分布式电源戴维南等效及并网对系统电压影响

被引:7
作者
马超
李春兰
陈颖颖
张亚飞
机构
[1] 新疆农业大学机械交通学院
关键词
分布式电源; PQ分解法; 戴维南模型; 光伏电源; 风力发电机;
D O I
10.13941/j.cnki.21-1469/tk.2014.04.009
中图分类号
TM714.2 [电压调整];
学科分类号
080802 ;
摘要
针对分布式电源DG接入配电网将影响系统电压的问题,提出了DG的戴维南等效模型接入配电网方法。通过对风力发电机及光伏电源工作原理的研究,利用戴维南定理求取分布式电源在潮流计算中的模型,并接入配电网,采用PQ分解法计算含DG的配电网潮流,分析其对系统电压稳定性的影响。计算结果表明:当配电网系统接入分布式电源时,系统的电压会增加,增加的大小与接入节点的位置、DG的容量和类型有关。
引用
收藏
页码:424 / 428
页数:5
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