Title |
BESS Application to Voltage Compensation of AC Railway System based on 3?/1? BTB Voltage Source Converter |
Authors |
유형준(Yoo, Hyeong-Jun) ; 신승권(Shin, Seungkwon) ; 정호성(Jung, Hosung) ; 김학만(Kim, Hak-Man) |
DOI |
https://doi.org/10.5370/KIEE.2014.63.11.1588 |
Keywords |
3φ/1φ back to back (BTB) voltage source converter (VSC) ; Battery energy storage system (BESS) ; Voltage compensation ; AC railway system |
Abstract |
The scott transformer changes three-phase power to two single-phase power. However, this method causes unbalance and fluctuation of voltage by the change of electric railload. Recently, the AC railway system based on 3φ/1φ back-to-back (BTB) voltage source converter (VSC) has been proposed to solve these problems. Meanwhile, battery energy storage system (BESS) is used to compensate voltage instantaneously in power system. In this paper, BESS application to the AC railway system based on 3φ/1φ BTB VSC is suggested to compensate voltage instantaneously. The application effect is shown through simulation using MATLAB/SIMULINK. |