| 基于数值方法的光伏发电系统MPPT控制算法研究 |
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| 引用本文： | 胡静,张建成.基于数值方法的光伏发电系统MPPT控制算法研究[J].电力科学与工程,2009,25(7):1-6. |
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| 作者姓名： | 胡静 张建成 |
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| 作者单位： | 华北电力大学电气与电子工程学院,河北,保定,071003 |
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| 基金项目： | 国家自然科学基金资助项目(50677018) |
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| 摘 要： | 针对传统的太阳能最大功率点跟踪(MPPT)算法跟踪速度及精准度不理想的缺点,提出了一种新型的基于数值方法的光伏发电系统最大功率点跟踪控制算法。该方法利用二次插值的思想,仅通过一步就可以跟踪到最大功率点。在该MPPT的启动中还采用了恒定电压法来提高跟踪速度。利用MATLAB搭建了光伏发电系统MPPT跟踪控制仿真模型。仿真结果表明,该算法能够显著提高MPPT跟踪的速度和准确度。
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| 关 键 词： | 最大功率点跟踪（MPPT） 数值方法 光伏发电 插值 |
Research on MPPT Control Algorithm Based on Numerical Method for PV Generation Systems |
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| Hu Jing,Zhang Jiancheng.Research on MPPT Control Algorithm Based on Numerical Method for PV Generation Systems[J].Power Science and Engineering,2009,25(7):1-6. |
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| Authors: | Hu Jing Zhang Jiancheng |
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| Affiliation: | School of Electrical and Electronic Engineering;North China Electric Power University;Baoding071003;China |
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| Abstract: | This paper introduced a novel MPPT control algorithm based on numerical method for photovoltaic (PV) power generation systems,aiming at solving the problems of speed and accuracy in conventional MPPT algorithms.The proposed algorithm was able to perform MPPT with only one step by quadratic interpolation.And a constant voltage tracking (CVT) startup is used in the MPPT method to enhance the speed.The rationality and the feasibility of the algorithm developed in this paper were verified by building simulation... |
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