山东电力技术2025，Vol.52Issue(5)：30-40,11.DOI:10.20097/j.cnki.issn1007-9904.2025.05.004
基于振荡特征监测的分布式电源振荡抑制策略研究
Research on Oscillation Suppression Strategy of the Distributed Generation Based on Oscillation Characteristic Monitoring
王文正 1赵仁德1
作者信息
- 1. 中国石油大学(华东)新能源学院,山东 青岛 266580
- 折叠
摘要
Abstract
The large-scale integration of the distributed generation makes sub/super-synchronous oscillation more and more prominent,and its suppression strategies need to be studied urgently.However,the current suppression strategies have many shortcomings in economy and real-time.To solve the above problems,an inhibition scheme based on second order generalized integrator(SOGI)is proposed in this paper.Firstly,the equivalent impedance model of the distributed generation is constructed,and the deficiencies of quasi-proportional-resonant controller(QPR)in oscillation suppression are analyzed.Secondly,in view of the uncertain oscillation frequency and its time-varying characteristics,the second-order generalized integrator-frequency locked loop(SOGI-FLL)based oscillation signal monitoring link with the oscillation suppression strategy based SOGI is combined in this paper,so as to realize the rapid and effective suppression of the oscillation signal from the source while extracting its features.Finally,an experimental platform is set up to compare the inhibition effect of the proposed strategy with that of the QPR strategy,which proves the real-time performance and superiority of this strategy.关键词
SOGI/振荡信号特征监测/SOGI-FLL/振荡抑制Key words
SOGI/oscillatory signal characteristic monitoring/SOGI-FLL/oscillation suppression分类
动力与电气工程引用本文复制引用
王文正,赵仁德..基于振荡特征监测的分布式电源振荡抑制策略研究[J].山东电力技术,2025,52(5):30-40,11.
