Comparison of AC flashover performance for line post and pin post insulators in distribution 22 kV

Electrical insulators of the Provincial Electricity Authority (PEA) of medium system are mostly porcelain insulator types that consists of suspension, pin type, line post, and pin post insulators. The distribution lines will be polluted by industrial contaminants, salt fog or natural dust. Experienc...

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Main Authors: Thipprasert W., Jirapong P.
Format: Conference or Workshop Item
Language:English
Published: 2014
Online Access:http://www.scopus.com/inward/record.url?eid=2-s2.0-84866760688&partnerID=40&md5=6786cd88d83ac3d8198fca766f33100f
http://cmuir.cmu.ac.th/handle/6653943832/1602
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Institution: Chiang Mai University
Language: English
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spelling th-cmuir.6653943832-16022014-08-29T09:29:30Z Comparison of AC flashover performance for line post and pin post insulators in distribution 22 kV Thipprasert W. Jirapong P. Electrical insulators of the Provincial Electricity Authority (PEA) of medium system are mostly porcelain insulator types that consists of suspension, pin type, line post, and pin post insulators. The distribution lines will be polluted by industrial contaminants, salt fog or natural dust. Experience shows that pollution flashover is one of the main natural calamities harming and affecting the voltage stability and reliability of distribution system. This paper compares the test results obtained from artificial pollution tests according to IEC 60507 with line post type and pin post type insulators of medium system under same test conditions. The salt fog test results indicate that the pollution flashover performance of line post insulator is less than to 50 percent of wet power frequency withstand voltage at equivalent salt deposit density (ESDD) = 0.5 mg/cm 2 and the leakage current (LC) of line post insulator increased to 10.2 mA at ESDD = 0.5 mg/cm 2 at nominal voltage. In the experiment indicate that AC pollution flashover performance of pin post insulator has better than line post insulator in the serious pollution area. © 2012 IEEE. 2014-08-29T09:29:30Z 2014-08-29T09:29:30Z 2012 Conference Paper 9.78147E+12 10.1109/ECTICon.2012.6254199 92855 http://www.scopus.com/inward/record.url?eid=2-s2.0-84866760688&partnerID=40&md5=6786cd88d83ac3d8198fca766f33100f http://cmuir.cmu.ac.th/handle/6653943832/1602 English
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
language English
description Electrical insulators of the Provincial Electricity Authority (PEA) of medium system are mostly porcelain insulator types that consists of suspension, pin type, line post, and pin post insulators. The distribution lines will be polluted by industrial contaminants, salt fog or natural dust. Experience shows that pollution flashover is one of the main natural calamities harming and affecting the voltage stability and reliability of distribution system. This paper compares the test results obtained from artificial pollution tests according to IEC 60507 with line post type and pin post type insulators of medium system under same test conditions. The salt fog test results indicate that the pollution flashover performance of line post insulator is less than to 50 percent of wet power frequency withstand voltage at equivalent salt deposit density (ESDD) = 0.5 mg/cm 2 and the leakage current (LC) of line post insulator increased to 10.2 mA at ESDD = 0.5 mg/cm 2 at nominal voltage. In the experiment indicate that AC pollution flashover performance of pin post insulator has better than line post insulator in the serious pollution area. © 2012 IEEE.
format Conference or Workshop Item
author Thipprasert W.
Jirapong P.
spellingShingle Thipprasert W.
Jirapong P.
Comparison of AC flashover performance for line post and pin post insulators in distribution 22 kV
author_facet Thipprasert W.
Jirapong P.
author_sort Thipprasert W.
title Comparison of AC flashover performance for line post and pin post insulators in distribution 22 kV
title_short Comparison of AC flashover performance for line post and pin post insulators in distribution 22 kV
title_full Comparison of AC flashover performance for line post and pin post insulators in distribution 22 kV
title_fullStr Comparison of AC flashover performance for line post and pin post insulators in distribution 22 kV
title_full_unstemmed Comparison of AC flashover performance for line post and pin post insulators in distribution 22 kV
title_sort comparison of ac flashover performance for line post and pin post insulators in distribution 22 kv
publishDate 2014
url http://www.scopus.com/inward/record.url?eid=2-s2.0-84866760688&partnerID=40&md5=6786cd88d83ac3d8198fca766f33100f
http://cmuir.cmu.ac.th/handle/6653943832/1602
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