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Power Quality Analysis Based on All-Phase FFT

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3 Author(s)
Zhang Yonghui ; Coll. of Inf. Sci. & Technol., Hainan Univ., Haikou, China ; Chen Xi ; Zhang Xiyuan

Based on the theory of all-phase spectrum, this paper analyses frequency and harmonics of power. All-phase time-shifting phase difference correcting spectrum analysis is used to correct the measurements of parameters of power quality. All-phase FFT based spectrum analysis and correction has better performance than traditional methods by considering all complexions of the input data. By analyzing the power signal sampling data, it concludes that All-phase FFT based spectrum analysis is more precise on detecting higher harmonics and analyzing power quality than classic FFT.

Published in:

Intelligent System Design and Engineering Application (ISDEA), 2010 International Conference on  (Volume:2 )

Date of Conference:

13-14 Oct. 2010