电网不平衡条件下光伏并网控制策略研究

被引:29
作者
刘伟增 [1 ]
周洪伟 [2 ]
张磊 [2 ]
郭磊 [2 ]
梁欢迎 [2 ]
机构
[1] 西安交通大学电气工程学院
[2] 特变电工西安电气科技有限公司
关键词
电网不平衡; 光伏并网逆变器; 最大功率点跟踪; 电能质量;
D O I
暂无
中图分类号
TM464 [逆变器];
学科分类号
摘要
以光伏并网逆变器在电网不平衡条件下并网的控制策略为研究对象,对并网逆变器在不平衡电网下的运行特性进行理论分析与实验验证。研究结果表明:所提出的不平衡电网条件下的控制策略增强了并网系统的稳定性及光伏最大功率点跟踪的高效性,提高了系统效率及并网功率因数,改善了并网电能质量;且完全适用电网暂态故障条件下低电压穿越控制。在大功率光伏并网逆变器中具有极高的应用工程价值。
引用
收藏
页码:647 / 652
页数:6
相关论文
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