Authentic Microgrid State Estimation
Fei Feng, Peng Zhang, Yifan Zhou
Abstract
An error-resilient state estimation is devised to calculate authentic states for microgrids equipped with hierarchical controls. New contributions include: 1) a state estimation incorporating droop control which helps mitigate estimation errors due to transient disturbance; 2) a secondary-control-empowered microgrid state estimation for leveraging power sharing and voltage regulation among DERs. Case studies demonstrate the robustness, efficiency and excellent convergence performance of the authentic state estimation approach.
Topics & Concepts
MicrogridRobustness (evolution)Voltage droopEstimationControl theory (sociology)Computer scienceAC powerState (computer science)Electric power systemConvergence (economics)VoltageEngineeringControl engineeringControl (management)Power (physics)Voltage regulatorAlgorithmArtificial intelligenceEconomic growthPhysicsChemistrySystems engineeringEconomicsBiochemistryElectrical engineeringQuantum mechanicsGeneMicrogrid Control and OptimizationSmart Grid Energy ManagementPower System Optimization and Stability