华南理工大学学报（自然科学版） ›› 2015, Vol. 43 ›› Issue (8): 49-54,61.doi: 10.3969/j.issn.1000-565X.2015.08.008

• 动力与电气工程 • 上一篇    下一篇

抑制光伏并网电压扰动的配电网储能配置方法

朱革兰 刘泽槐 刘文泽 张勇军   

  1. 华南理工大学 电力学院，广东 广州 510640
  • 收稿日期:2014-12-03 修回日期:2015-03-13 出版日期:2015-08-25 发布日期:2015-07-01
  • 通信作者: 朱革兰(1968-)，女，博士，讲师，主要从事配电网及新能源技术研究． E-mail: glzhul@ scut.edu.cn
  • 作者简介:朱革兰(1968-)，女，博士，讲师，主要从事配电网及新能源技术研究．
  • 基金资助:
     国家自然科学基金资助项目(51377060)

Energy Storage Configuration to Suppress Voltage Fluctuation in Distribution Networks with Photovoltaic Power#br#

Zhu Ge-lan  Liu Ze-huai  Liu Wen-ze  Zhang Yong-jun   

  1. School of Electric Power，South China University of Technology，Guangzhou 510640，Guangdong，China
  • Received:2014-12-03 Revised:2015-03-13 Online:2015-08-25 Published:2015-07-01
  • Contact: 朱革兰(1968-)，女，博士，讲师，主要从事配电网及新能源技术研究． E-mail: glzhul@ scut.edu.cn
  • About author:朱革兰(1968-)，女，博士，讲师，主要从事配电网及新能源技术研究．
  • Supported by:
    Supported by the National Natural Science Foundation of China(51377060)

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被引次数

8

摘要： 储能可以有效抑制光伏发电接入配网后系统电压的扰动． 文中通过分析光伏出力波动时储能对含光伏配网电压调节的机理，建立了光伏出力波动和负荷变化影响下的储能配置需求评估模型，研究了考虑电压约束时不同影响因素作用下储能的配置需求，以及储能投入后对电压的调节效果． 仿真分析了光伏接入容量、局部负荷离光伏接入点距离、光伏接入点相对附近变电站距离与储能配置容量的关系，验证了储能在配电网中对电压曲线具有削峰填谷的效应． 同时，利用 Matlab/Simulink 仿真给出了不同情况下具体的储能投入容量及配置建议．

关键词: 光伏发电, 储能容量, 电压约束, 配电网

Abstract: Energy storage can suppress the voltage fluctuations caused by photovoltaic (PV) generation． This paper discusses the regulation mechanism of distribution networks with photovoltaic power by means of the energy storage from the viewpoint of avoiding voltage violation and establishes an energy storage need assessment model considering the voltage violation and the variable power flow． It also investigates the energy storage needs under the voltage constraints with different influence factors as well as the voltage regulation effects obtained through the energy storage． Then，the relationships between the energy storage configuration capacity and the influence factors(namely PV capacity，the distance between the partial load and the PV access point，and the distance between the PV access point and the nearby substation) are analyzed by simulations，and the peak load shifting effect of the energy storage on the voltage curve indistribution networks is verified． Meanwhile，the specific energy storage capacity and the configuration recommendations in each case are presented by a Matlab/Simulink simulation．

Key words: photovoltaic generation, energy storage capacity, voltage constraint, distribution networks

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