张羽;李咸善;

• 1:湖北省新能源微电网协同创新中心(三峡大学)

摘要(Abstract)：

针对微电网由并网转孤岛运行时自愈控制过程中的电能质量、经济性、负荷支撑和快速响应等多方面的需求,考虑负荷、分布式电源的随机性特点,以微电网频率控制为主线,提出了基于频率调整的多目标优化自愈控制策略。该策略中,将微电网由并网转孤岛运行的优化自愈控制分为2个主要阶段:第1阶段为一次和二次调频阶段,一次调频通过分布式电源的下垂控制实现,在二次调频中使用了按成本大小依次投退分布式电源的优化控制策略,实现微电网功率平衡及经济运行下的频率、功率稳定;第2阶段为三次调频阶段,以经济运行和最大负荷支撑为目标,综合考虑负荷、分布式电源的随机性,引进机会约束规划算法将不确定量转化为确定量,实现微电网最大负荷支撑下的经济运行。

关键词(KeyWords)： 微电网;调频控制;多目标优化;自愈控制

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51277110)~~

作者(Author): 张羽;李咸善;

Email:

DOI: 10.13335/j.1000-3673.pst.2016.1109

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