LCL滤波的电压型有源整流器新型主动阻尼控制

被引：29

作者：

黄宇淇

姜新建

邱阿瑞

机构：

[1] 清华大学电力系统及大型发电设备安全控制和仿真国家重点实验室

来源：

电工技术学报 | 2008年 / 09期

关键词：

有源整流; LCL滤波器; 主动阻尼; 被动阻尼; 电压空间矢量控制;

D O I：

10.19595/j.cnki.1000-6753.tces.2008.09.014

中图分类号：

TM461 [整流器];

学科分类号：

080801 ;

摘要：

提出一种主动阻尼控制方法,在传统电压空间矢量控制中引入变流器侧电感电压高频分量反馈消除LCL滤波三相电压型有源整流器电流谐振现象。考虑采样保持、运算和脉宽调制引入的控制延时,建立了包括电流控制和LCL滤波器在内的存在一个采样周期延时的简化离散模型,在z平面分析其稳定性,通过调节反馈系数调整零极点,实现了系统的稳定控制。为不增加传感器的数量,利用参数估计得到变流器侧电感电压和网侧电压,大大减少了所需的电压/电流传感器的个数。最后,给出LCL滤波三相电压型有源整流装置的仿真及实验结果,证明了提出的主动阻尼控制及稳定性分析方法的可行性。

引用

页码：86 / 91

页数：6

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