高压电器2025，Vol.61Issue(11)：34-44,11.DOI:10.13296/j.1001-1609.hva.2025.11.004
提高储能换流器VSG频率稳定性控制策略
Control Strategy for Improving VSG Frequency Stability in Energy Stroage Power Conversion System
摘要
Abstract
The adoption of virtual synchronous generation(VSG)control strategy in the power conversion system(PCS)control system for energy storage converters makes it to possess similar rotation and excitation characteristics to synchronous generators.A novel adaptive virtual inertia VSG control method is proposed,the frequency change rate is introduced to characterize virtual inertia,thus reducing the adjustment deviation and adjustment time during the adjustment of energy storage VSG frequency.As for the common low-frequency disturbances in energy storage systems,a virtual power system stabilizer(PSS)is used to regulate the loop and increase the damping ratio of the VSG control system as well as maintain frequency stability.The MATLAB/Simulink simulation and RTDS experimen-tal results show that the proposed new adaptive virtual inertia VSG control can maintain the output frequency stabili-ty of the energy storage system,the proposed virtual PSS adjustment link can effectively improve the damping charac-teristics of the energy storage VSG and enhance the the suppression ability of the control system to low-frequency os-cillations.The new control method can improve the frequency stability of the energy storage VSG control system.关键词
储能换流器/虚拟同步机/自适应虚拟惯量/虚拟电力系统静态稳定器/频率稳定性Key words
energy storage power conversion system/virtual synchronizer/adaptive virtual inertia/virtual power system static stabilizer/frequency stability引用本文复制引用
冯晓静,黄明远,张泽磊,杨沛豪,何凯琳..提高储能换流器VSG频率稳定性控制策略[J].高压电器,2025,61(11):34-44,11.基金项目
国家重点研发计划"973"项目(2022YFB2405200) （2022YFB2405200）
陕西省自然科学基础研究计划(2024JC-YBMS-419). Project Supported by National Key Research and Development Program"973"Project(2022YFB2405200),Shaanxi Provincial Natural Science Basic Research Program(2024JC-YBMS-419). （2024JC-YBMS-419）
