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Cited 37 time in webofscience Cited 49 time in scopus
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Advanced Power Distribution System Configuration for Smart Grid

Authors
Kim, Jae-ChulCho, Sung-MinShin, Hee-Sang
Issue Date
Mar-2013
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
Power distribution system configuration; renewable energy generation; smart distribution; voltage regulation
Citation
IEEE TRANSACTIONS ON SMART GRID, v.4, no.1, pp.353 - 358
Journal Title
IEEE TRANSACTIONS ON SMART GRID
Volume
4
Number
1
Start Page
353
End Page
358
URI
http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/11339
DOI
10.1109/TSG.2012.2233771
ISSN
1949-3053
Abstract
Power distribution systems should meet demands such as high reliability, efficiency, and penetration of renewable energy generators (REGs) in a smart grid. In general, power distribution systems are radial in nature. One-way power flow is the advantage of a radial system. However, the introduction of REGs causes bidirectional power flow. Furthermore, there are limits to improvements in reliability and efficiency in a radial system. Therefore, the upgrading of primary feeders from a radial to a loop configuration has been considered in the Korea Smart Distribution Project. An advanced power distribution system (APDS), in which primary feeders operate in a loop configuration, has been explored in this paper. First, the design scheme of a conventional power distribution system configuration that adopts distribution automation is introduced. Subsequently, an upgrading scheme of loop configuration using normally opened tie switches and a tie switch selection algorithm for loss minimization are described. Finally, the advantages of the upgraded configuration are reported through case studies. It is observed that the APDS configuration can integrate more REGs from the viewpoint of voltage regulation. An advanced distribution system allowing greater use of REGs will be a major contribution to smart grid implementation.
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