| 风电并网系统阻抗稳定性分析及次同步振荡因素研究 |
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| 引用本文： | 刘其辉,高瑜,郭天飞,洪晨威,逄思敏.风电并网系统阻抗稳定性分析及次同步振荡因素研究[J].太阳能学报,2022,43(1):89-100. |
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| 作者姓名： | 刘其辉 高瑜 郭天飞 洪晨威 逄思敏 |
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| 作者单位： | 华北电力大学新能源电力系统国家重点实验室;国网山东省电力公司淄博供电公司 |
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| 基金项目： | 国家重点研发计划(2018YFB0904000)。 |
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| 摘 要： | 该文基于适用于次同步振荡特性分析的系统元件序阻抗模型,建立双馈风电多机并网系统阻抗网络建模模型,并提出基于该模型的稳定性分析方法;综合频域稳定分析和时域仿真结果,多角度讨论分析风速、机组控制参数对系统次同步振荡的影响特性,对现有文献鲜有提及的风电机组(群)位置对次同步振荡影响差异进行了重点研究,发现了振荡现象与具体场景...
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| 关 键 词： | 双馈风电场 次同步振荡 阻抗模型 并网系统 稳定性分析 |
RESEARCH ON IMPEDANCE STABILITY ANALYSIS AND SUBSYNCHRONOUS OSCILLATION FACTORS OF WIND POWER GRID-CONNECTED SYSTEM |
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| Liu Qihui,Gao Yu,Guo Tianfei,Hong Chenwei,Pang Simin.RESEARCH ON IMPEDANCE STABILITY ANALYSIS AND SUBSYNCHRONOUS OSCILLATION FACTORS OF WIND POWER GRID-CONNECTED SYSTEM[J].Acta Energiae Solaris Sinica,2022,43(1):89-100. |
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| Authors: | Liu Qihui Gao Yu Guo Tianfei Hong Chenwei Pang Simin |
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| Affiliation: | (State Key Laboratory for Alternate Electrical Power System with Renewable Energy Sources,North China Electric Power University,Beijing 102206,China;Zibo Power Supply Company of State Grid Shandong Electric Power Corporation,Zibo 255000,China) |
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| Abstract: | Based on the network element impedance model suitable for the subsynchronous oscillation characteristics analysis,This paper establishes a model for modeling impedance network of multi-machine grid-connected system,and proposes a stability analysis method;comprehensive frequency-domain Nyquist stability analysis and time-domain simulation results,this paper discusses in detail the effects of factors such as wind speed and unit control parameter from different perspectives,and focusing on the influence of different position wind turbines(groups)on system oscillation which is rarely studied in previous literature.In particular,it is found that there is a strong correlation between oscillation phenomenon and specific research scenario. |
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| Keywords: | doubly-fed wind farms subsynchronous oscillation impedance model grid-connected system stability analysis |
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