基于单周控制的三相三线串联混合型有源电力滤波器

Three-phase three-wire series hybrid active power filter based on one-cycle control

介绍了一种基于单周控制的三相三线串联混合型有源电力滤波器。该滤波器只需检测三相电网电流、负载电压和直流侧电容电压,不需要乘法器,省去了谐波和无功电流的计算。整个控制器只需几个带复位的积分器、比较器、触发器和一些线性元件组成,控制器结构简单,并且具有较强的鲁棒性和较高的可靠性。在建立数学模型的基础上采用Saber仿真软件进行了仿真研究,仿真结果表明基于单周控制的三相三线串联混合型有源电力滤波器能够对系统谐波、无功电流进行有效的补偿,并且具有响应速度快的特点。

A three-phase three-wire series hybrid active power filter(APF) based on one-cycle controller is introduced.The filter only needs to detect the three-phase electrical power s current,load voltage and DC voltage.It eliminates the multipliers,the calculating of harmonicas and the reactive current.The controller is composed of some integrators with reset,comparators,flip-flops and linear components.The controller is simple,robust,and reliable.The mathematical modeling and simulation with saber were carried out...