电气技术  2018, Vol. 19 Issue (7): 15-20    DOI:
研究与开发 |
基于随机潮流的配电网最大光伏接入能力与影响分析
刘磊1, 林金福2, 刘夫勇2
1. 山东莱芜市标准经济质量强市办公室,山东 莱芜 271100;
2. 山东莱芜科泰电力科技有限公司,山东 莱芜 271100
Analysis of maximum photovoltaic integrated capacity and its influences on distribution networks based on probabilistic load flow
Liu Lei1, Lin Jinfu2, Liu Fuyong2
1. Standard Economic Quality Office, Laiwu, Shandong 271100;
2. Laiwu Ketai Electric Power Technology Co., Ltd, Laiwu, Shandong 271100
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摘要 本文结合蒙特卡洛模拟和功率修正的配电网前推回代潮流方法,建立光伏发电系统随机模型和负荷随机模型,提出了含有光伏发电系统的配电网随机潮流计算方法。应用所提出的随机潮流方法,针对典型模式配电系统和IEEE-33节点配电系统从节点电压和线路损耗两个方面研究了光伏发电系统对配电网的影响。仿真结果表明:光伏发电系统的渗透率在一定范围内,光伏发电系统并网对于配电网有积极的作用,能够提高节点电压并降低线损;当光伏电源渗透率过大时会出现逆向潮流现象,将使节点电压高于允许值或引起线损增加;进一步本文还根据实际数据结果给出了适宜的光伏发电接入渗透率范围。
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刘磊
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关键词 光伏发电系统配电网随机潮流前推回代法蒙特卡洛模拟    
Abstract:Based on Monte Carlo simulation and power correction of distribution networks power flow method, this paper establishes photovoltaic power generation system stochastic model and load stochastic model, then puts forward probabilistic load flow calculation method for distribution networks with photovoltaic power system. Application of the proposed probabilistic load flow method, using the IEEE-33 node distribution system and typical pattern distribution system, this paper researches on the photovoltaic power generation system’s impact on distribution networks from line loss and node voltage. Simulation results show that in a certain range of permeability of photovoltaic power system, photovoltaic power system have a positive effect on distribution network, which can enhance the node voltage and decrease the line loss. However, when the permeability is excessive the reverse power flow will occur, making the node voltages above the allowable value and increasing the line loss. Furthermore, according to the experimental data the appropriate permeability range will be given.
Key wordsphotovoltaic power generation system    distribution networks    probabilistic load flow    backward forward sweep load flow method    monte carlo simulation   
收稿日期: 2018-01-11      出版日期: 2018-07-17
作者简介: 刘 磊(1984-),男,山东省淄博市人,大学本科,主要从事电气自动化和标准经济方面的研究工作。
引用本文:   
刘磊, 林金福, 刘夫勇. 基于随机潮流的配电网最大光伏接入能力与影响分析[J]. 电气技术, 2018, 19(7): 15-20. Liu Lei, Lin Jinfu, Liu Fuyong. Analysis of maximum photovoltaic integrated capacity and its influences on distribution networks based on probabilistic load flow. Electrical Engineering, 2018, 19(7): 15-20.
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https://dqjs.cesmedia.cn/CN/Y2018/V19/I7/15