LMS自适应滤波器在电力有源滤波器中的应用
首发时间:2007-04-16
摘要:本文提出了一种应用于电力有源滤波器(APF)上的基于LMS自适应滤波器的电流预测方法。该电流预测模块主要由LMS算法模块和FIR滤波器组成,可以很好的提前预测谐波电流,从而提高系统的实时性,改善有源滤波器的滤波效果。此外,本文还提出了基于FPGA的硬件实现构想,并给出了各个模块的实现方法,并重点介绍了FIR滤波器的编程实现。
关键词: APF LMS自适应滤波器 谐波预测
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Application of LMS Adaptive Filter in Active Power Filter
Abstract:This paper presents a current predicting method of active power filer base on LMS adaptive filter. This current predicting module is made of LMS arithmetic module and FIR filter module. This module can predict the harmonic current effectively, enhance the performance of the real-time and improve the effect of the active power system. Furthermore ,this paper also presents a hardware realize scheme base on FPGA and expatiate the realize method of two modules.
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