| 基于滑窗离散傅里叶变换检测及重复控制的有源电力滤波器 |
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| 引用本文： | 张永斌,胡金高. 基于滑窗离散傅里叶变换检测及重复控制的有源电力滤波器[J]. 低压电器, 2011, 0(10): 36-39 |
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| 作者姓名： | 张永斌 胡金高 |
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| 作者单位： | 福州大学电气工程与自动化学院,福建福州,350108 |
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| 摘 要： | 滑窗离散傅里叶变换的电流谐波检测算法和重复控制算法具有提高系统实时性、检测精度、易于实现等特点,在提高波形跟踪精度方面有较好的表现。该算法与PI控制并联,不仅保证了系统的动态性能,而且一定程度上消除了稳态误差。通过Matlab仿真,证明了该方法能显著改善滤波效果。
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| 关 键 词： | 滑窗检测 重复控制 有源电力滤波器 离散傅里叶变换 |
Active Power Filter Based on Sliding Window Discrete Fourier Transform Detection and Repetitive Control |
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| ZHANG Yongbin,HU Jingao. Active Power Filter Based on Sliding Window Discrete Fourier Transform Detection and Repetitive Control[J]. Low Voltage Apparatus, 2011, 0(10): 36-39 |
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| Authors: | ZHANG Yongbin HU Jingao |
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| Affiliation: | (College of Electrical Engineering and Automation,Fuzhou University,Fuzhou 350108,China) |
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| Abstract: | Sliding window discrete Fourier transform current harmonics detecting algorithm and repetitive control had been adopted,it could improve the system’s real-time,detecting precision,and was easy to implement and so on.Repetitive control had better performance in improving the tracking accuracy of the waveform,was in parallel with PI control,not only to ensure system’s dynamic properties,but also steady-state error was eliminated to some extent.It was proved that this method could significantly improve the filter effect by simulation. |
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| Keywords: | sliding window detection repetitive control active power filter(APF) discrete Fourier transform(DFT) |
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