A Novel Condition Assessment System for Underground Distribution Applications

This paper discusses an automated measurement- based condition assessment system for underground distribution. The core components of the system include rule-based and SVM-based pattern classifiers, which utilize novel features in the time and wavelet domains to classify underground cable patterns s...

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Bibliographic Details
Published in:IEEE transactions on power systems 2009-08, Vol.24 (3), p.1115-1125
Main Authors: Mousavi, M.J., Butler-Purry, K.L.
Format: Article
Language:English
Subjects:
Aging
Assessments
Automation
Classification
Condition assessment
Current measurement
Deterioration
distribution automation
Faults
feature extraction
incipient fault
Information analysis
Inspection
Maintenance
Monitoring
Power cables
Power industry
Power system reliability
rule-based classification
support vector machines
Underground
Underground cables
Voltage
Wavelet
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Summary:This paper discusses an automated measurement- based condition assessment system for underground distribution. The core components of the system include rule-based and SVM-based pattern classifiers, which utilize novel features in the time and wavelet domains to classify underground cable patterns successfully into various classes based on a measure of severity. The performance of the developed system was tested and evaluated using field data from an underground distribution system. The satisfactory classification results and applications for condition assessment are presented and discussed. The results demonstrate the ability to pick-up and follow the progressive deterioration of the underground system towards an imminent fault by monitoring its incipient behavior over time.
ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2009.2022977