| 光伏并网系统的谐波检测与分析 |
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| 引用本文： | 马杰,张建成.光伏并网系统的谐波检测与分析[J].电网与水力发电进展,2010(11):112-115. |
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| 作者姓名： | 马杰 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： | 光伏系统并网运行会对电网带来一系列问题,其中谐波污染就是问题之一,这也是光伏系统实现真正并网运行必须解决的一个难题,而进行谐波检测则是解决该问题的先决条件。通过使用适当的加窗插值算法,验证了加窗插值FFT算法检测谐波各项参数的有效性,并应用此算法对光伏并网模型的谐波电流进行了检测与分析。
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| 关 键 词： | 光伏并网系统 谐波 加窗插值 FFT |
Harmonics Measurement and Analysis of Grid-Connected PV System |
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| Authors: | MA Jie ZHANG Jian-cheng |
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| Affiliation: | (School of Electrical and Electronic Engineering,North China Electric Power University,Baoding 071003,Hebei Province,China) |
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| Abstract: | The parallel operation of the PV system in the power grid will bring a series of problems in the power grid,one of which is the harmonic pollution.In order to address this problem,it is necessary to measure harmonics before the PV system is integrated into the power grid.This paper presents a windowed interpolation FFT algorithm in detecting the parameters of harmonics and demonstrates the effectiveness of the algorithm.Furthermore,the algorithm is applied in detecting and analyzing the harmonic current of the PV parallel model in the paper. |
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| Keywords: | grid-connected PV system harmonics interpolation algorithm based on window FFT |
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