摘要
通过对比分析三相四线制有源电力滤波器(APF)的两种拓扑结构的优缺点,选择了补偿效果更好的四桥臂拓扑结构。采用改进的ip-iq型检测算法对特指的次谐波进行检测,分次进行补偿,可以灵活选择补偿谐波的次数,以适应不同的工业现场的需要。仿真结果表明,设计的三相四线制二重化APF具有很好的谐波效果并能有效地抑制中线电流。
Through contrasting and analyzing the advantages and disadvantages of two kinds of topologies of three-phase four-wire system active power filter （APF）, the four legs topology structure with better compensation effect is chosen. Designated sub harmonics are checked by adopting the improved ip-iq type detection algorithm and gradation compensates. It can neatly select the number of compensating harmonics to suit the needs of different industrial application. The simulation results show that designed three-phase four wire system with dual APF has very good harmonic effect and can effectively inhibit neutral current.
出处
《机电设备》
2013年第5期68-72,共5页
Mechanical and Electrical Equipment
关键词
缓冲结构
MATLAB
压力补偿
稳定性
active power filter （APF）
three-phase four-wire system
dual technology
