一种融合于驱动的电动汽车车载充电器
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摘要
基于车载充电器改善了电动汽车对充电桩的数量和分布范围的局限性,提出了利用电动汽车的驱动电路和电机电感,实现电池的整个充电过程。前级单相PWM电压变换器将市电转换成平稳的直流电,减小了电网侧电流谐波,实现功率因数校正;后级DC/DC变换器对电池提供以电压预定值的恒定最大电流充电过程。采用前后级两个双闭环和前馈控制更好地实现电网谐波补偿和负载电流补偿。仿真结果验证了系统的可实现性和算法的有效性。
On-board charger breaks through the limitations of electric vehicles on the number and distribution of charging piles.This paper proposed a charging process of battery that utilizes the driving circuit of electric vehicle and the winding inductance of motor.The front-stage is a single-phase PWM voltage source converter(VSC),an AC supply is converted into a smooth DC power so as to reduce the current harmonics of grid and achieve PFC.In the back-stage,the DC-DC converter provides a maximum current constant voltage charging process of a predetermined value.Double-closed loop control of both front and back stages and feedforward control are adopted to better achieve the harmonic compensation of the power grid and current compensation of the load.The simulation results prove the validity of the proposed algorithm and the feasibility of the system.
On-board charger breaks through the limitations of electric vehicles on the number and distribution of charging piles.This paper proposed a charging process of battery that utilizes the driving circuit of electric vehicle and the winding inductance of motor.The front-stage is a single-phase PWM voltage source converter(VSC),an AC supply is converted into a smooth DC power so as to reduce the current harmonics of grid and achieve PFC.In the back-stage,the DC-DC converter provides a maximum current constant voltage charging process of a predetermined value.Double-closed loop control of both front and back stages and feedforward control are adopted to better achieve the harmonic compensation of the power grid and current compensation of the load.The simulation results prove the validity of the proposed algorithm and the feasibility of the system.
引文
[1]曹秉刚,张传伟,白志峰,等.电动汽车技术进展和发展趋势[J].西安交通大学学报,2004,38(1):1-5.
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[5]LI X,IYER K L V,MNKHERJEC K.Investigation of integrated charging and discharging incorporating interior permanent magnet machine with damper bars for electric vehicles[J].IEEE Trans.on Energy Conversion,2015,62(5):3234-3244.
[6]BAI H,ZHANG Y,SEMANSON C,et al.Modeling,design and optimization of a battery charger for plug-in hybrid electric vehicles[J].IET Electrical Systems in Transportation,2011,1(1):3-10.
[7]SERKAN D,ALIREZA K.A novel low cost integrated on board charger topology for electric vehicles and plug-in hybrid electric vehicles[C]//Twenty-Seventh Annual IEEE Applied Power Electronics Conference and Exposition(APEC).Orlando,Florida,USA:IEEE,2012:2611-2616.
[8]王源卿,李红梅.电动汽车车载充电器PFC AC/DC变换器设计[J].电子技术应用,2015,41(2):152-155.
[9]闫肖梅,郭兴众,王保兴.具有功率因数校正能力的驱动充电一体化拓扑研究[J].重庆理工大学学报(自然科学),2018,32(6):34-40.
[10]KHAN M A,HUSAIN I,SOZER Y.Integrated electric motor drive and power electronics for bidirectional power flow between the electric vehicle and DC or ACgrid[J].IEEE Transactions on Power Electronics,2013,28(12):5774-5783.
[11]KISACIKOGLU M C,OZPINECI B,TOLBERT L M.Examination of a PHEV bidirectional charger system for V2G reactive power compensation[C]//IEEEApplied Power Electronics Conference and Exposition,2010:458-465.
[2]郭向伟,康龙云,张崇超.我国电动汽车产业关键技术现状发展研究[J].电源技术,2018,42(6):915-917.
[3]中国汽车技术研究中心.中国新能源汽车产业发展报告[M].北京:社会科学文献出版社,2017.
[4]刘莹,王辉,漆文龙.电动汽车驱动系统与蓄电池充电一体化混合拓扑研究综述[J].电力自动化设备,2013,33(10):143-149.
[5]LI X,IYER K L V,MNKHERJEC K.Investigation of integrated charging and discharging incorporating interior permanent magnet machine with damper bars for electric vehicles[J].IEEE Trans.on Energy Conversion,2015,62(5):3234-3244.
[6]BAI H,ZHANG Y,SEMANSON C,et al.Modeling,design and optimization of a battery charger for plug-in hybrid electric vehicles[J].IET Electrical Systems in Transportation,2011,1(1):3-10.
[7]SERKAN D,ALIREZA K.A novel low cost integrated on board charger topology for electric vehicles and plug-in hybrid electric vehicles[C]//Twenty-Seventh Annual IEEE Applied Power Electronics Conference and Exposition(APEC).Orlando,Florida,USA:IEEE,2012:2611-2616.
[8]王源卿,李红梅.电动汽车车载充电器PFC AC/DC变换器设计[J].电子技术应用,2015,41(2):152-155.
[9]闫肖梅,郭兴众,王保兴.具有功率因数校正能力的驱动充电一体化拓扑研究[J].重庆理工大学学报(自然科学),2018,32(6):34-40.
[10]KHAN M A,HUSAIN I,SOZER Y.Integrated electric motor drive and power electronics for bidirectional power flow between the electric vehicle and DC or ACgrid[J].IEEE Transactions on Power Electronics,2013,28(12):5774-5783.
[11]KISACIKOGLU M C,OZPINECI B,TOLBERT L M.Examination of a PHEV bidirectional charger system for V2G reactive power compensation[C]//IEEEApplied Power Electronics Conference and Exposition,2010:458-465.
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