计及超分辨率风电出力不确定性的连续时间鲁棒机组组合

doi:10.19595/j.cnki.1000-6753.tces.L90460

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Abstract With the increasing penetration of wind power in the power system, the intra-period fluctuation of wind power gets more and more violent, which may induce the scarcity of intra-period ramping capacity and threaten the intra-period operational security of the power system. In this paper, the model and solution algorithm of continuous-time modeling based robust unit commitment is proposed considering beyond-the-resolution (BtR) wind power uncertainties, which can fully access the intra-period wind power variation and give the robust solution to the BtR uncertainties. First, the continuous-time robust unit commitment model considering BtR uncertainties is established, and the BtR uncertainty model is analyzed. Second, by the solution space transformation, the optimization problem is shifted from the algebraic space to the function space for tractable computation. The column-and-constraint generation (C&CG) algorithm is adopted to solve the optimization problem in the function space and the solution is then recovered to the algebraic space. Finally, the simulation results validate that BtR uncertainties can be fully considered in the proposed method so as to enhance the robustness of the scheduling solution.

Key words： Wind power uncertainty economic dispatch robust optimization continuous-time modeling beyond-the-resolution

Received: 11 July 2020

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TM71

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	Zhou Bo
	Ai Xiaomeng
	Fang Jiakun
	Yao Wei
	Wen Jinyu

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Zhou Bo,Ai Xiaomeng,Fang Jiakun等. Continuous-Time Modeling Based Robust Unit Commitment Considering Beyond-the-Resolution Wind Power Uncertainty[J]. Transactions of China Electrotechnical Society, 2021, 36(7): 1456-1467.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L90460 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/I7/1456

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