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Study on AC Artificially Pollution Flashover Performance of Long Porcelain Insulator String

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Abstract:

In this paper,the relationship between 50% ac flashover voltage (U50) of long porcelain insulator string and ρESDD and ρNSDD was analyzed based on experimental results. It was shown that the relationship between U50 and ρESDD is the same as the one between U50 and ρNSDD, in which the U50 reduces with the increase of ρESDD by a power function, and the influences of ρESDD and ρNSDD on U50 are mutually independent. By using the least square method, the value of exponent of a and b were determined.

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Info:

Periodical:

Applied Mechanics and Materials (Volumes 713-715)

Pages:

975-978

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.713-715.975

Citation:

Cite this paper

Online since:

January 2015

Authors:

Yan Shi*, Gang Hu, Yong Chen

Keywords:

Extra High Voltage (EHV), Flashover, Insulator, Least-Square Method (LSM), Pollution

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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References

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