| 基于自适应占空比扰动的MPPT算法研究 |
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| 引用本文： | 曹金虎,薛士龙,陈意惠,杨明,陈加敏.基于自适应占空比扰动的MPPT算法研究[J].佳木斯工学院学报,2011(1):76-79,85. |
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| 作者姓名： | 曹金虎 薛士龙 陈意惠 杨明 陈加敏 |
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| 作者单位： | 上海海事大学物流工程学院,上海200135 |
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| 基金项目： | 上海市教委第五期重点学科建设项目（J50602）; 上海海事大学科研基金项目（20080466） |
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| 摘 要： | 光伏发电系统的效率很大程度上决定于其最大功率点跟踪.在Matlab/Simulink环境下,对光伏电池进行建模,通过模拟任意太阳辐射强度和环境温度,建立光伏模块特性曲线.并采用Boost电路作为DC-DC变换器完成阻抗变换,在对常规占空比扰动的MPPT算法研究基础上,提出一种自适应占空比扰动的MPPT算法.实验结果表明,改进后的算法在动态和稳态响应上都得到了有效的改善,提高了系统的效率.
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| 关 键 词： | 光伏电池 Boost电路 占空比 自适应 MPPT |
MPPT Algorithm Research On the basis of Self-adaptive Duty cycle Disturbance |
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| Authors: | CAO Jin-hu XUE Shi-long CHEN Yi-hui YANG Ming Chen Jia-min |
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| Affiliation: | (Logistics Engineering College,Shanghai Maritime University,Shanghai 200135,China) |
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| Abstract: | The efficiency of Photovoltaic system largely depends on the maximum power point tracking.Photovoltaic battery model is designed under MATLAB/SIMULINK.Through simulating arbitrary solar radiation intensity and environmental temperature,photovoltaic module characteristic curves are set up.Impedance is transformed by Boost circuit as a DC-DC converter.An MPPT algorithm of self-adaptive duty cycle disturbance is come up with on the basis of the conventional research.Experimental results show that the modified algorithm in dynamic and steady-state response have effective improvement. |
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| Keywords: | PV batteries Boost circuit duty cycle adaptive MPPT |
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