Partial discharge ultrasonic detection based on EULER-MUSIC algorithm and conformal array sensor

A conformal array sensor suitable for partial discharge (PD) detection of electrical equipment was designed which displays multiple characteristics including compatibility with the surface of any carrier without affecting the performance of the carrier. Taking a cylindrical conformal array as an exa...

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Published inIET generation, transmission & distribution Vol. 12; no. 14; pp. 3596 - 3605
Main Authors Pang, Xianhai, Wu, Han, Li, Xiaofeng, Qi, Yanxun, Jing, Hao, Zhang, Jiantao, Xie, Qing
Format Journal Article
LanguageEnglish
Published The Institution of Engineering and Technology 14.08.2018
Subjects
Online AccessGet full text
ISSN1751-8687
1751-8695
DOI10.1049/iet-gtd.2017.2016

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Abstract A conformal array sensor suitable for partial discharge (PD) detection of electrical equipment was designed which displays multiple characteristics including compatibility with the surface of any carrier without affecting the performance of the carrier. Taking a cylindrical conformal array as an example, the simulation model was given and the array flow pattern of the cylindrical conformal array sensor was determined. Based on the Euler transform, the algorithm of multiple signal classification (MUSIC) was improved. An algorithm of array signal direction finding suitable for conformal array sensors was proposed and its performance under different signal-to-noise ratios and different array elements was simulated. The improved algorithm and conformal array sensor were used to simulate and test the PD signal. The results show that the algorithm and the conformal array sensor are suitable for PD detection of electrical equipment.
AbstractList A conformal array sensor suitable for partial discharge (PD) detection of electrical equipment was designed which displays multiple characteristics including compatibility with the surface of any carrier without affecting the performance of the carrier. Taking a cylindrical conformal array as an example, the simulation model was given and the array flow pattern of the cylindrical conformal array sensor was determined. Based on the Euler transform, the algorithm of multiple signal classification (MUSIC) was improved. An algorithm of array signal direction finding suitable for conformal array sensors was proposed and its performance under different signal‐to‐noise ratios and different array elements was simulated. The improved algorithm and conformal array sensor were used to simulate and test the PD signal. The results show that the algorithm and the conformal array sensor are suitable for PD detection of electrical equipment.
Author Pang, Xianhai
Wu, Han
Qi, Yanxun
Jing, Hao
Li, Xiaofeng
Zhang, Jiantao
Xie, Qing
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  givenname: Han
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  givenname: Xiaofeng
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  givenname: Qing
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  fullname: Xie, Qing
  email: xq_ncepu@126.com
  organization: 3State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Baoding 071003, Hebei Province, People's Republic of China
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Issue 14
Keywords PD detection
signal detection
array signal direction finding algorithm
array flow pattern
transforms
PD signal testing
signal classification
sensor arrays
cylindrical conformal array sensor
partial discharge measurement
partial discharge ultrasonic detection
multiple signal classification
array elements
Euler transform
simulation model
EULER-MUSIC algorithm
electrical equipment
cylindrical conformal array
signal-to-noise ratios
array signal processing
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  doi: 10.1049/iet-rsn.2016.0464
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Snippet A conformal array sensor suitable for partial discharge (PD) detection of electrical equipment was designed which displays multiple characteristics including...
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iet
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StartPage 3596
SubjectTerms array elements
array flow pattern
array signal direction finding algorithm
array signal processing
cylindrical conformal array
cylindrical conformal array sensor
electrical equipment
Euler transform
EULER‐MUSIC algorithm
multiple signal classification
partial discharge measurement
partial discharge ultrasonic detection
PD detection
PD signal testing
Research Article
sensor arrays
signal classification
signal detection
signal‐to‐noise ratios
simulation model
transforms
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Title Partial discharge ultrasonic detection based on EULER-MUSIC algorithm and conformal array sensor
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