NDLI: Fault diagnosis of high voltage circuit breaker based on multiple entropy strips method

Content Provider	IEEE Xplore Digital Library
Author	Mingliang Liu Laijun Sun Jianju Zhen Jiangyou Li
Copyright Year	2011
Description	Author affiliation: HLJ Province Key Lab of Senior-Education for Electronic Engineering, Heilongjiang University, Harbin, China (Mingliang Liu; Laijun Sun; Jianju Zhen; Jiangyou Li)
Abstract	In order to reflect the state of mechanical fault of high voltage circuit breaker better, this paper presents a new method based on multiple entropy strips with which the state characteristics of circuit breaker can be extracted. Firstly, the singular value spectral entropy, the power spectral entropy, the wavelet state space characteristic entropy and the wavelet energy spectral entropy of one signal are calculated, and the minimum and maximum of the above each spectral entropy of many groups of tested data in the same fault condition are extracted. Secondly, the minimum of the above four kinds of spectral entropy is fused to form the minimum eigenvector of the fault, and in a similar way, the maximum value is fused to form the maximum eigenvector of the fault. Finally, after calculating the four kinds of spectral entropy for tested signal, the type of equipment fault can be determined according to the range of entropy strip which the obtained value belongs to. A large number of experiments show that the extracted characteristic parameters with this method can accurately distinguish various ordinary fault types, which can be used as the basis of fault diagnosis for circuit breakers.
Starting Page	504
Ending Page	508
File Size	225446
Page Count	5
File Format	PDF
ISBN	9781424487547
e-ISBN	9781424487561
e-ISBN	9781424487554
DOI	10.1109/ICIEA.2011.5975638
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Entropy Circuit faults Circuit breakers Strips Vibrations Fault diagnosis Wavelet transforms high voltage circuit breaker vibration signals multiple entropy strips fault diagnosis
Content Type	Text
Resource Type	Article

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