电力建设2024，Vol.45Issue(9)：63-73,11.DOI:10.12204/j.issn.1000-7229.2024.09.006
考虑非均匀通信延迟的多VSG功率振荡抑制
Power Oscillation Suppression of Multi-VSG Considering Non-Uniform Communication Delays
摘要
Abstract
With the rapid development of renewable energy sources,virtual synchronous generators (VSG) have garnered significant attention as a key technology for enhancing the stability of power systems. However,severe power-oscillation issues are inherent to multi-VSG systems. In this study,a control strategy was investigated for a multi-VSG parallel operation. A distributed adaptive parameter method is proposed to suppress power oscillations. First,by integrating the virtual impedance,frequency rate of change,and adaptive inertia,this method effectively reduces the initial power overshoot and improves the stability and robustness of the system. Second,in the case of non-uniform communication delays in transmission line communication,an operation strategy is introduced,wherein centralized and distributed controls serve as mutual backup protection,further enhancing system reliability. Finally,the simulation results demonstrate the robustness and high delay tolerance of the method considering non-uniform communication delays,promoting the practical application of multi-VSG systems and enhancing the frequency response performance of generator clusters.关键词
虚拟同步机/功率振荡/通信延迟/自适应虚拟阻抗/分布式发电Key words
virtual synchronous generator/power oscillation/communication delay/adaptive virtual impedance/distributed generation分类
信息技术与安全科学引用本文复制引用
李东东,陈昊,姚寅,徐波,巩伟峥,杨帆..考虑非均匀通信延迟的多VSG功率振荡抑制[J].电力建设,2024,45(9):63-73,11.基金项目
国家自然科学基金项目(52377111) This work is supported by National Natural Science Foundation of China(No.52377111). （52377111）
