于国庆,段高磊

• 1:河北科技大学

摘要(Abstract)：

传统两级式光伏并网逆变器控制策略存在系统无效损耗过大、系统控制效率低下等问题。为了有效解决此问题,设计新型两级式光伏并网逆变器的非线性控制系统。通过系统结构设计、光伏并网逆变器非线性控制进网电流环设计、非线性控制系统直流母线电压环设计,完成系统硬件设计。通过两级式光伏非线性控制侧功率解耦电容设计、系统母线电容设计、系统Boost电感设计,完成系统软件设计。模拟新型系统运行环境,设计对比实验结果表明,与传统两级式光伏并网逆变器控制策略相比,新型系统能有效控制无效损耗,大幅提升系统控制效率。

关键词(KeyWords)： 两级式光伏;并网逆变器;控制系统;进网电流环;母线电压环;解耦电容;Boost电感

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 于国庆,段高磊

DOI: 10.16652/j.issn.1004-373x.2018.12.027

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