风电系统次/超同步振荡的安全区域分析

2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE) Pub Date : 2021-10-09 DOI:10.1109/REPE52765.2021.9617047

Ying Zhan, Xiaorong Xie, W. Chai, Qirong Jiang

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引用次数: 3

摘要

风力发电的并网在当今的电力系统中造成了严重的亚/超同步振荡(SSOs)。分析单点登录系统在不同运行条件下的稳定性，构建其安全区域(SR)具有重要意义。本文首先在阻抗网络模型(INM)的基础上提出了sso的SR概念。然后利用聚合阻抗的频率特性判断振荡稳定性，通过寻找临界稳定工作点建立SR边界。最后，通过构建一个实际经历SSOs的风力发电系统的SR来说明所提出的方法。通过电磁仿真验证了该方法的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Security Region Analysis of Sub/Super-Synchronous Oscillations in Wind Power Systems

The integration of wind power has caused severe sub/super-synchronous oscillations (SSOs) in today's power systems. To analyze the stability of SSO under different operating conditions, it is of great significance to construct its security region (SR). This paper first proposes the concept of SR for SSOs based on the impedance network model (INM). Then the frequency characteristics of the aggregated impedance is used to judge the oscillatory stability and the boundary of SR is built via seeking critical stable operating points. Finally, the proposed method is illustrated by constructing the SR of a practical wind power system that experienced actual SSOs. Its effectiveness is verified with electromagnetic simulations.

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2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE)

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