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2010•Techniques of Automation and ApplicationsRequires access

The Application of Split-Radix FFT on Harmonic Detection in Electric Power System

Huang Hong-quan

Open publisher page 1 citations

Abstract

In the power system,due to wider use of non-linear loads,power grids has been injected a large number of harmonics,which bring great harm to equipments in power system.Harmonic detection is a key technology for power quality analysis and harmonic compensation,while the Fast Fourier Transform is the most widely used as a harmonic detection method.In this paper,we study Split-radix FFT algorithm theory is studied,the algorithm using C language is programed,harmonic detection experiments based on the TMS320F2812 DSP-based experimental setup is carried on.By doing FFT operation to the sampling signal,the grid's voltage harmonics signal parameters,for harmonic real-time analysis and process can be detected quickly,the correctness and high speed of the algorithm is verified.It can be used as a general algorithm in harmonic detection.

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What this paper is about

In the power system,due to wider use of non-linear loads,power grids has been injected a large number of harmonics,which bring great harm to equipments in power system.Harmonic detection is a key technology for power quality analysis and harmonic compensation,while the Fast Fourier Transform is the most widely used as a harmonic detection method.In this paper,we study Split-radix FFT algorithm theory is studied,the algorithm using C language is programed,harmonic detection experiments based on the TMS320F2812 DSP-based experimental setup is carried on.By doing FFT operation to the sampling signal,the grid's voltage harmonics signal parameters,for harmonic real-time analysis and process can be detected quickly,the correctness and high speed of the algorithm is verified.It can be used as a general algorithm in harmonic detection.

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Available abstract

In the power system,due to wider use of non-linear loads,power grids has been injected a large number of harmonics,which bring great harm to equipments in power system.Harmonic detection is a key technology for power quality analysis and harmonic compensation,while the Fast Fourier Transform is the most widely used as a harmonic detection method.In this paper,we study Split-radix FFT algorithm theory is studied,the algorithm using C language is programed,harmonic detection experiments based on the TMS320F2812 DSP-based experimental setup is carried on.By doing FFT operation to the sampling signal,the grid's voltage harmonics signal parameters,for harmonic real-time analysis and process can be detected quickly,the correctness and high speed of the algorithm is verified.It can be used as a general algorithm in harmonic detection.

Key concepts: Harmonics, Fast Fourier transform, Harmonic, Harmonic analysis, Electronic engineering, Computer science, Digital signal processing, Electric power system

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