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Time–scale BWR stability analysis using wavelet-based method

✍ Scribed by A. Nuñez-carrera; G. Espinosa-paredes

Book ID
104087668
Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
518 KB
Volume
48
Category
Article
ISSN
0149-1970

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✦ Synopsis

This paper describes a methodology based on wavelet techniques for instability analysis in BWR. The Continuous Wavelet Transform and Multiresolution Analysis using Discrete Wavelet Transform were applied for decomposition of the original signal. This method allows to analyze stationary signals and highly non-stationary signals in the timeescale plane. The results using this method were compared with classic method based on Short-Time Fourier Transform. The methodology was tested analyzing two power instability events: Laguna Verde Unit 1 and case 5 of Forsmark stability benchmark.

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