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投稿时间：2023-05-30
投稿时间：2023-05-30
中文摘要: 近年来,次/超同步振荡(S/SSO)问题严重影响了电力系统的安全运行。在建立了直驱风电机组与直驱风电场等值阻抗模型的基础上,推导出直驱风电场发生场-网振荡的必要条件,并通过分析机组出力变化对系统导纳模型的影响,提出了一种基于功率调整的振荡事故后振荡恢复策略。通过MATLAB/Simulink仿真,验证了所提策略能在保持直驱风电场出力水平的基础上消除振荡。
Abstract:In recent years,the sub/sup-synchronous oscillation (S/SSO) problem has seriously affected the safe operation of power system.This paper establishes the impedance model of wind farm based on the actual collecting network structure,considering the different unit operating conditions,and obtains the difference analysis of the contributing factors of different wind turbines to the actual oscillation of the grid-connected system.Through the analysis of the impact of the change of the actual wind farm wind turbine operating state on the system admittance model,a power adjustment-based oscillation elimination strategy after the oscillation accident is proposed.The proposed oscillation recovery strategy can eliminate oscillations while maintaining the output level of the direct drive wind farm is validated in the simulation of MATLAB/Simulink.
keywords: PMSG wind farm sub/sup-synchronous oscillation frequency couplings impedance models oscillation elimination
文章编号：20241002 中图分类号：TM732 文献标志码：
基金项目:国网科技项目(4000-201999350A-0-0-00)。
引用文本：
瞿晟珉,黄玲玲.基于功率调整的直驱风电场次/超同步振荡后抑制策略[J].上海电力大学学报,2024,40(1):2-9.
QU Chengmin,HUANG Lingling.Sub/supSynchronous Oscillation Suppression Strategy of PMSG Wind Farm Based on Power Adjustment[J].Journal of Shanghai University of Electric Power,2024,40(1):2-9.
瞿晟珉,黄玲玲.基于功率调整的直驱风电场次/超同步振荡后抑制策略[J].上海电力大学学报,2024,40(1):2-9.
QU Chengmin,HUANG Lingling.Sub/supSynchronous Oscillation Suppression Strategy of PMSG Wind Farm Based on Power Adjustment[J].Journal of Shanghai University of Electric Power,2024,40(1):2-9.