| 电流前馈扰动法在光伏并网发电系统孤岛检测中的应用 |
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| 引用本文： | 杨旭,曾成碧,刘美峰. 电流前馈扰动法在光伏并网发电系统孤岛检测中的应用[J]. 可再生能源, 2010, 28(2) |
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| 作者姓名： | 杨旭 曾成碧 刘美峰 |
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| 作者单位： | 四川大学,电气信息学院,四川,成都,610065 |
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| 摘 要： | 分析了在光伏并网发电系统中孤岛检测的原理,在综合考虑已有孤岛检测方法优缺点的基础上,提出了一种基于电流前馈扰动的孤岛检测方法。通过Matlab/simulink仿真表明,这种方法可以快速地检测到孤岛运行,检测盲区小,对输出电能质量的影响较小。
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| 关 键 词： | 光伏并网 电流前馈扰动 孤岛检测 |
Application of current feed forward disturbance method on islanding detection of PV grid-connected system |
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| YANG Xu,ZENG Cheng-bi,LIU Mei-feng. Application of current feed forward disturbance method on islanding detection of PV grid-connected system[J]. Renewable Energy(China), 2010, 28(2) |
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| Authors: | YANG Xu ZENG Cheng-bi LIU Mei-feng |
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| Affiliation: | College of Electric Information/a>;Sichan University/a>;Chengdu 610065/a>;China |
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| Abstract: | The islanding principle of photovoltaic (PV) grid-connected system is analyzed. After considering the advantages and disadvantages of the existing islanding detection method, the current feed forward disturbance method is proposed to solve the problems. The simulation model of system is established by Matlab software. The result proves that the new method can rapidly detect the islanding, reduce the non-detection zone, what's more, has little influence on the output power quality. |
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| Keywords: | photovoltaic system current feed forward disturbance method islanding detection |
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