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1.现代电力系统仿真控制与绿色电能新技术教育部重点实验室(东北电力大学),吉林省吉林市 132012
2.国家电网有限公司东北分部,辽宁省沈阳市 110179
安军(1978—),男,博士,教授,博士生导师,主要研究方向:新能源电力系统动态安全分析。E-mail:anhuianjun@163.com
石岩(1992—),男,通信作者,博士研究生,主要研究方向:新能源电力系统频率安全评估。E-mail:spencer0721@163.com
曹帅(1993—),男,工程师,主要研究方向:电力系统稳定分析。E-mail:caoshuai0329@qq.com
收稿:2024-07-02,
修回:2025-01-02,
网络出版:2025-03-10,
纸质出版:2025-05-25
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安军,石岩,曹帅等.含风电的链状电力系统频率动态分布特性分析[J].电力系统自动化,2025,49(10):49-57.
AN Jun,SHI Yan,CAO Shuai,et al.Analysis of Frequency Dynamic Distribution Characteristics in Chain-structured Power System with Wind Power[J].Automation of Electric Power Systems,2025,49(10):49-57.
安军,石岩,曹帅等.含风电的链状电力系统频率动态分布特性分析[J].电力系统自动化,2025,49(10):49-57. DOI: 10.7500/AEPS20240702004.
AN Jun,SHI Yan,CAO Shuai,et al.Analysis of Frequency Dynamic Distribution Characteristics in Chain-structured Power System with Wind Power[J].Automation of Electric Power Systems,2025,49(10):49-57. DOI: 10.7500/AEPS20240702004.
以风电为代表的新能源发电接入电力系统对频率安全产生重要影响,频率分布特性逐渐成为关注重点。为研究风电接入多机电力系统对频率分布特性的影响,首先,基于网、源、荷侧的频率响应特性进行建模,构建了含风电多机电力系统的频率响应分布特性机理解析模型,并分析了风电接入对频率分布特性的影响机理;其次,构建了描述频率响应相对分散性和绝对差异性的多维量化指标体系;然后,通过含“送-转-受”的简单链状电力系统验证了机理模型的有效性,并分析了电气距离、风电接入位置和扰动位置对频率分布特性指标的影响规律;最后,在实际大规模高比例新能源电力系统中分析并验证了分布特性影响规律。
The integration of renewable energy generation
represented by wind power
into the power system has a significant impact on frequency security
and the frequency distribution characteristics have gradually become a focal point of attention. To study the influence of wind power integration into multi-machine systems on frequency distribution characteristics
based on the frequency response characteristics of the “grid
source
and load” sides
this paper constructs an analytical model of the frequency response distribution characteristics of a multi-machine system with wind power
and analyzes the impact mechanism of wind power integration on the frequency distribution characteristics. Then a multi-dimensional quantitative index system is developed to describe the relative dispersion and absolute differences in frequency response. Next
the validity of the mechanism model is verified using a simple chain-structured power system with “generation-transmission-reception”
and the influence rules of electrical distance
wind power integration location
and disturbance location on the frequency distribution characteristic indices are analyzed. Finally
the influence rules of distribution characteristics are analyzed and verified in an actual large-scale power system with a high proportion of renewable energy.
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