摘要
针对电气化铁道牵引供电系统存在大量的负序、谐波、无功等问题,提出了一种适用于牵引负载的同相贯通牵引供电系统交直交综合潮流控制器。交直交综合潮流控制器由两电平四重化PWM整流器和4个2H桥级联多电平逆变器组成。潮流控制器能够实现单位功率因数、低谐波含量三相整流,及时传递牵引负载需要的有功功率,使得牵引供电系统呈现出三相对称纯阻性负载特性。Matlab/Simulink下仿真结果,验证了该方案的正确性。
According to the problems of negative sequence,reactive power and harmonic that caused by traction power supply system,the AC/DC/AC topology comprehensive power flow controller used in co-phase continuous traction power supply system is proposed.It is composed of two-level four-multiple PWM rectifiers and four cascaded multilevel inverters.The power flow controller can achieve three-phase rectify in unit power factor and low harmonic content,transfer active power that traction load absorbs timely and make traction supply system be characteristics of three-phase symmetrical pure resistive load.Simulation results of the system under Matlab/Simulink are presented to verify the system＇s feasibility.
出处
《电力系统及其自动化学报》
CSCD
北大核心
2012年第1期54-58,共5页
Proceedings of the CSU-EPSA
基金
"十一五"国家科技支撑计划重点项目(2007BAA12B05)
关键词
电气化铁路
同相贯通供电
潮流控制器
级联多电平
多重化
电能质量
electrified railway
co-phase continuous power supply system
power flow controller
cascaded multilevel
multiple
power quality
