| 三点比较法在风力发电系统中的应用 |
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| 引用本文： | 黄守道,佘峰,黄科元,孙延昭. 三点比较法在风力发电系统中的应用[J]. 控制工程, 2009, 16(6) |
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| 作者姓名： | 黄守道 佘峰 黄科元 孙延昭 |
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| 作者单位： | 湖南大学,电气与信息工程学院,湖南,长沙,410082;湖南大学,电气与信息工程学院,湖南,长沙,410082;湖南大学,电气与信息工程学院,湖南,长沙,410082;湖南大学,电气与信息工程学院,湖南,长沙,410082 |
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| 基金项目： | 国家高技术研究发展计划(863计划)基金资助项目 |
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| 摘 要： | 由于风的随机性,充分利用风能是风力发电系统的本质要求,在研究了各种MPPT算法的基础上,提出将三点比较法应用于风力发电系统,介绍了风力机运行特性和最大功率点跟踪(MPPT)的原理,分析三点比较控制算法在应用到风力发电系统中的缺点和不足,并在此基础上提出了改进型的三点比较法.采用Matlab软件进行仿真实验,仿真结果表明改进型三点比较法具有良好的收敛性和抗干扰性,同时证明了改进型的三点比较法的正确性和可行性.
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| 关 键 词： | 风力发电 三点比较法 MPPT 变速恒频 |
Application of Three Points Comparing Algorithm in Wind Power System |
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| HUANG Shou-dao,SHE Feng,HUANG Ke-yuan,SUN Yan-zhao. Application of Three Points Comparing Algorithm in Wind Power System[J]. Control Engineering of China, 2009, 16(6) |
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| Authors: | HUANG Shou-dao SHE Feng HUANG Ke-yuan SUN Yan-zhao |
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| Abstract: | The maximum power point tradcing(MPPT) problem of the wind power generation system with the randomness of wind is discussed.The three-point comparing algorithm is applied to the wind power system,based on the analysis of various existing MPPT algorithms.The performance characteristic and the operation principle of maximum power point tracking(MPPT)are introduced.The faults are analyzed in three-points comparing algorithm applied to wind power system,and a improved three-point compare algorithm is proposed based on traditional algorithm.The improved algorithm is tested by Matlab simulation. The simulation result shows the convergence and anti-interference of the improved three-point comparing algorithm. |
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| Keywords: | MPPT |
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