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上海电力大学学报:2019,35(4):333-338,344
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适用于多逆变器孤岛检测的改进主动频率偏移法
(1.上海电力学院;2.国网安徽省电力公司淮北供电公司;3.国网山东省电力公司烟台供电公司)
Improved Active Frequency Method for Multi-inverter Islanding Detection
(1.Shanghai University of Electric Power, Shanghai 200090, China;2.State Grid Huaibei Power Supply Company, Huaibei 235000, China;3.State Grid Yantai Power Supply Company, Yantai 264000, China)
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投稿时间:2018-04-18    
中文摘要: 多逆变器并网运行存在稀释效应,影响孤岛检测的速度和精度。对多逆变器并网运行系统进行了孤岛检测稀释效应分析,并采用模糊控制的方法对其进行优化处理,削减稀释效应,加快孤岛检测速度,提高检测精度。采用MATLAB/Simulink进行了试验仿真,结果表明,优化后的方法能够快速实现孤岛检测,减小稀释效应。
Abstract:Multi-inverter grid-connected operation and dilution effect,smaller island detection speed and accuracy are studied.The multi-inverter grid-connected operation system islanding dilution effect is analyzed,and fuzzy control method is used to optimize its treatment to reduce the dilution effect,speed up the island detection speed and improve the detection accuracy.The experimental results show that the optimized method can realize the island detection quickly and reduce the dilution effect.
文章编号:20194006     中图分类号:TM464    文献标志码:
基金项目:上海绿色能源并网工程技术研究中心资助项目(13DZ2251900)。
引用文本:
李丽,王鲁杨,张浩,等.适用于多逆变器孤岛检测的改进主动频率偏移法[J].上海电力大学学报,2019,35(4):333-338,344.
LI Li,WANG Luyang,ZHANG Hao,et al.Improved Active Frequency Method for Multi-inverter Islanding Detection[J].Journal of Shanghai University of Electric Power,2019,35(4):333-338,344.