尹靖元;金新民;李金科;杨捷;吴学智;

• 1:国家能源主动配电网技术研发中心(北京交通大学)

摘要(Abstract)：

为实现光伏发电系统低成本高效率的运行需求,提出了一种双逆变器串联的光伏并网变流器拓扑。通过建立双逆变器串联系统的数学模型,得出了在光伏系统中无共模电压差的调制方法,并基于对2组逆变器有功功率的分析,提出功率均衡的系统控制策略,有效降低光伏系统的初始成本并提升电池板MPPT输出电压范围。仿真和实验结果验证了所提拓扑的可行性和控制策略的有效性。

关键词(KeyWords)： 光伏发电系统;双逆变器串联;共模电压差;功率均衡

Abstract:

Keywords:

基金项目(Foundation): 国家863高技术基金项目(2011AA05A113)~~

作者(Author): 尹靖元;金新民;李金科;杨捷;吴学智;

Email:

DOI: 10.13335/j.1000-3673.pst.2014.08.013

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