Chaotic Characteristics of Partial Discharges Time Series in Oil-Paper Insulation with Applications to Pattern Recognition
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Chaotic Characteristics of Partial Discharges Time Series in Oil-Paper Insulation with Applications to Pattern Recognition
Vol. 44, Issue 12, Pages: 55-60(2010)
作者机构:
西安交通大学电气工程学院,西安,710049
作者简介:
基金信息:
DOI:
CLC:TM835.4
Online First:10 December 2010,
Published:2010
稿件说明:
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Chaotic Characteristics of Partial Discharges Time Series in Oil-Paper Insulation with Applications to Pattern Recognition[J]. 2010, 44(12): 55-60.
DOI:
Chaotic Characteristics of Partial Discharges Time Series in Oil-Paper Insulation with Applications to Pattern Recognition[J]. 2010, 44(12): 55-60.DOI:
Chaotic Characteristics of Partial Discharges Time Series in Oil-Paper Insulation with Applications to Pattern Recognition
five kinds of typical defects in oil-paper insulation are constructed and measured with current pulse method
and chaos method is used to researched the time series of PD signals. The results reveal that the PD is of obviously chaotic characteristic
and the PD process is chaotic one. The PD patterns can be qualitatively analyzed and recognized by the chaotic time series of PD and their chaotic attractors. Phase space reconstruction parameters and post-reconstruction chaotic characteristic quantities can be selected to quantify the PD chaotic characteristics. The verification and comparison between pattern recognition effects of PRPD and CAPD are performed respectively by adopting the neural network of radial basis function(RBF)
it is found that both schemes possess good own advantages. The statistical operators in PRPD mode and chaotic characteristic quantities in CAPD mode are comprehensively selected as the input vectors of neural network
and the average recognition rate can reach 95% to greatly improve the recognition on PD.
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references
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