[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.5370/JEET.2013.8.5.969

Automatic Protection Schemes for Distribution System with Open and Closed-loop

Guan, Kang-Le (Dept. of Electrical and Electronic Engineering, Myong-Ji University)
Lee, Seung-Jae (Dept. of Electrical and Electronic Engineering, Myong-Ji University)
Choi, Myeon-Song (Dept. of Electrical and Electronic Engineering, Myong-Ji University)

Publication Information

Journal of Electrical Engineering and Technology / v.8, no.5, 2013 , pp. 969-974 More about this Journal

Abstract

Protection issues in distribution systems which are to be operated in open and closed-loop modes in a smart grid are studied and a generalized protection setting method is proposed to meet the new requirements. The developed setting method assumes a conventional over-current protection scheme for the system with reclosers and over-current relays. In a closed-loop mode, it identifies protective devices that have to be sacrificed in order to maximize protection coordination for bidirectional fault current flow. The proposed setting method has been tested on many systems with different complexity and is proved effective.

Keywords

On-line system analysis; Over-current protection; Closed-loop distribution system;

Citations & Related Records

Reference

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