| 基于支路模式势能的含高比例DFIG电网低频振荡特性分析 |
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| 引用本文： | 刘铖,杨慧,王旭,于思瑶,赵晓洋.基于支路模式势能的含高比例DFIG电网低频振荡特性分析[J].东北电力学院学报,2020(3):41-49. |
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| 作者姓名： | 刘铖 杨慧 王旭 于思瑶 赵晓洋 |
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| 作者单位： | 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） |
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| 基金项目： | 吉林省青年人才基金项目(20180520067JH);国家基础研发计划项目(2016YFB0900100)。 |
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| 摘 要： | 针对风电并网后小干扰稳定问题,文中从能量角度提出了含双馈风机(DFIG)的多机电力系统小干扰分析方法,基于支路模式势能函数,利用WSCC3机9节点系统,重点分析了双馈风机并网后不同风电渗透率对系统模式振荡割集的影响.分析结果表明:利用支路模式势能分析高比例风机并网电力系统,能够清晰的从网络角度体现不同模式下支路振荡情况,且分析结果较为合理.
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| 关 键 词： | 小干扰稳定 双馈风机 支路模式势能 振荡割集 |
Low Frequency Oscillation Characteristics Analysis with High Penetration of DFIG Using Line Modal Potential Energy |
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| Liu Cheng,Yang Hui,Wang Xu,Yu Siyao,Zhao Xiaoyang.Low Frequency Oscillation Characteristics Analysis with High Penetration of DFIG Using Line Modal Potential Energy[J].Journal of Northeast China Institute of Electric Power Engineering,2020(3):41-49. |
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| Authors: | Liu Cheng Yang Hui Wang Xu Yu Siyao Zhao Xiaoyang |
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| Affiliation: | (Electrical Engineering College,Northeast Electric Power University,Jilin Jilin 132012) |
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| Abstract: | Aiming at the problem of small signal stability after wind power is connected to power grid,this paper proposed a small stability analysis method of multi-machine power system with Doubly-Fed Induction Generator(DFIG)from the energy perspective.Based on line modal potential energy function,using WSCC39-bus system,mainly analyzed the influence on different wind power penetration to modal oscillation cutset after DFIG is connected to the grid.the analysis results show that using the line modal potential energy to analyze the high proportion of fan grid-connected power system can clearly reflect the line oscillation in different modal from the network point of view,and analysis results are reasonable. |
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| Keywords: | Small signal stability Doubly-fed induction generation(DFIG) Line modal potential energy Modal oscillation cutset |
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