| 光伏并网系统中的最大功率点追踪控制 |
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| 引用本文： | 蔡先武. 光伏并网系统中的最大功率点追踪控制[J]. 电子工业专用设备, 2008, 37(11) |
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| 作者姓名： | 蔡先武 |
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| 作者单位： | 国防科学技术大学,湖南,长沙,410073 |
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| 摘 要： | 太阳能电池阵列输出特性具有强烈的非线性,为了提高系统的整体效率,一个重要的途径就是实时调整光伏电池的工作点,进行最大功率点跟踪(MPPT),使之始终工作在最大功率点附近。对并网系统的DC-DC电路原理和控制方法进行了研究,利用增量电导算法,通过脉宽调制的办法实现最大功率点的追踪,并用实验证实了其可行性和正确性。
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| 关 键 词： | 太阳能电池 光伏并网系统 最大功率点追踪(MPPT) 增量电导法 |
Research on Maximum Power Point Tracking in Grid-Connected Photovoltaic System |
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| CAI Xianwu. Research on Maximum Power Point Tracking in Grid-Connected Photovoltaic System[J]. Equipment for Electronic Products Marufacturing, 2008, 37(11) |
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| Authors: | CAI Xianwu |
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| Abstract: | The output of solar cell array has a nonlinear feature,in order to improve the efficiency of the system,The main method is to regulate the output of array to develop the maximum power point tracking(MPPT).In this paper the Principle and control method of DC-DC conversion in grid-connected photovoltaic system were experimentally discussed.The incremental conductance method was implemented for MPPT with pulse-width modulation,and the control method was approved feasible and correct by xperimental result. |
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| Keywords: | solar cell photovoltaic grid-connected system maximum power point tracking(MPPT) incremental conductance method |
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