有源滤波器电流控制新方法  

A new current control method for active power filter

作　　者：曾江[1] 倪以信[2] 陈寿孙[1] 张宝霖[1] 

机构地区：[1]清华大学电机系,北京100084 [2]香港大学电机与电子工程系

出　　处：《电工电能新技术》2000年第4期27-32,共6页Advanced Technology of Electrical Engineering and Energy

摘　　要：本文提出了一种基于最优电压空间矢量的有源滤波器滞环电流控制方法。该方法的特点是以相间电流误差而非相电流误差作为控制对象 ,因此可用三个滞环比较器构成参考电压矢量所在区域判别器 ,在此基础上应用最优电压矢量实行滞环电流控制。在同样的控制精度下 ,该方法可有效地降低开关频率 ,减小有源滤波器开关损耗。An optimized space voltage vector(OSVV) Based hysteresis current control method for active power filters is proposed. It is characterized that the control objectives are not phase current errors but inter phase current errors. With three hysteresis comparators which consist the detector of the reference voltage vector located region, optimized voltage space vectors are applied for hysteresis current controlling. With the same control precision, this method can effectively lower the switching frequency, reduce the switching loss and improve the performance of APF. It is also validated by the computer simulation results.

关 键 词：有源滤波器 电压源逆变器 电流控制 电力系统 

分 类 号：TN713.8[电子电信—电路与系统] TM714.3[电气工程—电力系统及自动化]