电力系统保护与控制2025，Vol.53Issue(2)：38-49,12.DOI:10.19783/j.cnki.pspc.240414
风电机组一次调频对载荷的影响分析及综合惯量控制优化方法研究
Analysis of the impact of wind turbine generator primary frequency regulation on mechanical loads and research on an integrated inertia control optimization method
摘要
Abstract
During the participation of wind turbine generators(WTGs)in primary frequency regulation,additional mechanical loads will be generated,affecting the safe and stable operation of the wind turbine.To clarify the impact mechanism of wind turbine participation in frequency regulation on mechanical loads,a mechanical structure dynamic model of WTGs containing integrated inertia control is established,and the influence of integrated inertia control on blade,tower and drivetrain loads is analyzed.Looking at torsional vibration of the drive shaft and lateral vibration of the tower excited by wind turbine participation in frequency regulation,first,using integrated inertia control,a method of dynamically adjusting the virtual inertia coefficient and droop coefficient according to the changes of wind turbine speed and frequency is proposed to improve the frequency regulation performance of WTGs.Secondly,a torsional vibration suppression strategy based on torque compensation is proposed to increase the equivalent damping and equivalent stiffness of the drivetrain.An electromechanical coupling simulation model of WTGs based on OpenFAST and Matlab is built.The results show that the proposed strategy can not only improve the frequency support capability of WTGs,but also reduce the additional mechanical loads on the drivetrain and tower during the frequency regulation process.关键词
风电机组/调频控制/频率支撑/机械载荷/载荷分析/轴系扭振Key words
wind turbine/frequency regulation/frequency support/mechanical load/load analysis/torsional vibration引用本文复制引用
刘军,全哲辰..风电机组一次调频对载荷的影响分析及综合惯量控制优化方法研究[J].电力系统保护与控制,2025,53(2):38-49,12.基金项目
This work is supported by the Key Research and Development Program of Shaanxi Province(No.2021GY-106). 陕西省重点研发计划项目资助(2021GY-106) （No.2021GY-106）
陕西省教育厅科研项目资助(JK725) （JK725）
