|Table of Contents|

DC/DC converter for on-board charger of electric vehicles(PDF)


Research Field:
Publishing date:


DC/DC converter for on-board charger of electric vehicles
Tao HaijunQin XidongZheng Zheng
School of Electrical Engineering and Automation,Henan Polytechnic University,Jiaozuo 454000,China
electric vehicles on-board chargers clamping diodes synchronous rectification soft switching
Clamping diodes are introduced to a traditional phase-shifted full-bridge(PSFB)DC/DC converter,and synchronous rectification(SR)technology is adopted on the secondary side of a transformer for the problems of the DC/DC converter of on-board charger for electric vehicles such as the loss of the zero voltage switching(ZVS)range of the lagging bridge,the voltage oscillation and the large conduction loss of the output rectifier. The suppression process of the voltage oscillation of the secondary rectifier of the transformer after adding the clamp diode is analyzed. OR drive logic is used for a synchronous rectifier to reduce the conduction losses of the rectifier. The results of loss calculation for the main circuit show the efficiency of using the soft switching and SR technology is higher than using the hard switching and diode rectification technology by 8%. The simulation and experimental results show that the DC/DC converter suppresses the voltage oscillation of the rectifier on the secondary side of the transformer,realizes soft switching in a wide load range,and has good dynamic performance and anti-interference ability; the efficiency is above 95% for loads above 10% of the rated load.


[1] 陈建新,候建明,王鑫,等. 基于局部信息融合及支持向量回归集成的锂电池健康状态预测[J]. 南京理工大学学报,2018,42(1):48-55.
Chen Jianxin,Hou Jianming,Wang Xin,et al. Prediction for state of health of lithiumion batteries by local information fusion with ensemble support vector regressing[J]. Journal of Nanjing University of Science and Technology,2018,42(1):48-55.
[2]Naseri F,Farjah E,Ghanbari T. An efficient regenerative braking system based on battery/supercapacitor for electric,hybrid,and plug-in hybrid electric vehicles with BLDC motor[J]. IEEE Transactions on Vehicular Technology,2017,66(5):3724-3738.
[3]Chen Zhong,Liu Shasha,Shi Liangchen. A soft switching full bridge converter with reduced parasitic oscillation in a wide load range[J]. IEEE Transactions on Power Electronics,2014,29(2):801-811.
[4]吴其谌,钱挺. 一种谐振电感复用型的定频PWM单向谐振变换器[J]. 电工技术学报,2018,33(18):1-8.
Wu Qichen,Qian Ting. A constant frequency PWM controlled unidirectional resonant converter by reusing resonant inductor[J]. Transactions of China Electrotechnical Society,2018,33(18):1-8.
[5]汪雨,郭育华,程实,等. 基于辅助电流源网络的移相全桥变换器[J]. 电力电子技术,2017,51(5):1-3.
Wang Yu,Guo Yuhua,Cheng Shi,et al. Research on phase-shifted full-bridge converter based on auxiliary current source network[J]. Journal of Power Electronics Technology,2017,51(5):1-3.
[6]Lu Yangjun,Wu Hongfei,Sun Kai,et al. A family of soft-switching DC-DC converters based on a phase-shift-controlled active boost rectifier[J]. IEEE Transactions on Power Electronics,2015,30(2):657-667.
[7]李红梅,张恒果,崔超. 车载充电PWM软开关DC-DC变换器研究综述[J]. 电工技术学报,2017,32(24):59-70.
Li Hongmei,Zhang Hengguo,Cui Chao. Review of PWM soft-switching DC-DC converter for on-board chargers[J]. Transactions of China Electrotechnical Society,2017,32(24):59-70.
[8]Li Siqi,Deng Junjun,Mi C C. Single-stage resonant battery charger with inherent power factor correction for electric vehicles[J]. IEEE Transactions on Vehicular Technology,2013,62(9):4336-4344.
[9]吉莉,王丽芳,廖承林,等. 副边自动切换充电模式的电动汽车无线充电系统设计[J]. 电力系统自动化,2017,41(23):137-142.
Ji Li,Wang Lifang,Liao Chenglin. et al. Design of wireless charging system for electric vehicles with automatic switching of charge mode[J]. Automation of Electric Power Systems,2017,41(23):137-142.
[10]Lee Y,Park S. Electrochemical state-based sinusoidal ripple current charging control[J]. IEEE Transactions on Power Electronics,2015,30(8):4232-4243.
[11]Wang Shunchun,Liu Yihua. A PSO-based fuzzy-controlled searching for the optimal charge pattern of Li-ion batteries[J]. IEEE Transactions on Industrial Electronics,2015,62(5):2983-2993.
[12]邓开元. 大功率移相全桥同步整流电源关键技术的研究[D]. 北京:北京交通大学电气工程学院,2017.
[13]杨海涛. 车载辅助电源DC/DC变换器的研制[D]. 杭州:浙江大学电气工程学院,2014.


Last Update: 2019-06-30