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http://dx.doi.org/10.5370/KIEE.2013.62.4.474

Lightning Overvoltage Analysis According to Interval of Arrester and Overhead Grounding Wire in DC Distribution System  

An, Chun-Yong (Dept. of Electrical Engineering, Wonkwang University)
Lee, Jong-Beom (Dept. of Electrical Engineering, Wonkwang University)
Kim, Yong-Kap (Dept. of Information and Communication Engineering, Wonkwang University)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.62, no.4, 2013 , pp. 474-481 More about this Journal
Abstract
It is anticipated that AC distribution system can be replaced by DC distribution system in the near future because of the operation of various distributed source or microgrid system. However DC distribution system replacing 22.9kV AC distribution line is not sufficiently studied still. This paper describes lightning overvoltage analysis among many research fields should be studied to realize DC overhead distribution systems. DC distribution system is modeled using EMTP and overvoltage is analyzed according to interval of arrestor location, earth interval of overhead grounding wire and grounding resistance. It is evaluated that analysis results can be effectively used to design of future DC distribution system.
Keywords
EMTP; DC distribution system; Lightning surge; Overvoltage;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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