An Asymmetrical Connection Balance Transformer-Based Power Quality Control System for Electrical Railway

被引：0
|
作者：
Wang, Pengcheng [1 ]
Wang, Ziya [1 ]
Li, Yong [1 ]
Liu, Fang [2 ]
An, Bonan [1 ]
Xie, Bin [1 ]
机构：
[1] Hunan Univ, Coll Elect & Informat Engn, Changsha, Hunan, Peoples R China
[2] Cent South Univ, Coll Informat Sci & Engn, Changsha, Hunan, Peoples R China
来源：
2017 IEEE TRANSPORTATION ELECTRIFICATION CONFERENCE AND EXPO, ASIA-PACIFIC (ITEC ASIA-PACIFIC) | 2017年
基金：
中国国家自然科学基金;
关键词：
Asymmetrical connection balance transformer (ABT); negative sequence current (NSC); railway power conditioner (RPC); passive control; power quality;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In view of multifarious power quality problems in the electrical railway power system (ERPS), an asymmetrical connection balance transformer (ABT)-based power quality control system (ABT-PQCS) is presented in this paper. The back-to-back converter which is connected to the system through the step-down transformer can eliminate the negative sequence current (NSC), compensate reactive power at the same time. The passivity based control scheme which is designed by means of the equivalent circuit model of the loads significantly improves the system performance. The simulation results verify the effectiveness of the presented system, and shows that it is very suitable for the ERPS.
引用
收藏
页码：188 / 193
页数：6
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