| 基于非线性微分跟踪器的无差拍控制在APF中的应用 |
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| 引用本文： | 龙英文,孙玉鸿,王敬华.基于非线性微分跟踪器的无差拍控制在APF中的应用[J].电气自动化,2017,39(1). |
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| 作者姓名： | 龙英文 孙玉鸿 王敬华 |
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| 作者单位： | 1. 上海工程技术大学,上海,201620;2. 上海追日电气有限公司,上海,200331 |
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| 摘 要： | 文中将无差拍控制和非线性微分跟踪器相结合,利用两者的优势,提出一种基于APF无差拍控制器中引入非线性微分跟踪器,用以补偿负载电流变化扰动APF控制器的影响,从而避免过于复杂的谐波电流提取算法。该算法与传统的APF谐波提取算法不同,可以有效地降低电网电流的THD。仿真和实验结果都证明了所提控制算法方法的可行性。
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| 关 键 词： | 无差拍控制 跟踪微分器 有源电力滤波器 谐波电流 有源电力滤波器 |
Application of Deadbeat Control Based on Nonlinear Tracking Differentiator in APF |
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| Long Yingwen,Sun Yuhong,Wang Jinghua.Application of Deadbeat Control Based on Nonlinear Tracking Differentiator in APF[J].Electrical Automation,2017,39(1). |
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| Authors: | Long Yingwen Sun Yuhong Wang Jinghua |
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| Abstract: | In this paper,the APF deadbeat controller and nonlinear tracking differentiator are combined,and their advantages are used to compensate for disturbance of the APF controller by variation of the load current,thus avoiding over complicated algorithm of harmonic current extraction.Different from the traditional APF harmonic extraction algorithm,this algorithm can effectively reduce grid current THD.Simulation and experimental results prove the feasibility of the presented control algorithm. |
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| Keywords: | deadbeat control tracking differentiator active power filter (APF) harmonic current |
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