Concept design of superconducting power system applying distributed switching stations for the metropolitan area

Seung Ryul Lee, Jongyul Kim, Jae Young Yoon, Byongjun Lee

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


This paper proposes a future power system having superconducting power cables, transformers and fault current limiters (FCLs). The proposed system is a new concept of superconducting power system (SPS) applying distributed switching stations for metropolitan areas. The SPS utilizes the large-capacity and environment-friendly characteristics of superconducting power equipment. The switching stations supply power load of distribution local areas with electric power. If the SPS is realized, we can resolve some problems in expanding power facility in metropolitan areas where power load is concentrated. In addition, the proposed system can maximize economic, social and environmental benefits. We carried out basic studies on the structure design and technical/economic evaluation of the SPS.

Original languageEnglish
Article number5067165
Pages (from-to)2057-2061
Number of pages5
JournalIEEE Transactions on Applied Superconductivity
Issue number3
Publication statusPublished - 2009 Jun

Bibliographical note

Funding Information:
Superconductivity technologies) program as a part of the frontier project promoted by the Ministry of Education, Science and Technology [9]. Along with the development of superconducting power equipments, there are on-going researches on the power system application of the equipments [10]–[17]. Particularly, a basic study is being carried out for the application of 22.9 kV superconducting cables, 22.9 kV SFCLs, and 154 kV/22.9 kV superconducting transformers to the future power system [16]. In this paper, we proposed a new power system of the SPS applying distributed switching stations, and studied its basic economic and technical issues. It is expected not only to solve the fault current problem and the site problem of electric power equipment in downtown but also to change the paradigm of future power systems.

Funding Information:
Manuscript received August 26, 2008. First published June 05, 2009; current version published July 15, 2009. This research was supported by a grant from the Center for Applied Superconductivity Technology of the 21st Century Frontier R&D Program funded by the Ministry of Education, Science and Technology, Republic of Korea.


  • Power system
  • Superconducting fault current limiter
  • Superconducting power cable
  • Superconducting transformer

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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