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电网技术  2015 

以减少电网弃风为目标的风电与抽水蓄能协调运行

DOI: 10.13335/j.1000-3673.pst.2015.09.015, PP. 2472-2477

Keywords: 风电,弃风,抽水蓄能,协调运行,混合整数规划

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Abstract:

由于风电出力特性及电力系统运行约束等限制,电网接入大量风电时将会导致大量弃风。对风电与抽水蓄能协调运行以减少电网弃风的方式进行研究,在分析导致电网弃风的主要因素的基础上,充分考虑抽水蓄能的运行特性,以电网弃风最小为优化目标,建立风电和抽水蓄能协调运行的混合整数规划模型。基于实际电力系统的风电出力和负荷数据,在IEEE30节点系统中对风电与抽水蓄能协调运行方式进行模拟。结果表明,所提出的优化模型能有效地模拟风电与抽水蓄能协调运行的过程;风电与抽水蓄能的协调运行方式对减少电网弃风具有显著的作用;对具有一定风电装机容量的电网,存在最优的抽水蓄能容量与之协调运行,使得电网弃风最小。

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