电力系统自动化2025，Vol.49Issue(22)：113-122,10.DOI:10.7500/AEPS20250223001
基于飞轮储能的直驱风电系统次/超同步振荡自适应抑制方法
Adaptive Suppression Method Against Sub-/Super-Synchronous Oscillations in Direct-drive Wind Power System Based on Flywheel Energy Storage
摘要
Abstract
The multi-timescale interaction between wind turbines and the power grid in direct-drive wind power systems is prone to inducing sub-/super-synchronous oscillations,necessitating the exploration of effective suppression methods.Flywheel energy storage,with its advantages in fast dynamic power response and high charging/discharging frequency per unit time,can enhance system damping characteristics and holds potential for suppressing sub-/super-synchronous oscillations.This paper proposes an adaptive damping suppression method against sub-/super-synchronous oscillations based on flywheel energy storage.A sub-/super-synchronous oscillation adaptive damper(SSOAD)is designed and integrated into the grid-side converter of the flywheel energy storage system,leveraging its capability to rapidly absorb and release energy to achieve sub-/super-synchronous oscillation suppression.First,an overall architecture of SSOAD integrating"measurement-identification-control"functions is proposed.On this basis,a sub-/super-synchronous oscillation detection and identification method,along with an adaptive multi-channel damper,is designed to identify the number of oscillation modes and their respective frequencies.Then,a control strategy for the flywheel energy storage system is designed,including an oscillation suppression method based on current compensation and a bidirectional charging/discharging conversion control method.Finally,a simulation model of a direct-drive wind power system is built to validate the feasibility of the proposed SSOAD.The results demonstrate that the designed SSOAD not only enables real-time identification of multiple oscillation modes,but also ensures effective suppression of sub-/super-synchronous oscillations under varying operation conditions.关键词
直驱风电系统/次同步振荡/超同步振荡/变流器/阻尼抑制/飞轮储能Key words
direct-drive wind power system/sub-synchronous oscillation/super-synchronous oscillation/converter/damping suppression/flywheel energy storage引用本文复制引用
张丹,谢小荣,张庆滔,王晰,袁志昌..基于飞轮储能的直驱风电系统次/超同步振荡自适应抑制方法[J].电力系统自动化,2025,49(22):113-122,10.基金项目
国家自然科学基金资助项目(U22B20100) （U22B20100）
已申请国家发明专利(申请号:202411354888.9). 本文得到台达电力电子科教发展计划(DREN2023001)资助,特此感谢! This work is supported by National Natural Science Foundation of China(No.U22B20100). （申请号:202411354888.9）
