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电网技术  2015 

促进风电消纳的区省两级电力系统调度模型

DOI: 10.13335/j.1000-3673.pst.2015.07.011, PP. 1833-1838

Keywords: 风电消纳,区省2级调度,联络线功率控制

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Abstract:

由于风电的随机性、波动性以及不可准确预测性,大规模风电并网将会给系统的调度安排以及安全稳定运行带来直接影响,进而造成风电消纳困难的局面。立足于大规模风电接入电网的实际情况,提出了区省2级优化调度模式以实现风能的有效合理利用。该模式通过在区域电网范围内调整常规机组出力和省间交易电量来平衡风电出力的波动,尽可能减少弃风量,从而实现风能的有效利用。在大区级电网层面,建立了考虑联络线功率控制的大区级优化调度模型,以协调与各省级调度的关系。以西北电网为算例进行了模拟分析,结果表明所提方式是可行、有效的,能够有效提高风电的消纳水平。

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