摘要
提出了双向DC-DC变换器在超级电容器充放电过程中的控制方法,能够解决绝大多数需要对超级电容器充放电的场合。在PSCAD/EMTDC电力系统仿真软件中构建超级电容器的充放电电路模型,通过对无补偿时双向控制模型分析,采用PI或者PID补偿环节实现系统的稳定,并进行仿真验证。为减小充电电流脉动,进一步提出对超级电容器进行多重充电的思路,给出仿真结果。仿真系统的稳定和良好的仿真结果说明所提出的方法可行。
The control method of the bi-directional DC-DC converter in charging and discharging process of supercapacitor was proposed in this paper, which was applicable to the vast majority of the supercapacitor charging and discharging occasions. Charging and discharging circuit model of supercapacitor was constructed in the PSCAD/EMTDC power system simulation software. By analyzing the non-compensation bi-directional control model, PI or PID controller was used in the bi-direcUonal DC-DC system to realize the stability of the system. In order to reduce the charging current pulsation, the multiple charges to the supercapacitor were introduced, and also the simulating results were presented. The stable simulating system and the excellent simulation results verify the method is feasible.
出处
《电源技术》
CAS
CSCD
北大核心
2009年第4期269-272,共4页
Chinese Journal of Power Sources
