单相光伏并网逆变器的控制策略研究及实现  

Realization and Research on Control Strategy of Single Phase Photovoltaic Grid-connected Inverter

作　　者：王飞[1] 谢磊[1] 周毅人[1] 马利明[1] 

机构地区：[1]中山大学,广东广州510275

出　　处：《电力电子技术》2009年第11期24-25,40,共3页Power Electronics

基　　金：广东省自然科学基金项目(8451027501001493);中山大学青年教师科研启动基金资助项目(1131060)~~

摘　　要：针对光伏并网系统的特点,分析其工作原理,计算了输出端电感进行。提出了光伏阵列并网发电的设计和控制方案,建立了系统控制模型。运用电网电压前馈和电流跟踪技术,实现了网侧电流正弦化且为单位功率因数。最后通过实验验证了该方案的正确性。According to the characteristic of photovoltaic grid-connected system,the system principle is analysed,the output inductance is calculated,the design and control schemes of photovoltaic grid-connected inverter is proposed,and the system control model is established.The feed-forward of grid-voltage and current tracking technology are applied,the sinusoidal current of grid side and unity power factor are realized.Finally,the validity of the schemes is verified by experiments.

关 键 词：逆变器 功率因数/光伏并网 

分 类 号：TM464[电气工程—电器]