM FOR CPS CO-SIMULATION OF LARGE-SCALE DISTRIBUTED PHOTOVOLTAIC GRID-CONNECTED SYSTEM

Yang Zhichun; Hu Wei; Yang Fan; Liu Zengji; Dai Jianfeng

doi:10.19912/j.0254-0096.tynxb.2022-1762

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (3) : 301-309. DOI: 10.19912/j.0254-0096.tynxb.2022-1762

SYNCHRONIZATION METHOD AND SIMULATION PLATFORM FOR CPS CO-SIMULATION OF LARGE-SCALE DISTRIBUTED PHOTOVOLTAIC GRID-CONNECTED SYSTEM

Yang Zhichun¹, Hu Wei¹, Yang Fan¹, Liu Zengji², Dai Jianfeng³

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Abstract

This paper addresses the co-simulation challenges of large-scale distributed photovoltaic （PV） grid-connected systems in the context of cyber-physical systems （CPS）. A state-caching-based synchronization method is proposed, enabling precise synchronization between continuous system simulation and discrete event simulation. By incorporating state caching and a simulation rollback mechanism, this method achieves a balance between simulation accuracy and efficiency. Based on the proposed synchronization strategy, a co-simulation platform is constructed by integrating Matlab and OPNET. Through the design of boundary nodes, the mapping between power system nodes and communication nodes is effectively implemented. Simulation results validate the functionality of the platform and confirm the accuracy of the computations. Furthermore, comparative analyses demonstrate the platform’s superior computational efficiency compared to other co-simulation platforms.

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distribution networks / PV power / cyber physical system / co-simulation / synchronization method

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Yang Zhichun, Hu Wei, Yang Fan, Liu Zengji, Dai Jianfeng. SYNCHRONIZATION METHOD AND SIMULATION PLATFORM FOR CPS CO-SIMULATION OF LARGE-SCALE DISTRIBUTED PHOTOVOLTAIC GRID-CONNECTED SYSTEM[J]. Acta Energiae Solaris Sinica. 2025, 46(3): 301-309 https://doi.org/10.19912/j.0254-0096.tynxb.2022-1762

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