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

BTB 전압형 컨버터 기반의 전기철도 급전변전 시스템의 기본 모델링 및 해석

  • 유형준 (인천대학교 공대 전기공학과) ;
  • 김학만 (인천대학교 공대 전기공학과) ;
  • 정호성 (한국철도기술연구원)
  • Received : 2012.09.16
  • Accepted : 2012.10.18
  • Published : 2012.11.01

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

References

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