| 3 kW光伏并网逆变器 |
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| 引用本文： | 陈厚岩,许洪华.3 kW光伏并网逆变器[J].可再生能源,2005(3):8-10. |
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| 作者姓名： | 陈厚岩 许洪华 |
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| 作者单位： | 中国科学院,电工研究所,北京,100080 |
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| 摘 要： | 阐述了3kW光伏并网逆变器的关键技术。通过对光伏并网逆变器最大功率点跟踪、孤岛效应和并网控制等问题的分析，提出了具体的解决方案。并且通过对最大功率跟踪算法的改变及变压器切换的控制，使逆变器在轻载的条件下，依然可以获得较好的工作效率。
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| 关 键 词： | 光伏并网逆变器 最大功率跟踪 孤岛保护 |
| 文章编号： | 1671-5292(2005)03-0008-03 |
| 修稿时间： | 2004年11月2日 |
3 kW grid-connected solar inverter system |
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| CHEN Hou-yan,XU Hong-hua.3 kW grid-connected solar inverter system[J].Renewable Energy,2005(3):8-10. |
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| Authors: | CHEN Hou-yan XU Hong-hua |
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| Abstract: | This paper introduced the fundamentals and key techniques of 3 kW grid-connected PV inverter. Not only the of maximum power point tracking and islanding protecting techniques, but also the technique for inverter to connected with grid are discussed in detail. When the inverter works under light load conditions, it will change the method of maximum power point tracking and change the transformer to a smaller one which will increase the efficiency of the inverter remarkable. The experiment proves the feasibility of the control scheme. |
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| Keywords: | grid-connected solar inverter MPPT island protect |
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