基于深度优先的前推回代算法配电网潮流分析
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摘要
当大量分布式电源并入配电网后,配电网的结构改变,原始节点编号或支路编号也可能改变。通过对各类常见分布式电源的工作原理进行分析,建立数学模型。以IEEE33节点为例,采用一种改进的前推回代计算方法,在不需要对网络重新编号的情况下,便可以对含分布式电源的配电网进行潮流计算,并分析不同类型、不同容量及不同安装位置的分布式电源对配电网产生的不同影响。计算结果表明,该算法能够有效处理含分布式电源的配电网络,并且相对于随意编号的网络也能够进行高效分析,使计算更加灵活。
When a large number of distributed generations are incorporated into the distribution network,the structure of the distribution network changes,and the original node number or branch number may also change.Mathematical models are built by the analysis of the working principles of various common distributed generations.Taking the IEEE-33 node as an example,an improved back/forward sweep algorithm can be used to calculate the power flow of a distribution network with distributed generations without renumbering the network. Moreover,the different impacts of distributed generations of different types,different capacities and different installation locations on the distribution network can be analyzed.The calculation results show that the proposed algorithm can well handle the distribution network with distributed generations,and it can be analyzed well with the randomly numbered network,which makes the calculation more flexible.
When a large number of distributed generations are incorporated into the distribution network,the structure of the distribution network changes,and the original node number or branch number may also change.Mathematical models are built by the analysis of the working principles of various common distributed generations.Taking the IEEE-33 node as an example,an improved back/forward sweep algorithm can be used to calculate the power flow of a distribution network with distributed generations without renumbering the network. Moreover,the different impacts of distributed generations of different types,different capacities and different installation locations on the distribution network can be analyzed.The calculation results show that the proposed algorithm can well handle the distribution network with distributed generations,and it can be analyzed well with the randomly numbered network,which makes the calculation more flexible.
引文
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[4]张丽虹.基于分层前推回代法的配电网潮流计算研究[J].新型工业化,2018,8(5):19-27.
[5]刘会家,李奔,廖小兵,等.含分布式电源的配电网快速前推回代算法[J].水电能源科学,2016,34(6):213-216,212.
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[7]ABUR A,SINGH H,LIU H,et al.Three phase power flow for distribution systems with dispersed generation[C]∥14th PSCC.sevilla:[s.n.],2002:1-7.
[8]CHEN T,CHEN M,INOUE T,et al.Three-phase cogenerator and transformer models for distribution system analysis[J].IEEE Transactions on Power Delivery,1991,6(4):1671-1681.
[9]李欣然,李龙桂,童莹,等.适用于多电源配电网潮流计算的前推回代方法[J].电力系统及其自动化学报,2017,29(12):121-125.
[10]章楠凯.分布式电源接入对配电网的影响[J].价值工程,2018,37(36):223-224.
[11]顾辰方,王赛一,华月申,等.含分布式电源的配电网安全可靠性研究[J].电力与能源,2017,38(6):740-745.
[12]韩晓沛.论分布式光伏并网模式的选择[J].技术与市场,2018,25(11):196-197.
[13]朱锐答.浅谈风力发电及其技术发展[J].科学技术创新,2017(34):173-174.
[14]YOSHIAKI A.Efforts of the ministry of the environment concerning environmental impact assessment of wind power plants[J].Japan Society for Impact Assessment,2017,15(2):2-7.
[15]谢哲.现阶段我国微型燃气轮机发展与应用推广[J].科技与创新,2018(8):160-161.
[16]张剑,袁晓冬.基于深度搜索的配电网前推回代潮流计算方法[J].电气应用,2015,34(2):16-19,44.
[17]殷豪,李德强,孟安波,等.考虑分布式发电供电概率的配电网重构[J].电网与清洁能源,2017,33(9):113-118,123.
[18]郭玉天.含分布式电源的配电网重构研究[D].保定:华北电力大学,2013:51-53.