This article proposes an improved interval optimization method based on differential evolution for dynamic economic dispatch of a microgrid. First, the dynamic economic dispatch model applied is a microgrid model considering various distributed generations, energy storage systems, the transaction between the microgrid and power grid, as well as multiple kinds of loads. Both economic and environmental costs are taken into account. Second, an improved interval optimization method based on differential evolution is proposed to solve this non-linear optimization model. The proposed method is improved in the aspects of the branch-and-bound strategy, acceleration tool, and interval estimation method. Finally, a practical dynamic economic dispatch case of a microgrid considering the valve-point effect is studied. A comparison among the proposed method, traditional interval method, differential evolution method, and interior point method is given to verify the efficiency and practicality of the improved interval optimization method.
Improved Interval Optimization Method Based on Differential Evolution for Microgrid Economic Dispatch
Electric power components and systems ; 43 , 16
2015
Aufsatz (Zeitschrift)
Englisch
Multi-objective Differential Evolution for Dynamic Economic Emission Dispatch
Tema Archiv | 2014
|Combined Heat and Power Economic Dispatch by Using Differential Evolution
Online Contents | 2010
|Differential Evolution-based Dynamic Economic Dispatch of Generating Units with Valve-point Effects
Online Contents | 2008
|