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当前位置: 首页 > 文章 > 含分布式电源的弱环配电网潮流计算 山东农业大学学报(自然科学版) 2018 (1) 35-39
Position: Home > Articles > Power Flow Calculation of Weak Ring Distribution Power Network with Distributed Generation Journal of Shandong Agricultural University(Natural Science Edition) 2018 (1) 35-39

含分布式电源的弱环配电网潮流计算

作  者：
李龙;苏宏升
单  位：
兰州交通大学自动化与电气工程学院
关键词：
分布式电源;弱环配电网;潮流计算
摘  要：
在考虑了恒功率、恒电流、恒阻抗负荷电压静态特性的情况下,本文提出了一种能处理各种分布式电源和弱环网的潮流计算方法。该方法通过无功分摊原理确定无功初值,采用补偿装置进行功率修正,基于叠加法将弱环网在合环点处分解为纯辐射状网络和纯环状网络,建立解环节点电压差矩阵和环路阻抗矩阵,得到环路电流,把原有的基于两层迭代的叠加法简化为一层迭代,减少了计算次数,节省了计算时间。经IEEE33配电系统中验证,该算法迭代次数少,收敛时间短,收敛性强。
译  名：
Power Flow Calculation of Weak Ring Distribution Power Network with Distributed Generation
作  者：
LI Long;SU Hong-sheng;School of Automation and Electrical Engineering/Lanzhou Jiaotong University;
关键词：
Distributed generation;;weak ring distribution network;;power flow calculation
摘  要：
Considering the static characteristics of constant power,constant current and constant impedance load and voltage,this paper presents a power flow calculation method to calculate all kind of distributed power and weak ring networks.The initial value of reactive power is determined by the principle of reactive power allocation,the compensation device is used for power correction.Based on the superposition method,the weak ring network is decomposed into a pure radiated network and a pure ring network at the ring closing point,the link voltage difference matrix and loop impedance matrix are established to get the loop current.The original superposition method based on two layer iteration is simplified as one layer of iteration,which reduces the calculation times and saves the time of calculation.The original method based on two-layer iteration is simplified into one iteration,which reduces the computation time and saves the computing time.In the IEEE33 distribution system,the verification results show that the algorithm has fewer iterations,shorter convergence time and stronger convergence.

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