Observability Defense-Constrained Distribution Network Reconfiguration for Cyber-Physical Security Enhancement
Chao Lei, Siqi Bu, Qianggang Wang, Liang Liang
Abstract
The system observability enabled by distribution-level PMUs becomes increasingly crucial for cyber-physical security enhancement. We formulate this system observability as a disjunctive relaxed connected dominating set problem for reconfigurable distribution networks with the least defense cost in theory. For the benefits of system observability, an observability defense-constrained distribution network reconfiguration (DNR) model has been proposed. This DNR model is then converted to a mixed integer second-order conic programming problem, which thus can be solved with commercial solvers in case studies.
Topics & Concepts
ObservabilityControl reconfigurationComputer scienceInteger programmingMathematical optimizationSet (abstract data type)Distribution (mathematics)Distributed computingMathematicsEmbedded systemProgramming languageMathematical analysisApplied mathematicsSmart Grid Security and ResilienceOptimal Power Flow DistributionPower Systems Fault Detection