Bi-Level Two-Stage Robust Optimal Scheduling for AC/DC Hybrid Multi-Microgrids


In view of the plurality of AC and DC microgrids connected to the power grid, this paper proposes a bi-level two-stage robust optimal scheduling (BTROS) model for AC/DC hybrid multi-microgrids (HMMs). In this model, the AC/DC HMM system is divided into two interest bodies, called the utility level and supply level, and two-stage robust (also called adaptive robust) optimal scheduling is carried out considering the uncertainties in each level. For the mutual interaction between the two bodies, power constraints and deviation penalties of the interaction lines are introduced in the model to realize bi-level coordinated scheduling and obtain a unified robust dispatch scheme of AC/DC HMMs. The column-and-constraint generation algorithm is used to convert the Min-Max-Min problem of each level into a two-stage mixed-integer linear programming problem, which can be solved quickly and effectively. Case studies verify the rationality and validity of the proposed model and the solving procedure.


Electrical and Computer Engineering


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Keywords and Phrases

Electric Load Management; Electric Power Transmission Networks; Hidden Markov Models; Integer Programming; Markov Processes; Optimization; Renewable Energy Resources; Robustness (control Systems); Uncertainty Analysis; Load Modeling; Micro Grid; Multi Micro-Grids; Optimal Scheduling; Power Interaction; Renewable Energy Source; Robust Optimization; Uncertainty; Scheduling; Bi-Level Scheduling; Microgrids; Multi-Microgrids; Renewable Energy Sources; Robustness; Two-Stage Robust Optimization

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Article - Journal

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