万庆祝;张翃帆;张学哲;孙健;

• 1:北方工业大学电气与控制工程学院
• 2:国网北京市电力公司客户服务中心
• 3:国网北京市电力公司电力科学研究院

摘要(Abstract)：

光伏集群式发电能够提高光伏电站的发电效率,但是光伏集群逆变器并网后会产生谐振,影响电力系统安全稳定运行。为了保证电网供电可靠性,研究了光伏集群系统的谐振产生机理,并对谐振特性进行分析,提出了电容电流前馈与逆变器侧电流反馈控制和RC型全局谐振抑制相结合的控制策略,对光伏集群系统进行谐振抑制。通过仿真和实验验证控制方法的有效性,实验结果表明谐振可以被有效抑制,光伏集群系统可以安全稳定地接入电网,保证供电可靠性。

关键词(KeyWords)： 光伏集群;逆变器;谐振特性;全局谐振抑制

Abstract:

Keywords:

基金项目(Foundation): 北京市教委专项基金资助项目(XN097);; 北京市电力节能协同创新(2011)研究项目(PXM2016_014212_000016)~~

作者(Author): 万庆祝;张翃帆;张学哲;孙健;

Email:

DOI: 10.13335/j.1000-3673.pst.2018.0423

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