| 级联型无功补偿器的电流控制器设计 |
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| 引用本文： | 陈晶晶,李志新. 级联型无功补偿器的电流控制器设计[J]. 舰船电子工程, 2014, 0(2): 166-170 |
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| 作者姓名： | 陈晶晶 李志新 |
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| 作者单位： | 国家电网荆州市荆州地区供电公司;海军工程大学电气工程学院; |
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| 摘 要： | 论文在分析基于级联多电平逆变器的静止无功补偿器的电流控制器基本原理的基础上,设计了单纯比例积分控制和比例加重复复合控制两种电流控制器,对比两种控制器作用时补偿器对电流指令的跟踪性能,发现比例加重复复合控制在保证系统动态响应特性的情况下明显改善了系统的稳态性能,最后通过仿真证明了该结论.
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| 关 键 词： | 级联多电平 静止无功补偿 电流控制器 |
Design of Current Controller for Cascaded STATCOM |
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| CHEN Jingjing,LI Zhixin. Design of Current Controller for Cascaded STATCOM[J]. Ship Electronic Engineering, 2014, 0(2): 166-170 |
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| Authors: | CHEN Jingjing LI Zhixin |
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| Affiliation: | 1. State Grid Jingzhou City Jingzhou District Power Supply Company, Jingzhou 434100) (2. College of Electrical Engineering, Naval University of Engineering, Wuhan 430033) |
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| Abstract: | The basic principle of current controller for STATCOM which is based on cascaded nmhilevel inverter has been anlyzed firstly in this paper. Then two kinds of current controller were designed, including the controller only based on Pl control method, and the proportional and repetitive controller based on composite control method. The currenl comnmnd tracking performances of the STATCOM was compared when the two kinds current eomroller were applied separately. The resuhs demonstrated that the proportional and repetitive controller based composite control method could not only ensure the dynamic performances but also improve the steady state performances, which have been proved by simulation. |
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| Keywords: | cascaded multilevel STATCOM current controller |
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