School of Electrical Engineering SouthWest Jiaotong University Chengdu China;
School of Electrical Engineering SouthWest Jiaotong University Chengdu China;
School of Electrical Engineering SouthWest Jiaotong University Chengdu China;
School of Electrical Engineering SouthWest Jiaotong University Chengdu China;
School of Electrical Engineering SouthWest Jiaotong University Chengdu China;
Electrified railway; Co-phase traction power supply system; Energy storage; Peak shaving; Valley filling; Power quality; Super capacitor;