基于切换系统理论的终端能量路由器能量路由控制方法研究

An energy routing control method for a terminal energy router based on switching system theory

终端能量路由器是能源互联网中一种重要的能量路由设备,构建其能量路由拓扑的最有效途径是采用基于电力电子变流技术的固态变压器。能量路由拓扑确定之后,能量路由控制技术直接决定着其运行特性。针对终端能量路由器能量路由的混成系统特性,使用基于混成系统理论的切换系统理论进行终端能量路由器能量路由控制。首先详细分析了终端能量路由器能量路由拓扑结构、工作原理。然后,深入分析了能量路由器能量路由的切换系统行为特征,建立了其切换系统模型。其次,结合空间矢量脉宽调制技术提出终端能量路由器多模态切换控制方法。最后,通过Matlab/Simulink仿真平台搭建模型验证所提控制方法的有效性。理论分析和仿真表明,该方法充分考虑了终端能量路由器运行过程中离散变量与连续变量的相互作用,具有切换时间短、切换过程平稳的特点,从而优化了动态调节特性,提高了控制跟踪速度和控制精度。

The terminal energy router is an important piece of energy routing equipment in the energy internet.The most effective way to construct its topology is to use a solid-state transformer based on power electronic converter technology.After the energy routing topology is determined,the control technology directly determines its operational characteristics.This paper uses switching system theory based on hybrid system theory to control the energy routing of the terminal energy router.First,the topology and working principle of the router are analyzed in detail.Then,the switching system behavior characteristics of are analyzed,and a switching system model is established.Secondly,combined with space vector pulse width modulation technology,a multi-mode switching control method is proposed.Finally,a model is built through Matlab/Simulink simulation platform to verify the effectiveness of the proposed method.Theoretical analysis and simulation show that this method fully considers the interaction between discrete and continuous variables in the operation of the router,and has the characteristics of short switching time and stable switching process.This optimizes the dynamic regulation characteristics and improves control tracking speed and accuracy.