Leakage currents on non-ceramic insulators and materials

Fernando, M. A. R. M.; Gubanski, Stanislaw

doi:10.1109/94.798122

Cited by 51 publications

(17 citation statements)

References 89 publications

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“…No signs of dry band activity were noticed [8,9]. One should point here however the large difference between the levels of measured dc resistance (60-400 MQ) and the ac resistance (1.9 -4.75 GQ), the latter resulting from the ac leakage currents of 4-10 [A at 19 kV, despite of using the same clean fog conditions.…”

Section: E Ac Leakage Currentsmentioning

confidence: 81%

Performance of Silicone Rubber Composite Insulators in Sri Lanka

Fernando

Rajamantri²,

Gubanski³

2006

First International Conference on Industrial and Information Systems

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This paper presents the performance of silicone rubber composite insulators in Sri Lanka over ten years period. The study consisted of two phases. In the first phase (from 1995 -1999), different types of composite insulators were installed in 33 kV distribution network and were tested under marine, industrial (cement dust) and clean environments. Based on the outcomes of these tests a new set of silicone rubber insulators was selected for the phase two (2001)(2002)(2003)(2004)(2005)(2006) of the project under marine and clean environments. It was found that the silicone rubber insulators performed well during this period and there is a possibility for stressing such insulators higher than ordinary porcelain insulators. Further it was found that housing material composition influenced the performance of insulators stronger than the creepage distance.

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Section: E Ac Leakage Currentsmentioning

confidence: 81%

Performance of Silicone Rubber Composite Insulators in Sri Lanka

Fernando

Rajamantri²,

Gubanski³

2006

First International Conference on Industrial and Information Systems

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“…It has been applied by many researchers worldwide both in field and laboratory conditions [17][18][19][20][21], both on ceramic and composite materials and in addition can provide information for the total electrical activity observed (from the onset until a possible flashover).…”

Section: Materials Monitoringmentioning

confidence: 99%

Performance of RTV silicone rubber coatings installed in coastal systems

Siderakis¹,

Agoris²

2008

Electric Power Systems Research

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“…This requires careful analysis and interpretation of the leakage current data. The relationship between leakage current data measurements and insulator behavior is on the whole well understood [3,4].…”

Section: Interpretation Of Leakage Current Datamentioning

confidence: 99%

Evaluating the Performance of Outdoor Apparatus in Harsh Environments

Clifford

Le²,

Mähönen

et al. 2008

Conference Record of the 2008 IEEE International Symposium on Electrical Insulation

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Ensuring the reliability of high voltage insulation materials in harsh outdoor environments is a complex challenge. Manufacturers of outdoor apparatus can make use of standardized material tests and multi-stress tests but for confirmation must rely on dedicated outdoor testing stations. The correlation between the results of these three methods is not fully understood. A barrier to improving understanding is the uncontrolled environment and typically remote location of outdoor testing stations. This work demonstrates some of the anomalies that can be observed in testing by these three methods and concludes that, rather than rely on outdoor test stations, the current IEC 61109 (Annex C) multi-stress test should be enhanced to better represent the conditions seen in them.

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Leakage currents on non-ceramic insulators and materials

Cited by 51 publications

References 89 publications

Performance of Silicone Rubber Composite Insulators in Sri Lanka

Performance of Silicone Rubber Composite Insulators in Sri Lanka

Performance of RTV silicone rubber coatings installed in coastal systems

Evaluating the Performance of Outdoor Apparatus in Harsh Environments

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