大功率光伏逆变器的低电压穿越控制

Low-voltage Crossing Control of High-power Photovoltaic Inverter

光伏逆变器作为将太阳能转化为可用电能的关键设备,其性能和效率对光伏发电系统的运行和电能质量具有重要影响。文章对光伏逆变器低电压穿越控制进行研究,着重探讨低电压穿越的原因和影响,分析现有的低电压穿越控制策略,并提出一种高效可靠的控制方法。

As a key equipment to convert solar energy into usable electric energy,the performance and efficiency of photovoltaic inverter have an important impact on the operation and power quality of photovoltaic power generation system.In this paper,we will study the low voltage traversal control of photovoltaic inverter,focus on the causes and influence of low voltage crossing,analyze the existing low voltage traversal control strategy,and put forward an efficient and reliable control method.