Classification of Polymeric Insulating Surface Condition Based on Leakage Current Total Waveform Distortion
Leakage current waveform and its frequency component are frequently used as a diagnostic tool to identify the state of polymeric condition and its contamination level. This paper presents a new analysis approach of leakage currents on polymeric high voltage insulation material as well as its surfa...
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my.utem.eprints.89332015-05-28T04:00:18Z http://eprints.utem.edu.my/id/eprint/8933/ Classification of Polymeric Insulating Surface Condition Based on Leakage Current Total Waveform Distortion AMAN, AMINUDIN TK Electrical engineering. Electronics Nuclear engineering Leakage current waveform and its frequency component are frequently used as a diagnostic tool to identify the state of polymeric condition and its contamination level. This paper presents a new analysis approach of leakage currents on polymeric high voltage insulation material as well as its surface condition. This leakage current has been monitored and captured with accelerated aging laboratory –inclined plane tests. Previously, Fast Fourier Transform method was used for leakage current parameters estimation, but it has a limitation of being only suitable for stationary signal. To overcome this, the linear time-frequency distribution technique is used, and spectrogram is implemented for the time-frequency representation. The aim of this technique is to extract all relevant information from leakage current signal, and then leakage current parameters are estimated to indentify its characteristics. These include root mean square current, fundamental root mean square current and total current waveform distortion. This proposed approach, will cater all the frequencies components of the leakage current signal like its total current harmonics and total current inter-harmonics distortions as well as giving information for the total current waveform distortion. It was shown that instantaneous root mean square current per unit value and total current waveform distortion % are useful to reveal the polymeric insulating surface condition. Referring to rules based value, the classification of material surface state could be determined instantaneously. 2012-09 Article PeerReviewed application/pdf en http://eprints.utem.edu.my/id/eprint/8933/1/Paper_ADS_Vol_65_No_9_2012.pdf AMAN, AMINUDIN (2012) Classification of Polymeric Insulating Surface Condition Based on Leakage Current Total Waveform Distortion. Archives Des Sciences. pp. 36-50. ISSN 1661-464X |
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Leakage current waveform and its frequency component are frequently used as a diagnostic tool to identify
the state of polymeric condition and its contamination level. This paper presents a new analysis approach of
leakage currents on polymeric high voltage insulation material as well as its surface condition. This leakage
current has been monitored and captured with accelerated aging laboratory –inclined plane tests. Previously,
Fast Fourier Transform method was used for leakage current parameters estimation, but it has a limitation
of being only suitable for stationary signal. To overcome this, the linear time-frequency distribution
technique is used, and spectrogram is implemented for the time-frequency representation. The aim of this
technique is to extract all relevant information from leakage current signal, and then leakage current
parameters are estimated to indentify its characteristics. These include root mean square current,
fundamental root mean square current and total current waveform distortion. This proposed approach, will
cater all the frequencies components of the leakage current signal like its total current harmonics and total
current inter-harmonics distortions as well as giving information for the total current waveform distortion.
It was shown that instantaneous root mean square current per unit value and total current waveform
distortion % are useful to reveal the polymeric insulating surface condition. Referring to rules based value,
the classification of material surface state could be determined instantaneously. |
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Article |
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AMAN, AMINUDIN |
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AMAN, AMINUDIN |
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AMAN, AMINUDIN |
title |
Classification of Polymeric Insulating Surface Condition Based on Leakage Current Total Waveform Distortion |
title_short |
Classification of Polymeric Insulating Surface Condition Based on Leakage Current Total Waveform Distortion |
title_full |
Classification of Polymeric Insulating Surface Condition Based on Leakage Current Total Waveform Distortion |
title_fullStr |
Classification of Polymeric Insulating Surface Condition Based on Leakage Current Total Waveform Distortion |
title_full_unstemmed |
Classification of Polymeric Insulating Surface Condition Based on Leakage Current Total Waveform Distortion |
title_sort |
classification of polymeric insulating surface condition based on leakage current total waveform distortion |
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2012 |
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http://eprints.utem.edu.my/id/eprint/8933/1/Paper_ADS_Vol_65_No_9_2012.pdf http://eprints.utem.edu.my/id/eprint/8933/ |
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