| 有源电力滤波器的电流控制新方法 |
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| 引用本文： | 谈龙成,陈永刚,常国洁,王平.有源电力滤波器的电流控制新方法[J].电网技术,2006,30(21):62-65. |
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| 作者姓名： | 谈龙成 陈永刚 常国洁 王平 |
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| 作者单位： | 1. 中国科学院,研究生院,北京市,石景山区,100049
2. 中国科学院,电工研究所,北京市,海淀区,100080 |
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| 摘 要： | 基于最优电压空间矢量原理,提出了适用于并联型有源电力滤波器的双滞环电流控制新方法,达到了减少高次谐波分量、加快响应速度的目的。利用具有较大带宽的迟滞比较器采用“尝试-错误-校正-保持”的方法确定了参考电压空间矢量区域,通过引入电压空间矢量提高了直流侧电压利用率,降低了开关频率,改善了有源滤波器性能。仿真实验验证了该方法的可行性和有效性。
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| 关 键 词： | NULL |
| 文章编号： | 1000-3673(2006)21-0062-04 |
| 收稿时间： | 2006-04-24 |
| 修稿时间： | 2006年4月24日 |
A Novel Current Control Method for Active Power Filter |
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| TAN Long-cheng,CHEN Yong-gang,CHANG Guo-Jie,WANG Ping.A Novel Current Control Method for Active Power Filter[J].Power System Technology,2006,30(21):62-65. |
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| Authors: | TAN Long-cheng CHEN Yong-gang CHANG Guo-Jie WANG Ping |
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| Affiliation: | 1. Graduate School, Chinese Academy of Sciences, Shijingshan District, Beijing 100049, China; 2. Institute of Electrical Engineering, Chinese Academy of Sciences, HaidianDistrict, Beijing 100080, China |
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| Abstract: | A novel double hysteresis current control method for shunt active power filter(APF) based on optimal voltage space vectors is proposed and the purpose of quickening transient response and reducing high-order harmonic components is achieved. The spatial vector region of voltage reference is determined by a hysteresis comparator with wider bandwidth and its location can be quickly detected by a trial-error-correction-holding method, which is simple and reliable. The optimal voltage space vector is introduced into control system, which can increase the utilization of DC bus voltage, decrease the switching frequency and improve the efficiency of APF evidently. Simulation experiments verify the feasibility and effectiveness of the proposed method. |
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| Keywords: | power electronics: active power filter(APF) double hysteresis current control optimal voltage space vector harmonics |
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