Research and Improvement on the Error of Traditional Fourier Algorithm with DC Filter

CUI Jian; CHEN Li’an; TIAN Hong; ZHANG Chaoke

doi:10.13296/j.1001-1609.hva.2018.07.037

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Research and Improvement on the Error of Traditional Fourier Algorithm with DC Filter

更新时间：2025-04-26

- Research and Improvement on the Error of Traditional Fourier Algorithm with DC Filter
- High VoltageApparatus Vol. 54, Issue 7, Pages: 260-266(2018)
- 作者机构：
  
  厦门理工学院福建省高电压技术重点试验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.07.037
  CLC： TM713
- Published：2018
- 稿件说明：
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[1]崔建,陈丽安,田洪,张朝科.传统直流滤波傅里叶算法的误差研究及改进[J].高压电器,2018,54(07):260-266.

CUI Jian, CHEN Li’an, TIAN Hong, et al. Research and Improvement on the Error of Traditional Fourier Algorithm with DC Filter[J]. High voltageapparatus, 2018, 54(7): 260-266.
[1]崔建,陈丽安,田洪,张朝科.传统直流滤波傅里叶算法的误差研究及改进[J].高压电器,2018,54(07):260-266. DOI： 10.13296/j.1001-1609.hva.2018.07.037.

CUI Jian, CHEN Li’an, TIAN Hong, et al. Research and Improvement on the Error of Traditional Fourier Algorithm with DC Filter[J]. High voltageapparatus, 2018, 54(7): 260-266. DOI： 10.13296/j.1001-1609.hva.2018.07.037.

摘要

文中对一类传统的直流滤波傅里叶算法的误差进行了分析

并在研究的基础上提出了一种新的直流滤波傅里叶算法。首先分析此类传统的直流滤波傅里叶算法如何修正带有直流衰减分量的短路电流采样值

分析修正采样值的过程中误差的变化

然后利用MATLAB仿真计算了此类算法的误差规律

最后提出一种兼顾运算量和计算精度的直流滤波傅里叶算法。

Abstract

This paper studies the factors that influence the error of a kind of traditional Fourier algorithm with DCfilter

and on the basis of the research

a new DC filter Fourier algorithm is proposed. Firstly

the algorithm that caneliminate the decaying DC component in the transient current is presented and then the factors that influence error ofthis kind of Fourier algorithm with DC filter are analyzed. Followed

a simulation to observe the change of error iscarried out with MATLAB and the simulation coincide with the predicted result. Finally

a new Fourier algorithmwhich considered computational complexity and accuracy is presented.

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