基于二阶锥规划凸松弛的三相交直流混合主动配电网最优潮流

被引：48

作者：

巨云涛

黄炎

张若思

机构：

[1] 中国农业大学信息与电气工程学院

来源：

电工技术学报 | 2021年 / 36卷 / 09期

关键词：

主动配电网; 交直流混合; 二阶锥规划凸松弛; 最优潮流; 三相不平衡;

D O I：

暂无

中图分类号：

TM721.3 [混合输电];

学科分类号：

080802 [电力系统及其自动化];

摘要：

主动配电网最优潮流模型是非凸模型,难以保证优化结果的全局最优性和可靠收敛,需要进行凸松弛以保证模型的可靠求解。该文提出考虑分布式电源、不同接线方式的有载调压器、交直流换流器等三相模型的二阶锥规划凸松弛模型,相比于Distflow模型的凸松弛,该文考虑相间耦合的影响,同时给出了分布式电源、有载调压器等元件的物理特性。采用二阶锥规划求解器求解,对比分析了不同条件下的计算精度以及不同求解器的计算效率。基于IEEE 13节点和IEEE 123节点的数值实验表明,当前优化结果能够较好地满足潮流约束,可作为最终控制结果,也可以作为非凸优化求解器初值以更快得到全局最优解。

引用

页码：1866 / 1875

页数：10

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