一种可并网光伏发电逆变器设计

摘要

The paper introduced a grid-connected type inverter for photovoltaic power solutions,presented the composition of the PV power system structure. The topology and circuit parameters design of DC / DC booster and DC / AC converter core of the inverter was detailed analyzed and explained. According to the description of the circuit design,the paper presented the simulation results of output voltage waveform and relevant measurement data. The experiment result shows that the technical specifications of output voltage can meet the demand of electric grid and achieved the purpose of grid-connected.%文中介绍了一种可并网式光伏发电逆变器设计方案,给出了光伏发电系统的组成结构,重点对逆变器的核心前级DC/DC升压器与后级DC/AC变换器的拓扑结构和电路相关参数设计进行了详细分析说明.按照此方法设计了电路,并给出了输出电压波形的仿真结果与相关测量数据.实验结果表明:该系统输出电压技术指标满足并入市电电网的要求,达到了并网的目的.