2025年4月4日 周五
首页 > 过刊浏览>2023年第38卷第1期 >97-107. DOI:10.19781/j.issn.1673-9140.2020.01.011
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含分布式电源的配电网功率优化模式影响因素分析
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作者:
作者单位:

(1.郑州轻工业大学电气信息工程学院，河南 郑州 450002;2.国网河南省电力公司三门峡供电公司，河南 三门峡 472000)

通讯作者:

杨存祥(1966—)，男，教授，博士生导师，主要从事新能源并网控制、特种电机优化设计与控制等研究；E?mail：motormag@163.com

中图分类号:

TM711

基金项目:

国网河南省电力公司科技项目(5217I020000G)；郑州轻工业大学博士基金(2018BSJJ008)


Analysis of influencing factors of power optimization modes in distribution network containing distributed generations
Author:
Affiliation:

(1.School of Electric and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China;2.Sanmenxia Power Supply Company, State Grid Henan Power Corporation, Sanmenxia 472000, China)

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    摘要:

    大规模分布式电源并网丰富了配电网的调控手段。针对分布式电源接入后的配电网功率优化问题，本文对有功无功解耦优化和二者协调优化这2种功率优化模式的关键影响因素进行研究，提出一种考虑源、网、荷变化的配电网功率优化影响因素分析方法。首先基于2种功率优化模式的数学模型，分析上网电价、网络参数、负荷等因素与功率优化模型的交互作用机理；然后给出线路阻抗比、负荷功率因数对线路传输功率的数学表达，定性地给出2种优化模式的边界条件；最后以改进的IEEE?33节点系统为例进行仿真，验证上网电价、线路阻抗比、线路长度、负荷功率因数、负荷大小等因素对2种功率优化模式的总发电成本和计算时间的影响。

    Abstract:

    With the grid connection of large scale distributed generations, the regulation and control of distribution network becomes more diversified. Under the circumstance, the key influence factors of the decoupling optimization and coordinated optimization of active and reactive power is investigated. Firstly, an analysis method considering the influence of the changing of power source, network, and load on the power optimization of distribution network is proposed for problem of the power optimization for distribution network containing distributed generation. Then, based on the two power optimization models, the interaction mechanisms between power optimization and grid price, network parameters and load are analyzed. And the mathematical expressions of line impedance ratio and load power factor to transmission power are given. In addition, the boundary conditions of two optimization modes are given qualitatively. At last, an improved IEEE?33 bus system is included to verify the impact of core influence factors for two power optimization modes on the total power generation cost and calculation time, including the feed?in tariff, the impedance rate and length of transmission line, the power factors and load.

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季玉琦,王 涛,史少彧,等.含分布式电源的配电网功率优化模式影响因素分析[J].电力科学与技术学报,2023,38(1):97-107.
JI Yuqi, WANG Tao, SHI Shaoyu, et al. Analysis of influencing factors of power optimization modes in distribution network containing distributed generations[J]. Journal of Electric Power Science and Technology,2023,38(1):97-107.

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