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The Application of Improved HHT to Harmonic Analysis and Fault Detection of Power System

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Abstract:

Hilbert-Huang transform (HHT) is a new time-frequency-domain analysis method, which is suitable for non-stationary and nonlinear signals. In this paper, endpoint continuation and ensemble empirical mode decomposition (EEMD) decomposition method are introduced to improve the HHT, which solve the endpoint winger and modal aliasing problem. The improved HHT (IHHT) is used for analyzing the harmonic signal and detecting the fault signal of power system. Simulation results show that IHHT is feasible and effective for harmonic analysis and fault detection.

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Periodical:

Advanced Materials Research (Volumes 354-355)

Pages:

1406-1411

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.354-355.1406

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Cite this paper

Online since:

October 2011

Authors:

Wen Hua Han, Hai Xia Ren, Xu Chen, Xiao Juan Tao

Keywords:

EEMD, Endpoint Continuation, Fault Detection, Harmonic Analysis, HHT

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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References

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