The DPF Perfect Methods of Eliminating the decaying DC component

Yu Xingxiang Lu Feipeng

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The DPF Perfect Methods of Eliminating the decaying DC component

更新时间：2025-11-18

- The DPF Perfect Methods of Eliminating the decaying DC component
- Issue 5, Pages: 58-60(2008)
- 作者机构：
  
  四川大学电气信息学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM744
- Published：2008
- 稿件说明：
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[1]余兴祥,吕飞鹏.傅氏算法消除衰减直流分量影响的有效方法[J].四川电力技术,2008(05):58-60.

Yu Xingxiang Lu Feipeng. The DPF Perfect Methods of Eliminating the decaying DC component[J]. 2008, (5): 58-60.
[1]余兴祥,吕飞鹏.傅氏算法消除衰减直流分量影响的有效方法[J].四川电力技术,2008(05):58-60. DOI：

Yu Xingxiang Lu Feipeng. The DPF Perfect Methods of Eliminating the decaying DC component[J]. 2008, (5): 58-60. DOI：

摘要

在目前的消除衰减直流分量算法中

存在着计算量大及一定的误差问题。针对这两方面的问题

提出了一种用全零点数字滤波器滤除周期性分量的滤波算法。该算法不需要计算衰减直流分量的幅值和衰减时间常数

能精确计算出基波及各次谐波的幅值和相位。仿真结果表明该算法原理简单

适用性强

精度高

是一种有效的算法。

Abstract

There are some problems in the study of eliminating the decaying DC component at present

such as large amount of calculation and existing error.Aiming at these problems

this paper presents an efficient algorithm which use all zero digital filter for filtering the periodic component.This method need not to calculate the amplitude of the decaying DC component and the decay time constant.It can calculate the amplitude and phase of the fundamental wave and harmonics precisely.Simulation results show its strong applicability and high precision.

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