梅红明;王一;刘建政;

• 1:电力系统及发电设备控制和仿真国家重点实验室(清华大学电机系)

摘要(Abstract)：

在各次谐波对应的同步旋转坐标系下,采用比例积分(proportion integration,PI)调节器对网侧各次谐波电流进行分次闭环控制,以有效消除采样精度、控制延时、脉冲宽度调制(pulse width modulation,PWM)死区等对补偿效果造成的影响,实现无静差补偿;在此基础上,针对负载中包含并联电容器时有源电力滤波器的稳定性问题,采用等效系统的方法进行了分析,并基于分次闭环控制提出了简单易行解决方案。数字仿真和物理试验验证了所提控制方法的的有效性。

关键词(KeyWords)： 有源滤波器;并联电容器谐振;指定次谐波补偿;网侧电流闭环

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 梅红明;王一;刘建政;

Email:

DOI: 10.13335/j.1000-3673.pst.2013.08.009

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