New Adaptive Reclosing Technique in Unbalanced Distribution System

Hun-Chul Seo
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Hun-Chul Seo: School of IT Engineering, Yonam Institute of Technology, Jinju 52821, Korea

Energies, 2017, vol. 10, issue 7, 1-16

Abstract: The conventional reclosing of a distribution system is performed after a fixed dead time. However, it may lead to the increased outage time due to delayed reclosing. To solve this problem, this paper proposes a new adaptive reclosing scheme. The electrostatic induction is analyzed under at during-fault and post-fault conditions. Based on this analysis, the method to judge the fault clearance using the load current is proposed. The reclosing is adaptively performed after fault clearance. The distribution system and reclosing scheme are modelled by the electromagnetic transient program (EMTP). The various simulations according to the unbalanced ratio and various fault conditions are performed and analyzed. The superiority of the proposed scheme is verified by comparing with the conventional reclosing method.

Keywords: distribution system; electrostatic induction; EMTP; neutral current; reclosing (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (4)

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