电机与控制应用2024，Vol.51Issue(3)：38-48,11.DOI:10.12177/emca.2023.195
并联永磁同步风电机组小干扰稳定性分析
Small Signal Stability Analysis of Parallel Permanent Magnet Synchronous Wind Turbine
摘要
Abstract
The use of average flux orientation control of multiple permanent magnet synchronous wind turbines and thus the construction of fractional frequency wind spower systems,is one of the potential future options for onshore and offshore wind power.Nonetheless,the study of the stability among multiple wind turbines in this mode is rarely covered in the literature.To address this problem,the stability of small disturbances among permanent magnet synchronous wind turbines with average flux orientation control is investigated based on the eigenvalue analysis method.Firstly,based on the topology of the crossover collector system of high-voltage and large-capacity direct-drive permanent magnet synchronous wind turbines,a mathematical model of the wind power system applicable to the analysis of small disturbances stability is established.Secondly,the primary factors affecting system oscillations are determined by identifying the oscillatory modes and analyzing the modal participation factors,and the impact of parameter variations on the oscillatory of the system is examined by plotting the trajectories of the roots.It is concluded that the system oscillations are most affected by the generator inductance,resistance,and direct current capacitance parameters.Finally,the correctness of the findings is verified by time domain simulations.关键词
海上风电/永磁同步风电机组/平均磁链定向控制/小干扰稳定/特征值分析Key words
offshore wind power/permanent magnet synchronous wind turbine/average flux orientation control/small signal stability/eigenvalue analysis分类
信息技术与安全科学引用本文复制引用
孙士奇,单俊豪,仉志华,时振堂..并联永磁同步风电机组小干扰稳定性分析[J].电机与控制应用,2024,51(3):38-48,11.基金项目
国家自然科学基金面上项目(51977220)General Program of National Natural Science Foundation of China(51977220) （51977220）
