Journal
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS
Volume 75, Issue -, Pages 328-336Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijepes.2015.09.012
Keywords
Reconfiguration; Unit commitment; Micro-grid; Uncertainty; Wind power generation
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A stochastic model for day-ahead Micro-Grid (MG) management is proposed in this paper. The presented model uses probabilistic reconfiguration and Unit Commitment (UC) simultaneously to achieve the optimal set points of the MG's units besides the MG optimal topology for day-ahead power market. The proposed operation method is employed to maximize MG's benefit considering load demand and wind power generation uncertainty. MG's day-ahead benefit is considered as the Objective Function (OF) and Particle Swarm Optimization (PSO) algorithm is used to solve the problem. For modeling uncertainties, some scenarios are generated according to Monte Carlo Simulation (MCS), and MG optimal operation is analyzed under these scenarios. The case study is a typical 10-bus MG, including Wind Turbine (WT), battery, Micro-Turbines (MTs), vital and non-vital loads. This MG is connected to the upstream network in one bus. Finally, the optimal set points of dispatchable units and best topology of MG are determined by scenario aggregation, and these amounts are proposed for the day-ahead operation. In fact, the proposed model is able to minimize the undesirable impact of uncertainties on MG's benefit by creating different scenarios. (C) 2015 Elsevier Ltd. All rights reserved.
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