摘要
针对地铁列车运行状态变化时引起直流电网电压出现很大波动的现象,设计了一种基于非隔离双向DC/DC变换器的超级电容储能系统。采用电压电流双闭环控制方法,建立储能系统充放电控制策略,并搭建储能系统仿真模型。仿真结果表明:车载超级电容储能系统能够达到稳定电网电压和节能的目的,同时验证了控制策略的正确性。
In view of the great fluctuation in the DC grid voltage resulting from changes of the running state of subway trains, a design has been made of a super capacitor energy storage system based on non-isolated bidirectional DC/DC converter. By using voltage and current dual closed-loop control method, a charging and discharging control strategy of energy storage system is to be established, with a simulation model of energy storage system built as well. The simulation results show that the vehicle supercapacitor energy storage system helps to maintain the stability of the power grid voltage and energy saving, thus verifying the validity of the control strategy.
作者
陈军
邓木生
CHEN Jun, DENG Musheng(College of Electrical and Information Engineering, Hunan University of Technology, Zhuzhou Hunan 412007, China)
出处
《湖南工业大学学报》
2018年第4期28-32,共5页
Journal of Hunan University of Technology
关键词
超级电容
储能系统
DC/DC变换器
双闭环控制
supercapacitor
energy storage system
DC/DC converter
double closed-loop control
