含分布式电源的配电网双层分区调压策略

被引:54
作者
郑晓莹
陈政轩
曾琮
机构
[1] 广东工业大学自动化学院
关键词
改进Fast-Newman算法; 双层分区调压策略; 区域电压控制; PSO算法;
D O I
暂无
中图分类号
TM714.2 [电压调整];
学科分类号
080802 [电力系统及其自动化];
摘要
针对高渗透的分布式电源(DG)在配电网络中造成逆功率潮流引起的电压越限问题,提出了一种基于改进Fast-Newman算法的配电网双层分区调压策略。改进的Fast-Newman算法引入了考虑DG接入位置以及无功/有功-电压灵敏度矩阵的改进模块度增量,可将分布式配电网进行更为细致合理的划分。双层分区调压策略首先通过改进的Fast-Newman算法分别针对无功补偿(RPC)与有功削减(APC)对配电网进行分区。而后在分区结果中进一步筛选节点组成优先调节节点集。最后为应对高渗透DG配电网的复杂潮流造成的非线性复杂解空间的问题,使用PSO算法分别计算优先调节节点集中各节点的RPC与APC最佳调度值,以优化DG注入点潮流,实现无功/有功调整的合理组合。所提方法在IEEE33节点以及改进的IEEE123节点上进行案例研究,通过与非分区电压调整模型对比,表明该策略通过调度少量节点的RPC与APC,即可达到全网电压调整的目的,且调整后的节点电压更为平稳。
引用
收藏
页码:90 / 97
页数:8
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