多端口能量路由器拓扑参数设计方法研究

Research on the Topology Parameter Design Method of Multi-port Energy Routers

能量路由器是基于电力电子变换器的多能源接口装置,能够提高新能源发电技术的稳定性与效率。针对光伏发电、储能装置等分布式能源接入与能量即插即用、能量灵活接入的目的,设计了1个四接口的能量路由器,由2个光伏发电单元接口、1个储能装置接口以及1个并网接口。光伏发电单元接口采用Boost电路,储能装置接口采用交错并联的Buck/Boost变换器,并网接口采用双向DC/AC变换器。重点分析了该能量路由器的参数设计方法,并设计了10kW的能量路由器。最终在simulink/Matlab中搭建了仿真模型,仿真结果表明:该参数设计方法设计出的参数能够保证能量路由器的动态性能与稳态性能。

As the core equipment of energy Internet,energy router has also attracted much attention.The energy router is a multi-energy interface device based on power electronic converter,which can improve the stability and efficiency of new energy generation technology.For the purpose of distributed energy access,energy plug and play,and flexible energy access,such as photovoltaic power generation and energy storage devices,this paper designs an energy router with four interfaces,consisting of two photovoltaic power generation unit interfaces,one energy storage device interface and one grid-connected interface.The photovoltaic power generation unit interface uses Boost circuit,the energy storage device interface uses interleaved Buck/Boost converter,and the grid-connected interface uses bidirectional DC/AC converter.This paper focuses on analyzing the parameter design method of the energy router,and designs a 10kW energy router.Finally,a simulation model was built in simulink/Matlab.The simulation results show that the parameters designed by the parameter design method can ensure the dynamic and steady performance of the energy router.