Distribution Network Power Restoration under Cyber-physical Concurrent Faults
Aiming at the power restoration problem under the scenario of concurrent faults of cyber-physical systems in distribution networks,this paper analyzes the impact on the distribution automation master station in dealing with the fault localization,isolation and power restoration process,proposes an cyber-physical concurrent fault-associated coupling modeling method for distribution networks,and constructs an cyber-physical concurrent fault-power supply recovery model based on two-phase two-layer optimization for distribution networks,in which the first phase achieves minimum loss of communication links through communication network dynamic routing is used to minimize the loss of communication links,and the second stage is used to reconfigure the distribution network with the objectives of minimizing the loss of power load and minimizing the number of switching operations.After the two-stage two-layer optimization model is converted to a single-layer optimization model using KKT conditions,it is solved using Cplex to derive a feasible solution that satisfies the cyber-physical coupling constraints,thus realizing the orderly recovery of concurrent failures of the cyber-physical system of the distribution network.The validation is carried out through the DCPS-160 node arithmetic example,and the results verify the accuracy and effectiveness of the proposed model.
distribution networkcyber-physical systemconcurrent faultpower restorationcyber physical coupling constraint
万方数据
维普
