| 三相有源电力滤波器的灰色变结构控制器设计 |
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| 引用本文： | 杜继伟,毕伟东,王奔. 三相有源电力滤波器的灰色变结构控制器设计[J]. 电力系统保护与控制, 2006, 34(6): 49-52,63 |
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| 作者姓名： | 杜继伟 毕伟东 王奔 |
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| 作者单位： | 西南交通大学电气工程学院 四川成都610031(杜继伟，王奔)，南阳供电公司 河南南阳473013(毕伟东) |
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| 摘 要： | 结合灰色系统理论和变结构控制理论,设计一种新型三相有源电力滤波器的灰色变结构控制器。此控制器是在传统VSC的滑模面附近增设边界层,同时将饱和函数代替传统变结构中符号函数,再通过灰色预测下一状态值来调整滑模控制增益大小,有效地减弱了传统变结构控制的“抖动”现象。仿真结果表明:在GVSC控制下的APF具有更好的补偿效果,且直流电容电压更稳定。
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| 关 键 词： | 有源电力滤波器(APF) 灰色变结构控制(GVSC) 补偿效果 稳定性 |
| 文章编号： | 1003-4897（2006）06-0049-04 |
| 收稿时间： | 2005-08-16 |
| 修稿时间： | 2005-08-162005-10-14 |
Design of grey variable structure controller for three-phase active power filter |
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| DU Ji-wei , BI Wei-dong , WANG Ben. Design of grey variable structure controller for three-phase active power filter[J]. Power System Protection and Control, 2006, 34(6): 49-52,63 |
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| Authors: | DU Ji-wei BI Wei-dong WANG Ben |
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| Affiliation: | 1. School of Electrical Engineering,Southwest Jiaotong University, Chengdu 610031, China; 2. Nanyang Power Company, Nanyang 473013, China |
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| Abstract: | In this paper,the grey prediction is integrated into the VSC to develop a grey variable structure controller(GVSC) for a three-phase active power filter(APF).The principle of this controller is adding a boundary layer around the sliding surface of conventional variable structure control,the function saturation replacing the function sign,and next state is predicted by grey theory to regulate the gain of sliding mode control ahead of time.Chatting of conventional variable structure is reduced effectively.Simulation results verify that APF with GVSC has better compensation performace and capacitor voltage has better stability. |
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| Keywords: | APF GVSC compensation performace stability |
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