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Performance Evaluation of Ceramic and Polymeric Composite Insulators under Different Pollution Conditions

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(2015)

Аннотация

According to available statistics, about 70% of high voltage transmission line failures result from inappropriate performance of insulators in pollution prone environments. This has been observed quite significantly in the state of Gujarat, which is the one of the most industrially developed states in India. A few years ago, a report on frequent power failures in the Kutchh area due to insulator failure was published1l.ln the present study, ten locations were selected across Gujarat State. In these ten locations, three locations covered industrial zone, two covered desert areas, two locations were in coastal salty zone, one was a nearby cement factory and two were located in agriculture zone. It has been found out that there could be a correlation between the rate of pollution deposit andthe variation in environmental parameters. The study reveals that the polymeric non-ceramic insulators retain their hydrophocity under different pollution levels thereby suggesting their fitness for use under different pollution conditions found in Indian grids.

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