Analysis and Application of New Lightning Protection Equipment of Distribution Lines in Shaanxi Province

doi:10.11930/j.issn.1004-9649.201809010

Abstract

Abstract: Based on the operation situation of the lightning arresters commonly used in Shaanxi Province, a lightning arrester with multi-short-gaps is developed, which has excellent ability in extinguishing arc. It is determined through testing that the lightning arrester can act reliably with parameters of 26 in series number, 8 mm in electrode diameter, 1 mm in electrode gap clearance and 45 mm in main gap clearance; and the power frequency wet withstand voltage, the 50% lightning impulse withstand voltage, the volt-second characteristics of lightning impulse and the current cut-down ability all meet the requirements of standard. The newly developed lightning arrester operates well in typical lines in Shaanxi Province with good lightning protection performance.

Key words: lightning protection equipment, continuous current, distribution line, lightning arrester, lightning protection performance

CLC Number:

TM862⁺.1

JU Zeli, LV Xinliang, PU Lu, ZHAO Xuefeng, HOU Zhe, LU Zejun, WU Jun. Analysis and Application of New Lightning Protection Equipment of Distribution Lines in Shaanxi Province[J]. Electric Power, 2019, 52(11): 94-99.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.201809010

https://www.electricpower.com.cn/EN/Y2019/V52/I11/94

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