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http://dx.doi.org/10.5370/KIEE.2012.61.11.1737

Basic Modeling and Analysis for AC Railway System based on BTB Voltage Source Converter  

Yoo, Hyeong-Jun (인천대학교 공대 전기공학과)
Kim, Hak-Man (인천대학교 공대 전기공학과)
Jung, Ho-Sung (한국철도기술연구원)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.61, no.11, 2012 , pp. 1737-1742 More about this Journal
Abstract
The scott transformer is used to supply single-phase power to the AC railway system. Since the scott transformer is a passive facility, it cannot regulate load-side voltage according to load change. Meanwhile, the Voltage Source Converter (VSC) is able to convert the voltage and control active and reactive power. In this paper, the feasibility of a AC railway system based on Back-to-Back (BTB) VSC which is composed of a rectifier, a DC-DC converter, a inverter, has been proposed. A three-phase to single-phase BTB VSC is modeled. The proposed AC railway system based on BTB VSC is tested on Matlab/Simulink.
Keywords
Back-to-Back (BTB) Voltage Source Converter (VSC); AC railway system; Voltage regulation;
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