电力系统自动化2026，Vol.50Issue(16)：112-124,13.DOI:10.7500/AEPS20250612001
基于多频段自适应阻抗重塑的双馈风力发电机并网振荡抑制方法
Grid-connected Oscillation Suppression Method for Doubly-fed Induction Generators Based on Multi-band Adaptive Impedance Reshaping
摘要
Abstract
Grid-connected operation of doubly-fed induction generators(DFIGs)easily triggers wide-band oscillations.In order to adapt to complex grid operating conditions and scenarios involving DFIG parameter deviations,this paper proposes an adaptive impedance reshaping method that combines coordinated rotor-side and grid-side regulation with segmented frequency control.First,an analytical model of the frequency coupling sequence impedanc for DFIGs is built to clarify the dominant factors affecting impedance characteristics over a broad-band frequency range.Second,a virtual impedance controller is designed for the rotor side with gains dynamically adjusted to the frequency,while employing active damping control at the grid side to adapt to parameter variations,which reshapes the impedance characteristics within sub-synchronous and super-synchronous and intermediate frequency bands,respectively.On this basis,the established impedance model is revised,and the discretization design of the control algorithm is carried out.The feasibility of its engineering application is verified.Finally,Simulation case studies validate the practicability of the proposed control method in various operating scenarios,including series compensation and shunt compensation scenarios.关键词
双馈风力发电机/宽频振荡/频率耦合/阻抗重塑Key words
doubly-fed induction generator(DFIG)/broad-band oscillation/frequency coupling/impedance reshaping引用本文复制引用
刘凯,于建平,李玉敦,樊陈,鲜怡馨,余一平..基于多频段自适应阻抗重塑的双馈风力发电机并网振荡抑制方法[J].电力系统自动化,2026,50(16):112-124,13.基金项目
国家电网公司总部科技项目(5108-202416047A-1-1-ZN). This work is supported by State Grid Corporation of China(No.5108-202416047A-1-1-ZN). （5108-202416047A-1-1-ZN）
