基于虚拟同步发电机的光伏发电系统惯性控制与仿真  

Inertial Control and Simulation of Photovoltaic Power Generation System Based on Virtual Synchronous Generator

作　　者：许顺孝[1,2] XU Shunxiao(College of Marine Engineering,Jimei University,Xiamen 361021,China;Fujian Province Key Laboratory of Ship and Ocean Engineering,Xiamen 361021,China)

机构地区：[1]集美大学轮机工程学院,福建厦门361021 [2]福建省船舶与海洋工程重点实验室,福建厦门361021

出　　处：《电工技术》2022年第8期39-42,共4页Electric Engineering

基　　金：福建省自然科学基金(编号2019J01702)。

摘　　要：研究了虚拟同步发电机(VSG)技术在光伏发电惯性控制中的运用。首先论述了光伏发电系统的数学模型、最大功率控制方法和基于状态储能系统的充放电控制;其次基于虚拟同步发电机的理论模型,对其控制方法进行研究,并对虚拟同步发电机的惯性响应情况进行仿真分析;最后系统仿真表明,通过惯性控制,可以抑制频率的变化,增强系统的稳定性。The application of virtual synchronous generator(VSG)technology in inertial control of photovoltaic power generation is studied.Firstly,the mathematical model of the photovoltaic power generation system,the maximum power control method and the charging and discharging control based on the state energy storage system are discussed.Secondly,based on the theoretical model of the virtual synchronous generator,the control method of the virtual synchronous generator is studied,and the inertial response of the virtual synchronous generator is simulated and analyzed.Finally,the system simulation shows that the frequency change can be suppressed and the stability of the system can be enhanced by inertial control.

关 键 词：光伏发电 虚拟同步发电机 惯性控制 

分 类 号：TM615[电气工程—电力系统及自动化]