基于能量路由器的光伏储能系统控制策略研究

Research on Control Strategy of Photovoltaic Energy Storage System based on Energy Router

随着太阳能等新能源的应用推广,能量路由器作为新型的电力电子集成一体化装置,满足现代电力市场复杂多样化的要求。为满足太阳能飞机供电需求,本文针太阳能飞机光伏储能系统的接入和功率平衡的需求,采用一种应用在能量路由器系统中的电力电子集成一体化装置架构,探究出一种孤岛模式下主从控制与分层控制相结合的协调控制策略。在此基础上对太阳能飞机光伏储能系统的并网工作策略与孤岛模式下系统协调控制策略进行分析,根据直流母线电压这一衡量标准实现系统工作模态的自由切换,同时为电网稳定运行提供保障,本文设计了一种光伏与储能单元并网的混合飞机供电架构满足相应的使用要求。

With the application of solar energy and other new energy,energy router,as a new power electronics integration device,meets the complex and diversified requirements of modern power market.In order to meet the needs of access and power balance of photovoltaic energy storage system of solar aircraft,this paper adopts a power electronics integrated device architecture applied in energy router system to explore a coordinated control strategy combining master-slave control and hierarchical control in island mode.On this basis,the grid-connected working strategy of solar aircraft Photovoltaic energy storage system and the system coordination control strategy in the isolated mode are analyzed.According to the measurement standard of DC bus voltage,the seamless transformation of system operation mode is realized,and the power balance of the system is ensured to realize the stable operation of the power grid.Therefore,this paper designs a hybrid aircraft power supply architecture with photovoltaic and energy storage units connected to the grid to meet the corresponding use requirements.