Scheduling of Wind Farms for Optimal Frequency Response and Energy Recovery

被引:33
作者
De Paola, Antonio [1 ]
Angeli, David [1 ]
Strbac, Goran [1 ]
机构
[1] Imperial Coll London, Dept Elect & Elect Engn, London SW7 2AZ, England
基金
英国工程与自然科学研究理事会;
关键词
Frequency control; inertial response; monotone systems; optimal scheduling; wind turbines;
D O I
10.1109/TCST.2016.2514839
中图分类号
TP [自动化技术、计算机技术];
学科分类号
080201 [机械制造及其自动化];
摘要
This paper deals with control of variable speed wind turbines, which provide frequency support through temporary overproduction. In particular, it determines the optimal profile of power extraction among multiple generators in order to minimize the total loss of efficiency, while allowing for a prescribed increase in generation. Starting with the simplifying assumption of unconstrained generated/supplied power for the single turbine, the scheduling is characterized as the solution of an optimal control problem. On the basis of this result, a heuristic control strategy is proposed for the case of turbines with limited power output, investigating under which conditions this choice achieves optimality. Using a similar approach, the problem of energy recovery is also considered, calculating the optimal power profiles that bring back the turbines to their working point of maximum efficiency after having provided frequency response.
引用
收藏
页码:1764 / 1778
页数:15
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