| 一种光伏发电变周期变步长MPPT优化算法 |
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| 引用本文： | 梁创霖,周华安,文桂林,卿启湘.一种光伏发电变周期变步长MPPT优化算法[J].电力电子技术,2011,45(9):43-45. |
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| 作者姓名： | 梁创霖 周华安 文桂林 卿启湘 |
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| 作者单位： | 湖南大学,汽车车身先进设计制造国家重点实验室,湖南长沙410082 |
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| 摘 要： | 光伏发电系统的最大功率点跟踪(MPPT)常涉及跟踪步长和周期,步长和周期的选取直接影响跟踪速度和功率输出稳定性.为加快跟踪速度,提高稳定性,提出了步长指数变化和周期随步长连续变化的跟踪方法.以电导增量法为例,分析新方法在MPPT中的应用.用Matlab软件进行仿真,在100W光伏发电实验系统上进行实验.仿真和实验证明新...
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| 关 键 词： | 光伏发电 变周期 变步长 最大功率点跟踪 |
A New Variable Step and Period Method of MPPT in Photovoltaic Power System |
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| LIANG Chuang-lin,ZHOU Hua-an,WEN Gui-lin,QING Qi-xiang.A New Variable Step and Period Method of MPPT in Photovoltaic Power System[J].Power Electronics,2011,45(9):43-45. |
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| Authors: | LIANG Chuang-lin ZHOU Hua-an WEN Gui-lin QING Qi-xiang |
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| Affiliation: | LIANG Chuang-lin,ZHOU Hua-an,WEN Gui-lin,QING Qi-xiang(Hunan University,Changsha 410082,China) |
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| Abstract: | In the photovoltaic power system,the maximum power point tracking(MPPT) is often involved in tracking step length and cycle.Step length and cycle directly affects tracking speed and power output stability.In order to in-crease the tracking speed and enhance the power output stability,a new method of variable step length and tracking cycle is brought forward.And with conductance incremental method as an example,the new method is applied in MPPT system.Simulation of Matlab software and experiment in photovolt... |
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| Keywords: | photovoltaic power generation variable period variable step maximum power point tracking |
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