【摘要】 微电网作为分布式能源接入的一种有效手段,已经成为电力领域的重要研究课题之一。文中基于光伏电池和铅酸蓄电池的等效电路及数学模型,在MATLAB/Simulink仿真环境下搭建了光伏电池和铅酸蓄电池的仿真模型,采用性能较好的基于功率占空比二次微分的MPPT算法对光伏电池进行控制,并对光伏发电系统和蓄电池储能系统分别采用PQ、V/f控制策略进行组网,搭建光储微电网仿真模型。最后通过仿真验证光储微电网模型及控制策略的正确性。更多还原

【Abstract】 As an effective means of distributed energy access,micro-grid has become one of the most important research topics in the field of electric power.In this paper,based on the equivalent circuit and mathematical model of photovoltaic cells and lead-acid batteries,the simulation model of photovoltaic cells and lead acid batteries are built in the MATLAB/Simulink simulation environment.The better MPPT algorithm based on the duty cycle of secondary power differential is used to control the photovoltaic cell.The photovoltaic power generation system and battery energy storage system are respectively used PQ,V/f control strategy for networking,to build photovoltaic energy storage microgrid simulation model.Finally,the simulation verifies the correctness of the model and control strategy.更多还原