| 并网光伏系统最大功率点跟踪控制的一种改进措施及其仿真和实验研究 |
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| 引用本文： | 杨海柱,金新民.并网光伏系统最大功率点跟踪控制的一种改进措施及其仿真和实验研究[J].电工电能新技术,2006,25(1):63-67. |
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| 作者姓名： | 杨海柱 金新民 |
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| 作者单位： | 北京交通大学电气工程学院,北京,100044;北京交通大学电气工程学院,北京,100044 |
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| 摘 要： | 最大功率点跟踪控制问题是光伏并网发电系统中经常遇见的问题.本文根据太阳电池阵列的工作特性以及单相并网逆变器的结构和工作原理,针对并网光伏系统最大功率点跟踪控制的间歇扫描法提出了一种改进措施.仿真和实验研究结果表明,改进后的间歇扫描法在最大功率点跟踪控制过程中,系统工作点波动较小,系统稳定性有明显提高.
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| 关 键 词： | 光伏系统 并网逆变器 最大功率跟踪 状态空间平均法 |
| 文章编号： | 1003-3076（2006）01-0063-05 |
| 收稿时间： | 2005-07-05 |
| 修稿时间： | 2005年7月5日 |
Research on improved measure of MPPT control and its experiment in a grid-connected photovoltaic system |
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| YANG Hai-zhu,JIN Xin-min.Research on improved measure of MPPT control and its experiment in a grid-connected photovoltaic system[J].Advanced Technology of Electrical Engineering and Energy,2006,25(1):63-67. |
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| Authors: | YANG Hai-zhu JIN Xin-min |
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| Affiliation: | School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China |
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| Abstract: | Maximum Power Point Tracking is one of the most important problems for the grid-connected photovoltaic system. Aeeording to the eharaeter of solar array and grid-eonneeted inverter, an improved measure about intermittent sean MPPT method is proposed. Then a model of grid-eonneeted inverter based on state-spaee average method is founded and a MPPT experiment is done. Through the result of simulation and MPPT experiment with inverter prototype, it is proved that the stability of system is greatly improved with the new MPPT eontrol strategy. |
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| Keywords: | solar energy grid-connected inverter MPPT state-space average method |
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