The power quality detection and synchrophasor measurement based on compressive sensing

被引：1

作者：

Chen, Yufang ^{[1
]}

Liu, Zhixin ^{[2
]}

机构：

[1] Inner Mongolia Minzu Univ, Coll Engineer, Tongliao 028000, Inner Mongolia, Peoples R China

[2] Inner Mongolia Elect Informat Vocat Tech Coll, Hohhot 010070, Inner Mongolia, Peoples R China

来源：

OPTIK | 2023年 / 272卷

关键词：

Compressive sensing; Power quality; Synchrophasor; Measurement; MODEL;

D O I：

10.1016/j.ijleo.2022.169922

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In order to improve the effect of power quality detection and synchrophasor measurement, this paper studies power quality detection and synchrophasor measurement with the support of compressive sensing technology. Based on the DFT synchrophasor measurement, this paper uses the RDFT recursive formula to simplify the DFT calculation amount, and uses the least squares estimation method to fit the phase angle sequence to calculate the system frequency. According to the obtained frequency estimation value, re-sampling is carried out to correct the original sam-pling point, and the frequency secondary calculation is iteratively performed, the detection ac-curacy of high frequency and phase angle, and the linear measurement of the signal is realized by using the Gaussian random measurement matrix, and the compressed sensing signal is obtained. The experimental data statistics show that the model proposed in this paper for power quality detection and synchrophasor measurement based on compressive sensing has a good effect.

引用

页数：14

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