A novel power harmonic analysis method based on Nuttall-Kaiser combination window double spectrum interpolated FFT algorithm-Reference-Cited by-同舟云学术

A novel power harmonic analysis method based on Nuttall-Kaiser combination window double spectrum interpolated FFT algorithm

Published:2017-11-01 Issue:6 Volume:68 Page:435-443
ISSN:1339-309X
Container-title:Journal of Electrical Engineering
language:en
Short-container-title:

Author:

Jin Tao¹,Chen Yiyang¹,Flesch Rodolfo C. C.²

Affiliation:

1. College of Electrical Engineering and Automation , Fuzhou University , Fuzhou , China

2. Department of Automation and Systems , Federal University of Santa Catarina , 88040-900 Florianopolis SC, Brazil

Abstract

Abstract Harmonics pose a great threat to safe and economical operation of power grids. Therefore, it is critical to detect harmonic parameters accurately to design harmonic compensation equipment. The fast Fourier transform (FFT) is widely used for electrical popular power harmonics analysis. However, the barrier effect produced by the algorithm itself and spectrum leakage caused by asynchronous sampling often affects the harmonic analysis accuracy. This paper examines a new approach for harmonic analysis based on deducing the modifier formulas of frequency, phase angle, and amplitude, utilizing the Nuttall-Kaiser window double spectrum line interpolation method, which overcomes the shortcomings in traditional FFT harmonic calculations. The proposed approach is verified numerically and experimentally to be accurate and reliable.

Publisher

Walter de Gruyter GmbH

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