A study on SFCL with IGBT based DC circuit breaker in electric power grid

Sun Ho Bae, Hongrae Kim, Jung Wook Park, Soo Hyoung Lee

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Recently, DC systems are considered as efficient electric power systems for renewable energy based clean power generators. This discloses several critical issues that are required to be considered before the installation of the DC systems. First of all, voltage/current switching stress, which is aggravated by large fault current, might damage DC circuit breakers. This problem can be simply solved by applying a superconducting fault current limiter (SFCL) as proposed in this study. It allows a simple use of insulated-gate bipolar transistors (IGBTs) as a DC circuit breaker. To evaluate the proposed resistive type SFCL application to the DC circuit breaker, a DC distribution system is composed of the practical line impedances from the real distribution system in Do-gok area, Korea. Also, to reflect the distributed generation (DG) effects, several DC-to-DC converters are applied. The locations and sizes of the DGs are optimally selected according to the results of previous studies on DG optimization. The performance of the resistive type SFCL applied DC circuit breaker is verified by a time-domain simulation based case study using the power systems computer aided design/ electromagnetic transients including DC (PSCAD/ EMTDCÒ).

Original languageEnglish
Pages (from-to)1805-1811
Number of pages7
JournalJournal of Electrical Engineering and Technology
Volume12
Issue number5
DOIs
Publication statusPublished - 2017 Sep 1

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Superconducting fault current limiters
Insulated gate bipolar transistors (IGBT)
Electric circuit breakers
Distributed power generation
Electric fault currents
Electric power systems
Computer aided design
Electric potential

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Bae, Sun Ho ; Kim, Hongrae ; Park, Jung Wook ; Lee, Soo Hyoung. / A study on SFCL with IGBT based DC circuit breaker in electric power grid. In: Journal of Electrical Engineering and Technology. 2017 ; Vol. 12, No. 5. pp. 1805-1811.
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A study on SFCL with IGBT based DC circuit breaker in electric power grid. / Bae, Sun Ho; Kim, Hongrae; Park, Jung Wook; Lee, Soo Hyoung.

In: Journal of Electrical Engineering and Technology, Vol. 12, No. 5, 01.09.2017, p. 1805-1811.

Research output: Contribution to journalArticle

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