考虑时变备用需求的含大规模风电电力系统机组组合滚动优化

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Abstract The fluctuation and unpredictability of wind power bring difficulties to power system security and economic dispatching. The unit combination of power system including wind power needs to arrange thermal power to reserve sufficient rotating reseve capacity to reduce the impact of wind power fluctuation and prediction error on power system. In this paper, according to the strong time-varying characteristics of wind power prediction error, a rolling optimization model of unit combination in power system with large-scale wind power considering time-varying standby demand is proposed. The model fully considers the time-varying characteristics of wind power prediction error and optimizes the rolling operation scheme of system unit combination. The example analysis proves the effectiveness and feasibility of the model. The analysis shows that the model can meet the time-varying standby demand of the system and ensure the operation safety and economy of the system at different time scales.

Key words： wind power uncertainty time-varying characteristics rolling optimization linear programming

Received: 15 April 2021

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	Articles by authors
	GUI Qianjin
	HUANG Xiangqian
	MAI Li
	XU Ruixiang

Cite this article:

GUI Qianjin,HUANG Xiangqian,MAI Li等. Unit commitment rolling optimization of power system with a large-scale wind farm considering time-varying reserve requirement[J]. Electrical Engineering, 2021, 22(10): 34-42.

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http://dqjs.cesmedia.cn/EN/Y2021/V22/I10/34

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