Harmonic Analysis Method Based on the Improved M-Rife Algorithm

SHI Liping; XIE Qiang; ZHANG Tingzhong

doi:10.14044/j.1674-1757.pcrpc.2017.01.023

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Harmonic Analysis Method Based on the Improved M-Rife Algorithm

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- Harmonic Analysis Method Based on the Improved M-Rife Algorithm
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 38, Issue 1, Pages: 123-127(2017)
- 作者机构：
  
  中国矿业大学信息与电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2017.01.023
  CLC： TM711
- Published：2017，
- 稿件说明：
移动端阅览
[1]史丽萍,谢强,张廷忠.基于改进M-Rife算法的谐波分析方法[J].电力电容器与无功补偿,2017,38(01):123-127+155.

SHI LIPING, XIE QIANG, ZHANG TINGZHONG. Harmonic Analysis Method Based on the Improved M-Rife Algorithm. [J]. Power capacitor & reactive power compensation, 2017, 38(1): 123-127.
[1]史丽萍,谢强,张廷忠.基于改进M-Rife算法的谐波分析方法[J].电力电容器与无功补偿,2017,38(01):123-127+155. DOI： 10.14044/j.1674-1757.pcrpc.2017.01.023.

SHI LIPING, XIE QIANG, ZHANG TINGZHONG. Harmonic Analysis Method Based on the Improved M-Rife Algorithm. [J]. Power capacitor & reactive power compensation, 2017, 38(1): 123-127. DOI： 10.14044/j.1674-1757.pcrpc.2017.01.023.

摘要

为了准确地分析电力系统中的谐波情况

本文介绍了一种改进的M-Rife算法。该方法克服了在常用的傅里叶分析中因非同步采样造成的频谱泄露和栅栏效应的问题

通过移动频谱的方法能够对非同步采样的信号进行同步化处理。该算法的优势在于把M-Rife的思想应用在谐波分析上

克服了因插值过程中非线性而造成了相位误差大的问题

实验证明该算法有较高的精度并且在噪声下依旧能够有效地分析出谐波的各项参数。

Abstract

A kind of improved M-Rife algorithm is introduced in this paper for the accurate analysis of harmonics in the power system. This method overcomes the problem of spectrum leakage and fence effect due to asynchronous sampling in normally used Fourier analysis. This method makes the asynchronous sampling issues be synchronized by moving the frequency spectrum. The advantage of the algorithm is the application of M-Rife idea to the harmonic analysis

and the big error due to the nonlinearity during interpolation process is overcome. It is verified by the test that the algorithm has higher accuracy and can analyze each parameter of harmonic effectively under the noise.

关键词

谐波分析M-Rife插值

Keywords

harmonic analysisM-Rifeinterpolation

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