| 基于S函数的inc算法在光伏发电MPPT上的应用 |
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| 引用本文： | 张 振,张发明,谭会生. 基于S函数的inc算法在光伏发电MPPT上的应用[J]. 湖南工业大学学报, 2018, 32(1): 76-80 |
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| 作者姓名： | 张 振 张发明 谭会生 |
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| 作者单位： | 湖南工业大学 电气与信息工程学院,湖南工业大学 电气与信息工程学院,湖南工业大学 电气与信息工程学院 |
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| 基金项目： | 国家自然科学基金资助项目（6167224），湖南省自然科学基金资助项目（2016JJ6036） |
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| 摘 要： | 传统的变步长inc算法虽然在控制性能上有优势,但是不仅计算量较大,影响跟踪速度;且稳定步长较大,系统稳定性有待提高。因此,基于Matlab/Simulink平台搭建了光伏发电最大功率点跟踪技术控制模型,利用Simulink中S函数编程,实现了新型变步长inc算法仿真,并得出了相关结论。仿真实验结果表明,基于S函数的新型变步长inc算法不仅跟踪速度较快,而且在最大功率点处的跟踪也准确稳定。
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| 关 键 词： | 光伏发电；MPPT；变步长inc算法；S函数 |
| 收稿时间： | 2017-06-10 |
Application of Inc Algorithm Based on S-Function to Photovoltaic Power Generation MPPT |
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| ZHANG Zhen,ZHANG Faming and TAN Huisheng. Application of Inc Algorithm Based on S-Function to Photovoltaic Power Generation MPPT[J]. Journal of Hnnnan University of Technology, 2018, 32(1): 76-80 |
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| Authors: | ZHANG Zhen ZHANG Faming TAN Huisheng |
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| Abstract: | Though with the advantages in its control performance, the traditional variable step length Inc algorithm has its own disadvantage as well: a large amount of computation which affects the tracking speed and a large stable step length which fails to keep the system stable. In view of this, based on Matlab/Simulink platform, a control model of photovoltaic maximum power point tracking has thus been established. By using S-function programming in Simulink, the simulation of a new variable step size Inc algorithm can be realized, thus helping to obtain relevant conclusions. The simulation results show that the improved variable step length Inc algorithm, which is based on S-function, is characterized with a faster tracking speed, accurate and stable in its tracking at the maximum power point. |
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