基于超级电容器储能的配电终端的直流电源研究  

Research on DC power supply of distribution terminal based on super capacitor energy storage

作　　者：张一荻 劳永钊 谢睿 ZHANG Yidi;LAO Yongzhao;XIE Rui(Guangzhou Power Supply Bureau,Guangdong Power Grid Co.,Ltd.,Guangzhou 510620,China)

机构地区：[1]广东电网有限责任公司广州供电局,广东广州510620

出　　处：《电子设计工程》2021年第1期62-67,71,共7页Electronic Design Engineering

基　　金：广东省级科技项目基金(GZJKJXM20170030)。

摘　　要：针对传统技术中采用电直流屏带来的不便,设计了新型的超级电容器储能的配电终端的直流电源,该电源系统中融入了超级电容器,延长了电源使用时间。采用超级电容器进行直流电储能,最终实现直流电源工作的恒定直流限压充电。采用西门子S7300系列PLC控制模块实现直流电源的多种控制,采用峰值电流控制方式的配电终端超级电容充电电路,实现超级电容器工作的稳定性,采用超级电容最小工作电压优化方法,大大提高电源工作的稳定性和可靠性。试验表明,设计的方案与常规技术采用直流屏,储能时间长,有效延长了使用寿命。Aiming at the inconvenience caused by the use of electric DC screens in the traditional technology,a new type of DC power supply for a supercapacitor energy storage power distribution terminal is designed.This power system incorporates a supercapacitor to extend the life of the power supply.By using a super capacitor for DC energy storage,a constant DC voltage⁃limiting charging for DC power supply operation is finally achieved.In this research,Siemens S7300 series PLC control module is used to realize various control of DC power supply.By adopting the peak current control method of the distribution terminal super capacitor charging circuit,the stability of the super capacitor is achieved.Greatly improve the stability and reliability of power supply work.Tests show that the scheme and conventional technology designed in this paper use DC screens,which have a long energy storage time and greatly increase the service life.

关 键 词：直流屏 超级电容器 直流电源 PLC控制模块 峰值电流控制 

分 类 号：TM53[电气工程—电器]