超级电容器分段充电控制策略研究
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摘要
针对超级电容器单一充电控制方式中充电时间、充电电流和初始充电的控制问题,文章提出了一种超级电容器分段充电控制策略,即分为脉冲充电、恒流充电和恒压充电3个阶段,实现了初始状态为零的超级电容充电控制,缩短了充电时间,避免了充电末期电流过大的隐患。文章阐述了3个阶段的变化趋势和状态切换条件,设计了基于三环控制的控制环路,并研制了超级电容DC/DC变换器充电样机。实验结果表明,该控制策略能够很好地实现超级电容的充电控制。
Aiming at the problems of single charge control, such as charge time, charge current and initial charge, a super capacitor(SC) control strategy based on segmentation charge control strategy was proposed, which including pulse charge, constant current charge and constant voltage charge in three stages. So, based on segmentation charge control, SC charge with zero initial state is realized,the charge time in the charge process is shorten and the hidden danger of excessive current at the end of charge is avoided. Then, the change trend and state switching condition in three stages were described, the control loop of three-loop control was designed and the prototype of the SC DC/DC converter was developed. Finally,the experimental results show that the SC charge can be successfully controlled by this method and the effect is good.
Aiming at the problems of single charge control, such as charge time, charge current and initial charge, a super capacitor(SC) control strategy based on segmentation charge control strategy was proposed, which including pulse charge, constant current charge and constant voltage charge in three stages. So, based on segmentation charge control, SC charge with zero initial state is realized,the charge time in the charge process is shorten and the hidden danger of excessive current at the end of charge is avoided. Then, the change trend and state switching condition in three stages were described, the control loop of three-loop control was designed and the prototype of the SC DC/DC converter was developed. Finally,the experimental results show that the SC charge can be successfully controlled by this method and the effect is good.
引文
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[2]赵军,范晓云,何杜明,等.超级电容有轨电车供电系统研究[J].电力电子技术,2017,51(6):86-88.
[3]张阐娟.超级电容器储能在光伏发电系统中的应用研究[D].武汉:武汉工程大学,2016.
[4]刘荣,童亮,马彬,等.复合电源系统能量管理实验研究[J].实验技术与管理,2018,35(1):80-84.
[5]胡超,张兴,石荣亮,等.独立微电网中基于自适应权重系统的VSG协调控制策略[J].中国电机工程学报,2017,37(2):515-523.
[6]陶梦江,张晓,呼小亮,等.超级电容在风力发电功率调节系统中的应用[J].电气传动,2013,43(11):30-34.
[7]廖川平.超级电容电池[J].化学通报,2014,77(9):865-871.
[8]周进,何志琴,杨睿琬,等.DC/DC变换器Buck电路建模分析与控制研究[J].电测与仪表,2017,54(9):95-100.
[9]于鹏,杨仁刚.串联超级电容组动态分段充电控制策略[J].江西师范大学学报(自然科学版),2016,40(2):120-125.
[10]李楠,任永杰,杨学友.基于超级电容的一种新型供电系统的设计[J].电源技术,2016,40(1):121-123.
[11]苏谢祖,颜钢锋.一种新型恒功率超级电容器快速充电机设计[J].电子技术应用,2010,36(8):73-76.
[12]王琪,孙玉坤,黄永红.应用于脉冲电流负载的复合电源设计[J].浙江大学学报(工学版),2015,49(8):1537-1543.
[13]孟彦京,张商州,陈景文,等.充电方式对超级电容能量效率的影响[J].电子器件,2014,37(1):13-16.
[14]杜永博.超级电容横流充电器[D].北京:北京交通大学,2016.
[15]戎琳,田炜,孙祖勇,等.超级电容有轨电车充电装置系统研究[J].电力电子技术,2017,51(10):71-73.
[16]刘迎,陈燎,盘朝奉,等.充放电效率的超级电容组合容量配置[J].河南科技大学学报(自然科学版), 2015, 36(1):23-27.
[17]荣德生,陈淑涵,李洪珠,等.磁集成Buck变换器在超级电容充电系统中的建模[J].电工电能新技术,2015,34(5):13-17.
[18]余世科,李皓,于博泉,等.基于快速模型预测控制的超级电容城轨充电[J].电子技术应用, 2018, 44(1):129-132.
[19]谭文娟,陈燕东,杨苓,等.光储直流微网能量协调控制方法[J].电源学报,2018,16(3):76-85.
[20]熊泽成,尹强,任晓丹,等.高增益隔离DC/DC变换器的研究[J].电气传动,2017,47(12):39-43.