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电网技术  2015 

考虑电网运行风险的发用电一体化调度方法

DOI: 10.13335/j.1000-3673.pst.2015.09.031, PP. 2578-2584

Keywords: 间歇性,调度,风险,补偿系数,需求侧

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Abstract:

随着分布式能源资源的大量入网,其出力的间歇性、波动性增大了电力系统运行风险,提高了电网调度的难度。为此,提出考虑电网运行风险的发用电一体化调度方法,该调度方案同时考虑经济和风险2个优化目标一方面保证系统运行的可靠性水平,使得系统有能力规避高风险的故障;另一方面优化配置发电侧和用户侧资源,减小时段内的峰谷差,增大分布式能源的消纳能力,降低系统运行费用。在调度模型中提出并引入基于可再生能源出力预测的发电侧补偿系数曲线,以此促进需求侧对于间歇性能源的响应,最大限度地发挥发用电一体化调度的作用。最后,以IEEE-RTS79测试系统为算例,验证了该调度模式的科学性和可实践性。

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