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中国电机工程学报 2008, 28(18) 66-72 DOI:
ISSN: 0258-8013 CN: 11-2107/TM |
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| 电力电子与电力传动 |
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重复控制在并联有源滤波器中的应用 |
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武健 何娜 徐殿国 |
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哈尔滨工业大学电气工程系 哈尔滨工业大学电气工程系 哈尔滨工业大学电气工程系 |
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摘要:
有源滤波器(active power filter,APF)是消除电网中非线性负载产生的电流谐波的有效手段。针对某一类非线性负载,该文提出了一种在单一同步坐标系下的复合控制器,包含PI和重复控制器。该复合控制器结合了PI和重复控制器的优点,能够消除稳态误差和改善系统鲁棒性。详细研究了复合控制器的设计方法,对控制系统稳定性进行了分析。所提控制方法在三相并联有源滤波器系统进行了验证,实验结果证明了所提出的混合控制器具有优异的性能。 |
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关键词:
电流谐波补偿
数字重复控制
有源滤波器
PI 控制器
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Application of Repetitive Control Technique in Shunt Active Power Filter |
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WU Jian HE Na XU Dian-guo |
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Electrical Engineering Department, Harbin institute of technology Electrical Engineering Department, Harbin institute of technology Electrical Engineering Department, Harbin institute of technology |
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Abstract:
Shunt active power filters (APF) have been proved as effective means to compensate distorted currents caused by nonlinear loads in power distribution systems. This paper presents an all-digital hybrid controller, called single synchronous frame hybrid (SSFH) controller concerning to special nonlinear load. The hybrid controller operates in an SSF mixing conventional PI with repetitive controller. This approach can get zero state error and improve robustness. A detailed design criterion for the SSFH controller is presented based on a frequency-response approach. The design is performed for the particular application of three-phase shunt active filter and several experimental results are also presented to show the good behavior of the closed-loop system. |
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Keywords:
current harmonics compensation
digital repetitive control
active power filter
PI controller
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收稿日期 2006-11-16 修回日期 1900-01-01 网络版发布日期 |
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DOI: |
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基金项目:
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通讯作者: 武健 |
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作者简介: |
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作者Email: wujian@hit.edu.cn |
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| Copyright by 中国电机工程学报 |