检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:苏向敬 郭隆海 符杨 米阳 田书欣 SU Xiangjing;GUO Longhai;FU Yang;MI Yang;TIAN Shuxin(School of Electrical Engineering,Shanghai University of Electric Power,Shanghai 200090,China)
出 处:《电力自动化设备》2020年第10期99-106,共8页Electric Power Automation Equipment
基 金:国家重点研发计划项目(2017YFB0902800);上海市浦江人才计划项目(17PJ1403000)。
摘 要:基于分布式电源下垂控制、负荷静态特性和三相不平衡网络模型,提出了一种三相不平衡孤岛微电网的直接潮流算法。首先基于配电网直接潮流算法,并计及分布式电源下垂控制和负荷静态特性的影响,推导建立了三相不平衡孤岛微电网直接潮流算法的计算模型。为了求解所提直接潮流算法的计算模型,提出了一种两层潮流迭代法,其中内层潮流迭代法用于求解除虚拟节点外的三相不平衡孤岛微电网的潮流计算,外层潮流迭代法用于更新虚拟节点电压和系统角频率。最后分别基于澳大利亚真实网络和25节点典型微电网开展多场景仿真分析,并将其与牛顿信赖域方法进行对比分析,仿真及对比结果表明所提算法能够快速准确地反映微电网的特点以及真实运行状态,并能够解决三相不平衡孤岛微电网的潮流计算问题。Based on DG(Distributed power Generation) droop control,load static characteristics and threephase unbalanced network model,a direct power flow algorithm for three-phase unbalanced island microgrid is proposed. Firstly,based on the direct power flow algorithm of distribution network,considering the influence of DG droop control and load static characteristics,a calculation model of direct power flow algorithm for three-phase unbalanced island microgrid is derived. In order to solve the calculation model of the proposed direct power flow algorithm,a two-layer power flow iteration method is proposed. The inner power flow iteration method is used to solve the power flow calculation of the three-phase unbalanced island microgrid beside the virtual node,and the outer power flow iteration method is used to update the voltage and system angular frequency of the virtual node. Finally,multi scenario simulation analysis is carried out based on Australian real network and 25-bus typical microgrid respectively,and compared with Newton trust region method. The simulative and comparison results show that the proposed algorithm can quickly and accurately reflect the characteristics and real operation state of microgrid,and can solve the power flow calculation problem of three-phase unbalanced island microgrid.
关 键 词:直接潮流算法 三相不平衡网络 孤岛微电网 下垂控制 分布式电源
分 类 号:TM74[电气工程—电力系统及自动化]
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.63