KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

ISO Journal TitleTrans. Korean. Inst. Elect. Eng.

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Title	Research on Distribution Network Grounding Resistance Reinforcement Method for Reducing Power Outage Caused by Lightning Strike
Authors	신동휘(Dong-Hwi Shin)
DOI	https://doi.org/10.5370/KIEE.2025.74.1.205
Page	pp.205-212
ISSN	1975-8359
Keywords	Earthing rods; Earthing resistance; Transient Earthing impedance; lightning strike; power failure
Abstract	Electrical earthing system is being reinforced to prevent power outage by heavy lightning strike due to increased grounding resistance in 22.9kV-Y distribution network. In order to verify the value of real ground resistance reduction of electrical earthing rods after earthing reinforcement. In terms of electrical characteristics of lightning strike, transient impedance of electrical rod is considered for testing with two types of electrical rodes which contain maximized space related to soil also drilling method is implemented for minimizing soil contact resistance.

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