首页|Robustness Assessment of Wind Power Generation Considering Rigorous Security Constraints for Power System:A Hybrid RLO-IGDT Approach
Robustness Assessment of Wind Power Generation Considering Rigorous Security Constraints for Power System:A Hybrid RLO-IGDT Approach
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国家科技期刊平台
NETL
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Fossil fuel depletion and environmental pollution problems promote development of renewable energy(RE)glob-ally.With increasing penetration of RE,operation security and economy of power systems(PS)are greatly impacted by fluctuation and intermittence of renewable power.In this paper,information gap decision theory(IGDT)is adapted to handle uncertainty of wind power generation.Based on conventional IGDT method,linear regulation strategy(LRS)and robust linear optimization(RLO)method are integrated to reformulate the model for rigorously considering security constraints.Then a robustness assessment method based on hybrid RLO-IGDT approach is proposed for analyzing robustness and economic performance of PS.Moreover,a risk-averse linearization method is adapted to convert the proposed assessment model into a mixed integer linear programming(MILP)problem for convenient optimization without robustness loss.Finally,results of case studies validate superiority of proposed method in guaranteeing operation security rigorously and effectiveness in assessment of RSR for PS without overestimation.
Hybrid RLO-IGDT approachinformation gap decision theory(IGDT)operation securityrobustness assessmentrobustness security region(RSR)
State Key Laboratory of Advanced Electromagnetic Technology,School of Electrical and Electronic Engineering,Huazhong University of Science and Technology,Wuhan 430073,China
State Grid Jilin Electric Power Company,Changchun 130021,China