计及AGC的含风电电力系统频域建模及参数分析

徐 琪, 徐 箭, 施 微, 王 豹

徐 琪, 徐 箭, 施 微, 等. 计及AGC的含风电电力系统频域建模及参数分析[J]. 现代电力, 2016, 33(6): 14-20.
引用本文: 徐 琪, 徐 箭, 施 微, 等. 计及AGC的含风电电力系统频域建模及参数分析[J]. 现代电力, 2016, 33(6): 14-20.
XU Qi, XU Jian, SHI Wei, et al. Frequency-domain Modeling and Parameter Analysis of Power System Integrated with Wind Generation by Considering AGC[J]. Modern Electric Power, 2016, 33(6): 14-20.
Citation: XU Qi, XU Jian, SHI Wei, et al. Frequency-domain Modeling and Parameter Analysis of Power System Integrated with Wind Generation by Considering AGC[J]. Modern Electric Power, 2016, 33(6): 14-20.

计及AGC的含风电电力系统频域建模及参数分析

基金项目: 国家重点基础研究发展计划项目(973计划)(2012CB215201);国家自然科学基金资助项目(51477122)
详细信息
    作者简介:

    徐 琪(1991—),女,通信作者,硕士研究生,研究方向为电力系统建模与频率分析,E-mail: xuqi0624@whu.edu.cn;徐 箭(1980—),男,博士,教授,研究方向为电力系统稳定与控制等,E-mail: xujian@whu.edu.cn;施 微(1990—),女,硕士研究生,研究方向为电力系统建模与频率分析;王 豹(1990—),男,硕士研究生,研究方向为含风电电力系统的优化调度。

  • 中图分类号: TM712

Frequency-domain Modeling and Parameter Analysis of Power System Integrated with Wind Generation by Considering AGC

  • 摘要: 风电功率激励下系统的频率响应特性不仅与风电接入量有关,还受风电接入位置、AGC控制单元和系统参数等因素的影响。为了研究影响频率质量的关键因素,本文建立了一种考虑发电机、调速器、调频器和负荷特性以及系统网络结构的含风电电力系统频率响应的频域分析模型,并推导了计及AGC的电力系统频率响应的传递函数。在IEEE 10机39节点系统上,利用传递函数的幅频特性曲线,分析了风电接入点、AGC控制单元和系统参数变化对动态频率响应特性的影响。最后,利用本文提出的模型,结合实测风电功率数据仿真分析了AGC对系统频率质量的影响。
    Abstract: Frequency response to wind power is not only related to the amount of wind power, but also affected by such factors as wind power access point, AGC control unit, system parameters, and so on. In order to study the key factors that influence frequency quality greatly, a frequency-domain model that considers the dynamic characteristic of generator with governor and AGC, load characteristic and network structure is built to get the explicit expression of transfer function for frequency response in this paper. Based on the model, the influence of wind power access point, AGC control unit, system parameters on frequency dynamic characteristics is analyzed on IEEE 39-bus system by using the amplitude-frequency characteristic curve of transfer function. In the end, combined with measured data of wind power, the influence of AGC on system frequency quality is evaluated by the proposed model.
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出版历程
  • 收稿日期:  2015-11-28
  • 修回日期:  2016-12-26
  • 发布日期:  2016-12-18

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