发电技术2024，Vol.45Issue(4)：765-771,7.DOI:10.12096/j.2096-4528.pgt.23041
虚拟电厂运行策略及DG分布式控制研究
Research on Operation Strategy of Virtual Power Plant and Distributed Control of DG
摘要
Abstract
[Objectives]Virtual power plant is usually composed of distributed generator(DG).When the system lacks power grid support,practical and reasonable comprehensive operation strategies and accurate control methods are needed to ensure the smooth operation of virtual power plant.[Methods]An operation strategy based on system fluctuation value was proposed.Then,aiming at the problem of generation control of distributed generators in the system,a distributed finite-time controller was designed.The amplitudes of voltage and frequency were adjusted to nominal values within a finite time,and the active power was distributed among each DG unit.Different from the traditional centralized control strategy,the proposed control method is based on distributed junction,which only requires information exchange between adjacent DG units through sparse communication network.[Results]The feasibility of the proposed control method and its robustness to the uncertainty of model parameters and load variation were verified by simulation experiments.[Conclusions]Compared with previous studies,the proposed operation strategy divides the system operating conditions in more detail,effectively improving the stability and security of the system.关键词
虚拟电厂/运行策略/初级控制/二级控制/有限时间控制Key words
virtual power plant/operation strategy/primary control/secondary control/finite-time control分类
能源科技引用本文复制引用
段贵超,王恭,曹生现,段洁..虚拟电厂运行策略及DG分布式控制研究[J].发电技术,2024,45(4):765-771,7.基金项目
吉林省科技发展计划项目(20220203102SF,20230203177SF). Project Supported by Science and Technology Development Planning Project of Jilin Province(20220203102SF,20230203177SF). （20220203102SF,20230203177SF）
