Study on the Lightning Current Amplitude Distribution in Shenzhen Power Grid

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Abstract:

According to the lightning monitoring data recorded by lightning location system of Guangdong power grid in the past 10 years (from 2003 to 2012), we gain the lightning parameters of Shenzhen power grid and fit the lightning current amplitude distribution curve. The research results show that the fitting expression format of the lightning current amplitude distribution gotten from lightning location system adopted by IEEE is better than that adopted by national power industry regulations. And the lightning current in Shenzhen area ranging from 20kA to 40kA shows obvious packing effect. It’s recommended to take anti-accident measures in the weak sections of mountain areas to improve the shielding failure lightning protection performance.

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94-98

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December 2014

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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